Source file src/cmd/compile/internal/ssa/rewriteARM64.go

     1  // Code generated from _gen/ARM64.rules using 'go generate'; DO NOT EDIT.
     2  
     3  package ssa
     4  
     5  import "cmd/compile/internal/types"
     6  
     7  func rewriteValueARM64(v *Value) bool {
     8  	switch v.Op {
     9  	case OpARM64ADCSflags:
    10  		return rewriteValueARM64_OpARM64ADCSflags(v)
    11  	case OpARM64ADD:
    12  		return rewriteValueARM64_OpARM64ADD(v)
    13  	case OpARM64ADDSflags:
    14  		return rewriteValueARM64_OpARM64ADDSflags(v)
    15  	case OpARM64ADDconst:
    16  		return rewriteValueARM64_OpARM64ADDconst(v)
    17  	case OpARM64ADDshiftLL:
    18  		return rewriteValueARM64_OpARM64ADDshiftLL(v)
    19  	case OpARM64ADDshiftRA:
    20  		return rewriteValueARM64_OpARM64ADDshiftRA(v)
    21  	case OpARM64ADDshiftRL:
    22  		return rewriteValueARM64_OpARM64ADDshiftRL(v)
    23  	case OpARM64AND:
    24  		return rewriteValueARM64_OpARM64AND(v)
    25  	case OpARM64ANDconst:
    26  		return rewriteValueARM64_OpARM64ANDconst(v)
    27  	case OpARM64ANDshiftLL:
    28  		return rewriteValueARM64_OpARM64ANDshiftLL(v)
    29  	case OpARM64ANDshiftRA:
    30  		return rewriteValueARM64_OpARM64ANDshiftRA(v)
    31  	case OpARM64ANDshiftRL:
    32  		return rewriteValueARM64_OpARM64ANDshiftRL(v)
    33  	case OpARM64ANDshiftRO:
    34  		return rewriteValueARM64_OpARM64ANDshiftRO(v)
    35  	case OpARM64BIC:
    36  		return rewriteValueARM64_OpARM64BIC(v)
    37  	case OpARM64BICshiftLL:
    38  		return rewriteValueARM64_OpARM64BICshiftLL(v)
    39  	case OpARM64BICshiftRA:
    40  		return rewriteValueARM64_OpARM64BICshiftRA(v)
    41  	case OpARM64BICshiftRL:
    42  		return rewriteValueARM64_OpARM64BICshiftRL(v)
    43  	case OpARM64BICshiftRO:
    44  		return rewriteValueARM64_OpARM64BICshiftRO(v)
    45  	case OpARM64CMN:
    46  		return rewriteValueARM64_OpARM64CMN(v)
    47  	case OpARM64CMNW:
    48  		return rewriteValueARM64_OpARM64CMNW(v)
    49  	case OpARM64CMNWconst:
    50  		return rewriteValueARM64_OpARM64CMNWconst(v)
    51  	case OpARM64CMNconst:
    52  		return rewriteValueARM64_OpARM64CMNconst(v)
    53  	case OpARM64CMNshiftLL:
    54  		return rewriteValueARM64_OpARM64CMNshiftLL(v)
    55  	case OpARM64CMNshiftRA:
    56  		return rewriteValueARM64_OpARM64CMNshiftRA(v)
    57  	case OpARM64CMNshiftRL:
    58  		return rewriteValueARM64_OpARM64CMNshiftRL(v)
    59  	case OpARM64CMP:
    60  		return rewriteValueARM64_OpARM64CMP(v)
    61  	case OpARM64CMPW:
    62  		return rewriteValueARM64_OpARM64CMPW(v)
    63  	case OpARM64CMPWconst:
    64  		return rewriteValueARM64_OpARM64CMPWconst(v)
    65  	case OpARM64CMPconst:
    66  		return rewriteValueARM64_OpARM64CMPconst(v)
    67  	case OpARM64CMPshiftLL:
    68  		return rewriteValueARM64_OpARM64CMPshiftLL(v)
    69  	case OpARM64CMPshiftRA:
    70  		return rewriteValueARM64_OpARM64CMPshiftRA(v)
    71  	case OpARM64CMPshiftRL:
    72  		return rewriteValueARM64_OpARM64CMPshiftRL(v)
    73  	case OpARM64CSEL:
    74  		return rewriteValueARM64_OpARM64CSEL(v)
    75  	case OpARM64CSEL0:
    76  		return rewriteValueARM64_OpARM64CSEL0(v)
    77  	case OpARM64CSETM:
    78  		return rewriteValueARM64_OpARM64CSETM(v)
    79  	case OpARM64CSINC:
    80  		return rewriteValueARM64_OpARM64CSINC(v)
    81  	case OpARM64CSINV:
    82  		return rewriteValueARM64_OpARM64CSINV(v)
    83  	case OpARM64CSNEG:
    84  		return rewriteValueARM64_OpARM64CSNEG(v)
    85  	case OpARM64DIV:
    86  		return rewriteValueARM64_OpARM64DIV(v)
    87  	case OpARM64DIVW:
    88  		return rewriteValueARM64_OpARM64DIVW(v)
    89  	case OpARM64EON:
    90  		return rewriteValueARM64_OpARM64EON(v)
    91  	case OpARM64EONshiftLL:
    92  		return rewriteValueARM64_OpARM64EONshiftLL(v)
    93  	case OpARM64EONshiftRA:
    94  		return rewriteValueARM64_OpARM64EONshiftRA(v)
    95  	case OpARM64EONshiftRL:
    96  		return rewriteValueARM64_OpARM64EONshiftRL(v)
    97  	case OpARM64EONshiftRO:
    98  		return rewriteValueARM64_OpARM64EONshiftRO(v)
    99  	case OpARM64Equal:
   100  		return rewriteValueARM64_OpARM64Equal(v)
   101  	case OpARM64FADDD:
   102  		return rewriteValueARM64_OpARM64FADDD(v)
   103  	case OpARM64FADDS:
   104  		return rewriteValueARM64_OpARM64FADDS(v)
   105  	case OpARM64FCMPD:
   106  		return rewriteValueARM64_OpARM64FCMPD(v)
   107  	case OpARM64FCMPS:
   108  		return rewriteValueARM64_OpARM64FCMPS(v)
   109  	case OpARM64FMOVDfpgp:
   110  		return rewriteValueARM64_OpARM64FMOVDfpgp(v)
   111  	case OpARM64FMOVDgpfp:
   112  		return rewriteValueARM64_OpARM64FMOVDgpfp(v)
   113  	case OpARM64FMOVDload:
   114  		return rewriteValueARM64_OpARM64FMOVDload(v)
   115  	case OpARM64FMOVDloadidx:
   116  		return rewriteValueARM64_OpARM64FMOVDloadidx(v)
   117  	case OpARM64FMOVDloadidx8:
   118  		return rewriteValueARM64_OpARM64FMOVDloadidx8(v)
   119  	case OpARM64FMOVDstore:
   120  		return rewriteValueARM64_OpARM64FMOVDstore(v)
   121  	case OpARM64FMOVDstoreidx:
   122  		return rewriteValueARM64_OpARM64FMOVDstoreidx(v)
   123  	case OpARM64FMOVDstoreidx8:
   124  		return rewriteValueARM64_OpARM64FMOVDstoreidx8(v)
   125  	case OpARM64FMOVSload:
   126  		return rewriteValueARM64_OpARM64FMOVSload(v)
   127  	case OpARM64FMOVSloadidx:
   128  		return rewriteValueARM64_OpARM64FMOVSloadidx(v)
   129  	case OpARM64FMOVSloadidx4:
   130  		return rewriteValueARM64_OpARM64FMOVSloadidx4(v)
   131  	case OpARM64FMOVSstore:
   132  		return rewriteValueARM64_OpARM64FMOVSstore(v)
   133  	case OpARM64FMOVSstoreidx:
   134  		return rewriteValueARM64_OpARM64FMOVSstoreidx(v)
   135  	case OpARM64FMOVSstoreidx4:
   136  		return rewriteValueARM64_OpARM64FMOVSstoreidx4(v)
   137  	case OpARM64FMULD:
   138  		return rewriteValueARM64_OpARM64FMULD(v)
   139  	case OpARM64FMULS:
   140  		return rewriteValueARM64_OpARM64FMULS(v)
   141  	case OpARM64FNEGD:
   142  		return rewriteValueARM64_OpARM64FNEGD(v)
   143  	case OpARM64FNEGS:
   144  		return rewriteValueARM64_OpARM64FNEGS(v)
   145  	case OpARM64FNMULD:
   146  		return rewriteValueARM64_OpARM64FNMULD(v)
   147  	case OpARM64FNMULS:
   148  		return rewriteValueARM64_OpARM64FNMULS(v)
   149  	case OpARM64FSUBD:
   150  		return rewriteValueARM64_OpARM64FSUBD(v)
   151  	case OpARM64FSUBS:
   152  		return rewriteValueARM64_OpARM64FSUBS(v)
   153  	case OpARM64GreaterEqual:
   154  		return rewriteValueARM64_OpARM64GreaterEqual(v)
   155  	case OpARM64GreaterEqualF:
   156  		return rewriteValueARM64_OpARM64GreaterEqualF(v)
   157  	case OpARM64GreaterEqualNoov:
   158  		return rewriteValueARM64_OpARM64GreaterEqualNoov(v)
   159  	case OpARM64GreaterEqualU:
   160  		return rewriteValueARM64_OpARM64GreaterEqualU(v)
   161  	case OpARM64GreaterThan:
   162  		return rewriteValueARM64_OpARM64GreaterThan(v)
   163  	case OpARM64GreaterThanF:
   164  		return rewriteValueARM64_OpARM64GreaterThanF(v)
   165  	case OpARM64GreaterThanU:
   166  		return rewriteValueARM64_OpARM64GreaterThanU(v)
   167  	case OpARM64LDP:
   168  		return rewriteValueARM64_OpARM64LDP(v)
   169  	case OpARM64LessEqual:
   170  		return rewriteValueARM64_OpARM64LessEqual(v)
   171  	case OpARM64LessEqualF:
   172  		return rewriteValueARM64_OpARM64LessEqualF(v)
   173  	case OpARM64LessEqualU:
   174  		return rewriteValueARM64_OpARM64LessEqualU(v)
   175  	case OpARM64LessThan:
   176  		return rewriteValueARM64_OpARM64LessThan(v)
   177  	case OpARM64LessThanF:
   178  		return rewriteValueARM64_OpARM64LessThanF(v)
   179  	case OpARM64LessThanNoov:
   180  		return rewriteValueARM64_OpARM64LessThanNoov(v)
   181  	case OpARM64LessThanU:
   182  		return rewriteValueARM64_OpARM64LessThanU(v)
   183  	case OpARM64MADD:
   184  		return rewriteValueARM64_OpARM64MADD(v)
   185  	case OpARM64MADDW:
   186  		return rewriteValueARM64_OpARM64MADDW(v)
   187  	case OpARM64MNEG:
   188  		return rewriteValueARM64_OpARM64MNEG(v)
   189  	case OpARM64MNEGW:
   190  		return rewriteValueARM64_OpARM64MNEGW(v)
   191  	case OpARM64MOD:
   192  		return rewriteValueARM64_OpARM64MOD(v)
   193  	case OpARM64MODW:
   194  		return rewriteValueARM64_OpARM64MODW(v)
   195  	case OpARM64MOVBUload:
   196  		return rewriteValueARM64_OpARM64MOVBUload(v)
   197  	case OpARM64MOVBUloadidx:
   198  		return rewriteValueARM64_OpARM64MOVBUloadidx(v)
   199  	case OpARM64MOVBUreg:
   200  		return rewriteValueARM64_OpARM64MOVBUreg(v)
   201  	case OpARM64MOVBload:
   202  		return rewriteValueARM64_OpARM64MOVBload(v)
   203  	case OpARM64MOVBloadidx:
   204  		return rewriteValueARM64_OpARM64MOVBloadidx(v)
   205  	case OpARM64MOVBreg:
   206  		return rewriteValueARM64_OpARM64MOVBreg(v)
   207  	case OpARM64MOVBstore:
   208  		return rewriteValueARM64_OpARM64MOVBstore(v)
   209  	case OpARM64MOVBstoreidx:
   210  		return rewriteValueARM64_OpARM64MOVBstoreidx(v)
   211  	case OpARM64MOVBstorezero:
   212  		return rewriteValueARM64_OpARM64MOVBstorezero(v)
   213  	case OpARM64MOVBstorezeroidx:
   214  		return rewriteValueARM64_OpARM64MOVBstorezeroidx(v)
   215  	case OpARM64MOVDload:
   216  		return rewriteValueARM64_OpARM64MOVDload(v)
   217  	case OpARM64MOVDloadidx:
   218  		return rewriteValueARM64_OpARM64MOVDloadidx(v)
   219  	case OpARM64MOVDloadidx8:
   220  		return rewriteValueARM64_OpARM64MOVDloadidx8(v)
   221  	case OpARM64MOVDnop:
   222  		return rewriteValueARM64_OpARM64MOVDnop(v)
   223  	case OpARM64MOVDreg:
   224  		return rewriteValueARM64_OpARM64MOVDreg(v)
   225  	case OpARM64MOVDstore:
   226  		return rewriteValueARM64_OpARM64MOVDstore(v)
   227  	case OpARM64MOVDstoreidx:
   228  		return rewriteValueARM64_OpARM64MOVDstoreidx(v)
   229  	case OpARM64MOVDstoreidx8:
   230  		return rewriteValueARM64_OpARM64MOVDstoreidx8(v)
   231  	case OpARM64MOVDstorezero:
   232  		return rewriteValueARM64_OpARM64MOVDstorezero(v)
   233  	case OpARM64MOVDstorezeroidx:
   234  		return rewriteValueARM64_OpARM64MOVDstorezeroidx(v)
   235  	case OpARM64MOVDstorezeroidx8:
   236  		return rewriteValueARM64_OpARM64MOVDstorezeroidx8(v)
   237  	case OpARM64MOVHUload:
   238  		return rewriteValueARM64_OpARM64MOVHUload(v)
   239  	case OpARM64MOVHUloadidx:
   240  		return rewriteValueARM64_OpARM64MOVHUloadidx(v)
   241  	case OpARM64MOVHUloadidx2:
   242  		return rewriteValueARM64_OpARM64MOVHUloadidx2(v)
   243  	case OpARM64MOVHUreg:
   244  		return rewriteValueARM64_OpARM64MOVHUreg(v)
   245  	case OpARM64MOVHload:
   246  		return rewriteValueARM64_OpARM64MOVHload(v)
   247  	case OpARM64MOVHloadidx:
   248  		return rewriteValueARM64_OpARM64MOVHloadidx(v)
   249  	case OpARM64MOVHloadidx2:
   250  		return rewriteValueARM64_OpARM64MOVHloadidx2(v)
   251  	case OpARM64MOVHreg:
   252  		return rewriteValueARM64_OpARM64MOVHreg(v)
   253  	case OpARM64MOVHstore:
   254  		return rewriteValueARM64_OpARM64MOVHstore(v)
   255  	case OpARM64MOVHstoreidx:
   256  		return rewriteValueARM64_OpARM64MOVHstoreidx(v)
   257  	case OpARM64MOVHstoreidx2:
   258  		return rewriteValueARM64_OpARM64MOVHstoreidx2(v)
   259  	case OpARM64MOVHstorezero:
   260  		return rewriteValueARM64_OpARM64MOVHstorezero(v)
   261  	case OpARM64MOVHstorezeroidx:
   262  		return rewriteValueARM64_OpARM64MOVHstorezeroidx(v)
   263  	case OpARM64MOVHstorezeroidx2:
   264  		return rewriteValueARM64_OpARM64MOVHstorezeroidx2(v)
   265  	case OpARM64MOVQstorezero:
   266  		return rewriteValueARM64_OpARM64MOVQstorezero(v)
   267  	case OpARM64MOVWUload:
   268  		return rewriteValueARM64_OpARM64MOVWUload(v)
   269  	case OpARM64MOVWUloadidx:
   270  		return rewriteValueARM64_OpARM64MOVWUloadidx(v)
   271  	case OpARM64MOVWUloadidx4:
   272  		return rewriteValueARM64_OpARM64MOVWUloadidx4(v)
   273  	case OpARM64MOVWUreg:
   274  		return rewriteValueARM64_OpARM64MOVWUreg(v)
   275  	case OpARM64MOVWload:
   276  		return rewriteValueARM64_OpARM64MOVWload(v)
   277  	case OpARM64MOVWloadidx:
   278  		return rewriteValueARM64_OpARM64MOVWloadidx(v)
   279  	case OpARM64MOVWloadidx4:
   280  		return rewriteValueARM64_OpARM64MOVWloadidx4(v)
   281  	case OpARM64MOVWreg:
   282  		return rewriteValueARM64_OpARM64MOVWreg(v)
   283  	case OpARM64MOVWstore:
   284  		return rewriteValueARM64_OpARM64MOVWstore(v)
   285  	case OpARM64MOVWstoreidx:
   286  		return rewriteValueARM64_OpARM64MOVWstoreidx(v)
   287  	case OpARM64MOVWstoreidx4:
   288  		return rewriteValueARM64_OpARM64MOVWstoreidx4(v)
   289  	case OpARM64MOVWstorezero:
   290  		return rewriteValueARM64_OpARM64MOVWstorezero(v)
   291  	case OpARM64MOVWstorezeroidx:
   292  		return rewriteValueARM64_OpARM64MOVWstorezeroidx(v)
   293  	case OpARM64MOVWstorezeroidx4:
   294  		return rewriteValueARM64_OpARM64MOVWstorezeroidx4(v)
   295  	case OpARM64MSUB:
   296  		return rewriteValueARM64_OpARM64MSUB(v)
   297  	case OpARM64MSUBW:
   298  		return rewriteValueARM64_OpARM64MSUBW(v)
   299  	case OpARM64MUL:
   300  		return rewriteValueARM64_OpARM64MUL(v)
   301  	case OpARM64MULW:
   302  		return rewriteValueARM64_OpARM64MULW(v)
   303  	case OpARM64MVN:
   304  		return rewriteValueARM64_OpARM64MVN(v)
   305  	case OpARM64MVNshiftLL:
   306  		return rewriteValueARM64_OpARM64MVNshiftLL(v)
   307  	case OpARM64MVNshiftRA:
   308  		return rewriteValueARM64_OpARM64MVNshiftRA(v)
   309  	case OpARM64MVNshiftRL:
   310  		return rewriteValueARM64_OpARM64MVNshiftRL(v)
   311  	case OpARM64MVNshiftRO:
   312  		return rewriteValueARM64_OpARM64MVNshiftRO(v)
   313  	case OpARM64NEG:
   314  		return rewriteValueARM64_OpARM64NEG(v)
   315  	case OpARM64NEGshiftLL:
   316  		return rewriteValueARM64_OpARM64NEGshiftLL(v)
   317  	case OpARM64NEGshiftRA:
   318  		return rewriteValueARM64_OpARM64NEGshiftRA(v)
   319  	case OpARM64NEGshiftRL:
   320  		return rewriteValueARM64_OpARM64NEGshiftRL(v)
   321  	case OpARM64NotEqual:
   322  		return rewriteValueARM64_OpARM64NotEqual(v)
   323  	case OpARM64OR:
   324  		return rewriteValueARM64_OpARM64OR(v)
   325  	case OpARM64ORN:
   326  		return rewriteValueARM64_OpARM64ORN(v)
   327  	case OpARM64ORNshiftLL:
   328  		return rewriteValueARM64_OpARM64ORNshiftLL(v)
   329  	case OpARM64ORNshiftRA:
   330  		return rewriteValueARM64_OpARM64ORNshiftRA(v)
   331  	case OpARM64ORNshiftRL:
   332  		return rewriteValueARM64_OpARM64ORNshiftRL(v)
   333  	case OpARM64ORNshiftRO:
   334  		return rewriteValueARM64_OpARM64ORNshiftRO(v)
   335  	case OpARM64ORconst:
   336  		return rewriteValueARM64_OpARM64ORconst(v)
   337  	case OpARM64ORshiftLL:
   338  		return rewriteValueARM64_OpARM64ORshiftLL(v)
   339  	case OpARM64ORshiftRA:
   340  		return rewriteValueARM64_OpARM64ORshiftRA(v)
   341  	case OpARM64ORshiftRL:
   342  		return rewriteValueARM64_OpARM64ORshiftRL(v)
   343  	case OpARM64ORshiftRO:
   344  		return rewriteValueARM64_OpARM64ORshiftRO(v)
   345  	case OpARM64REV:
   346  		return rewriteValueARM64_OpARM64REV(v)
   347  	case OpARM64REVW:
   348  		return rewriteValueARM64_OpARM64REVW(v)
   349  	case OpARM64ROR:
   350  		return rewriteValueARM64_OpARM64ROR(v)
   351  	case OpARM64RORW:
   352  		return rewriteValueARM64_OpARM64RORW(v)
   353  	case OpARM64SBCSflags:
   354  		return rewriteValueARM64_OpARM64SBCSflags(v)
   355  	case OpARM64SLL:
   356  		return rewriteValueARM64_OpARM64SLL(v)
   357  	case OpARM64SLLconst:
   358  		return rewriteValueARM64_OpARM64SLLconst(v)
   359  	case OpARM64SRA:
   360  		return rewriteValueARM64_OpARM64SRA(v)
   361  	case OpARM64SRAconst:
   362  		return rewriteValueARM64_OpARM64SRAconst(v)
   363  	case OpARM64SRL:
   364  		return rewriteValueARM64_OpARM64SRL(v)
   365  	case OpARM64SRLconst:
   366  		return rewriteValueARM64_OpARM64SRLconst(v)
   367  	case OpARM64STP:
   368  		return rewriteValueARM64_OpARM64STP(v)
   369  	case OpARM64SUB:
   370  		return rewriteValueARM64_OpARM64SUB(v)
   371  	case OpARM64SUBconst:
   372  		return rewriteValueARM64_OpARM64SUBconst(v)
   373  	case OpARM64SUBshiftLL:
   374  		return rewriteValueARM64_OpARM64SUBshiftLL(v)
   375  	case OpARM64SUBshiftRA:
   376  		return rewriteValueARM64_OpARM64SUBshiftRA(v)
   377  	case OpARM64SUBshiftRL:
   378  		return rewriteValueARM64_OpARM64SUBshiftRL(v)
   379  	case OpARM64TST:
   380  		return rewriteValueARM64_OpARM64TST(v)
   381  	case OpARM64TSTW:
   382  		return rewriteValueARM64_OpARM64TSTW(v)
   383  	case OpARM64TSTWconst:
   384  		return rewriteValueARM64_OpARM64TSTWconst(v)
   385  	case OpARM64TSTconst:
   386  		return rewriteValueARM64_OpARM64TSTconst(v)
   387  	case OpARM64TSTshiftLL:
   388  		return rewriteValueARM64_OpARM64TSTshiftLL(v)
   389  	case OpARM64TSTshiftRA:
   390  		return rewriteValueARM64_OpARM64TSTshiftRA(v)
   391  	case OpARM64TSTshiftRL:
   392  		return rewriteValueARM64_OpARM64TSTshiftRL(v)
   393  	case OpARM64TSTshiftRO:
   394  		return rewriteValueARM64_OpARM64TSTshiftRO(v)
   395  	case OpARM64UBFIZ:
   396  		return rewriteValueARM64_OpARM64UBFIZ(v)
   397  	case OpARM64UBFX:
   398  		return rewriteValueARM64_OpARM64UBFX(v)
   399  	case OpARM64UDIV:
   400  		return rewriteValueARM64_OpARM64UDIV(v)
   401  	case OpARM64UDIVW:
   402  		return rewriteValueARM64_OpARM64UDIVW(v)
   403  	case OpARM64UMOD:
   404  		return rewriteValueARM64_OpARM64UMOD(v)
   405  	case OpARM64UMODW:
   406  		return rewriteValueARM64_OpARM64UMODW(v)
   407  	case OpARM64XOR:
   408  		return rewriteValueARM64_OpARM64XOR(v)
   409  	case OpARM64XORconst:
   410  		return rewriteValueARM64_OpARM64XORconst(v)
   411  	case OpARM64XORshiftLL:
   412  		return rewriteValueARM64_OpARM64XORshiftLL(v)
   413  	case OpARM64XORshiftRA:
   414  		return rewriteValueARM64_OpARM64XORshiftRA(v)
   415  	case OpARM64XORshiftRL:
   416  		return rewriteValueARM64_OpARM64XORshiftRL(v)
   417  	case OpARM64XORshiftRO:
   418  		return rewriteValueARM64_OpARM64XORshiftRO(v)
   419  	case OpAbs:
   420  		v.Op = OpARM64FABSD
   421  		return true
   422  	case OpAdd16:
   423  		v.Op = OpARM64ADD
   424  		return true
   425  	case OpAdd32:
   426  		v.Op = OpARM64ADD
   427  		return true
   428  	case OpAdd32F:
   429  		v.Op = OpARM64FADDS
   430  		return true
   431  	case OpAdd64:
   432  		v.Op = OpARM64ADD
   433  		return true
   434  	case OpAdd64F:
   435  		v.Op = OpARM64FADDD
   436  		return true
   437  	case OpAdd8:
   438  		v.Op = OpARM64ADD
   439  		return true
   440  	case OpAddPtr:
   441  		v.Op = OpARM64ADD
   442  		return true
   443  	case OpAddr:
   444  		return rewriteValueARM64_OpAddr(v)
   445  	case OpAnd16:
   446  		v.Op = OpARM64AND
   447  		return true
   448  	case OpAnd32:
   449  		v.Op = OpARM64AND
   450  		return true
   451  	case OpAnd64:
   452  		v.Op = OpARM64AND
   453  		return true
   454  	case OpAnd8:
   455  		v.Op = OpARM64AND
   456  		return true
   457  	case OpAndB:
   458  		v.Op = OpARM64AND
   459  		return true
   460  	case OpAtomicAdd32:
   461  		v.Op = OpARM64LoweredAtomicAdd32
   462  		return true
   463  	case OpAtomicAdd32Variant:
   464  		v.Op = OpARM64LoweredAtomicAdd32Variant
   465  		return true
   466  	case OpAtomicAdd64:
   467  		v.Op = OpARM64LoweredAtomicAdd64
   468  		return true
   469  	case OpAtomicAdd64Variant:
   470  		v.Op = OpARM64LoweredAtomicAdd64Variant
   471  		return true
   472  	case OpAtomicAnd32:
   473  		return rewriteValueARM64_OpAtomicAnd32(v)
   474  	case OpAtomicAnd32Variant:
   475  		return rewriteValueARM64_OpAtomicAnd32Variant(v)
   476  	case OpAtomicAnd8:
   477  		return rewriteValueARM64_OpAtomicAnd8(v)
   478  	case OpAtomicAnd8Variant:
   479  		return rewriteValueARM64_OpAtomicAnd8Variant(v)
   480  	case OpAtomicCompareAndSwap32:
   481  		v.Op = OpARM64LoweredAtomicCas32
   482  		return true
   483  	case OpAtomicCompareAndSwap32Variant:
   484  		v.Op = OpARM64LoweredAtomicCas32Variant
   485  		return true
   486  	case OpAtomicCompareAndSwap64:
   487  		v.Op = OpARM64LoweredAtomicCas64
   488  		return true
   489  	case OpAtomicCompareAndSwap64Variant:
   490  		v.Op = OpARM64LoweredAtomicCas64Variant
   491  		return true
   492  	case OpAtomicExchange32:
   493  		v.Op = OpARM64LoweredAtomicExchange32
   494  		return true
   495  	case OpAtomicExchange32Variant:
   496  		v.Op = OpARM64LoweredAtomicExchange32Variant
   497  		return true
   498  	case OpAtomicExchange64:
   499  		v.Op = OpARM64LoweredAtomicExchange64
   500  		return true
   501  	case OpAtomicExchange64Variant:
   502  		v.Op = OpARM64LoweredAtomicExchange64Variant
   503  		return true
   504  	case OpAtomicLoad32:
   505  		v.Op = OpARM64LDARW
   506  		return true
   507  	case OpAtomicLoad64:
   508  		v.Op = OpARM64LDAR
   509  		return true
   510  	case OpAtomicLoad8:
   511  		v.Op = OpARM64LDARB
   512  		return true
   513  	case OpAtomicLoadPtr:
   514  		v.Op = OpARM64LDAR
   515  		return true
   516  	case OpAtomicOr32:
   517  		return rewriteValueARM64_OpAtomicOr32(v)
   518  	case OpAtomicOr32Variant:
   519  		return rewriteValueARM64_OpAtomicOr32Variant(v)
   520  	case OpAtomicOr8:
   521  		return rewriteValueARM64_OpAtomicOr8(v)
   522  	case OpAtomicOr8Variant:
   523  		return rewriteValueARM64_OpAtomicOr8Variant(v)
   524  	case OpAtomicStore32:
   525  		v.Op = OpARM64STLRW
   526  		return true
   527  	case OpAtomicStore64:
   528  		v.Op = OpARM64STLR
   529  		return true
   530  	case OpAtomicStore8:
   531  		v.Op = OpARM64STLRB
   532  		return true
   533  	case OpAtomicStorePtrNoWB:
   534  		v.Op = OpARM64STLR
   535  		return true
   536  	case OpAvg64u:
   537  		return rewriteValueARM64_OpAvg64u(v)
   538  	case OpBitLen32:
   539  		return rewriteValueARM64_OpBitLen32(v)
   540  	case OpBitLen64:
   541  		return rewriteValueARM64_OpBitLen64(v)
   542  	case OpBitRev16:
   543  		return rewriteValueARM64_OpBitRev16(v)
   544  	case OpBitRev32:
   545  		v.Op = OpARM64RBITW
   546  		return true
   547  	case OpBitRev64:
   548  		v.Op = OpARM64RBIT
   549  		return true
   550  	case OpBitRev8:
   551  		return rewriteValueARM64_OpBitRev8(v)
   552  	case OpBswap16:
   553  		v.Op = OpARM64REV16W
   554  		return true
   555  	case OpBswap32:
   556  		v.Op = OpARM64REVW
   557  		return true
   558  	case OpBswap64:
   559  		v.Op = OpARM64REV
   560  		return true
   561  	case OpCeil:
   562  		v.Op = OpARM64FRINTPD
   563  		return true
   564  	case OpClosureCall:
   565  		v.Op = OpARM64CALLclosure
   566  		return true
   567  	case OpCom16:
   568  		v.Op = OpARM64MVN
   569  		return true
   570  	case OpCom32:
   571  		v.Op = OpARM64MVN
   572  		return true
   573  	case OpCom64:
   574  		v.Op = OpARM64MVN
   575  		return true
   576  	case OpCom8:
   577  		v.Op = OpARM64MVN
   578  		return true
   579  	case OpCondSelect:
   580  		return rewriteValueARM64_OpCondSelect(v)
   581  	case OpConst16:
   582  		return rewriteValueARM64_OpConst16(v)
   583  	case OpConst32:
   584  		return rewriteValueARM64_OpConst32(v)
   585  	case OpConst32F:
   586  		return rewriteValueARM64_OpConst32F(v)
   587  	case OpConst64:
   588  		return rewriteValueARM64_OpConst64(v)
   589  	case OpConst64F:
   590  		return rewriteValueARM64_OpConst64F(v)
   591  	case OpConst8:
   592  		return rewriteValueARM64_OpConst8(v)
   593  	case OpConstBool:
   594  		return rewriteValueARM64_OpConstBool(v)
   595  	case OpConstNil:
   596  		return rewriteValueARM64_OpConstNil(v)
   597  	case OpCtz16:
   598  		return rewriteValueARM64_OpCtz16(v)
   599  	case OpCtz16NonZero:
   600  		v.Op = OpCtz32
   601  		return true
   602  	case OpCtz32:
   603  		return rewriteValueARM64_OpCtz32(v)
   604  	case OpCtz32NonZero:
   605  		v.Op = OpCtz32
   606  		return true
   607  	case OpCtz64:
   608  		return rewriteValueARM64_OpCtz64(v)
   609  	case OpCtz64NonZero:
   610  		v.Op = OpCtz64
   611  		return true
   612  	case OpCtz8:
   613  		return rewriteValueARM64_OpCtz8(v)
   614  	case OpCtz8NonZero:
   615  		v.Op = OpCtz32
   616  		return true
   617  	case OpCvt32Fto32:
   618  		v.Op = OpARM64FCVTZSSW
   619  		return true
   620  	case OpCvt32Fto32U:
   621  		v.Op = OpARM64FCVTZUSW
   622  		return true
   623  	case OpCvt32Fto64:
   624  		v.Op = OpARM64FCVTZSS
   625  		return true
   626  	case OpCvt32Fto64F:
   627  		v.Op = OpARM64FCVTSD
   628  		return true
   629  	case OpCvt32Fto64U:
   630  		v.Op = OpARM64FCVTZUS
   631  		return true
   632  	case OpCvt32Uto32F:
   633  		v.Op = OpARM64UCVTFWS
   634  		return true
   635  	case OpCvt32Uto64F:
   636  		v.Op = OpARM64UCVTFWD
   637  		return true
   638  	case OpCvt32to32F:
   639  		v.Op = OpARM64SCVTFWS
   640  		return true
   641  	case OpCvt32to64F:
   642  		v.Op = OpARM64SCVTFWD
   643  		return true
   644  	case OpCvt64Fto32:
   645  		v.Op = OpARM64FCVTZSDW
   646  		return true
   647  	case OpCvt64Fto32F:
   648  		v.Op = OpARM64FCVTDS
   649  		return true
   650  	case OpCvt64Fto32U:
   651  		v.Op = OpARM64FCVTZUDW
   652  		return true
   653  	case OpCvt64Fto64:
   654  		v.Op = OpARM64FCVTZSD
   655  		return true
   656  	case OpCvt64Fto64U:
   657  		v.Op = OpARM64FCVTZUD
   658  		return true
   659  	case OpCvt64Uto32F:
   660  		v.Op = OpARM64UCVTFS
   661  		return true
   662  	case OpCvt64Uto64F:
   663  		v.Op = OpARM64UCVTFD
   664  		return true
   665  	case OpCvt64to32F:
   666  		v.Op = OpARM64SCVTFS
   667  		return true
   668  	case OpCvt64to64F:
   669  		v.Op = OpARM64SCVTFD
   670  		return true
   671  	case OpCvtBoolToUint8:
   672  		v.Op = OpCopy
   673  		return true
   674  	case OpDiv16:
   675  		return rewriteValueARM64_OpDiv16(v)
   676  	case OpDiv16u:
   677  		return rewriteValueARM64_OpDiv16u(v)
   678  	case OpDiv32:
   679  		return rewriteValueARM64_OpDiv32(v)
   680  	case OpDiv32F:
   681  		v.Op = OpARM64FDIVS
   682  		return true
   683  	case OpDiv32u:
   684  		v.Op = OpARM64UDIVW
   685  		return true
   686  	case OpDiv64:
   687  		return rewriteValueARM64_OpDiv64(v)
   688  	case OpDiv64F:
   689  		v.Op = OpARM64FDIVD
   690  		return true
   691  	case OpDiv64u:
   692  		v.Op = OpARM64UDIV
   693  		return true
   694  	case OpDiv8:
   695  		return rewriteValueARM64_OpDiv8(v)
   696  	case OpDiv8u:
   697  		return rewriteValueARM64_OpDiv8u(v)
   698  	case OpEq16:
   699  		return rewriteValueARM64_OpEq16(v)
   700  	case OpEq32:
   701  		return rewriteValueARM64_OpEq32(v)
   702  	case OpEq32F:
   703  		return rewriteValueARM64_OpEq32F(v)
   704  	case OpEq64:
   705  		return rewriteValueARM64_OpEq64(v)
   706  	case OpEq64F:
   707  		return rewriteValueARM64_OpEq64F(v)
   708  	case OpEq8:
   709  		return rewriteValueARM64_OpEq8(v)
   710  	case OpEqB:
   711  		return rewriteValueARM64_OpEqB(v)
   712  	case OpEqPtr:
   713  		return rewriteValueARM64_OpEqPtr(v)
   714  	case OpFMA:
   715  		return rewriteValueARM64_OpFMA(v)
   716  	case OpFloor:
   717  		v.Op = OpARM64FRINTMD
   718  		return true
   719  	case OpGetCallerPC:
   720  		v.Op = OpARM64LoweredGetCallerPC
   721  		return true
   722  	case OpGetCallerSP:
   723  		v.Op = OpARM64LoweredGetCallerSP
   724  		return true
   725  	case OpGetClosurePtr:
   726  		v.Op = OpARM64LoweredGetClosurePtr
   727  		return true
   728  	case OpHmul32:
   729  		return rewriteValueARM64_OpHmul32(v)
   730  	case OpHmul32u:
   731  		return rewriteValueARM64_OpHmul32u(v)
   732  	case OpHmul64:
   733  		v.Op = OpARM64MULH
   734  		return true
   735  	case OpHmul64u:
   736  		v.Op = OpARM64UMULH
   737  		return true
   738  	case OpInterCall:
   739  		v.Op = OpARM64CALLinter
   740  		return true
   741  	case OpIsInBounds:
   742  		return rewriteValueARM64_OpIsInBounds(v)
   743  	case OpIsNonNil:
   744  		return rewriteValueARM64_OpIsNonNil(v)
   745  	case OpIsSliceInBounds:
   746  		return rewriteValueARM64_OpIsSliceInBounds(v)
   747  	case OpLeq16:
   748  		return rewriteValueARM64_OpLeq16(v)
   749  	case OpLeq16U:
   750  		return rewriteValueARM64_OpLeq16U(v)
   751  	case OpLeq32:
   752  		return rewriteValueARM64_OpLeq32(v)
   753  	case OpLeq32F:
   754  		return rewriteValueARM64_OpLeq32F(v)
   755  	case OpLeq32U:
   756  		return rewriteValueARM64_OpLeq32U(v)
   757  	case OpLeq64:
   758  		return rewriteValueARM64_OpLeq64(v)
   759  	case OpLeq64F:
   760  		return rewriteValueARM64_OpLeq64F(v)
   761  	case OpLeq64U:
   762  		return rewriteValueARM64_OpLeq64U(v)
   763  	case OpLeq8:
   764  		return rewriteValueARM64_OpLeq8(v)
   765  	case OpLeq8U:
   766  		return rewriteValueARM64_OpLeq8U(v)
   767  	case OpLess16:
   768  		return rewriteValueARM64_OpLess16(v)
   769  	case OpLess16U:
   770  		return rewriteValueARM64_OpLess16U(v)
   771  	case OpLess32:
   772  		return rewriteValueARM64_OpLess32(v)
   773  	case OpLess32F:
   774  		return rewriteValueARM64_OpLess32F(v)
   775  	case OpLess32U:
   776  		return rewriteValueARM64_OpLess32U(v)
   777  	case OpLess64:
   778  		return rewriteValueARM64_OpLess64(v)
   779  	case OpLess64F:
   780  		return rewriteValueARM64_OpLess64F(v)
   781  	case OpLess64U:
   782  		return rewriteValueARM64_OpLess64U(v)
   783  	case OpLess8:
   784  		return rewriteValueARM64_OpLess8(v)
   785  	case OpLess8U:
   786  		return rewriteValueARM64_OpLess8U(v)
   787  	case OpLoad:
   788  		return rewriteValueARM64_OpLoad(v)
   789  	case OpLocalAddr:
   790  		return rewriteValueARM64_OpLocalAddr(v)
   791  	case OpLsh16x16:
   792  		return rewriteValueARM64_OpLsh16x16(v)
   793  	case OpLsh16x32:
   794  		return rewriteValueARM64_OpLsh16x32(v)
   795  	case OpLsh16x64:
   796  		return rewriteValueARM64_OpLsh16x64(v)
   797  	case OpLsh16x8:
   798  		return rewriteValueARM64_OpLsh16x8(v)
   799  	case OpLsh32x16:
   800  		return rewriteValueARM64_OpLsh32x16(v)
   801  	case OpLsh32x32:
   802  		return rewriteValueARM64_OpLsh32x32(v)
   803  	case OpLsh32x64:
   804  		return rewriteValueARM64_OpLsh32x64(v)
   805  	case OpLsh32x8:
   806  		return rewriteValueARM64_OpLsh32x8(v)
   807  	case OpLsh64x16:
   808  		return rewriteValueARM64_OpLsh64x16(v)
   809  	case OpLsh64x32:
   810  		return rewriteValueARM64_OpLsh64x32(v)
   811  	case OpLsh64x64:
   812  		return rewriteValueARM64_OpLsh64x64(v)
   813  	case OpLsh64x8:
   814  		return rewriteValueARM64_OpLsh64x8(v)
   815  	case OpLsh8x16:
   816  		return rewriteValueARM64_OpLsh8x16(v)
   817  	case OpLsh8x32:
   818  		return rewriteValueARM64_OpLsh8x32(v)
   819  	case OpLsh8x64:
   820  		return rewriteValueARM64_OpLsh8x64(v)
   821  	case OpLsh8x8:
   822  		return rewriteValueARM64_OpLsh8x8(v)
   823  	case OpMax32F:
   824  		v.Op = OpARM64FMAXS
   825  		return true
   826  	case OpMax64F:
   827  		v.Op = OpARM64FMAXD
   828  		return true
   829  	case OpMin32F:
   830  		v.Op = OpARM64FMINS
   831  		return true
   832  	case OpMin64F:
   833  		v.Op = OpARM64FMIND
   834  		return true
   835  	case OpMod16:
   836  		return rewriteValueARM64_OpMod16(v)
   837  	case OpMod16u:
   838  		return rewriteValueARM64_OpMod16u(v)
   839  	case OpMod32:
   840  		return rewriteValueARM64_OpMod32(v)
   841  	case OpMod32u:
   842  		v.Op = OpARM64UMODW
   843  		return true
   844  	case OpMod64:
   845  		return rewriteValueARM64_OpMod64(v)
   846  	case OpMod64u:
   847  		v.Op = OpARM64UMOD
   848  		return true
   849  	case OpMod8:
   850  		return rewriteValueARM64_OpMod8(v)
   851  	case OpMod8u:
   852  		return rewriteValueARM64_OpMod8u(v)
   853  	case OpMove:
   854  		return rewriteValueARM64_OpMove(v)
   855  	case OpMul16:
   856  		v.Op = OpARM64MULW
   857  		return true
   858  	case OpMul32:
   859  		v.Op = OpARM64MULW
   860  		return true
   861  	case OpMul32F:
   862  		v.Op = OpARM64FMULS
   863  		return true
   864  	case OpMul64:
   865  		v.Op = OpARM64MUL
   866  		return true
   867  	case OpMul64F:
   868  		v.Op = OpARM64FMULD
   869  		return true
   870  	case OpMul8:
   871  		v.Op = OpARM64MULW
   872  		return true
   873  	case OpNeg16:
   874  		v.Op = OpARM64NEG
   875  		return true
   876  	case OpNeg32:
   877  		v.Op = OpARM64NEG
   878  		return true
   879  	case OpNeg32F:
   880  		v.Op = OpARM64FNEGS
   881  		return true
   882  	case OpNeg64:
   883  		v.Op = OpARM64NEG
   884  		return true
   885  	case OpNeg64F:
   886  		v.Op = OpARM64FNEGD
   887  		return true
   888  	case OpNeg8:
   889  		v.Op = OpARM64NEG
   890  		return true
   891  	case OpNeq16:
   892  		return rewriteValueARM64_OpNeq16(v)
   893  	case OpNeq32:
   894  		return rewriteValueARM64_OpNeq32(v)
   895  	case OpNeq32F:
   896  		return rewriteValueARM64_OpNeq32F(v)
   897  	case OpNeq64:
   898  		return rewriteValueARM64_OpNeq64(v)
   899  	case OpNeq64F:
   900  		return rewriteValueARM64_OpNeq64F(v)
   901  	case OpNeq8:
   902  		return rewriteValueARM64_OpNeq8(v)
   903  	case OpNeqB:
   904  		v.Op = OpARM64XOR
   905  		return true
   906  	case OpNeqPtr:
   907  		return rewriteValueARM64_OpNeqPtr(v)
   908  	case OpNilCheck:
   909  		v.Op = OpARM64LoweredNilCheck
   910  		return true
   911  	case OpNot:
   912  		return rewriteValueARM64_OpNot(v)
   913  	case OpOffPtr:
   914  		return rewriteValueARM64_OpOffPtr(v)
   915  	case OpOr16:
   916  		v.Op = OpARM64OR
   917  		return true
   918  	case OpOr32:
   919  		v.Op = OpARM64OR
   920  		return true
   921  	case OpOr64:
   922  		v.Op = OpARM64OR
   923  		return true
   924  	case OpOr8:
   925  		v.Op = OpARM64OR
   926  		return true
   927  	case OpOrB:
   928  		v.Op = OpARM64OR
   929  		return true
   930  	case OpPanicBounds:
   931  		return rewriteValueARM64_OpPanicBounds(v)
   932  	case OpPopCount16:
   933  		return rewriteValueARM64_OpPopCount16(v)
   934  	case OpPopCount32:
   935  		return rewriteValueARM64_OpPopCount32(v)
   936  	case OpPopCount64:
   937  		return rewriteValueARM64_OpPopCount64(v)
   938  	case OpPrefetchCache:
   939  		return rewriteValueARM64_OpPrefetchCache(v)
   940  	case OpPrefetchCacheStreamed:
   941  		return rewriteValueARM64_OpPrefetchCacheStreamed(v)
   942  	case OpPubBarrier:
   943  		return rewriteValueARM64_OpPubBarrier(v)
   944  	case OpRotateLeft16:
   945  		return rewriteValueARM64_OpRotateLeft16(v)
   946  	case OpRotateLeft32:
   947  		return rewriteValueARM64_OpRotateLeft32(v)
   948  	case OpRotateLeft64:
   949  		return rewriteValueARM64_OpRotateLeft64(v)
   950  	case OpRotateLeft8:
   951  		return rewriteValueARM64_OpRotateLeft8(v)
   952  	case OpRound:
   953  		v.Op = OpARM64FRINTAD
   954  		return true
   955  	case OpRound32F:
   956  		v.Op = OpARM64LoweredRound32F
   957  		return true
   958  	case OpRound64F:
   959  		v.Op = OpARM64LoweredRound64F
   960  		return true
   961  	case OpRoundToEven:
   962  		v.Op = OpARM64FRINTND
   963  		return true
   964  	case OpRsh16Ux16:
   965  		return rewriteValueARM64_OpRsh16Ux16(v)
   966  	case OpRsh16Ux32:
   967  		return rewriteValueARM64_OpRsh16Ux32(v)
   968  	case OpRsh16Ux64:
   969  		return rewriteValueARM64_OpRsh16Ux64(v)
   970  	case OpRsh16Ux8:
   971  		return rewriteValueARM64_OpRsh16Ux8(v)
   972  	case OpRsh16x16:
   973  		return rewriteValueARM64_OpRsh16x16(v)
   974  	case OpRsh16x32:
   975  		return rewriteValueARM64_OpRsh16x32(v)
   976  	case OpRsh16x64:
   977  		return rewriteValueARM64_OpRsh16x64(v)
   978  	case OpRsh16x8:
   979  		return rewriteValueARM64_OpRsh16x8(v)
   980  	case OpRsh32Ux16:
   981  		return rewriteValueARM64_OpRsh32Ux16(v)
   982  	case OpRsh32Ux32:
   983  		return rewriteValueARM64_OpRsh32Ux32(v)
   984  	case OpRsh32Ux64:
   985  		return rewriteValueARM64_OpRsh32Ux64(v)
   986  	case OpRsh32Ux8:
   987  		return rewriteValueARM64_OpRsh32Ux8(v)
   988  	case OpRsh32x16:
   989  		return rewriteValueARM64_OpRsh32x16(v)
   990  	case OpRsh32x32:
   991  		return rewriteValueARM64_OpRsh32x32(v)
   992  	case OpRsh32x64:
   993  		return rewriteValueARM64_OpRsh32x64(v)
   994  	case OpRsh32x8:
   995  		return rewriteValueARM64_OpRsh32x8(v)
   996  	case OpRsh64Ux16:
   997  		return rewriteValueARM64_OpRsh64Ux16(v)
   998  	case OpRsh64Ux32:
   999  		return rewriteValueARM64_OpRsh64Ux32(v)
  1000  	case OpRsh64Ux64:
  1001  		return rewriteValueARM64_OpRsh64Ux64(v)
  1002  	case OpRsh64Ux8:
  1003  		return rewriteValueARM64_OpRsh64Ux8(v)
  1004  	case OpRsh64x16:
  1005  		return rewriteValueARM64_OpRsh64x16(v)
  1006  	case OpRsh64x32:
  1007  		return rewriteValueARM64_OpRsh64x32(v)
  1008  	case OpRsh64x64:
  1009  		return rewriteValueARM64_OpRsh64x64(v)
  1010  	case OpRsh64x8:
  1011  		return rewriteValueARM64_OpRsh64x8(v)
  1012  	case OpRsh8Ux16:
  1013  		return rewriteValueARM64_OpRsh8Ux16(v)
  1014  	case OpRsh8Ux32:
  1015  		return rewriteValueARM64_OpRsh8Ux32(v)
  1016  	case OpRsh8Ux64:
  1017  		return rewriteValueARM64_OpRsh8Ux64(v)
  1018  	case OpRsh8Ux8:
  1019  		return rewriteValueARM64_OpRsh8Ux8(v)
  1020  	case OpRsh8x16:
  1021  		return rewriteValueARM64_OpRsh8x16(v)
  1022  	case OpRsh8x32:
  1023  		return rewriteValueARM64_OpRsh8x32(v)
  1024  	case OpRsh8x64:
  1025  		return rewriteValueARM64_OpRsh8x64(v)
  1026  	case OpRsh8x8:
  1027  		return rewriteValueARM64_OpRsh8x8(v)
  1028  	case OpSelect0:
  1029  		return rewriteValueARM64_OpSelect0(v)
  1030  	case OpSelect1:
  1031  		return rewriteValueARM64_OpSelect1(v)
  1032  	case OpSelectN:
  1033  		return rewriteValueARM64_OpSelectN(v)
  1034  	case OpSignExt16to32:
  1035  		v.Op = OpARM64MOVHreg
  1036  		return true
  1037  	case OpSignExt16to64:
  1038  		v.Op = OpARM64MOVHreg
  1039  		return true
  1040  	case OpSignExt32to64:
  1041  		v.Op = OpARM64MOVWreg
  1042  		return true
  1043  	case OpSignExt8to16:
  1044  		v.Op = OpARM64MOVBreg
  1045  		return true
  1046  	case OpSignExt8to32:
  1047  		v.Op = OpARM64MOVBreg
  1048  		return true
  1049  	case OpSignExt8to64:
  1050  		v.Op = OpARM64MOVBreg
  1051  		return true
  1052  	case OpSlicemask:
  1053  		return rewriteValueARM64_OpSlicemask(v)
  1054  	case OpSqrt:
  1055  		v.Op = OpARM64FSQRTD
  1056  		return true
  1057  	case OpSqrt32:
  1058  		v.Op = OpARM64FSQRTS
  1059  		return true
  1060  	case OpStaticCall:
  1061  		v.Op = OpARM64CALLstatic
  1062  		return true
  1063  	case OpStore:
  1064  		return rewriteValueARM64_OpStore(v)
  1065  	case OpSub16:
  1066  		v.Op = OpARM64SUB
  1067  		return true
  1068  	case OpSub32:
  1069  		v.Op = OpARM64SUB
  1070  		return true
  1071  	case OpSub32F:
  1072  		v.Op = OpARM64FSUBS
  1073  		return true
  1074  	case OpSub64:
  1075  		v.Op = OpARM64SUB
  1076  		return true
  1077  	case OpSub64F:
  1078  		v.Op = OpARM64FSUBD
  1079  		return true
  1080  	case OpSub8:
  1081  		v.Op = OpARM64SUB
  1082  		return true
  1083  	case OpSubPtr:
  1084  		v.Op = OpARM64SUB
  1085  		return true
  1086  	case OpTailCall:
  1087  		v.Op = OpARM64CALLtail
  1088  		return true
  1089  	case OpTrunc:
  1090  		v.Op = OpARM64FRINTZD
  1091  		return true
  1092  	case OpTrunc16to8:
  1093  		v.Op = OpCopy
  1094  		return true
  1095  	case OpTrunc32to16:
  1096  		v.Op = OpCopy
  1097  		return true
  1098  	case OpTrunc32to8:
  1099  		v.Op = OpCopy
  1100  		return true
  1101  	case OpTrunc64to16:
  1102  		v.Op = OpCopy
  1103  		return true
  1104  	case OpTrunc64to32:
  1105  		v.Op = OpCopy
  1106  		return true
  1107  	case OpTrunc64to8:
  1108  		v.Op = OpCopy
  1109  		return true
  1110  	case OpWB:
  1111  		v.Op = OpARM64LoweredWB
  1112  		return true
  1113  	case OpXor16:
  1114  		v.Op = OpARM64XOR
  1115  		return true
  1116  	case OpXor32:
  1117  		v.Op = OpARM64XOR
  1118  		return true
  1119  	case OpXor64:
  1120  		v.Op = OpARM64XOR
  1121  		return true
  1122  	case OpXor8:
  1123  		v.Op = OpARM64XOR
  1124  		return true
  1125  	case OpZero:
  1126  		return rewriteValueARM64_OpZero(v)
  1127  	case OpZeroExt16to32:
  1128  		v.Op = OpARM64MOVHUreg
  1129  		return true
  1130  	case OpZeroExt16to64:
  1131  		v.Op = OpARM64MOVHUreg
  1132  		return true
  1133  	case OpZeroExt32to64:
  1134  		v.Op = OpARM64MOVWUreg
  1135  		return true
  1136  	case OpZeroExt8to16:
  1137  		v.Op = OpARM64MOVBUreg
  1138  		return true
  1139  	case OpZeroExt8to32:
  1140  		v.Op = OpARM64MOVBUreg
  1141  		return true
  1142  	case OpZeroExt8to64:
  1143  		v.Op = OpARM64MOVBUreg
  1144  		return true
  1145  	}
  1146  	return false
  1147  }
  1148  func rewriteValueARM64_OpARM64ADCSflags(v *Value) bool {
  1149  	v_2 := v.Args[2]
  1150  	v_1 := v.Args[1]
  1151  	v_0 := v.Args[0]
  1152  	b := v.Block
  1153  	typ := &b.Func.Config.Types
  1154  	// match: (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] (ADCzerocarry <typ.UInt64> c))))
  1155  	// result: (ADCSflags x y c)
  1156  	for {
  1157  		x := v_0
  1158  		y := v_1
  1159  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
  1160  			break
  1161  		}
  1162  		v_2_0 := v_2.Args[0]
  1163  		if v_2_0.Op != OpARM64ADDSconstflags || auxIntToInt64(v_2_0.AuxInt) != -1 {
  1164  			break
  1165  		}
  1166  		v_2_0_0 := v_2_0.Args[0]
  1167  		if v_2_0_0.Op != OpARM64ADCzerocarry || v_2_0_0.Type != typ.UInt64 {
  1168  			break
  1169  		}
  1170  		c := v_2_0_0.Args[0]
  1171  		v.reset(OpARM64ADCSflags)
  1172  		v.AddArg3(x, y, c)
  1173  		return true
  1174  	}
  1175  	// match: (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] (MOVDconst [0]))))
  1176  	// result: (ADDSflags x y)
  1177  	for {
  1178  		x := v_0
  1179  		y := v_1
  1180  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
  1181  			break
  1182  		}
  1183  		v_2_0 := v_2.Args[0]
  1184  		if v_2_0.Op != OpARM64ADDSconstflags || auxIntToInt64(v_2_0.AuxInt) != -1 {
  1185  			break
  1186  		}
  1187  		v_2_0_0 := v_2_0.Args[0]
  1188  		if v_2_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_2_0_0.AuxInt) != 0 {
  1189  			break
  1190  		}
  1191  		v.reset(OpARM64ADDSflags)
  1192  		v.AddArg2(x, y)
  1193  		return true
  1194  	}
  1195  	return false
  1196  }
  1197  func rewriteValueARM64_OpARM64ADD(v *Value) bool {
  1198  	v_1 := v.Args[1]
  1199  	v_0 := v.Args[0]
  1200  	// match: (ADD x (MOVDconst <t> [c]))
  1201  	// cond: !t.IsPtr()
  1202  	// result: (ADDconst [c] x)
  1203  	for {
  1204  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1205  			x := v_0
  1206  			if v_1.Op != OpARM64MOVDconst {
  1207  				continue
  1208  			}
  1209  			t := v_1.Type
  1210  			c := auxIntToInt64(v_1.AuxInt)
  1211  			if !(!t.IsPtr()) {
  1212  				continue
  1213  			}
  1214  			v.reset(OpARM64ADDconst)
  1215  			v.AuxInt = int64ToAuxInt(c)
  1216  			v.AddArg(x)
  1217  			return true
  1218  		}
  1219  		break
  1220  	}
  1221  	// match: (ADD a l:(MUL x y))
  1222  	// cond: l.Uses==1 && clobber(l)
  1223  	// result: (MADD a x y)
  1224  	for {
  1225  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1226  			a := v_0
  1227  			l := v_1
  1228  			if l.Op != OpARM64MUL {
  1229  				continue
  1230  			}
  1231  			y := l.Args[1]
  1232  			x := l.Args[0]
  1233  			if !(l.Uses == 1 && clobber(l)) {
  1234  				continue
  1235  			}
  1236  			v.reset(OpARM64MADD)
  1237  			v.AddArg3(a, x, y)
  1238  			return true
  1239  		}
  1240  		break
  1241  	}
  1242  	// match: (ADD a l:(MNEG x y))
  1243  	// cond: l.Uses==1 && clobber(l)
  1244  	// result: (MSUB a x y)
  1245  	for {
  1246  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1247  			a := v_0
  1248  			l := v_1
  1249  			if l.Op != OpARM64MNEG {
  1250  				continue
  1251  			}
  1252  			y := l.Args[1]
  1253  			x := l.Args[0]
  1254  			if !(l.Uses == 1 && clobber(l)) {
  1255  				continue
  1256  			}
  1257  			v.reset(OpARM64MSUB)
  1258  			v.AddArg3(a, x, y)
  1259  			return true
  1260  		}
  1261  		break
  1262  	}
  1263  	// match: (ADD a l:(MULW x y))
  1264  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
  1265  	// result: (MADDW a x y)
  1266  	for {
  1267  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1268  			a := v_0
  1269  			l := v_1
  1270  			if l.Op != OpARM64MULW {
  1271  				continue
  1272  			}
  1273  			y := l.Args[1]
  1274  			x := l.Args[0]
  1275  			if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
  1276  				continue
  1277  			}
  1278  			v.reset(OpARM64MADDW)
  1279  			v.AddArg3(a, x, y)
  1280  			return true
  1281  		}
  1282  		break
  1283  	}
  1284  	// match: (ADD a l:(MNEGW x y))
  1285  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
  1286  	// result: (MSUBW a x y)
  1287  	for {
  1288  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1289  			a := v_0
  1290  			l := v_1
  1291  			if l.Op != OpARM64MNEGW {
  1292  				continue
  1293  			}
  1294  			y := l.Args[1]
  1295  			x := l.Args[0]
  1296  			if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
  1297  				continue
  1298  			}
  1299  			v.reset(OpARM64MSUBW)
  1300  			v.AddArg3(a, x, y)
  1301  			return true
  1302  		}
  1303  		break
  1304  	}
  1305  	// match: (ADD x (NEG y))
  1306  	// result: (SUB x y)
  1307  	for {
  1308  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1309  			x := v_0
  1310  			if v_1.Op != OpARM64NEG {
  1311  				continue
  1312  			}
  1313  			y := v_1.Args[0]
  1314  			v.reset(OpARM64SUB)
  1315  			v.AddArg2(x, y)
  1316  			return true
  1317  		}
  1318  		break
  1319  	}
  1320  	// match: (ADD x0 x1:(SLLconst [c] y))
  1321  	// cond: clobberIfDead(x1)
  1322  	// result: (ADDshiftLL x0 y [c])
  1323  	for {
  1324  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1325  			x0 := v_0
  1326  			x1 := v_1
  1327  			if x1.Op != OpARM64SLLconst {
  1328  				continue
  1329  			}
  1330  			c := auxIntToInt64(x1.AuxInt)
  1331  			y := x1.Args[0]
  1332  			if !(clobberIfDead(x1)) {
  1333  				continue
  1334  			}
  1335  			v.reset(OpARM64ADDshiftLL)
  1336  			v.AuxInt = int64ToAuxInt(c)
  1337  			v.AddArg2(x0, y)
  1338  			return true
  1339  		}
  1340  		break
  1341  	}
  1342  	// match: (ADD x0 x1:(SRLconst [c] y))
  1343  	// cond: clobberIfDead(x1)
  1344  	// result: (ADDshiftRL x0 y [c])
  1345  	for {
  1346  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1347  			x0 := v_0
  1348  			x1 := v_1
  1349  			if x1.Op != OpARM64SRLconst {
  1350  				continue
  1351  			}
  1352  			c := auxIntToInt64(x1.AuxInt)
  1353  			y := x1.Args[0]
  1354  			if !(clobberIfDead(x1)) {
  1355  				continue
  1356  			}
  1357  			v.reset(OpARM64ADDshiftRL)
  1358  			v.AuxInt = int64ToAuxInt(c)
  1359  			v.AddArg2(x0, y)
  1360  			return true
  1361  		}
  1362  		break
  1363  	}
  1364  	// match: (ADD x0 x1:(SRAconst [c] y))
  1365  	// cond: clobberIfDead(x1)
  1366  	// result: (ADDshiftRA x0 y [c])
  1367  	for {
  1368  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1369  			x0 := v_0
  1370  			x1 := v_1
  1371  			if x1.Op != OpARM64SRAconst {
  1372  				continue
  1373  			}
  1374  			c := auxIntToInt64(x1.AuxInt)
  1375  			y := x1.Args[0]
  1376  			if !(clobberIfDead(x1)) {
  1377  				continue
  1378  			}
  1379  			v.reset(OpARM64ADDshiftRA)
  1380  			v.AuxInt = int64ToAuxInt(c)
  1381  			v.AddArg2(x0, y)
  1382  			return true
  1383  		}
  1384  		break
  1385  	}
  1386  	return false
  1387  }
  1388  func rewriteValueARM64_OpARM64ADDSflags(v *Value) bool {
  1389  	v_1 := v.Args[1]
  1390  	v_0 := v.Args[0]
  1391  	// match: (ADDSflags x (MOVDconst [c]))
  1392  	// result: (ADDSconstflags [c] x)
  1393  	for {
  1394  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1395  			x := v_0
  1396  			if v_1.Op != OpARM64MOVDconst {
  1397  				continue
  1398  			}
  1399  			c := auxIntToInt64(v_1.AuxInt)
  1400  			v.reset(OpARM64ADDSconstflags)
  1401  			v.AuxInt = int64ToAuxInt(c)
  1402  			v.AddArg(x)
  1403  			return true
  1404  		}
  1405  		break
  1406  	}
  1407  	return false
  1408  }
  1409  func rewriteValueARM64_OpARM64ADDconst(v *Value) bool {
  1410  	v_0 := v.Args[0]
  1411  	// match: (ADDconst [off1] (MOVDaddr [off2] {sym} ptr))
  1412  	// cond: is32Bit(off1+int64(off2))
  1413  	// result: (MOVDaddr [int32(off1)+off2] {sym} ptr)
  1414  	for {
  1415  		off1 := auxIntToInt64(v.AuxInt)
  1416  		if v_0.Op != OpARM64MOVDaddr {
  1417  			break
  1418  		}
  1419  		off2 := auxIntToInt32(v_0.AuxInt)
  1420  		sym := auxToSym(v_0.Aux)
  1421  		ptr := v_0.Args[0]
  1422  		if !(is32Bit(off1 + int64(off2))) {
  1423  			break
  1424  		}
  1425  		v.reset(OpARM64MOVDaddr)
  1426  		v.AuxInt = int32ToAuxInt(int32(off1) + off2)
  1427  		v.Aux = symToAux(sym)
  1428  		v.AddArg(ptr)
  1429  		return true
  1430  	}
  1431  	// match: (ADDconst [c] y)
  1432  	// cond: c < 0
  1433  	// result: (SUBconst [-c] y)
  1434  	for {
  1435  		c := auxIntToInt64(v.AuxInt)
  1436  		y := v_0
  1437  		if !(c < 0) {
  1438  			break
  1439  		}
  1440  		v.reset(OpARM64SUBconst)
  1441  		v.AuxInt = int64ToAuxInt(-c)
  1442  		v.AddArg(y)
  1443  		return true
  1444  	}
  1445  	// match: (ADDconst [0] x)
  1446  	// result: x
  1447  	for {
  1448  		if auxIntToInt64(v.AuxInt) != 0 {
  1449  			break
  1450  		}
  1451  		x := v_0
  1452  		v.copyOf(x)
  1453  		return true
  1454  	}
  1455  	// match: (ADDconst [c] (MOVDconst [d]))
  1456  	// result: (MOVDconst [c+d])
  1457  	for {
  1458  		c := auxIntToInt64(v.AuxInt)
  1459  		if v_0.Op != OpARM64MOVDconst {
  1460  			break
  1461  		}
  1462  		d := auxIntToInt64(v_0.AuxInt)
  1463  		v.reset(OpARM64MOVDconst)
  1464  		v.AuxInt = int64ToAuxInt(c + d)
  1465  		return true
  1466  	}
  1467  	// match: (ADDconst [c] (ADDconst [d] x))
  1468  	// result: (ADDconst [c+d] x)
  1469  	for {
  1470  		c := auxIntToInt64(v.AuxInt)
  1471  		if v_0.Op != OpARM64ADDconst {
  1472  			break
  1473  		}
  1474  		d := auxIntToInt64(v_0.AuxInt)
  1475  		x := v_0.Args[0]
  1476  		v.reset(OpARM64ADDconst)
  1477  		v.AuxInt = int64ToAuxInt(c + d)
  1478  		v.AddArg(x)
  1479  		return true
  1480  	}
  1481  	// match: (ADDconst [c] (SUBconst [d] x))
  1482  	// result: (ADDconst [c-d] x)
  1483  	for {
  1484  		c := auxIntToInt64(v.AuxInt)
  1485  		if v_0.Op != OpARM64SUBconst {
  1486  			break
  1487  		}
  1488  		d := auxIntToInt64(v_0.AuxInt)
  1489  		x := v_0.Args[0]
  1490  		v.reset(OpARM64ADDconst)
  1491  		v.AuxInt = int64ToAuxInt(c - d)
  1492  		v.AddArg(x)
  1493  		return true
  1494  	}
  1495  	return false
  1496  }
  1497  func rewriteValueARM64_OpARM64ADDshiftLL(v *Value) bool {
  1498  	v_1 := v.Args[1]
  1499  	v_0 := v.Args[0]
  1500  	b := v.Block
  1501  	typ := &b.Func.Config.Types
  1502  	// match: (ADDshiftLL (MOVDconst [c]) x [d])
  1503  	// result: (ADDconst [c] (SLLconst <x.Type> x [d]))
  1504  	for {
  1505  		d := auxIntToInt64(v.AuxInt)
  1506  		if v_0.Op != OpARM64MOVDconst {
  1507  			break
  1508  		}
  1509  		c := auxIntToInt64(v_0.AuxInt)
  1510  		x := v_1
  1511  		v.reset(OpARM64ADDconst)
  1512  		v.AuxInt = int64ToAuxInt(c)
  1513  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  1514  		v0.AuxInt = int64ToAuxInt(d)
  1515  		v0.AddArg(x)
  1516  		v.AddArg(v0)
  1517  		return true
  1518  	}
  1519  	// match: (ADDshiftLL x (MOVDconst [c]) [d])
  1520  	// result: (ADDconst x [int64(uint64(c)<<uint64(d))])
  1521  	for {
  1522  		d := auxIntToInt64(v.AuxInt)
  1523  		x := v_0
  1524  		if v_1.Op != OpARM64MOVDconst {
  1525  			break
  1526  		}
  1527  		c := auxIntToInt64(v_1.AuxInt)
  1528  		v.reset(OpARM64ADDconst)
  1529  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  1530  		v.AddArg(x)
  1531  		return true
  1532  	}
  1533  	// match: (ADDshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
  1534  	// result: (REV16W x)
  1535  	for {
  1536  		if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) {
  1537  			break
  1538  		}
  1539  		x := v_0.Args[0]
  1540  		if x != v_1 {
  1541  			break
  1542  		}
  1543  		v.reset(OpARM64REV16W)
  1544  		v.AddArg(x)
  1545  		return true
  1546  	}
  1547  	// match: (ADDshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
  1548  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
  1549  	// result: (REV16W x)
  1550  	for {
  1551  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
  1552  			break
  1553  		}
  1554  		v_0_0 := v_0.Args[0]
  1555  		if v_0_0.Op != OpARM64ANDconst {
  1556  			break
  1557  		}
  1558  		c1 := auxIntToInt64(v_0_0.AuxInt)
  1559  		x := v_0_0.Args[0]
  1560  		if v_1.Op != OpARM64ANDconst {
  1561  			break
  1562  		}
  1563  		c2 := auxIntToInt64(v_1.AuxInt)
  1564  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
  1565  			break
  1566  		}
  1567  		v.reset(OpARM64REV16W)
  1568  		v.AddArg(x)
  1569  		return true
  1570  	}
  1571  	// match: (ADDshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
  1572  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
  1573  	// result: (REV16 x)
  1574  	for {
  1575  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
  1576  			break
  1577  		}
  1578  		v_0_0 := v_0.Args[0]
  1579  		if v_0_0.Op != OpARM64ANDconst {
  1580  			break
  1581  		}
  1582  		c1 := auxIntToInt64(v_0_0.AuxInt)
  1583  		x := v_0_0.Args[0]
  1584  		if v_1.Op != OpARM64ANDconst {
  1585  			break
  1586  		}
  1587  		c2 := auxIntToInt64(v_1.AuxInt)
  1588  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
  1589  			break
  1590  		}
  1591  		v.reset(OpARM64REV16)
  1592  		v.AddArg(x)
  1593  		return true
  1594  	}
  1595  	// match: (ADDshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
  1596  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
  1597  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
  1598  	for {
  1599  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
  1600  			break
  1601  		}
  1602  		v_0_0 := v_0.Args[0]
  1603  		if v_0_0.Op != OpARM64ANDconst {
  1604  			break
  1605  		}
  1606  		c1 := auxIntToInt64(v_0_0.AuxInt)
  1607  		x := v_0_0.Args[0]
  1608  		if v_1.Op != OpARM64ANDconst {
  1609  			break
  1610  		}
  1611  		c2 := auxIntToInt64(v_1.AuxInt)
  1612  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
  1613  			break
  1614  		}
  1615  		v.reset(OpARM64REV16)
  1616  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
  1617  		v0.AuxInt = int64ToAuxInt(0xffffffff)
  1618  		v0.AddArg(x)
  1619  		v.AddArg(v0)
  1620  		return true
  1621  	}
  1622  	// match: (ADDshiftLL [c] (SRLconst x [64-c]) x2)
  1623  	// result: (EXTRconst [64-c] x2 x)
  1624  	for {
  1625  		c := auxIntToInt64(v.AuxInt)
  1626  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
  1627  			break
  1628  		}
  1629  		x := v_0.Args[0]
  1630  		x2 := v_1
  1631  		v.reset(OpARM64EXTRconst)
  1632  		v.AuxInt = int64ToAuxInt(64 - c)
  1633  		v.AddArg2(x2, x)
  1634  		return true
  1635  	}
  1636  	// match: (ADDshiftLL <t> [c] (UBFX [bfc] x) x2)
  1637  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
  1638  	// result: (EXTRWconst [32-c] x2 x)
  1639  	for {
  1640  		t := v.Type
  1641  		c := auxIntToInt64(v.AuxInt)
  1642  		if v_0.Op != OpARM64UBFX {
  1643  			break
  1644  		}
  1645  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  1646  		x := v_0.Args[0]
  1647  		x2 := v_1
  1648  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
  1649  			break
  1650  		}
  1651  		v.reset(OpARM64EXTRWconst)
  1652  		v.AuxInt = int64ToAuxInt(32 - c)
  1653  		v.AddArg2(x2, x)
  1654  		return true
  1655  	}
  1656  	return false
  1657  }
  1658  func rewriteValueARM64_OpARM64ADDshiftRA(v *Value) bool {
  1659  	v_1 := v.Args[1]
  1660  	v_0 := v.Args[0]
  1661  	b := v.Block
  1662  	// match: (ADDshiftRA (MOVDconst [c]) x [d])
  1663  	// result: (ADDconst [c] (SRAconst <x.Type> x [d]))
  1664  	for {
  1665  		d := auxIntToInt64(v.AuxInt)
  1666  		if v_0.Op != OpARM64MOVDconst {
  1667  			break
  1668  		}
  1669  		c := auxIntToInt64(v_0.AuxInt)
  1670  		x := v_1
  1671  		v.reset(OpARM64ADDconst)
  1672  		v.AuxInt = int64ToAuxInt(c)
  1673  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  1674  		v0.AuxInt = int64ToAuxInt(d)
  1675  		v0.AddArg(x)
  1676  		v.AddArg(v0)
  1677  		return true
  1678  	}
  1679  	// match: (ADDshiftRA x (MOVDconst [c]) [d])
  1680  	// result: (ADDconst x [c>>uint64(d)])
  1681  	for {
  1682  		d := auxIntToInt64(v.AuxInt)
  1683  		x := v_0
  1684  		if v_1.Op != OpARM64MOVDconst {
  1685  			break
  1686  		}
  1687  		c := auxIntToInt64(v_1.AuxInt)
  1688  		v.reset(OpARM64ADDconst)
  1689  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  1690  		v.AddArg(x)
  1691  		return true
  1692  	}
  1693  	return false
  1694  }
  1695  func rewriteValueARM64_OpARM64ADDshiftRL(v *Value) bool {
  1696  	v_1 := v.Args[1]
  1697  	v_0 := v.Args[0]
  1698  	b := v.Block
  1699  	// match: (ADDshiftRL (MOVDconst [c]) x [d])
  1700  	// result: (ADDconst [c] (SRLconst <x.Type> x [d]))
  1701  	for {
  1702  		d := auxIntToInt64(v.AuxInt)
  1703  		if v_0.Op != OpARM64MOVDconst {
  1704  			break
  1705  		}
  1706  		c := auxIntToInt64(v_0.AuxInt)
  1707  		x := v_1
  1708  		v.reset(OpARM64ADDconst)
  1709  		v.AuxInt = int64ToAuxInt(c)
  1710  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  1711  		v0.AuxInt = int64ToAuxInt(d)
  1712  		v0.AddArg(x)
  1713  		v.AddArg(v0)
  1714  		return true
  1715  	}
  1716  	// match: (ADDshiftRL x (MOVDconst [c]) [d])
  1717  	// result: (ADDconst x [int64(uint64(c)>>uint64(d))])
  1718  	for {
  1719  		d := auxIntToInt64(v.AuxInt)
  1720  		x := v_0
  1721  		if v_1.Op != OpARM64MOVDconst {
  1722  			break
  1723  		}
  1724  		c := auxIntToInt64(v_1.AuxInt)
  1725  		v.reset(OpARM64ADDconst)
  1726  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  1727  		v.AddArg(x)
  1728  		return true
  1729  	}
  1730  	return false
  1731  }
  1732  func rewriteValueARM64_OpARM64AND(v *Value) bool {
  1733  	v_1 := v.Args[1]
  1734  	v_0 := v.Args[0]
  1735  	// match: (AND x (MOVDconst [c]))
  1736  	// result: (ANDconst [c] x)
  1737  	for {
  1738  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1739  			x := v_0
  1740  			if v_1.Op != OpARM64MOVDconst {
  1741  				continue
  1742  			}
  1743  			c := auxIntToInt64(v_1.AuxInt)
  1744  			v.reset(OpARM64ANDconst)
  1745  			v.AuxInt = int64ToAuxInt(c)
  1746  			v.AddArg(x)
  1747  			return true
  1748  		}
  1749  		break
  1750  	}
  1751  	// match: (AND x x)
  1752  	// result: x
  1753  	for {
  1754  		x := v_0
  1755  		if x != v_1 {
  1756  			break
  1757  		}
  1758  		v.copyOf(x)
  1759  		return true
  1760  	}
  1761  	// match: (AND x (MVN y))
  1762  	// result: (BIC x y)
  1763  	for {
  1764  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1765  			x := v_0
  1766  			if v_1.Op != OpARM64MVN {
  1767  				continue
  1768  			}
  1769  			y := v_1.Args[0]
  1770  			v.reset(OpARM64BIC)
  1771  			v.AddArg2(x, y)
  1772  			return true
  1773  		}
  1774  		break
  1775  	}
  1776  	// match: (AND x0 x1:(SLLconst [c] y))
  1777  	// cond: clobberIfDead(x1)
  1778  	// result: (ANDshiftLL x0 y [c])
  1779  	for {
  1780  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1781  			x0 := v_0
  1782  			x1 := v_1
  1783  			if x1.Op != OpARM64SLLconst {
  1784  				continue
  1785  			}
  1786  			c := auxIntToInt64(x1.AuxInt)
  1787  			y := x1.Args[0]
  1788  			if !(clobberIfDead(x1)) {
  1789  				continue
  1790  			}
  1791  			v.reset(OpARM64ANDshiftLL)
  1792  			v.AuxInt = int64ToAuxInt(c)
  1793  			v.AddArg2(x0, y)
  1794  			return true
  1795  		}
  1796  		break
  1797  	}
  1798  	// match: (AND x0 x1:(SRLconst [c] y))
  1799  	// cond: clobberIfDead(x1)
  1800  	// result: (ANDshiftRL x0 y [c])
  1801  	for {
  1802  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1803  			x0 := v_0
  1804  			x1 := v_1
  1805  			if x1.Op != OpARM64SRLconst {
  1806  				continue
  1807  			}
  1808  			c := auxIntToInt64(x1.AuxInt)
  1809  			y := x1.Args[0]
  1810  			if !(clobberIfDead(x1)) {
  1811  				continue
  1812  			}
  1813  			v.reset(OpARM64ANDshiftRL)
  1814  			v.AuxInt = int64ToAuxInt(c)
  1815  			v.AddArg2(x0, y)
  1816  			return true
  1817  		}
  1818  		break
  1819  	}
  1820  	// match: (AND x0 x1:(SRAconst [c] y))
  1821  	// cond: clobberIfDead(x1)
  1822  	// result: (ANDshiftRA x0 y [c])
  1823  	for {
  1824  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1825  			x0 := v_0
  1826  			x1 := v_1
  1827  			if x1.Op != OpARM64SRAconst {
  1828  				continue
  1829  			}
  1830  			c := auxIntToInt64(x1.AuxInt)
  1831  			y := x1.Args[0]
  1832  			if !(clobberIfDead(x1)) {
  1833  				continue
  1834  			}
  1835  			v.reset(OpARM64ANDshiftRA)
  1836  			v.AuxInt = int64ToAuxInt(c)
  1837  			v.AddArg2(x0, y)
  1838  			return true
  1839  		}
  1840  		break
  1841  	}
  1842  	// match: (AND x0 x1:(RORconst [c] y))
  1843  	// cond: clobberIfDead(x1)
  1844  	// result: (ANDshiftRO x0 y [c])
  1845  	for {
  1846  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1847  			x0 := v_0
  1848  			x1 := v_1
  1849  			if x1.Op != OpARM64RORconst {
  1850  				continue
  1851  			}
  1852  			c := auxIntToInt64(x1.AuxInt)
  1853  			y := x1.Args[0]
  1854  			if !(clobberIfDead(x1)) {
  1855  				continue
  1856  			}
  1857  			v.reset(OpARM64ANDshiftRO)
  1858  			v.AuxInt = int64ToAuxInt(c)
  1859  			v.AddArg2(x0, y)
  1860  			return true
  1861  		}
  1862  		break
  1863  	}
  1864  	return false
  1865  }
  1866  func rewriteValueARM64_OpARM64ANDconst(v *Value) bool {
  1867  	v_0 := v.Args[0]
  1868  	// match: (ANDconst [0] _)
  1869  	// result: (MOVDconst [0])
  1870  	for {
  1871  		if auxIntToInt64(v.AuxInt) != 0 {
  1872  			break
  1873  		}
  1874  		v.reset(OpARM64MOVDconst)
  1875  		v.AuxInt = int64ToAuxInt(0)
  1876  		return true
  1877  	}
  1878  	// match: (ANDconst [-1] x)
  1879  	// result: x
  1880  	for {
  1881  		if auxIntToInt64(v.AuxInt) != -1 {
  1882  			break
  1883  		}
  1884  		x := v_0
  1885  		v.copyOf(x)
  1886  		return true
  1887  	}
  1888  	// match: (ANDconst [c] (MOVDconst [d]))
  1889  	// result: (MOVDconst [c&d])
  1890  	for {
  1891  		c := auxIntToInt64(v.AuxInt)
  1892  		if v_0.Op != OpARM64MOVDconst {
  1893  			break
  1894  		}
  1895  		d := auxIntToInt64(v_0.AuxInt)
  1896  		v.reset(OpARM64MOVDconst)
  1897  		v.AuxInt = int64ToAuxInt(c & d)
  1898  		return true
  1899  	}
  1900  	// match: (ANDconst [c] (ANDconst [d] x))
  1901  	// result: (ANDconst [c&d] x)
  1902  	for {
  1903  		c := auxIntToInt64(v.AuxInt)
  1904  		if v_0.Op != OpARM64ANDconst {
  1905  			break
  1906  		}
  1907  		d := auxIntToInt64(v_0.AuxInt)
  1908  		x := v_0.Args[0]
  1909  		v.reset(OpARM64ANDconst)
  1910  		v.AuxInt = int64ToAuxInt(c & d)
  1911  		v.AddArg(x)
  1912  		return true
  1913  	}
  1914  	// match: (ANDconst [c] (MOVWUreg x))
  1915  	// result: (ANDconst [c&(1<<32-1)] x)
  1916  	for {
  1917  		c := auxIntToInt64(v.AuxInt)
  1918  		if v_0.Op != OpARM64MOVWUreg {
  1919  			break
  1920  		}
  1921  		x := v_0.Args[0]
  1922  		v.reset(OpARM64ANDconst)
  1923  		v.AuxInt = int64ToAuxInt(c & (1<<32 - 1))
  1924  		v.AddArg(x)
  1925  		return true
  1926  	}
  1927  	// match: (ANDconst [c] (MOVHUreg x))
  1928  	// result: (ANDconst [c&(1<<16-1)] x)
  1929  	for {
  1930  		c := auxIntToInt64(v.AuxInt)
  1931  		if v_0.Op != OpARM64MOVHUreg {
  1932  			break
  1933  		}
  1934  		x := v_0.Args[0]
  1935  		v.reset(OpARM64ANDconst)
  1936  		v.AuxInt = int64ToAuxInt(c & (1<<16 - 1))
  1937  		v.AddArg(x)
  1938  		return true
  1939  	}
  1940  	// match: (ANDconst [c] (MOVBUreg x))
  1941  	// result: (ANDconst [c&(1<<8-1)] x)
  1942  	for {
  1943  		c := auxIntToInt64(v.AuxInt)
  1944  		if v_0.Op != OpARM64MOVBUreg {
  1945  			break
  1946  		}
  1947  		x := v_0.Args[0]
  1948  		v.reset(OpARM64ANDconst)
  1949  		v.AuxInt = int64ToAuxInt(c & (1<<8 - 1))
  1950  		v.AddArg(x)
  1951  		return true
  1952  	}
  1953  	// match: (ANDconst [ac] (SLLconst [sc] x))
  1954  	// cond: isARM64BFMask(sc, ac, sc)
  1955  	// result: (UBFIZ [armBFAuxInt(sc, arm64BFWidth(ac, sc))] x)
  1956  	for {
  1957  		ac := auxIntToInt64(v.AuxInt)
  1958  		if v_0.Op != OpARM64SLLconst {
  1959  			break
  1960  		}
  1961  		sc := auxIntToInt64(v_0.AuxInt)
  1962  		x := v_0.Args[0]
  1963  		if !(isARM64BFMask(sc, ac, sc)) {
  1964  			break
  1965  		}
  1966  		v.reset(OpARM64UBFIZ)
  1967  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, sc)))
  1968  		v.AddArg(x)
  1969  		return true
  1970  	}
  1971  	// match: (ANDconst [ac] (SRLconst [sc] x))
  1972  	// cond: isARM64BFMask(sc, ac, 0)
  1973  	// result: (UBFX [armBFAuxInt(sc, arm64BFWidth(ac, 0))] x)
  1974  	for {
  1975  		ac := auxIntToInt64(v.AuxInt)
  1976  		if v_0.Op != OpARM64SRLconst {
  1977  			break
  1978  		}
  1979  		sc := auxIntToInt64(v_0.AuxInt)
  1980  		x := v_0.Args[0]
  1981  		if !(isARM64BFMask(sc, ac, 0)) {
  1982  			break
  1983  		}
  1984  		v.reset(OpARM64UBFX)
  1985  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, 0)))
  1986  		v.AddArg(x)
  1987  		return true
  1988  	}
  1989  	// match: (ANDconst [c] (UBFX [bfc] x))
  1990  	// cond: isARM64BFMask(0, c, 0)
  1991  	// result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb(), min(bfc.getARM64BFwidth(), arm64BFWidth(c, 0)))] x)
  1992  	for {
  1993  		c := auxIntToInt64(v.AuxInt)
  1994  		if v_0.Op != OpARM64UBFX {
  1995  			break
  1996  		}
  1997  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  1998  		x := v_0.Args[0]
  1999  		if !(isARM64BFMask(0, c, 0)) {
  2000  			break
  2001  		}
  2002  		v.reset(OpARM64UBFX)
  2003  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb(), min(bfc.getARM64BFwidth(), arm64BFWidth(c, 0))))
  2004  		v.AddArg(x)
  2005  		return true
  2006  	}
  2007  	return false
  2008  }
  2009  func rewriteValueARM64_OpARM64ANDshiftLL(v *Value) bool {
  2010  	v_1 := v.Args[1]
  2011  	v_0 := v.Args[0]
  2012  	b := v.Block
  2013  	// match: (ANDshiftLL (MOVDconst [c]) x [d])
  2014  	// result: (ANDconst [c] (SLLconst <x.Type> x [d]))
  2015  	for {
  2016  		d := auxIntToInt64(v.AuxInt)
  2017  		if v_0.Op != OpARM64MOVDconst {
  2018  			break
  2019  		}
  2020  		c := auxIntToInt64(v_0.AuxInt)
  2021  		x := v_1
  2022  		v.reset(OpARM64ANDconst)
  2023  		v.AuxInt = int64ToAuxInt(c)
  2024  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  2025  		v0.AuxInt = int64ToAuxInt(d)
  2026  		v0.AddArg(x)
  2027  		v.AddArg(v0)
  2028  		return true
  2029  	}
  2030  	// match: (ANDshiftLL x (MOVDconst [c]) [d])
  2031  	// result: (ANDconst x [int64(uint64(c)<<uint64(d))])
  2032  	for {
  2033  		d := auxIntToInt64(v.AuxInt)
  2034  		x := v_0
  2035  		if v_1.Op != OpARM64MOVDconst {
  2036  			break
  2037  		}
  2038  		c := auxIntToInt64(v_1.AuxInt)
  2039  		v.reset(OpARM64ANDconst)
  2040  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  2041  		v.AddArg(x)
  2042  		return true
  2043  	}
  2044  	// match: (ANDshiftLL y:(SLLconst x [c]) x [c])
  2045  	// result: y
  2046  	for {
  2047  		c := auxIntToInt64(v.AuxInt)
  2048  		y := v_0
  2049  		if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c {
  2050  			break
  2051  		}
  2052  		x := y.Args[0]
  2053  		if x != v_1 {
  2054  			break
  2055  		}
  2056  		v.copyOf(y)
  2057  		return true
  2058  	}
  2059  	return false
  2060  }
  2061  func rewriteValueARM64_OpARM64ANDshiftRA(v *Value) bool {
  2062  	v_1 := v.Args[1]
  2063  	v_0 := v.Args[0]
  2064  	b := v.Block
  2065  	// match: (ANDshiftRA (MOVDconst [c]) x [d])
  2066  	// result: (ANDconst [c] (SRAconst <x.Type> x [d]))
  2067  	for {
  2068  		d := auxIntToInt64(v.AuxInt)
  2069  		if v_0.Op != OpARM64MOVDconst {
  2070  			break
  2071  		}
  2072  		c := auxIntToInt64(v_0.AuxInt)
  2073  		x := v_1
  2074  		v.reset(OpARM64ANDconst)
  2075  		v.AuxInt = int64ToAuxInt(c)
  2076  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  2077  		v0.AuxInt = int64ToAuxInt(d)
  2078  		v0.AddArg(x)
  2079  		v.AddArg(v0)
  2080  		return true
  2081  	}
  2082  	// match: (ANDshiftRA x (MOVDconst [c]) [d])
  2083  	// result: (ANDconst x [c>>uint64(d)])
  2084  	for {
  2085  		d := auxIntToInt64(v.AuxInt)
  2086  		x := v_0
  2087  		if v_1.Op != OpARM64MOVDconst {
  2088  			break
  2089  		}
  2090  		c := auxIntToInt64(v_1.AuxInt)
  2091  		v.reset(OpARM64ANDconst)
  2092  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  2093  		v.AddArg(x)
  2094  		return true
  2095  	}
  2096  	// match: (ANDshiftRA y:(SRAconst x [c]) x [c])
  2097  	// result: y
  2098  	for {
  2099  		c := auxIntToInt64(v.AuxInt)
  2100  		y := v_0
  2101  		if y.Op != OpARM64SRAconst || auxIntToInt64(y.AuxInt) != c {
  2102  			break
  2103  		}
  2104  		x := y.Args[0]
  2105  		if x != v_1 {
  2106  			break
  2107  		}
  2108  		v.copyOf(y)
  2109  		return true
  2110  	}
  2111  	return false
  2112  }
  2113  func rewriteValueARM64_OpARM64ANDshiftRL(v *Value) bool {
  2114  	v_1 := v.Args[1]
  2115  	v_0 := v.Args[0]
  2116  	b := v.Block
  2117  	// match: (ANDshiftRL (MOVDconst [c]) x [d])
  2118  	// result: (ANDconst [c] (SRLconst <x.Type> x [d]))
  2119  	for {
  2120  		d := auxIntToInt64(v.AuxInt)
  2121  		if v_0.Op != OpARM64MOVDconst {
  2122  			break
  2123  		}
  2124  		c := auxIntToInt64(v_0.AuxInt)
  2125  		x := v_1
  2126  		v.reset(OpARM64ANDconst)
  2127  		v.AuxInt = int64ToAuxInt(c)
  2128  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  2129  		v0.AuxInt = int64ToAuxInt(d)
  2130  		v0.AddArg(x)
  2131  		v.AddArg(v0)
  2132  		return true
  2133  	}
  2134  	// match: (ANDshiftRL x (MOVDconst [c]) [d])
  2135  	// result: (ANDconst x [int64(uint64(c)>>uint64(d))])
  2136  	for {
  2137  		d := auxIntToInt64(v.AuxInt)
  2138  		x := v_0
  2139  		if v_1.Op != OpARM64MOVDconst {
  2140  			break
  2141  		}
  2142  		c := auxIntToInt64(v_1.AuxInt)
  2143  		v.reset(OpARM64ANDconst)
  2144  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  2145  		v.AddArg(x)
  2146  		return true
  2147  	}
  2148  	// match: (ANDshiftRL y:(SRLconst x [c]) x [c])
  2149  	// result: y
  2150  	for {
  2151  		c := auxIntToInt64(v.AuxInt)
  2152  		y := v_0
  2153  		if y.Op != OpARM64SRLconst || auxIntToInt64(y.AuxInt) != c {
  2154  			break
  2155  		}
  2156  		x := y.Args[0]
  2157  		if x != v_1 {
  2158  			break
  2159  		}
  2160  		v.copyOf(y)
  2161  		return true
  2162  	}
  2163  	return false
  2164  }
  2165  func rewriteValueARM64_OpARM64ANDshiftRO(v *Value) bool {
  2166  	v_1 := v.Args[1]
  2167  	v_0 := v.Args[0]
  2168  	b := v.Block
  2169  	// match: (ANDshiftRO (MOVDconst [c]) x [d])
  2170  	// result: (ANDconst [c] (RORconst <x.Type> x [d]))
  2171  	for {
  2172  		d := auxIntToInt64(v.AuxInt)
  2173  		if v_0.Op != OpARM64MOVDconst {
  2174  			break
  2175  		}
  2176  		c := auxIntToInt64(v_0.AuxInt)
  2177  		x := v_1
  2178  		v.reset(OpARM64ANDconst)
  2179  		v.AuxInt = int64ToAuxInt(c)
  2180  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
  2181  		v0.AuxInt = int64ToAuxInt(d)
  2182  		v0.AddArg(x)
  2183  		v.AddArg(v0)
  2184  		return true
  2185  	}
  2186  	// match: (ANDshiftRO x (MOVDconst [c]) [d])
  2187  	// result: (ANDconst x [rotateRight64(c, d)])
  2188  	for {
  2189  		d := auxIntToInt64(v.AuxInt)
  2190  		x := v_0
  2191  		if v_1.Op != OpARM64MOVDconst {
  2192  			break
  2193  		}
  2194  		c := auxIntToInt64(v_1.AuxInt)
  2195  		v.reset(OpARM64ANDconst)
  2196  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
  2197  		v.AddArg(x)
  2198  		return true
  2199  	}
  2200  	// match: (ANDshiftRO y:(RORconst x [c]) x [c])
  2201  	// result: y
  2202  	for {
  2203  		c := auxIntToInt64(v.AuxInt)
  2204  		y := v_0
  2205  		if y.Op != OpARM64RORconst || auxIntToInt64(y.AuxInt) != c {
  2206  			break
  2207  		}
  2208  		x := y.Args[0]
  2209  		if x != v_1 {
  2210  			break
  2211  		}
  2212  		v.copyOf(y)
  2213  		return true
  2214  	}
  2215  	return false
  2216  }
  2217  func rewriteValueARM64_OpARM64BIC(v *Value) bool {
  2218  	v_1 := v.Args[1]
  2219  	v_0 := v.Args[0]
  2220  	// match: (BIC x (MOVDconst [c]))
  2221  	// result: (ANDconst [^c] x)
  2222  	for {
  2223  		x := v_0
  2224  		if v_1.Op != OpARM64MOVDconst {
  2225  			break
  2226  		}
  2227  		c := auxIntToInt64(v_1.AuxInt)
  2228  		v.reset(OpARM64ANDconst)
  2229  		v.AuxInt = int64ToAuxInt(^c)
  2230  		v.AddArg(x)
  2231  		return true
  2232  	}
  2233  	// match: (BIC x x)
  2234  	// result: (MOVDconst [0])
  2235  	for {
  2236  		x := v_0
  2237  		if x != v_1 {
  2238  			break
  2239  		}
  2240  		v.reset(OpARM64MOVDconst)
  2241  		v.AuxInt = int64ToAuxInt(0)
  2242  		return true
  2243  	}
  2244  	// match: (BIC x0 x1:(SLLconst [c] y))
  2245  	// cond: clobberIfDead(x1)
  2246  	// result: (BICshiftLL x0 y [c])
  2247  	for {
  2248  		x0 := v_0
  2249  		x1 := v_1
  2250  		if x1.Op != OpARM64SLLconst {
  2251  			break
  2252  		}
  2253  		c := auxIntToInt64(x1.AuxInt)
  2254  		y := x1.Args[0]
  2255  		if !(clobberIfDead(x1)) {
  2256  			break
  2257  		}
  2258  		v.reset(OpARM64BICshiftLL)
  2259  		v.AuxInt = int64ToAuxInt(c)
  2260  		v.AddArg2(x0, y)
  2261  		return true
  2262  	}
  2263  	// match: (BIC x0 x1:(SRLconst [c] y))
  2264  	// cond: clobberIfDead(x1)
  2265  	// result: (BICshiftRL x0 y [c])
  2266  	for {
  2267  		x0 := v_0
  2268  		x1 := v_1
  2269  		if x1.Op != OpARM64SRLconst {
  2270  			break
  2271  		}
  2272  		c := auxIntToInt64(x1.AuxInt)
  2273  		y := x1.Args[0]
  2274  		if !(clobberIfDead(x1)) {
  2275  			break
  2276  		}
  2277  		v.reset(OpARM64BICshiftRL)
  2278  		v.AuxInt = int64ToAuxInt(c)
  2279  		v.AddArg2(x0, y)
  2280  		return true
  2281  	}
  2282  	// match: (BIC x0 x1:(SRAconst [c] y))
  2283  	// cond: clobberIfDead(x1)
  2284  	// result: (BICshiftRA x0 y [c])
  2285  	for {
  2286  		x0 := v_0
  2287  		x1 := v_1
  2288  		if x1.Op != OpARM64SRAconst {
  2289  			break
  2290  		}
  2291  		c := auxIntToInt64(x1.AuxInt)
  2292  		y := x1.Args[0]
  2293  		if !(clobberIfDead(x1)) {
  2294  			break
  2295  		}
  2296  		v.reset(OpARM64BICshiftRA)
  2297  		v.AuxInt = int64ToAuxInt(c)
  2298  		v.AddArg2(x0, y)
  2299  		return true
  2300  	}
  2301  	// match: (BIC x0 x1:(RORconst [c] y))
  2302  	// cond: clobberIfDead(x1)
  2303  	// result: (BICshiftRO x0 y [c])
  2304  	for {
  2305  		x0 := v_0
  2306  		x1 := v_1
  2307  		if x1.Op != OpARM64RORconst {
  2308  			break
  2309  		}
  2310  		c := auxIntToInt64(x1.AuxInt)
  2311  		y := x1.Args[0]
  2312  		if !(clobberIfDead(x1)) {
  2313  			break
  2314  		}
  2315  		v.reset(OpARM64BICshiftRO)
  2316  		v.AuxInt = int64ToAuxInt(c)
  2317  		v.AddArg2(x0, y)
  2318  		return true
  2319  	}
  2320  	return false
  2321  }
  2322  func rewriteValueARM64_OpARM64BICshiftLL(v *Value) bool {
  2323  	v_1 := v.Args[1]
  2324  	v_0 := v.Args[0]
  2325  	// match: (BICshiftLL x (MOVDconst [c]) [d])
  2326  	// result: (ANDconst x [^int64(uint64(c)<<uint64(d))])
  2327  	for {
  2328  		d := auxIntToInt64(v.AuxInt)
  2329  		x := v_0
  2330  		if v_1.Op != OpARM64MOVDconst {
  2331  			break
  2332  		}
  2333  		c := auxIntToInt64(v_1.AuxInt)
  2334  		v.reset(OpARM64ANDconst)
  2335  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
  2336  		v.AddArg(x)
  2337  		return true
  2338  	}
  2339  	// match: (BICshiftLL (SLLconst x [c]) x [c])
  2340  	// result: (MOVDconst [0])
  2341  	for {
  2342  		c := auxIntToInt64(v.AuxInt)
  2343  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
  2344  			break
  2345  		}
  2346  		x := v_0.Args[0]
  2347  		if x != v_1 {
  2348  			break
  2349  		}
  2350  		v.reset(OpARM64MOVDconst)
  2351  		v.AuxInt = int64ToAuxInt(0)
  2352  		return true
  2353  	}
  2354  	return false
  2355  }
  2356  func rewriteValueARM64_OpARM64BICshiftRA(v *Value) bool {
  2357  	v_1 := v.Args[1]
  2358  	v_0 := v.Args[0]
  2359  	// match: (BICshiftRA x (MOVDconst [c]) [d])
  2360  	// result: (ANDconst x [^(c>>uint64(d))])
  2361  	for {
  2362  		d := auxIntToInt64(v.AuxInt)
  2363  		x := v_0
  2364  		if v_1.Op != OpARM64MOVDconst {
  2365  			break
  2366  		}
  2367  		c := auxIntToInt64(v_1.AuxInt)
  2368  		v.reset(OpARM64ANDconst)
  2369  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
  2370  		v.AddArg(x)
  2371  		return true
  2372  	}
  2373  	// match: (BICshiftRA (SRAconst x [c]) x [c])
  2374  	// result: (MOVDconst [0])
  2375  	for {
  2376  		c := auxIntToInt64(v.AuxInt)
  2377  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
  2378  			break
  2379  		}
  2380  		x := v_0.Args[0]
  2381  		if x != v_1 {
  2382  			break
  2383  		}
  2384  		v.reset(OpARM64MOVDconst)
  2385  		v.AuxInt = int64ToAuxInt(0)
  2386  		return true
  2387  	}
  2388  	return false
  2389  }
  2390  func rewriteValueARM64_OpARM64BICshiftRL(v *Value) bool {
  2391  	v_1 := v.Args[1]
  2392  	v_0 := v.Args[0]
  2393  	// match: (BICshiftRL x (MOVDconst [c]) [d])
  2394  	// result: (ANDconst x [^int64(uint64(c)>>uint64(d))])
  2395  	for {
  2396  		d := auxIntToInt64(v.AuxInt)
  2397  		x := v_0
  2398  		if v_1.Op != OpARM64MOVDconst {
  2399  			break
  2400  		}
  2401  		c := auxIntToInt64(v_1.AuxInt)
  2402  		v.reset(OpARM64ANDconst)
  2403  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
  2404  		v.AddArg(x)
  2405  		return true
  2406  	}
  2407  	// match: (BICshiftRL (SRLconst x [c]) x [c])
  2408  	// result: (MOVDconst [0])
  2409  	for {
  2410  		c := auxIntToInt64(v.AuxInt)
  2411  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
  2412  			break
  2413  		}
  2414  		x := v_0.Args[0]
  2415  		if x != v_1 {
  2416  			break
  2417  		}
  2418  		v.reset(OpARM64MOVDconst)
  2419  		v.AuxInt = int64ToAuxInt(0)
  2420  		return true
  2421  	}
  2422  	return false
  2423  }
  2424  func rewriteValueARM64_OpARM64BICshiftRO(v *Value) bool {
  2425  	v_1 := v.Args[1]
  2426  	v_0 := v.Args[0]
  2427  	// match: (BICshiftRO x (MOVDconst [c]) [d])
  2428  	// result: (ANDconst x [^rotateRight64(c, d)])
  2429  	for {
  2430  		d := auxIntToInt64(v.AuxInt)
  2431  		x := v_0
  2432  		if v_1.Op != OpARM64MOVDconst {
  2433  			break
  2434  		}
  2435  		c := auxIntToInt64(v_1.AuxInt)
  2436  		v.reset(OpARM64ANDconst)
  2437  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
  2438  		v.AddArg(x)
  2439  		return true
  2440  	}
  2441  	// match: (BICshiftRO (RORconst x [c]) x [c])
  2442  	// result: (MOVDconst [0])
  2443  	for {
  2444  		c := auxIntToInt64(v.AuxInt)
  2445  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
  2446  			break
  2447  		}
  2448  		x := v_0.Args[0]
  2449  		if x != v_1 {
  2450  			break
  2451  		}
  2452  		v.reset(OpARM64MOVDconst)
  2453  		v.AuxInt = int64ToAuxInt(0)
  2454  		return true
  2455  	}
  2456  	return false
  2457  }
  2458  func rewriteValueARM64_OpARM64CMN(v *Value) bool {
  2459  	v_1 := v.Args[1]
  2460  	v_0 := v.Args[0]
  2461  	// match: (CMN x (MOVDconst [c]))
  2462  	// result: (CMNconst [c] x)
  2463  	for {
  2464  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2465  			x := v_0
  2466  			if v_1.Op != OpARM64MOVDconst {
  2467  				continue
  2468  			}
  2469  			c := auxIntToInt64(v_1.AuxInt)
  2470  			v.reset(OpARM64CMNconst)
  2471  			v.AuxInt = int64ToAuxInt(c)
  2472  			v.AddArg(x)
  2473  			return true
  2474  		}
  2475  		break
  2476  	}
  2477  	// match: (CMN x0 x1:(SLLconst [c] y))
  2478  	// cond: clobberIfDead(x1)
  2479  	// result: (CMNshiftLL x0 y [c])
  2480  	for {
  2481  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2482  			x0 := v_0
  2483  			x1 := v_1
  2484  			if x1.Op != OpARM64SLLconst {
  2485  				continue
  2486  			}
  2487  			c := auxIntToInt64(x1.AuxInt)
  2488  			y := x1.Args[0]
  2489  			if !(clobberIfDead(x1)) {
  2490  				continue
  2491  			}
  2492  			v.reset(OpARM64CMNshiftLL)
  2493  			v.AuxInt = int64ToAuxInt(c)
  2494  			v.AddArg2(x0, y)
  2495  			return true
  2496  		}
  2497  		break
  2498  	}
  2499  	// match: (CMN x0 x1:(SRLconst [c] y))
  2500  	// cond: clobberIfDead(x1)
  2501  	// result: (CMNshiftRL x0 y [c])
  2502  	for {
  2503  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2504  			x0 := v_0
  2505  			x1 := v_1
  2506  			if x1.Op != OpARM64SRLconst {
  2507  				continue
  2508  			}
  2509  			c := auxIntToInt64(x1.AuxInt)
  2510  			y := x1.Args[0]
  2511  			if !(clobberIfDead(x1)) {
  2512  				continue
  2513  			}
  2514  			v.reset(OpARM64CMNshiftRL)
  2515  			v.AuxInt = int64ToAuxInt(c)
  2516  			v.AddArg2(x0, y)
  2517  			return true
  2518  		}
  2519  		break
  2520  	}
  2521  	// match: (CMN x0 x1:(SRAconst [c] y))
  2522  	// cond: clobberIfDead(x1)
  2523  	// result: (CMNshiftRA x0 y [c])
  2524  	for {
  2525  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2526  			x0 := v_0
  2527  			x1 := v_1
  2528  			if x1.Op != OpARM64SRAconst {
  2529  				continue
  2530  			}
  2531  			c := auxIntToInt64(x1.AuxInt)
  2532  			y := x1.Args[0]
  2533  			if !(clobberIfDead(x1)) {
  2534  				continue
  2535  			}
  2536  			v.reset(OpARM64CMNshiftRA)
  2537  			v.AuxInt = int64ToAuxInt(c)
  2538  			v.AddArg2(x0, y)
  2539  			return true
  2540  		}
  2541  		break
  2542  	}
  2543  	return false
  2544  }
  2545  func rewriteValueARM64_OpARM64CMNW(v *Value) bool {
  2546  	v_1 := v.Args[1]
  2547  	v_0 := v.Args[0]
  2548  	// match: (CMNW x (MOVDconst [c]))
  2549  	// result: (CMNWconst [int32(c)] x)
  2550  	for {
  2551  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2552  			x := v_0
  2553  			if v_1.Op != OpARM64MOVDconst {
  2554  				continue
  2555  			}
  2556  			c := auxIntToInt64(v_1.AuxInt)
  2557  			v.reset(OpARM64CMNWconst)
  2558  			v.AuxInt = int32ToAuxInt(int32(c))
  2559  			v.AddArg(x)
  2560  			return true
  2561  		}
  2562  		break
  2563  	}
  2564  	return false
  2565  }
  2566  func rewriteValueARM64_OpARM64CMNWconst(v *Value) bool {
  2567  	v_0 := v.Args[0]
  2568  	// match: (CMNWconst [c] y)
  2569  	// cond: c < 0 && c != -1<<31
  2570  	// result: (CMPWconst [-c] y)
  2571  	for {
  2572  		c := auxIntToInt32(v.AuxInt)
  2573  		y := v_0
  2574  		if !(c < 0 && c != -1<<31) {
  2575  			break
  2576  		}
  2577  		v.reset(OpARM64CMPWconst)
  2578  		v.AuxInt = int32ToAuxInt(-c)
  2579  		v.AddArg(y)
  2580  		return true
  2581  	}
  2582  	// match: (CMNWconst (MOVDconst [x]) [y])
  2583  	// result: (FlagConstant [addFlags32(int32(x),y)])
  2584  	for {
  2585  		y := auxIntToInt32(v.AuxInt)
  2586  		if v_0.Op != OpARM64MOVDconst {
  2587  			break
  2588  		}
  2589  		x := auxIntToInt64(v_0.AuxInt)
  2590  		v.reset(OpARM64FlagConstant)
  2591  		v.AuxInt = flagConstantToAuxInt(addFlags32(int32(x), y))
  2592  		return true
  2593  	}
  2594  	return false
  2595  }
  2596  func rewriteValueARM64_OpARM64CMNconst(v *Value) bool {
  2597  	v_0 := v.Args[0]
  2598  	// match: (CMNconst [c] y)
  2599  	// cond: c < 0 && c != -1<<63
  2600  	// result: (CMPconst [-c] y)
  2601  	for {
  2602  		c := auxIntToInt64(v.AuxInt)
  2603  		y := v_0
  2604  		if !(c < 0 && c != -1<<63) {
  2605  			break
  2606  		}
  2607  		v.reset(OpARM64CMPconst)
  2608  		v.AuxInt = int64ToAuxInt(-c)
  2609  		v.AddArg(y)
  2610  		return true
  2611  	}
  2612  	// match: (CMNconst (MOVDconst [x]) [y])
  2613  	// result: (FlagConstant [addFlags64(x,y)])
  2614  	for {
  2615  		y := auxIntToInt64(v.AuxInt)
  2616  		if v_0.Op != OpARM64MOVDconst {
  2617  			break
  2618  		}
  2619  		x := auxIntToInt64(v_0.AuxInt)
  2620  		v.reset(OpARM64FlagConstant)
  2621  		v.AuxInt = flagConstantToAuxInt(addFlags64(x, y))
  2622  		return true
  2623  	}
  2624  	return false
  2625  }
  2626  func rewriteValueARM64_OpARM64CMNshiftLL(v *Value) bool {
  2627  	v_1 := v.Args[1]
  2628  	v_0 := v.Args[0]
  2629  	b := v.Block
  2630  	// match: (CMNshiftLL (MOVDconst [c]) x [d])
  2631  	// result: (CMNconst [c] (SLLconst <x.Type> x [d]))
  2632  	for {
  2633  		d := auxIntToInt64(v.AuxInt)
  2634  		if v_0.Op != OpARM64MOVDconst {
  2635  			break
  2636  		}
  2637  		c := auxIntToInt64(v_0.AuxInt)
  2638  		x := v_1
  2639  		v.reset(OpARM64CMNconst)
  2640  		v.AuxInt = int64ToAuxInt(c)
  2641  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  2642  		v0.AuxInt = int64ToAuxInt(d)
  2643  		v0.AddArg(x)
  2644  		v.AddArg(v0)
  2645  		return true
  2646  	}
  2647  	// match: (CMNshiftLL x (MOVDconst [c]) [d])
  2648  	// result: (CMNconst x [int64(uint64(c)<<uint64(d))])
  2649  	for {
  2650  		d := auxIntToInt64(v.AuxInt)
  2651  		x := v_0
  2652  		if v_1.Op != OpARM64MOVDconst {
  2653  			break
  2654  		}
  2655  		c := auxIntToInt64(v_1.AuxInt)
  2656  		v.reset(OpARM64CMNconst)
  2657  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  2658  		v.AddArg(x)
  2659  		return true
  2660  	}
  2661  	return false
  2662  }
  2663  func rewriteValueARM64_OpARM64CMNshiftRA(v *Value) bool {
  2664  	v_1 := v.Args[1]
  2665  	v_0 := v.Args[0]
  2666  	b := v.Block
  2667  	// match: (CMNshiftRA (MOVDconst [c]) x [d])
  2668  	// result: (CMNconst [c] (SRAconst <x.Type> x [d]))
  2669  	for {
  2670  		d := auxIntToInt64(v.AuxInt)
  2671  		if v_0.Op != OpARM64MOVDconst {
  2672  			break
  2673  		}
  2674  		c := auxIntToInt64(v_0.AuxInt)
  2675  		x := v_1
  2676  		v.reset(OpARM64CMNconst)
  2677  		v.AuxInt = int64ToAuxInt(c)
  2678  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  2679  		v0.AuxInt = int64ToAuxInt(d)
  2680  		v0.AddArg(x)
  2681  		v.AddArg(v0)
  2682  		return true
  2683  	}
  2684  	// match: (CMNshiftRA x (MOVDconst [c]) [d])
  2685  	// result: (CMNconst x [c>>uint64(d)])
  2686  	for {
  2687  		d := auxIntToInt64(v.AuxInt)
  2688  		x := v_0
  2689  		if v_1.Op != OpARM64MOVDconst {
  2690  			break
  2691  		}
  2692  		c := auxIntToInt64(v_1.AuxInt)
  2693  		v.reset(OpARM64CMNconst)
  2694  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  2695  		v.AddArg(x)
  2696  		return true
  2697  	}
  2698  	return false
  2699  }
  2700  func rewriteValueARM64_OpARM64CMNshiftRL(v *Value) bool {
  2701  	v_1 := v.Args[1]
  2702  	v_0 := v.Args[0]
  2703  	b := v.Block
  2704  	// match: (CMNshiftRL (MOVDconst [c]) x [d])
  2705  	// result: (CMNconst [c] (SRLconst <x.Type> x [d]))
  2706  	for {
  2707  		d := auxIntToInt64(v.AuxInt)
  2708  		if v_0.Op != OpARM64MOVDconst {
  2709  			break
  2710  		}
  2711  		c := auxIntToInt64(v_0.AuxInt)
  2712  		x := v_1
  2713  		v.reset(OpARM64CMNconst)
  2714  		v.AuxInt = int64ToAuxInt(c)
  2715  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  2716  		v0.AuxInt = int64ToAuxInt(d)
  2717  		v0.AddArg(x)
  2718  		v.AddArg(v0)
  2719  		return true
  2720  	}
  2721  	// match: (CMNshiftRL x (MOVDconst [c]) [d])
  2722  	// result: (CMNconst x [int64(uint64(c)>>uint64(d))])
  2723  	for {
  2724  		d := auxIntToInt64(v.AuxInt)
  2725  		x := v_0
  2726  		if v_1.Op != OpARM64MOVDconst {
  2727  			break
  2728  		}
  2729  		c := auxIntToInt64(v_1.AuxInt)
  2730  		v.reset(OpARM64CMNconst)
  2731  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  2732  		v.AddArg(x)
  2733  		return true
  2734  	}
  2735  	return false
  2736  }
  2737  func rewriteValueARM64_OpARM64CMP(v *Value) bool {
  2738  	v_1 := v.Args[1]
  2739  	v_0 := v.Args[0]
  2740  	b := v.Block
  2741  	// match: (CMP x (MOVDconst [c]))
  2742  	// result: (CMPconst [c] x)
  2743  	for {
  2744  		x := v_0
  2745  		if v_1.Op != OpARM64MOVDconst {
  2746  			break
  2747  		}
  2748  		c := auxIntToInt64(v_1.AuxInt)
  2749  		v.reset(OpARM64CMPconst)
  2750  		v.AuxInt = int64ToAuxInt(c)
  2751  		v.AddArg(x)
  2752  		return true
  2753  	}
  2754  	// match: (CMP (MOVDconst [c]) x)
  2755  	// result: (InvertFlags (CMPconst [c] x))
  2756  	for {
  2757  		if v_0.Op != OpARM64MOVDconst {
  2758  			break
  2759  		}
  2760  		c := auxIntToInt64(v_0.AuxInt)
  2761  		x := v_1
  2762  		v.reset(OpARM64InvertFlags)
  2763  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  2764  		v0.AuxInt = int64ToAuxInt(c)
  2765  		v0.AddArg(x)
  2766  		v.AddArg(v0)
  2767  		return true
  2768  	}
  2769  	// match: (CMP x y)
  2770  	// cond: canonLessThan(x,y)
  2771  	// result: (InvertFlags (CMP y x))
  2772  	for {
  2773  		x := v_0
  2774  		y := v_1
  2775  		if !(canonLessThan(x, y)) {
  2776  			break
  2777  		}
  2778  		v.reset(OpARM64InvertFlags)
  2779  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  2780  		v0.AddArg2(y, x)
  2781  		v.AddArg(v0)
  2782  		return true
  2783  	}
  2784  	// match: (CMP x0 x1:(SLLconst [c] y))
  2785  	// cond: clobberIfDead(x1)
  2786  	// result: (CMPshiftLL x0 y [c])
  2787  	for {
  2788  		x0 := v_0
  2789  		x1 := v_1
  2790  		if x1.Op != OpARM64SLLconst {
  2791  			break
  2792  		}
  2793  		c := auxIntToInt64(x1.AuxInt)
  2794  		y := x1.Args[0]
  2795  		if !(clobberIfDead(x1)) {
  2796  			break
  2797  		}
  2798  		v.reset(OpARM64CMPshiftLL)
  2799  		v.AuxInt = int64ToAuxInt(c)
  2800  		v.AddArg2(x0, y)
  2801  		return true
  2802  	}
  2803  	// match: (CMP x0:(SLLconst [c] y) x1)
  2804  	// cond: clobberIfDead(x0)
  2805  	// result: (InvertFlags (CMPshiftLL x1 y [c]))
  2806  	for {
  2807  		x0 := v_0
  2808  		if x0.Op != OpARM64SLLconst {
  2809  			break
  2810  		}
  2811  		c := auxIntToInt64(x0.AuxInt)
  2812  		y := x0.Args[0]
  2813  		x1 := v_1
  2814  		if !(clobberIfDead(x0)) {
  2815  			break
  2816  		}
  2817  		v.reset(OpARM64InvertFlags)
  2818  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftLL, types.TypeFlags)
  2819  		v0.AuxInt = int64ToAuxInt(c)
  2820  		v0.AddArg2(x1, y)
  2821  		v.AddArg(v0)
  2822  		return true
  2823  	}
  2824  	// match: (CMP x0 x1:(SRLconst [c] y))
  2825  	// cond: clobberIfDead(x1)
  2826  	// result: (CMPshiftRL x0 y [c])
  2827  	for {
  2828  		x0 := v_0
  2829  		x1 := v_1
  2830  		if x1.Op != OpARM64SRLconst {
  2831  			break
  2832  		}
  2833  		c := auxIntToInt64(x1.AuxInt)
  2834  		y := x1.Args[0]
  2835  		if !(clobberIfDead(x1)) {
  2836  			break
  2837  		}
  2838  		v.reset(OpARM64CMPshiftRL)
  2839  		v.AuxInt = int64ToAuxInt(c)
  2840  		v.AddArg2(x0, y)
  2841  		return true
  2842  	}
  2843  	// match: (CMP x0:(SRLconst [c] y) x1)
  2844  	// cond: clobberIfDead(x0)
  2845  	// result: (InvertFlags (CMPshiftRL x1 y [c]))
  2846  	for {
  2847  		x0 := v_0
  2848  		if x0.Op != OpARM64SRLconst {
  2849  			break
  2850  		}
  2851  		c := auxIntToInt64(x0.AuxInt)
  2852  		y := x0.Args[0]
  2853  		x1 := v_1
  2854  		if !(clobberIfDead(x0)) {
  2855  			break
  2856  		}
  2857  		v.reset(OpARM64InvertFlags)
  2858  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRL, types.TypeFlags)
  2859  		v0.AuxInt = int64ToAuxInt(c)
  2860  		v0.AddArg2(x1, y)
  2861  		v.AddArg(v0)
  2862  		return true
  2863  	}
  2864  	// match: (CMP x0 x1:(SRAconst [c] y))
  2865  	// cond: clobberIfDead(x1)
  2866  	// result: (CMPshiftRA x0 y [c])
  2867  	for {
  2868  		x0 := v_0
  2869  		x1 := v_1
  2870  		if x1.Op != OpARM64SRAconst {
  2871  			break
  2872  		}
  2873  		c := auxIntToInt64(x1.AuxInt)
  2874  		y := x1.Args[0]
  2875  		if !(clobberIfDead(x1)) {
  2876  			break
  2877  		}
  2878  		v.reset(OpARM64CMPshiftRA)
  2879  		v.AuxInt = int64ToAuxInt(c)
  2880  		v.AddArg2(x0, y)
  2881  		return true
  2882  	}
  2883  	// match: (CMP x0:(SRAconst [c] y) x1)
  2884  	// cond: clobberIfDead(x0)
  2885  	// result: (InvertFlags (CMPshiftRA x1 y [c]))
  2886  	for {
  2887  		x0 := v_0
  2888  		if x0.Op != OpARM64SRAconst {
  2889  			break
  2890  		}
  2891  		c := auxIntToInt64(x0.AuxInt)
  2892  		y := x0.Args[0]
  2893  		x1 := v_1
  2894  		if !(clobberIfDead(x0)) {
  2895  			break
  2896  		}
  2897  		v.reset(OpARM64InvertFlags)
  2898  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRA, types.TypeFlags)
  2899  		v0.AuxInt = int64ToAuxInt(c)
  2900  		v0.AddArg2(x1, y)
  2901  		v.AddArg(v0)
  2902  		return true
  2903  	}
  2904  	return false
  2905  }
  2906  func rewriteValueARM64_OpARM64CMPW(v *Value) bool {
  2907  	v_1 := v.Args[1]
  2908  	v_0 := v.Args[0]
  2909  	b := v.Block
  2910  	// match: (CMPW x (MOVDconst [c]))
  2911  	// result: (CMPWconst [int32(c)] x)
  2912  	for {
  2913  		x := v_0
  2914  		if v_1.Op != OpARM64MOVDconst {
  2915  			break
  2916  		}
  2917  		c := auxIntToInt64(v_1.AuxInt)
  2918  		v.reset(OpARM64CMPWconst)
  2919  		v.AuxInt = int32ToAuxInt(int32(c))
  2920  		v.AddArg(x)
  2921  		return true
  2922  	}
  2923  	// match: (CMPW (MOVDconst [c]) x)
  2924  	// result: (InvertFlags (CMPWconst [int32(c)] x))
  2925  	for {
  2926  		if v_0.Op != OpARM64MOVDconst {
  2927  			break
  2928  		}
  2929  		c := auxIntToInt64(v_0.AuxInt)
  2930  		x := v_1
  2931  		v.reset(OpARM64InvertFlags)
  2932  		v0 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags)
  2933  		v0.AuxInt = int32ToAuxInt(int32(c))
  2934  		v0.AddArg(x)
  2935  		v.AddArg(v0)
  2936  		return true
  2937  	}
  2938  	// match: (CMPW x y)
  2939  	// cond: canonLessThan(x,y)
  2940  	// result: (InvertFlags (CMPW y x))
  2941  	for {
  2942  		x := v_0
  2943  		y := v_1
  2944  		if !(canonLessThan(x, y)) {
  2945  			break
  2946  		}
  2947  		v.reset(OpARM64InvertFlags)
  2948  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  2949  		v0.AddArg2(y, x)
  2950  		v.AddArg(v0)
  2951  		return true
  2952  	}
  2953  	return false
  2954  }
  2955  func rewriteValueARM64_OpARM64CMPWconst(v *Value) bool {
  2956  	v_0 := v.Args[0]
  2957  	// match: (CMPWconst [c] y)
  2958  	// cond: c < 0 && c != -1<<31
  2959  	// result: (CMNWconst [-c] y)
  2960  	for {
  2961  		c := auxIntToInt32(v.AuxInt)
  2962  		y := v_0
  2963  		if !(c < 0 && c != -1<<31) {
  2964  			break
  2965  		}
  2966  		v.reset(OpARM64CMNWconst)
  2967  		v.AuxInt = int32ToAuxInt(-c)
  2968  		v.AddArg(y)
  2969  		return true
  2970  	}
  2971  	// match: (CMPWconst (MOVDconst [x]) [y])
  2972  	// result: (FlagConstant [subFlags32(int32(x),y)])
  2973  	for {
  2974  		y := auxIntToInt32(v.AuxInt)
  2975  		if v_0.Op != OpARM64MOVDconst {
  2976  			break
  2977  		}
  2978  		x := auxIntToInt64(v_0.AuxInt)
  2979  		v.reset(OpARM64FlagConstant)
  2980  		v.AuxInt = flagConstantToAuxInt(subFlags32(int32(x), y))
  2981  		return true
  2982  	}
  2983  	// match: (CMPWconst (MOVBUreg _) [c])
  2984  	// cond: 0xff < c
  2985  	// result: (FlagConstant [subFlags64(0,1)])
  2986  	for {
  2987  		c := auxIntToInt32(v.AuxInt)
  2988  		if v_0.Op != OpARM64MOVBUreg || !(0xff < c) {
  2989  			break
  2990  		}
  2991  		v.reset(OpARM64FlagConstant)
  2992  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  2993  		return true
  2994  	}
  2995  	// match: (CMPWconst (MOVHUreg _) [c])
  2996  	// cond: 0xffff < c
  2997  	// result: (FlagConstant [subFlags64(0,1)])
  2998  	for {
  2999  		c := auxIntToInt32(v.AuxInt)
  3000  		if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) {
  3001  			break
  3002  		}
  3003  		v.reset(OpARM64FlagConstant)
  3004  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3005  		return true
  3006  	}
  3007  	return false
  3008  }
  3009  func rewriteValueARM64_OpARM64CMPconst(v *Value) bool {
  3010  	v_0 := v.Args[0]
  3011  	// match: (CMPconst [c] y)
  3012  	// cond: c < 0 && c != -1<<63
  3013  	// result: (CMNconst [-c] y)
  3014  	for {
  3015  		c := auxIntToInt64(v.AuxInt)
  3016  		y := v_0
  3017  		if !(c < 0 && c != -1<<63) {
  3018  			break
  3019  		}
  3020  		v.reset(OpARM64CMNconst)
  3021  		v.AuxInt = int64ToAuxInt(-c)
  3022  		v.AddArg(y)
  3023  		return true
  3024  	}
  3025  	// match: (CMPconst (MOVDconst [x]) [y])
  3026  	// result: (FlagConstant [subFlags64(x,y)])
  3027  	for {
  3028  		y := auxIntToInt64(v.AuxInt)
  3029  		if v_0.Op != OpARM64MOVDconst {
  3030  			break
  3031  		}
  3032  		x := auxIntToInt64(v_0.AuxInt)
  3033  		v.reset(OpARM64FlagConstant)
  3034  		v.AuxInt = flagConstantToAuxInt(subFlags64(x, y))
  3035  		return true
  3036  	}
  3037  	// match: (CMPconst (MOVBUreg _) [c])
  3038  	// cond: 0xff < c
  3039  	// result: (FlagConstant [subFlags64(0,1)])
  3040  	for {
  3041  		c := auxIntToInt64(v.AuxInt)
  3042  		if v_0.Op != OpARM64MOVBUreg || !(0xff < c) {
  3043  			break
  3044  		}
  3045  		v.reset(OpARM64FlagConstant)
  3046  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3047  		return true
  3048  	}
  3049  	// match: (CMPconst (MOVHUreg _) [c])
  3050  	// cond: 0xffff < c
  3051  	// result: (FlagConstant [subFlags64(0,1)])
  3052  	for {
  3053  		c := auxIntToInt64(v.AuxInt)
  3054  		if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) {
  3055  			break
  3056  		}
  3057  		v.reset(OpARM64FlagConstant)
  3058  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3059  		return true
  3060  	}
  3061  	// match: (CMPconst (MOVWUreg _) [c])
  3062  	// cond: 0xffffffff < c
  3063  	// result: (FlagConstant [subFlags64(0,1)])
  3064  	for {
  3065  		c := auxIntToInt64(v.AuxInt)
  3066  		if v_0.Op != OpARM64MOVWUreg || !(0xffffffff < c) {
  3067  			break
  3068  		}
  3069  		v.reset(OpARM64FlagConstant)
  3070  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3071  		return true
  3072  	}
  3073  	// match: (CMPconst (ANDconst _ [m]) [n])
  3074  	// cond: 0 <= m && m < n
  3075  	// result: (FlagConstant [subFlags64(0,1)])
  3076  	for {
  3077  		n := auxIntToInt64(v.AuxInt)
  3078  		if v_0.Op != OpARM64ANDconst {
  3079  			break
  3080  		}
  3081  		m := auxIntToInt64(v_0.AuxInt)
  3082  		if !(0 <= m && m < n) {
  3083  			break
  3084  		}
  3085  		v.reset(OpARM64FlagConstant)
  3086  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3087  		return true
  3088  	}
  3089  	// match: (CMPconst (SRLconst _ [c]) [n])
  3090  	// cond: 0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n)
  3091  	// result: (FlagConstant [subFlags64(0,1)])
  3092  	for {
  3093  		n := auxIntToInt64(v.AuxInt)
  3094  		if v_0.Op != OpARM64SRLconst {
  3095  			break
  3096  		}
  3097  		c := auxIntToInt64(v_0.AuxInt)
  3098  		if !(0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n)) {
  3099  			break
  3100  		}
  3101  		v.reset(OpARM64FlagConstant)
  3102  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3103  		return true
  3104  	}
  3105  	return false
  3106  }
  3107  func rewriteValueARM64_OpARM64CMPshiftLL(v *Value) bool {
  3108  	v_1 := v.Args[1]
  3109  	v_0 := v.Args[0]
  3110  	b := v.Block
  3111  	// match: (CMPshiftLL (MOVDconst [c]) x [d])
  3112  	// result: (InvertFlags (CMPconst [c] (SLLconst <x.Type> x [d])))
  3113  	for {
  3114  		d := auxIntToInt64(v.AuxInt)
  3115  		if v_0.Op != OpARM64MOVDconst {
  3116  			break
  3117  		}
  3118  		c := auxIntToInt64(v_0.AuxInt)
  3119  		x := v_1
  3120  		v.reset(OpARM64InvertFlags)
  3121  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  3122  		v0.AuxInt = int64ToAuxInt(c)
  3123  		v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  3124  		v1.AuxInt = int64ToAuxInt(d)
  3125  		v1.AddArg(x)
  3126  		v0.AddArg(v1)
  3127  		v.AddArg(v0)
  3128  		return true
  3129  	}
  3130  	// match: (CMPshiftLL x (MOVDconst [c]) [d])
  3131  	// result: (CMPconst x [int64(uint64(c)<<uint64(d))])
  3132  	for {
  3133  		d := auxIntToInt64(v.AuxInt)
  3134  		x := v_0
  3135  		if v_1.Op != OpARM64MOVDconst {
  3136  			break
  3137  		}
  3138  		c := auxIntToInt64(v_1.AuxInt)
  3139  		v.reset(OpARM64CMPconst)
  3140  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  3141  		v.AddArg(x)
  3142  		return true
  3143  	}
  3144  	return false
  3145  }
  3146  func rewriteValueARM64_OpARM64CMPshiftRA(v *Value) bool {
  3147  	v_1 := v.Args[1]
  3148  	v_0 := v.Args[0]
  3149  	b := v.Block
  3150  	// match: (CMPshiftRA (MOVDconst [c]) x [d])
  3151  	// result: (InvertFlags (CMPconst [c] (SRAconst <x.Type> x [d])))
  3152  	for {
  3153  		d := auxIntToInt64(v.AuxInt)
  3154  		if v_0.Op != OpARM64MOVDconst {
  3155  			break
  3156  		}
  3157  		c := auxIntToInt64(v_0.AuxInt)
  3158  		x := v_1
  3159  		v.reset(OpARM64InvertFlags)
  3160  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  3161  		v0.AuxInt = int64ToAuxInt(c)
  3162  		v1 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  3163  		v1.AuxInt = int64ToAuxInt(d)
  3164  		v1.AddArg(x)
  3165  		v0.AddArg(v1)
  3166  		v.AddArg(v0)
  3167  		return true
  3168  	}
  3169  	// match: (CMPshiftRA x (MOVDconst [c]) [d])
  3170  	// result: (CMPconst x [c>>uint64(d)])
  3171  	for {
  3172  		d := auxIntToInt64(v.AuxInt)
  3173  		x := v_0
  3174  		if v_1.Op != OpARM64MOVDconst {
  3175  			break
  3176  		}
  3177  		c := auxIntToInt64(v_1.AuxInt)
  3178  		v.reset(OpARM64CMPconst)
  3179  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  3180  		v.AddArg(x)
  3181  		return true
  3182  	}
  3183  	return false
  3184  }
  3185  func rewriteValueARM64_OpARM64CMPshiftRL(v *Value) bool {
  3186  	v_1 := v.Args[1]
  3187  	v_0 := v.Args[0]
  3188  	b := v.Block
  3189  	// match: (CMPshiftRL (MOVDconst [c]) x [d])
  3190  	// result: (InvertFlags (CMPconst [c] (SRLconst <x.Type> x [d])))
  3191  	for {
  3192  		d := auxIntToInt64(v.AuxInt)
  3193  		if v_0.Op != OpARM64MOVDconst {
  3194  			break
  3195  		}
  3196  		c := auxIntToInt64(v_0.AuxInt)
  3197  		x := v_1
  3198  		v.reset(OpARM64InvertFlags)
  3199  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  3200  		v0.AuxInt = int64ToAuxInt(c)
  3201  		v1 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  3202  		v1.AuxInt = int64ToAuxInt(d)
  3203  		v1.AddArg(x)
  3204  		v0.AddArg(v1)
  3205  		v.AddArg(v0)
  3206  		return true
  3207  	}
  3208  	// match: (CMPshiftRL x (MOVDconst [c]) [d])
  3209  	// result: (CMPconst x [int64(uint64(c)>>uint64(d))])
  3210  	for {
  3211  		d := auxIntToInt64(v.AuxInt)
  3212  		x := v_0
  3213  		if v_1.Op != OpARM64MOVDconst {
  3214  			break
  3215  		}
  3216  		c := auxIntToInt64(v_1.AuxInt)
  3217  		v.reset(OpARM64CMPconst)
  3218  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  3219  		v.AddArg(x)
  3220  		return true
  3221  	}
  3222  	return false
  3223  }
  3224  func rewriteValueARM64_OpARM64CSEL(v *Value) bool {
  3225  	v_2 := v.Args[2]
  3226  	v_1 := v.Args[1]
  3227  	v_0 := v.Args[0]
  3228  	// match: (CSEL [cc] (MOVDconst [-1]) (MOVDconst [0]) flag)
  3229  	// result: (CSETM [cc] flag)
  3230  	for {
  3231  		cc := auxIntToOp(v.AuxInt)
  3232  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != -1 || v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  3233  			break
  3234  		}
  3235  		flag := v_2
  3236  		v.reset(OpARM64CSETM)
  3237  		v.AuxInt = opToAuxInt(cc)
  3238  		v.AddArg(flag)
  3239  		return true
  3240  	}
  3241  	// match: (CSEL [cc] (MOVDconst [0]) (MOVDconst [-1]) flag)
  3242  	// result: (CSETM [arm64Negate(cc)] flag)
  3243  	for {
  3244  		cc := auxIntToOp(v.AuxInt)
  3245  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 || v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  3246  			break
  3247  		}
  3248  		flag := v_2
  3249  		v.reset(OpARM64CSETM)
  3250  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3251  		v.AddArg(flag)
  3252  		return true
  3253  	}
  3254  	// match: (CSEL [cc] x (MOVDconst [0]) flag)
  3255  	// result: (CSEL0 [cc] x flag)
  3256  	for {
  3257  		cc := auxIntToOp(v.AuxInt)
  3258  		x := v_0
  3259  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  3260  			break
  3261  		}
  3262  		flag := v_2
  3263  		v.reset(OpARM64CSEL0)
  3264  		v.AuxInt = opToAuxInt(cc)
  3265  		v.AddArg2(x, flag)
  3266  		return true
  3267  	}
  3268  	// match: (CSEL [cc] (MOVDconst [0]) y flag)
  3269  	// result: (CSEL0 [arm64Negate(cc)] y flag)
  3270  	for {
  3271  		cc := auxIntToOp(v.AuxInt)
  3272  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 {
  3273  			break
  3274  		}
  3275  		y := v_1
  3276  		flag := v_2
  3277  		v.reset(OpARM64CSEL0)
  3278  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3279  		v.AddArg2(y, flag)
  3280  		return true
  3281  	}
  3282  	// match: (CSEL [cc] x (ADDconst [1] a) flag)
  3283  	// result: (CSINC [cc] x a flag)
  3284  	for {
  3285  		cc := auxIntToOp(v.AuxInt)
  3286  		x := v_0
  3287  		if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  3288  			break
  3289  		}
  3290  		a := v_1.Args[0]
  3291  		flag := v_2
  3292  		v.reset(OpARM64CSINC)
  3293  		v.AuxInt = opToAuxInt(cc)
  3294  		v.AddArg3(x, a, flag)
  3295  		return true
  3296  	}
  3297  	// match: (CSEL [cc] (ADDconst [1] a) x flag)
  3298  	// result: (CSINC [arm64Negate(cc)] x a flag)
  3299  	for {
  3300  		cc := auxIntToOp(v.AuxInt)
  3301  		if v_0.Op != OpARM64ADDconst || auxIntToInt64(v_0.AuxInt) != 1 {
  3302  			break
  3303  		}
  3304  		a := v_0.Args[0]
  3305  		x := v_1
  3306  		flag := v_2
  3307  		v.reset(OpARM64CSINC)
  3308  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3309  		v.AddArg3(x, a, flag)
  3310  		return true
  3311  	}
  3312  	// match: (CSEL [cc] x (MVN a) flag)
  3313  	// result: (CSINV [cc] x a flag)
  3314  	for {
  3315  		cc := auxIntToOp(v.AuxInt)
  3316  		x := v_0
  3317  		if v_1.Op != OpARM64MVN {
  3318  			break
  3319  		}
  3320  		a := v_1.Args[0]
  3321  		flag := v_2
  3322  		v.reset(OpARM64CSINV)
  3323  		v.AuxInt = opToAuxInt(cc)
  3324  		v.AddArg3(x, a, flag)
  3325  		return true
  3326  	}
  3327  	// match: (CSEL [cc] (MVN a) x flag)
  3328  	// result: (CSINV [arm64Negate(cc)] x a flag)
  3329  	for {
  3330  		cc := auxIntToOp(v.AuxInt)
  3331  		if v_0.Op != OpARM64MVN {
  3332  			break
  3333  		}
  3334  		a := v_0.Args[0]
  3335  		x := v_1
  3336  		flag := v_2
  3337  		v.reset(OpARM64CSINV)
  3338  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3339  		v.AddArg3(x, a, flag)
  3340  		return true
  3341  	}
  3342  	// match: (CSEL [cc] x (NEG a) flag)
  3343  	// result: (CSNEG [cc] x a flag)
  3344  	for {
  3345  		cc := auxIntToOp(v.AuxInt)
  3346  		x := v_0
  3347  		if v_1.Op != OpARM64NEG {
  3348  			break
  3349  		}
  3350  		a := v_1.Args[0]
  3351  		flag := v_2
  3352  		v.reset(OpARM64CSNEG)
  3353  		v.AuxInt = opToAuxInt(cc)
  3354  		v.AddArg3(x, a, flag)
  3355  		return true
  3356  	}
  3357  	// match: (CSEL [cc] (NEG a) x flag)
  3358  	// result: (CSNEG [arm64Negate(cc)] x a flag)
  3359  	for {
  3360  		cc := auxIntToOp(v.AuxInt)
  3361  		if v_0.Op != OpARM64NEG {
  3362  			break
  3363  		}
  3364  		a := v_0.Args[0]
  3365  		x := v_1
  3366  		flag := v_2
  3367  		v.reset(OpARM64CSNEG)
  3368  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3369  		v.AddArg3(x, a, flag)
  3370  		return true
  3371  	}
  3372  	// match: (CSEL [cc] x y (InvertFlags cmp))
  3373  	// result: (CSEL [arm64Invert(cc)] x y cmp)
  3374  	for {
  3375  		cc := auxIntToOp(v.AuxInt)
  3376  		x := v_0
  3377  		y := v_1
  3378  		if v_2.Op != OpARM64InvertFlags {
  3379  			break
  3380  		}
  3381  		cmp := v_2.Args[0]
  3382  		v.reset(OpARM64CSEL)
  3383  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3384  		v.AddArg3(x, y, cmp)
  3385  		return true
  3386  	}
  3387  	// match: (CSEL [cc] x _ flag)
  3388  	// cond: ccARM64Eval(cc, flag) > 0
  3389  	// result: x
  3390  	for {
  3391  		cc := auxIntToOp(v.AuxInt)
  3392  		x := v_0
  3393  		flag := v_2
  3394  		if !(ccARM64Eval(cc, flag) > 0) {
  3395  			break
  3396  		}
  3397  		v.copyOf(x)
  3398  		return true
  3399  	}
  3400  	// match: (CSEL [cc] _ y flag)
  3401  	// cond: ccARM64Eval(cc, flag) < 0
  3402  	// result: y
  3403  	for {
  3404  		cc := auxIntToOp(v.AuxInt)
  3405  		y := v_1
  3406  		flag := v_2
  3407  		if !(ccARM64Eval(cc, flag) < 0) {
  3408  			break
  3409  		}
  3410  		v.copyOf(y)
  3411  		return true
  3412  	}
  3413  	// match: (CSEL [cc] x y (CMPWconst [0] boolval))
  3414  	// cond: cc == OpARM64NotEqual && flagArg(boolval) != nil
  3415  	// result: (CSEL [boolval.Op] x y flagArg(boolval))
  3416  	for {
  3417  		cc := auxIntToOp(v.AuxInt)
  3418  		x := v_0
  3419  		y := v_1
  3420  		if v_2.Op != OpARM64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 {
  3421  			break
  3422  		}
  3423  		boolval := v_2.Args[0]
  3424  		if !(cc == OpARM64NotEqual && flagArg(boolval) != nil) {
  3425  			break
  3426  		}
  3427  		v.reset(OpARM64CSEL)
  3428  		v.AuxInt = opToAuxInt(boolval.Op)
  3429  		v.AddArg3(x, y, flagArg(boolval))
  3430  		return true
  3431  	}
  3432  	// match: (CSEL [cc] x y (CMPWconst [0] boolval))
  3433  	// cond: cc == OpARM64Equal && flagArg(boolval) != nil
  3434  	// result: (CSEL [arm64Negate(boolval.Op)] x y flagArg(boolval))
  3435  	for {
  3436  		cc := auxIntToOp(v.AuxInt)
  3437  		x := v_0
  3438  		y := v_1
  3439  		if v_2.Op != OpARM64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 {
  3440  			break
  3441  		}
  3442  		boolval := v_2.Args[0]
  3443  		if !(cc == OpARM64Equal && flagArg(boolval) != nil) {
  3444  			break
  3445  		}
  3446  		v.reset(OpARM64CSEL)
  3447  		v.AuxInt = opToAuxInt(arm64Negate(boolval.Op))
  3448  		v.AddArg3(x, y, flagArg(boolval))
  3449  		return true
  3450  	}
  3451  	return false
  3452  }
  3453  func rewriteValueARM64_OpARM64CSEL0(v *Value) bool {
  3454  	v_1 := v.Args[1]
  3455  	v_0 := v.Args[0]
  3456  	// match: (CSEL0 [cc] x (InvertFlags cmp))
  3457  	// result: (CSEL0 [arm64Invert(cc)] x cmp)
  3458  	for {
  3459  		cc := auxIntToOp(v.AuxInt)
  3460  		x := v_0
  3461  		if v_1.Op != OpARM64InvertFlags {
  3462  			break
  3463  		}
  3464  		cmp := v_1.Args[0]
  3465  		v.reset(OpARM64CSEL0)
  3466  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3467  		v.AddArg2(x, cmp)
  3468  		return true
  3469  	}
  3470  	// match: (CSEL0 [cc] x flag)
  3471  	// cond: ccARM64Eval(cc, flag) > 0
  3472  	// result: x
  3473  	for {
  3474  		cc := auxIntToOp(v.AuxInt)
  3475  		x := v_0
  3476  		flag := v_1
  3477  		if !(ccARM64Eval(cc, flag) > 0) {
  3478  			break
  3479  		}
  3480  		v.copyOf(x)
  3481  		return true
  3482  	}
  3483  	// match: (CSEL0 [cc] _ flag)
  3484  	// cond: ccARM64Eval(cc, flag) < 0
  3485  	// result: (MOVDconst [0])
  3486  	for {
  3487  		cc := auxIntToOp(v.AuxInt)
  3488  		flag := v_1
  3489  		if !(ccARM64Eval(cc, flag) < 0) {
  3490  			break
  3491  		}
  3492  		v.reset(OpARM64MOVDconst)
  3493  		v.AuxInt = int64ToAuxInt(0)
  3494  		return true
  3495  	}
  3496  	// match: (CSEL0 [cc] x (CMPWconst [0] boolval))
  3497  	// cond: cc == OpARM64NotEqual && flagArg(boolval) != nil
  3498  	// result: (CSEL0 [boolval.Op] x flagArg(boolval))
  3499  	for {
  3500  		cc := auxIntToOp(v.AuxInt)
  3501  		x := v_0
  3502  		if v_1.Op != OpARM64CMPWconst || auxIntToInt32(v_1.AuxInt) != 0 {
  3503  			break
  3504  		}
  3505  		boolval := v_1.Args[0]
  3506  		if !(cc == OpARM64NotEqual && flagArg(boolval) != nil) {
  3507  			break
  3508  		}
  3509  		v.reset(OpARM64CSEL0)
  3510  		v.AuxInt = opToAuxInt(boolval.Op)
  3511  		v.AddArg2(x, flagArg(boolval))
  3512  		return true
  3513  	}
  3514  	// match: (CSEL0 [cc] x (CMPWconst [0] boolval))
  3515  	// cond: cc == OpARM64Equal && flagArg(boolval) != nil
  3516  	// result: (CSEL0 [arm64Negate(boolval.Op)] x flagArg(boolval))
  3517  	for {
  3518  		cc := auxIntToOp(v.AuxInt)
  3519  		x := v_0
  3520  		if v_1.Op != OpARM64CMPWconst || auxIntToInt32(v_1.AuxInt) != 0 {
  3521  			break
  3522  		}
  3523  		boolval := v_1.Args[0]
  3524  		if !(cc == OpARM64Equal && flagArg(boolval) != nil) {
  3525  			break
  3526  		}
  3527  		v.reset(OpARM64CSEL0)
  3528  		v.AuxInt = opToAuxInt(arm64Negate(boolval.Op))
  3529  		v.AddArg2(x, flagArg(boolval))
  3530  		return true
  3531  	}
  3532  	return false
  3533  }
  3534  func rewriteValueARM64_OpARM64CSETM(v *Value) bool {
  3535  	v_0 := v.Args[0]
  3536  	// match: (CSETM [cc] (InvertFlags cmp))
  3537  	// result: (CSETM [arm64Invert(cc)] cmp)
  3538  	for {
  3539  		cc := auxIntToOp(v.AuxInt)
  3540  		if v_0.Op != OpARM64InvertFlags {
  3541  			break
  3542  		}
  3543  		cmp := v_0.Args[0]
  3544  		v.reset(OpARM64CSETM)
  3545  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3546  		v.AddArg(cmp)
  3547  		return true
  3548  	}
  3549  	// match: (CSETM [cc] flag)
  3550  	// cond: ccARM64Eval(cc, flag) > 0
  3551  	// result: (MOVDconst [-1])
  3552  	for {
  3553  		cc := auxIntToOp(v.AuxInt)
  3554  		flag := v_0
  3555  		if !(ccARM64Eval(cc, flag) > 0) {
  3556  			break
  3557  		}
  3558  		v.reset(OpARM64MOVDconst)
  3559  		v.AuxInt = int64ToAuxInt(-1)
  3560  		return true
  3561  	}
  3562  	// match: (CSETM [cc] flag)
  3563  	// cond: ccARM64Eval(cc, flag) < 0
  3564  	// result: (MOVDconst [0])
  3565  	for {
  3566  		cc := auxIntToOp(v.AuxInt)
  3567  		flag := v_0
  3568  		if !(ccARM64Eval(cc, flag) < 0) {
  3569  			break
  3570  		}
  3571  		v.reset(OpARM64MOVDconst)
  3572  		v.AuxInt = int64ToAuxInt(0)
  3573  		return true
  3574  	}
  3575  	return false
  3576  }
  3577  func rewriteValueARM64_OpARM64CSINC(v *Value) bool {
  3578  	v_2 := v.Args[2]
  3579  	v_1 := v.Args[1]
  3580  	v_0 := v.Args[0]
  3581  	// match: (CSINC [cc] x y (InvertFlags cmp))
  3582  	// result: (CSINC [arm64Invert(cc)] x y cmp)
  3583  	for {
  3584  		cc := auxIntToOp(v.AuxInt)
  3585  		x := v_0
  3586  		y := v_1
  3587  		if v_2.Op != OpARM64InvertFlags {
  3588  			break
  3589  		}
  3590  		cmp := v_2.Args[0]
  3591  		v.reset(OpARM64CSINC)
  3592  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3593  		v.AddArg3(x, y, cmp)
  3594  		return true
  3595  	}
  3596  	// match: (CSINC [cc] x _ flag)
  3597  	// cond: ccARM64Eval(cc, flag) > 0
  3598  	// result: x
  3599  	for {
  3600  		cc := auxIntToOp(v.AuxInt)
  3601  		x := v_0
  3602  		flag := v_2
  3603  		if !(ccARM64Eval(cc, flag) > 0) {
  3604  			break
  3605  		}
  3606  		v.copyOf(x)
  3607  		return true
  3608  	}
  3609  	// match: (CSINC [cc] _ y flag)
  3610  	// cond: ccARM64Eval(cc, flag) < 0
  3611  	// result: (ADDconst [1] y)
  3612  	for {
  3613  		cc := auxIntToOp(v.AuxInt)
  3614  		y := v_1
  3615  		flag := v_2
  3616  		if !(ccARM64Eval(cc, flag) < 0) {
  3617  			break
  3618  		}
  3619  		v.reset(OpARM64ADDconst)
  3620  		v.AuxInt = int64ToAuxInt(1)
  3621  		v.AddArg(y)
  3622  		return true
  3623  	}
  3624  	return false
  3625  }
  3626  func rewriteValueARM64_OpARM64CSINV(v *Value) bool {
  3627  	v_2 := v.Args[2]
  3628  	v_1 := v.Args[1]
  3629  	v_0 := v.Args[0]
  3630  	// match: (CSINV [cc] x y (InvertFlags cmp))
  3631  	// result: (CSINV [arm64Invert(cc)] x y cmp)
  3632  	for {
  3633  		cc := auxIntToOp(v.AuxInt)
  3634  		x := v_0
  3635  		y := v_1
  3636  		if v_2.Op != OpARM64InvertFlags {
  3637  			break
  3638  		}
  3639  		cmp := v_2.Args[0]
  3640  		v.reset(OpARM64CSINV)
  3641  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3642  		v.AddArg3(x, y, cmp)
  3643  		return true
  3644  	}
  3645  	// match: (CSINV [cc] x _ flag)
  3646  	// cond: ccARM64Eval(cc, flag) > 0
  3647  	// result: x
  3648  	for {
  3649  		cc := auxIntToOp(v.AuxInt)
  3650  		x := v_0
  3651  		flag := v_2
  3652  		if !(ccARM64Eval(cc, flag) > 0) {
  3653  			break
  3654  		}
  3655  		v.copyOf(x)
  3656  		return true
  3657  	}
  3658  	// match: (CSINV [cc] _ y flag)
  3659  	// cond: ccARM64Eval(cc, flag) < 0
  3660  	// result: (Not y)
  3661  	for {
  3662  		cc := auxIntToOp(v.AuxInt)
  3663  		y := v_1
  3664  		flag := v_2
  3665  		if !(ccARM64Eval(cc, flag) < 0) {
  3666  			break
  3667  		}
  3668  		v.reset(OpNot)
  3669  		v.AddArg(y)
  3670  		return true
  3671  	}
  3672  	return false
  3673  }
  3674  func rewriteValueARM64_OpARM64CSNEG(v *Value) bool {
  3675  	v_2 := v.Args[2]
  3676  	v_1 := v.Args[1]
  3677  	v_0 := v.Args[0]
  3678  	// match: (CSNEG [cc] x y (InvertFlags cmp))
  3679  	// result: (CSNEG [arm64Invert(cc)] x y cmp)
  3680  	for {
  3681  		cc := auxIntToOp(v.AuxInt)
  3682  		x := v_0
  3683  		y := v_1
  3684  		if v_2.Op != OpARM64InvertFlags {
  3685  			break
  3686  		}
  3687  		cmp := v_2.Args[0]
  3688  		v.reset(OpARM64CSNEG)
  3689  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3690  		v.AddArg3(x, y, cmp)
  3691  		return true
  3692  	}
  3693  	// match: (CSNEG [cc] x _ flag)
  3694  	// cond: ccARM64Eval(cc, flag) > 0
  3695  	// result: x
  3696  	for {
  3697  		cc := auxIntToOp(v.AuxInt)
  3698  		x := v_0
  3699  		flag := v_2
  3700  		if !(ccARM64Eval(cc, flag) > 0) {
  3701  			break
  3702  		}
  3703  		v.copyOf(x)
  3704  		return true
  3705  	}
  3706  	// match: (CSNEG [cc] _ y flag)
  3707  	// cond: ccARM64Eval(cc, flag) < 0
  3708  	// result: (NEG y)
  3709  	for {
  3710  		cc := auxIntToOp(v.AuxInt)
  3711  		y := v_1
  3712  		flag := v_2
  3713  		if !(ccARM64Eval(cc, flag) < 0) {
  3714  			break
  3715  		}
  3716  		v.reset(OpARM64NEG)
  3717  		v.AddArg(y)
  3718  		return true
  3719  	}
  3720  	return false
  3721  }
  3722  func rewriteValueARM64_OpARM64DIV(v *Value) bool {
  3723  	v_1 := v.Args[1]
  3724  	v_0 := v.Args[0]
  3725  	// match: (DIV (MOVDconst [c]) (MOVDconst [d]))
  3726  	// cond: d != 0
  3727  	// result: (MOVDconst [c/d])
  3728  	for {
  3729  		if v_0.Op != OpARM64MOVDconst {
  3730  			break
  3731  		}
  3732  		c := auxIntToInt64(v_0.AuxInt)
  3733  		if v_1.Op != OpARM64MOVDconst {
  3734  			break
  3735  		}
  3736  		d := auxIntToInt64(v_1.AuxInt)
  3737  		if !(d != 0) {
  3738  			break
  3739  		}
  3740  		v.reset(OpARM64MOVDconst)
  3741  		v.AuxInt = int64ToAuxInt(c / d)
  3742  		return true
  3743  	}
  3744  	return false
  3745  }
  3746  func rewriteValueARM64_OpARM64DIVW(v *Value) bool {
  3747  	v_1 := v.Args[1]
  3748  	v_0 := v.Args[0]
  3749  	// match: (DIVW (MOVDconst [c]) (MOVDconst [d]))
  3750  	// cond: d != 0
  3751  	// result: (MOVDconst [int64(uint32(int32(c)/int32(d)))])
  3752  	for {
  3753  		if v_0.Op != OpARM64MOVDconst {
  3754  			break
  3755  		}
  3756  		c := auxIntToInt64(v_0.AuxInt)
  3757  		if v_1.Op != OpARM64MOVDconst {
  3758  			break
  3759  		}
  3760  		d := auxIntToInt64(v_1.AuxInt)
  3761  		if !(d != 0) {
  3762  			break
  3763  		}
  3764  		v.reset(OpARM64MOVDconst)
  3765  		v.AuxInt = int64ToAuxInt(int64(uint32(int32(c) / int32(d))))
  3766  		return true
  3767  	}
  3768  	return false
  3769  }
  3770  func rewriteValueARM64_OpARM64EON(v *Value) bool {
  3771  	v_1 := v.Args[1]
  3772  	v_0 := v.Args[0]
  3773  	// match: (EON x (MOVDconst [c]))
  3774  	// result: (XORconst [^c] x)
  3775  	for {
  3776  		x := v_0
  3777  		if v_1.Op != OpARM64MOVDconst {
  3778  			break
  3779  		}
  3780  		c := auxIntToInt64(v_1.AuxInt)
  3781  		v.reset(OpARM64XORconst)
  3782  		v.AuxInt = int64ToAuxInt(^c)
  3783  		v.AddArg(x)
  3784  		return true
  3785  	}
  3786  	// match: (EON x x)
  3787  	// result: (MOVDconst [-1])
  3788  	for {
  3789  		x := v_0
  3790  		if x != v_1 {
  3791  			break
  3792  		}
  3793  		v.reset(OpARM64MOVDconst)
  3794  		v.AuxInt = int64ToAuxInt(-1)
  3795  		return true
  3796  	}
  3797  	// match: (EON x0 x1:(SLLconst [c] y))
  3798  	// cond: clobberIfDead(x1)
  3799  	// result: (EONshiftLL x0 y [c])
  3800  	for {
  3801  		x0 := v_0
  3802  		x1 := v_1
  3803  		if x1.Op != OpARM64SLLconst {
  3804  			break
  3805  		}
  3806  		c := auxIntToInt64(x1.AuxInt)
  3807  		y := x1.Args[0]
  3808  		if !(clobberIfDead(x1)) {
  3809  			break
  3810  		}
  3811  		v.reset(OpARM64EONshiftLL)
  3812  		v.AuxInt = int64ToAuxInt(c)
  3813  		v.AddArg2(x0, y)
  3814  		return true
  3815  	}
  3816  	// match: (EON x0 x1:(SRLconst [c] y))
  3817  	// cond: clobberIfDead(x1)
  3818  	// result: (EONshiftRL x0 y [c])
  3819  	for {
  3820  		x0 := v_0
  3821  		x1 := v_1
  3822  		if x1.Op != OpARM64SRLconst {
  3823  			break
  3824  		}
  3825  		c := auxIntToInt64(x1.AuxInt)
  3826  		y := x1.Args[0]
  3827  		if !(clobberIfDead(x1)) {
  3828  			break
  3829  		}
  3830  		v.reset(OpARM64EONshiftRL)
  3831  		v.AuxInt = int64ToAuxInt(c)
  3832  		v.AddArg2(x0, y)
  3833  		return true
  3834  	}
  3835  	// match: (EON x0 x1:(SRAconst [c] y))
  3836  	// cond: clobberIfDead(x1)
  3837  	// result: (EONshiftRA x0 y [c])
  3838  	for {
  3839  		x0 := v_0
  3840  		x1 := v_1
  3841  		if x1.Op != OpARM64SRAconst {
  3842  			break
  3843  		}
  3844  		c := auxIntToInt64(x1.AuxInt)
  3845  		y := x1.Args[0]
  3846  		if !(clobberIfDead(x1)) {
  3847  			break
  3848  		}
  3849  		v.reset(OpARM64EONshiftRA)
  3850  		v.AuxInt = int64ToAuxInt(c)
  3851  		v.AddArg2(x0, y)
  3852  		return true
  3853  	}
  3854  	// match: (EON x0 x1:(RORconst [c] y))
  3855  	// cond: clobberIfDead(x1)
  3856  	// result: (EONshiftRO x0 y [c])
  3857  	for {
  3858  		x0 := v_0
  3859  		x1 := v_1
  3860  		if x1.Op != OpARM64RORconst {
  3861  			break
  3862  		}
  3863  		c := auxIntToInt64(x1.AuxInt)
  3864  		y := x1.Args[0]
  3865  		if !(clobberIfDead(x1)) {
  3866  			break
  3867  		}
  3868  		v.reset(OpARM64EONshiftRO)
  3869  		v.AuxInt = int64ToAuxInt(c)
  3870  		v.AddArg2(x0, y)
  3871  		return true
  3872  	}
  3873  	return false
  3874  }
  3875  func rewriteValueARM64_OpARM64EONshiftLL(v *Value) bool {
  3876  	v_1 := v.Args[1]
  3877  	v_0 := v.Args[0]
  3878  	// match: (EONshiftLL x (MOVDconst [c]) [d])
  3879  	// result: (XORconst x [^int64(uint64(c)<<uint64(d))])
  3880  	for {
  3881  		d := auxIntToInt64(v.AuxInt)
  3882  		x := v_0
  3883  		if v_1.Op != OpARM64MOVDconst {
  3884  			break
  3885  		}
  3886  		c := auxIntToInt64(v_1.AuxInt)
  3887  		v.reset(OpARM64XORconst)
  3888  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
  3889  		v.AddArg(x)
  3890  		return true
  3891  	}
  3892  	// match: (EONshiftLL (SLLconst x [c]) x [c])
  3893  	// result: (MOVDconst [-1])
  3894  	for {
  3895  		c := auxIntToInt64(v.AuxInt)
  3896  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
  3897  			break
  3898  		}
  3899  		x := v_0.Args[0]
  3900  		if x != v_1 {
  3901  			break
  3902  		}
  3903  		v.reset(OpARM64MOVDconst)
  3904  		v.AuxInt = int64ToAuxInt(-1)
  3905  		return true
  3906  	}
  3907  	return false
  3908  }
  3909  func rewriteValueARM64_OpARM64EONshiftRA(v *Value) bool {
  3910  	v_1 := v.Args[1]
  3911  	v_0 := v.Args[0]
  3912  	// match: (EONshiftRA x (MOVDconst [c]) [d])
  3913  	// result: (XORconst x [^(c>>uint64(d))])
  3914  	for {
  3915  		d := auxIntToInt64(v.AuxInt)
  3916  		x := v_0
  3917  		if v_1.Op != OpARM64MOVDconst {
  3918  			break
  3919  		}
  3920  		c := auxIntToInt64(v_1.AuxInt)
  3921  		v.reset(OpARM64XORconst)
  3922  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
  3923  		v.AddArg(x)
  3924  		return true
  3925  	}
  3926  	// match: (EONshiftRA (SRAconst x [c]) x [c])
  3927  	// result: (MOVDconst [-1])
  3928  	for {
  3929  		c := auxIntToInt64(v.AuxInt)
  3930  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
  3931  			break
  3932  		}
  3933  		x := v_0.Args[0]
  3934  		if x != v_1 {
  3935  			break
  3936  		}
  3937  		v.reset(OpARM64MOVDconst)
  3938  		v.AuxInt = int64ToAuxInt(-1)
  3939  		return true
  3940  	}
  3941  	return false
  3942  }
  3943  func rewriteValueARM64_OpARM64EONshiftRL(v *Value) bool {
  3944  	v_1 := v.Args[1]
  3945  	v_0 := v.Args[0]
  3946  	// match: (EONshiftRL x (MOVDconst [c]) [d])
  3947  	// result: (XORconst x [^int64(uint64(c)>>uint64(d))])
  3948  	for {
  3949  		d := auxIntToInt64(v.AuxInt)
  3950  		x := v_0
  3951  		if v_1.Op != OpARM64MOVDconst {
  3952  			break
  3953  		}
  3954  		c := auxIntToInt64(v_1.AuxInt)
  3955  		v.reset(OpARM64XORconst)
  3956  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
  3957  		v.AddArg(x)
  3958  		return true
  3959  	}
  3960  	// match: (EONshiftRL (SRLconst x [c]) x [c])
  3961  	// result: (MOVDconst [-1])
  3962  	for {
  3963  		c := auxIntToInt64(v.AuxInt)
  3964  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
  3965  			break
  3966  		}
  3967  		x := v_0.Args[0]
  3968  		if x != v_1 {
  3969  			break
  3970  		}
  3971  		v.reset(OpARM64MOVDconst)
  3972  		v.AuxInt = int64ToAuxInt(-1)
  3973  		return true
  3974  	}
  3975  	return false
  3976  }
  3977  func rewriteValueARM64_OpARM64EONshiftRO(v *Value) bool {
  3978  	v_1 := v.Args[1]
  3979  	v_0 := v.Args[0]
  3980  	// match: (EONshiftRO x (MOVDconst [c]) [d])
  3981  	// result: (XORconst x [^rotateRight64(c, d)])
  3982  	for {
  3983  		d := auxIntToInt64(v.AuxInt)
  3984  		x := v_0
  3985  		if v_1.Op != OpARM64MOVDconst {
  3986  			break
  3987  		}
  3988  		c := auxIntToInt64(v_1.AuxInt)
  3989  		v.reset(OpARM64XORconst)
  3990  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
  3991  		v.AddArg(x)
  3992  		return true
  3993  	}
  3994  	// match: (EONshiftRO (RORconst x [c]) x [c])
  3995  	// result: (MOVDconst [-1])
  3996  	for {
  3997  		c := auxIntToInt64(v.AuxInt)
  3998  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
  3999  			break
  4000  		}
  4001  		x := v_0.Args[0]
  4002  		if x != v_1 {
  4003  			break
  4004  		}
  4005  		v.reset(OpARM64MOVDconst)
  4006  		v.AuxInt = int64ToAuxInt(-1)
  4007  		return true
  4008  	}
  4009  	return false
  4010  }
  4011  func rewriteValueARM64_OpARM64Equal(v *Value) bool {
  4012  	v_0 := v.Args[0]
  4013  	b := v.Block
  4014  	// match: (Equal (CMPconst [0] z:(AND x y)))
  4015  	// cond: z.Uses == 1
  4016  	// result: (Equal (TST x y))
  4017  	for {
  4018  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4019  			break
  4020  		}
  4021  		z := v_0.Args[0]
  4022  		if z.Op != OpARM64AND {
  4023  			break
  4024  		}
  4025  		y := z.Args[1]
  4026  		x := z.Args[0]
  4027  		if !(z.Uses == 1) {
  4028  			break
  4029  		}
  4030  		v.reset(OpARM64Equal)
  4031  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  4032  		v0.AddArg2(x, y)
  4033  		v.AddArg(v0)
  4034  		return true
  4035  	}
  4036  	// match: (Equal (CMPWconst [0] x:(ANDconst [c] y)))
  4037  	// cond: x.Uses == 1
  4038  	// result: (Equal (TSTWconst [int32(c)] y))
  4039  	for {
  4040  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4041  			break
  4042  		}
  4043  		x := v_0.Args[0]
  4044  		if x.Op != OpARM64ANDconst {
  4045  			break
  4046  		}
  4047  		c := auxIntToInt64(x.AuxInt)
  4048  		y := x.Args[0]
  4049  		if !(x.Uses == 1) {
  4050  			break
  4051  		}
  4052  		v.reset(OpARM64Equal)
  4053  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  4054  		v0.AuxInt = int32ToAuxInt(int32(c))
  4055  		v0.AddArg(y)
  4056  		v.AddArg(v0)
  4057  		return true
  4058  	}
  4059  	// match: (Equal (CMPWconst [0] z:(AND x y)))
  4060  	// cond: z.Uses == 1
  4061  	// result: (Equal (TSTW x y))
  4062  	for {
  4063  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4064  			break
  4065  		}
  4066  		z := v_0.Args[0]
  4067  		if z.Op != OpARM64AND {
  4068  			break
  4069  		}
  4070  		y := z.Args[1]
  4071  		x := z.Args[0]
  4072  		if !(z.Uses == 1) {
  4073  			break
  4074  		}
  4075  		v.reset(OpARM64Equal)
  4076  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  4077  		v0.AddArg2(x, y)
  4078  		v.AddArg(v0)
  4079  		return true
  4080  	}
  4081  	// match: (Equal (CMPconst [0] x:(ANDconst [c] y)))
  4082  	// cond: x.Uses == 1
  4083  	// result: (Equal (TSTconst [c] y))
  4084  	for {
  4085  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4086  			break
  4087  		}
  4088  		x := v_0.Args[0]
  4089  		if x.Op != OpARM64ANDconst {
  4090  			break
  4091  		}
  4092  		c := auxIntToInt64(x.AuxInt)
  4093  		y := x.Args[0]
  4094  		if !(x.Uses == 1) {
  4095  			break
  4096  		}
  4097  		v.reset(OpARM64Equal)
  4098  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  4099  		v0.AuxInt = int64ToAuxInt(c)
  4100  		v0.AddArg(y)
  4101  		v.AddArg(v0)
  4102  		return true
  4103  	}
  4104  	// match: (Equal (CMP x z:(NEG y)))
  4105  	// cond: z.Uses == 1
  4106  	// result: (Equal (CMN x y))
  4107  	for {
  4108  		if v_0.Op != OpARM64CMP {
  4109  			break
  4110  		}
  4111  		_ = v_0.Args[1]
  4112  		x := v_0.Args[0]
  4113  		z := v_0.Args[1]
  4114  		if z.Op != OpARM64NEG {
  4115  			break
  4116  		}
  4117  		y := z.Args[0]
  4118  		if !(z.Uses == 1) {
  4119  			break
  4120  		}
  4121  		v.reset(OpARM64Equal)
  4122  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  4123  		v0.AddArg2(x, y)
  4124  		v.AddArg(v0)
  4125  		return true
  4126  	}
  4127  	// match: (Equal (CMPW x z:(NEG y)))
  4128  	// cond: z.Uses == 1
  4129  	// result: (Equal (CMNW x y))
  4130  	for {
  4131  		if v_0.Op != OpARM64CMPW {
  4132  			break
  4133  		}
  4134  		_ = v_0.Args[1]
  4135  		x := v_0.Args[0]
  4136  		z := v_0.Args[1]
  4137  		if z.Op != OpARM64NEG {
  4138  			break
  4139  		}
  4140  		y := z.Args[0]
  4141  		if !(z.Uses == 1) {
  4142  			break
  4143  		}
  4144  		v.reset(OpARM64Equal)
  4145  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  4146  		v0.AddArg2(x, y)
  4147  		v.AddArg(v0)
  4148  		return true
  4149  	}
  4150  	// match: (Equal (CMPconst [0] x:(ADDconst [c] y)))
  4151  	// cond: x.Uses == 1
  4152  	// result: (Equal (CMNconst [c] y))
  4153  	for {
  4154  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4155  			break
  4156  		}
  4157  		x := v_0.Args[0]
  4158  		if x.Op != OpARM64ADDconst {
  4159  			break
  4160  		}
  4161  		c := auxIntToInt64(x.AuxInt)
  4162  		y := x.Args[0]
  4163  		if !(x.Uses == 1) {
  4164  			break
  4165  		}
  4166  		v.reset(OpARM64Equal)
  4167  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  4168  		v0.AuxInt = int64ToAuxInt(c)
  4169  		v0.AddArg(y)
  4170  		v.AddArg(v0)
  4171  		return true
  4172  	}
  4173  	// match: (Equal (CMPWconst [0] x:(ADDconst [c] y)))
  4174  	// cond: x.Uses == 1
  4175  	// result: (Equal (CMNWconst [int32(c)] y))
  4176  	for {
  4177  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4178  			break
  4179  		}
  4180  		x := v_0.Args[0]
  4181  		if x.Op != OpARM64ADDconst {
  4182  			break
  4183  		}
  4184  		c := auxIntToInt64(x.AuxInt)
  4185  		y := x.Args[0]
  4186  		if !(x.Uses == 1) {
  4187  			break
  4188  		}
  4189  		v.reset(OpARM64Equal)
  4190  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  4191  		v0.AuxInt = int32ToAuxInt(int32(c))
  4192  		v0.AddArg(y)
  4193  		v.AddArg(v0)
  4194  		return true
  4195  	}
  4196  	// match: (Equal (CMPconst [0] z:(ADD x y)))
  4197  	// cond: z.Uses == 1
  4198  	// result: (Equal (CMN x y))
  4199  	for {
  4200  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4201  			break
  4202  		}
  4203  		z := v_0.Args[0]
  4204  		if z.Op != OpARM64ADD {
  4205  			break
  4206  		}
  4207  		y := z.Args[1]
  4208  		x := z.Args[0]
  4209  		if !(z.Uses == 1) {
  4210  			break
  4211  		}
  4212  		v.reset(OpARM64Equal)
  4213  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  4214  		v0.AddArg2(x, y)
  4215  		v.AddArg(v0)
  4216  		return true
  4217  	}
  4218  	// match: (Equal (CMPWconst [0] z:(ADD x y)))
  4219  	// cond: z.Uses == 1
  4220  	// result: (Equal (CMNW x y))
  4221  	for {
  4222  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4223  			break
  4224  		}
  4225  		z := v_0.Args[0]
  4226  		if z.Op != OpARM64ADD {
  4227  			break
  4228  		}
  4229  		y := z.Args[1]
  4230  		x := z.Args[0]
  4231  		if !(z.Uses == 1) {
  4232  			break
  4233  		}
  4234  		v.reset(OpARM64Equal)
  4235  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  4236  		v0.AddArg2(x, y)
  4237  		v.AddArg(v0)
  4238  		return true
  4239  	}
  4240  	// match: (Equal (CMPconst [0] z:(MADD a x y)))
  4241  	// cond: z.Uses == 1
  4242  	// result: (Equal (CMN a (MUL <x.Type> x y)))
  4243  	for {
  4244  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4245  			break
  4246  		}
  4247  		z := v_0.Args[0]
  4248  		if z.Op != OpARM64MADD {
  4249  			break
  4250  		}
  4251  		y := z.Args[2]
  4252  		a := z.Args[0]
  4253  		x := z.Args[1]
  4254  		if !(z.Uses == 1) {
  4255  			break
  4256  		}
  4257  		v.reset(OpARM64Equal)
  4258  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  4259  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  4260  		v1.AddArg2(x, y)
  4261  		v0.AddArg2(a, v1)
  4262  		v.AddArg(v0)
  4263  		return true
  4264  	}
  4265  	// match: (Equal (CMPconst [0] z:(MSUB a x y)))
  4266  	// cond: z.Uses == 1
  4267  	// result: (Equal (CMP a (MUL <x.Type> x y)))
  4268  	for {
  4269  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4270  			break
  4271  		}
  4272  		z := v_0.Args[0]
  4273  		if z.Op != OpARM64MSUB {
  4274  			break
  4275  		}
  4276  		y := z.Args[2]
  4277  		a := z.Args[0]
  4278  		x := z.Args[1]
  4279  		if !(z.Uses == 1) {
  4280  			break
  4281  		}
  4282  		v.reset(OpARM64Equal)
  4283  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  4284  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  4285  		v1.AddArg2(x, y)
  4286  		v0.AddArg2(a, v1)
  4287  		v.AddArg(v0)
  4288  		return true
  4289  	}
  4290  	// match: (Equal (CMPWconst [0] z:(MADDW a x y)))
  4291  	// cond: z.Uses == 1
  4292  	// result: (Equal (CMNW a (MULW <x.Type> x y)))
  4293  	for {
  4294  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4295  			break
  4296  		}
  4297  		z := v_0.Args[0]
  4298  		if z.Op != OpARM64MADDW {
  4299  			break
  4300  		}
  4301  		y := z.Args[2]
  4302  		a := z.Args[0]
  4303  		x := z.Args[1]
  4304  		if !(z.Uses == 1) {
  4305  			break
  4306  		}
  4307  		v.reset(OpARM64Equal)
  4308  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  4309  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  4310  		v1.AddArg2(x, y)
  4311  		v0.AddArg2(a, v1)
  4312  		v.AddArg(v0)
  4313  		return true
  4314  	}
  4315  	// match: (Equal (CMPWconst [0] z:(MSUBW a x y)))
  4316  	// cond: z.Uses == 1
  4317  	// result: (Equal (CMPW a (MULW <x.Type> x y)))
  4318  	for {
  4319  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4320  			break
  4321  		}
  4322  		z := v_0.Args[0]
  4323  		if z.Op != OpARM64MSUBW {
  4324  			break
  4325  		}
  4326  		y := z.Args[2]
  4327  		a := z.Args[0]
  4328  		x := z.Args[1]
  4329  		if !(z.Uses == 1) {
  4330  			break
  4331  		}
  4332  		v.reset(OpARM64Equal)
  4333  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  4334  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  4335  		v1.AddArg2(x, y)
  4336  		v0.AddArg2(a, v1)
  4337  		v.AddArg(v0)
  4338  		return true
  4339  	}
  4340  	// match: (Equal (FlagConstant [fc]))
  4341  	// result: (MOVDconst [b2i(fc.eq())])
  4342  	for {
  4343  		if v_0.Op != OpARM64FlagConstant {
  4344  			break
  4345  		}
  4346  		fc := auxIntToFlagConstant(v_0.AuxInt)
  4347  		v.reset(OpARM64MOVDconst)
  4348  		v.AuxInt = int64ToAuxInt(b2i(fc.eq()))
  4349  		return true
  4350  	}
  4351  	// match: (Equal (InvertFlags x))
  4352  	// result: (Equal x)
  4353  	for {
  4354  		if v_0.Op != OpARM64InvertFlags {
  4355  			break
  4356  		}
  4357  		x := v_0.Args[0]
  4358  		v.reset(OpARM64Equal)
  4359  		v.AddArg(x)
  4360  		return true
  4361  	}
  4362  	return false
  4363  }
  4364  func rewriteValueARM64_OpARM64FADDD(v *Value) bool {
  4365  	v_1 := v.Args[1]
  4366  	v_0 := v.Args[0]
  4367  	// match: (FADDD a (FMULD x y))
  4368  	// cond: a.Block.Func.useFMA(v)
  4369  	// result: (FMADDD a x y)
  4370  	for {
  4371  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4372  			a := v_0
  4373  			if v_1.Op != OpARM64FMULD {
  4374  				continue
  4375  			}
  4376  			y := v_1.Args[1]
  4377  			x := v_1.Args[0]
  4378  			if !(a.Block.Func.useFMA(v)) {
  4379  				continue
  4380  			}
  4381  			v.reset(OpARM64FMADDD)
  4382  			v.AddArg3(a, x, y)
  4383  			return true
  4384  		}
  4385  		break
  4386  	}
  4387  	// match: (FADDD a (FNMULD x y))
  4388  	// cond: a.Block.Func.useFMA(v)
  4389  	// result: (FMSUBD a x y)
  4390  	for {
  4391  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4392  			a := v_0
  4393  			if v_1.Op != OpARM64FNMULD {
  4394  				continue
  4395  			}
  4396  			y := v_1.Args[1]
  4397  			x := v_1.Args[0]
  4398  			if !(a.Block.Func.useFMA(v)) {
  4399  				continue
  4400  			}
  4401  			v.reset(OpARM64FMSUBD)
  4402  			v.AddArg3(a, x, y)
  4403  			return true
  4404  		}
  4405  		break
  4406  	}
  4407  	return false
  4408  }
  4409  func rewriteValueARM64_OpARM64FADDS(v *Value) bool {
  4410  	v_1 := v.Args[1]
  4411  	v_0 := v.Args[0]
  4412  	// match: (FADDS a (FMULS x y))
  4413  	// cond: a.Block.Func.useFMA(v)
  4414  	// result: (FMADDS a x y)
  4415  	for {
  4416  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4417  			a := v_0
  4418  			if v_1.Op != OpARM64FMULS {
  4419  				continue
  4420  			}
  4421  			y := v_1.Args[1]
  4422  			x := v_1.Args[0]
  4423  			if !(a.Block.Func.useFMA(v)) {
  4424  				continue
  4425  			}
  4426  			v.reset(OpARM64FMADDS)
  4427  			v.AddArg3(a, x, y)
  4428  			return true
  4429  		}
  4430  		break
  4431  	}
  4432  	// match: (FADDS a (FNMULS x y))
  4433  	// cond: a.Block.Func.useFMA(v)
  4434  	// result: (FMSUBS a x y)
  4435  	for {
  4436  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4437  			a := v_0
  4438  			if v_1.Op != OpARM64FNMULS {
  4439  				continue
  4440  			}
  4441  			y := v_1.Args[1]
  4442  			x := v_1.Args[0]
  4443  			if !(a.Block.Func.useFMA(v)) {
  4444  				continue
  4445  			}
  4446  			v.reset(OpARM64FMSUBS)
  4447  			v.AddArg3(a, x, y)
  4448  			return true
  4449  		}
  4450  		break
  4451  	}
  4452  	return false
  4453  }
  4454  func rewriteValueARM64_OpARM64FCMPD(v *Value) bool {
  4455  	v_1 := v.Args[1]
  4456  	v_0 := v.Args[0]
  4457  	b := v.Block
  4458  	// match: (FCMPD x (FMOVDconst [0]))
  4459  	// result: (FCMPD0 x)
  4460  	for {
  4461  		x := v_0
  4462  		if v_1.Op != OpARM64FMOVDconst || auxIntToFloat64(v_1.AuxInt) != 0 {
  4463  			break
  4464  		}
  4465  		v.reset(OpARM64FCMPD0)
  4466  		v.AddArg(x)
  4467  		return true
  4468  	}
  4469  	// match: (FCMPD (FMOVDconst [0]) x)
  4470  	// result: (InvertFlags (FCMPD0 x))
  4471  	for {
  4472  		if v_0.Op != OpARM64FMOVDconst || auxIntToFloat64(v_0.AuxInt) != 0 {
  4473  			break
  4474  		}
  4475  		x := v_1
  4476  		v.reset(OpARM64InvertFlags)
  4477  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD0, types.TypeFlags)
  4478  		v0.AddArg(x)
  4479  		v.AddArg(v0)
  4480  		return true
  4481  	}
  4482  	return false
  4483  }
  4484  func rewriteValueARM64_OpARM64FCMPS(v *Value) bool {
  4485  	v_1 := v.Args[1]
  4486  	v_0 := v.Args[0]
  4487  	b := v.Block
  4488  	// match: (FCMPS x (FMOVSconst [0]))
  4489  	// result: (FCMPS0 x)
  4490  	for {
  4491  		x := v_0
  4492  		if v_1.Op != OpARM64FMOVSconst || auxIntToFloat64(v_1.AuxInt) != 0 {
  4493  			break
  4494  		}
  4495  		v.reset(OpARM64FCMPS0)
  4496  		v.AddArg(x)
  4497  		return true
  4498  	}
  4499  	// match: (FCMPS (FMOVSconst [0]) x)
  4500  	// result: (InvertFlags (FCMPS0 x))
  4501  	for {
  4502  		if v_0.Op != OpARM64FMOVSconst || auxIntToFloat64(v_0.AuxInt) != 0 {
  4503  			break
  4504  		}
  4505  		x := v_1
  4506  		v.reset(OpARM64InvertFlags)
  4507  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS0, types.TypeFlags)
  4508  		v0.AddArg(x)
  4509  		v.AddArg(v0)
  4510  		return true
  4511  	}
  4512  	return false
  4513  }
  4514  func rewriteValueARM64_OpARM64FMOVDfpgp(v *Value) bool {
  4515  	v_0 := v.Args[0]
  4516  	b := v.Block
  4517  	// match: (FMOVDfpgp <t> (Arg [off] {sym}))
  4518  	// result: @b.Func.Entry (Arg <t> [off] {sym})
  4519  	for {
  4520  		t := v.Type
  4521  		if v_0.Op != OpArg {
  4522  			break
  4523  		}
  4524  		off := auxIntToInt32(v_0.AuxInt)
  4525  		sym := auxToSym(v_0.Aux)
  4526  		b = b.Func.Entry
  4527  		v0 := b.NewValue0(v.Pos, OpArg, t)
  4528  		v.copyOf(v0)
  4529  		v0.AuxInt = int32ToAuxInt(off)
  4530  		v0.Aux = symToAux(sym)
  4531  		return true
  4532  	}
  4533  	return false
  4534  }
  4535  func rewriteValueARM64_OpARM64FMOVDgpfp(v *Value) bool {
  4536  	v_0 := v.Args[0]
  4537  	b := v.Block
  4538  	// match: (FMOVDgpfp <t> (Arg [off] {sym}))
  4539  	// result: @b.Func.Entry (Arg <t> [off] {sym})
  4540  	for {
  4541  		t := v.Type
  4542  		if v_0.Op != OpArg {
  4543  			break
  4544  		}
  4545  		off := auxIntToInt32(v_0.AuxInt)
  4546  		sym := auxToSym(v_0.Aux)
  4547  		b = b.Func.Entry
  4548  		v0 := b.NewValue0(v.Pos, OpArg, t)
  4549  		v.copyOf(v0)
  4550  		v0.AuxInt = int32ToAuxInt(off)
  4551  		v0.Aux = symToAux(sym)
  4552  		return true
  4553  	}
  4554  	return false
  4555  }
  4556  func rewriteValueARM64_OpARM64FMOVDload(v *Value) bool {
  4557  	v_1 := v.Args[1]
  4558  	v_0 := v.Args[0]
  4559  	b := v.Block
  4560  	config := b.Func.Config
  4561  	// match: (FMOVDload [off] {sym} ptr (MOVDstore [off] {sym} ptr val _))
  4562  	// result: (FMOVDgpfp val)
  4563  	for {
  4564  		off := auxIntToInt32(v.AuxInt)
  4565  		sym := auxToSym(v.Aux)
  4566  		ptr := v_0
  4567  		if v_1.Op != OpARM64MOVDstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  4568  			break
  4569  		}
  4570  		val := v_1.Args[1]
  4571  		if ptr != v_1.Args[0] {
  4572  			break
  4573  		}
  4574  		v.reset(OpARM64FMOVDgpfp)
  4575  		v.AddArg(val)
  4576  		return true
  4577  	}
  4578  	// match: (FMOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
  4579  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4580  	// result: (FMOVDload [off1+int32(off2)] {sym} ptr mem)
  4581  	for {
  4582  		off1 := auxIntToInt32(v.AuxInt)
  4583  		sym := auxToSym(v.Aux)
  4584  		if v_0.Op != OpARM64ADDconst {
  4585  			break
  4586  		}
  4587  		off2 := auxIntToInt64(v_0.AuxInt)
  4588  		ptr := v_0.Args[0]
  4589  		mem := v_1
  4590  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4591  			break
  4592  		}
  4593  		v.reset(OpARM64FMOVDload)
  4594  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4595  		v.Aux = symToAux(sym)
  4596  		v.AddArg2(ptr, mem)
  4597  		return true
  4598  	}
  4599  	// match: (FMOVDload [off] {sym} (ADD ptr idx) mem)
  4600  	// cond: off == 0 && sym == nil
  4601  	// result: (FMOVDloadidx ptr idx mem)
  4602  	for {
  4603  		off := auxIntToInt32(v.AuxInt)
  4604  		sym := auxToSym(v.Aux)
  4605  		if v_0.Op != OpARM64ADD {
  4606  			break
  4607  		}
  4608  		idx := v_0.Args[1]
  4609  		ptr := v_0.Args[0]
  4610  		mem := v_1
  4611  		if !(off == 0 && sym == nil) {
  4612  			break
  4613  		}
  4614  		v.reset(OpARM64FMOVDloadidx)
  4615  		v.AddArg3(ptr, idx, mem)
  4616  		return true
  4617  	}
  4618  	// match: (FMOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem)
  4619  	// cond: off == 0 && sym == nil
  4620  	// result: (FMOVDloadidx8 ptr idx mem)
  4621  	for {
  4622  		off := auxIntToInt32(v.AuxInt)
  4623  		sym := auxToSym(v.Aux)
  4624  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  4625  			break
  4626  		}
  4627  		idx := v_0.Args[1]
  4628  		ptr := v_0.Args[0]
  4629  		mem := v_1
  4630  		if !(off == 0 && sym == nil) {
  4631  			break
  4632  		}
  4633  		v.reset(OpARM64FMOVDloadidx8)
  4634  		v.AddArg3(ptr, idx, mem)
  4635  		return true
  4636  	}
  4637  	// match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  4638  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4639  	// result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  4640  	for {
  4641  		off1 := auxIntToInt32(v.AuxInt)
  4642  		sym1 := auxToSym(v.Aux)
  4643  		if v_0.Op != OpARM64MOVDaddr {
  4644  			break
  4645  		}
  4646  		off2 := auxIntToInt32(v_0.AuxInt)
  4647  		sym2 := auxToSym(v_0.Aux)
  4648  		ptr := v_0.Args[0]
  4649  		mem := v_1
  4650  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4651  			break
  4652  		}
  4653  		v.reset(OpARM64FMOVDload)
  4654  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4655  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4656  		v.AddArg2(ptr, mem)
  4657  		return true
  4658  	}
  4659  	return false
  4660  }
  4661  func rewriteValueARM64_OpARM64FMOVDloadidx(v *Value) bool {
  4662  	v_2 := v.Args[2]
  4663  	v_1 := v.Args[1]
  4664  	v_0 := v.Args[0]
  4665  	// match: (FMOVDloadidx ptr (MOVDconst [c]) mem)
  4666  	// cond: is32Bit(c)
  4667  	// result: (FMOVDload [int32(c)] ptr mem)
  4668  	for {
  4669  		ptr := v_0
  4670  		if v_1.Op != OpARM64MOVDconst {
  4671  			break
  4672  		}
  4673  		c := auxIntToInt64(v_1.AuxInt)
  4674  		mem := v_2
  4675  		if !(is32Bit(c)) {
  4676  			break
  4677  		}
  4678  		v.reset(OpARM64FMOVDload)
  4679  		v.AuxInt = int32ToAuxInt(int32(c))
  4680  		v.AddArg2(ptr, mem)
  4681  		return true
  4682  	}
  4683  	// match: (FMOVDloadidx (MOVDconst [c]) ptr mem)
  4684  	// cond: is32Bit(c)
  4685  	// result: (FMOVDload [int32(c)] ptr mem)
  4686  	for {
  4687  		if v_0.Op != OpARM64MOVDconst {
  4688  			break
  4689  		}
  4690  		c := auxIntToInt64(v_0.AuxInt)
  4691  		ptr := v_1
  4692  		mem := v_2
  4693  		if !(is32Bit(c)) {
  4694  			break
  4695  		}
  4696  		v.reset(OpARM64FMOVDload)
  4697  		v.AuxInt = int32ToAuxInt(int32(c))
  4698  		v.AddArg2(ptr, mem)
  4699  		return true
  4700  	}
  4701  	// match: (FMOVDloadidx ptr (SLLconst [3] idx) mem)
  4702  	// result: (FMOVDloadidx8 ptr idx mem)
  4703  	for {
  4704  		ptr := v_0
  4705  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  4706  			break
  4707  		}
  4708  		idx := v_1.Args[0]
  4709  		mem := v_2
  4710  		v.reset(OpARM64FMOVDloadidx8)
  4711  		v.AddArg3(ptr, idx, mem)
  4712  		return true
  4713  	}
  4714  	// match: (FMOVDloadidx (SLLconst [3] idx) ptr mem)
  4715  	// result: (FMOVDloadidx8 ptr idx mem)
  4716  	for {
  4717  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  4718  			break
  4719  		}
  4720  		idx := v_0.Args[0]
  4721  		ptr := v_1
  4722  		mem := v_2
  4723  		v.reset(OpARM64FMOVDloadidx8)
  4724  		v.AddArg3(ptr, idx, mem)
  4725  		return true
  4726  	}
  4727  	return false
  4728  }
  4729  func rewriteValueARM64_OpARM64FMOVDloadidx8(v *Value) bool {
  4730  	v_2 := v.Args[2]
  4731  	v_1 := v.Args[1]
  4732  	v_0 := v.Args[0]
  4733  	// match: (FMOVDloadidx8 ptr (MOVDconst [c]) mem)
  4734  	// cond: is32Bit(c<<3)
  4735  	// result: (FMOVDload ptr [int32(c)<<3] mem)
  4736  	for {
  4737  		ptr := v_0
  4738  		if v_1.Op != OpARM64MOVDconst {
  4739  			break
  4740  		}
  4741  		c := auxIntToInt64(v_1.AuxInt)
  4742  		mem := v_2
  4743  		if !(is32Bit(c << 3)) {
  4744  			break
  4745  		}
  4746  		v.reset(OpARM64FMOVDload)
  4747  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  4748  		v.AddArg2(ptr, mem)
  4749  		return true
  4750  	}
  4751  	return false
  4752  }
  4753  func rewriteValueARM64_OpARM64FMOVDstore(v *Value) bool {
  4754  	v_2 := v.Args[2]
  4755  	v_1 := v.Args[1]
  4756  	v_0 := v.Args[0]
  4757  	b := v.Block
  4758  	config := b.Func.Config
  4759  	// match: (FMOVDstore [off] {sym} ptr (FMOVDgpfp val) mem)
  4760  	// result: (MOVDstore [off] {sym} ptr val mem)
  4761  	for {
  4762  		off := auxIntToInt32(v.AuxInt)
  4763  		sym := auxToSym(v.Aux)
  4764  		ptr := v_0
  4765  		if v_1.Op != OpARM64FMOVDgpfp {
  4766  			break
  4767  		}
  4768  		val := v_1.Args[0]
  4769  		mem := v_2
  4770  		v.reset(OpARM64MOVDstore)
  4771  		v.AuxInt = int32ToAuxInt(off)
  4772  		v.Aux = symToAux(sym)
  4773  		v.AddArg3(ptr, val, mem)
  4774  		return true
  4775  	}
  4776  	// match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  4777  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4778  	// result: (FMOVDstore [off1+int32(off2)] {sym} ptr val mem)
  4779  	for {
  4780  		off1 := auxIntToInt32(v.AuxInt)
  4781  		sym := auxToSym(v.Aux)
  4782  		if v_0.Op != OpARM64ADDconst {
  4783  			break
  4784  		}
  4785  		off2 := auxIntToInt64(v_0.AuxInt)
  4786  		ptr := v_0.Args[0]
  4787  		val := v_1
  4788  		mem := v_2
  4789  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4790  			break
  4791  		}
  4792  		v.reset(OpARM64FMOVDstore)
  4793  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4794  		v.Aux = symToAux(sym)
  4795  		v.AddArg3(ptr, val, mem)
  4796  		return true
  4797  	}
  4798  	// match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem)
  4799  	// cond: off == 0 && sym == nil
  4800  	// result: (FMOVDstoreidx ptr idx val mem)
  4801  	for {
  4802  		off := auxIntToInt32(v.AuxInt)
  4803  		sym := auxToSym(v.Aux)
  4804  		if v_0.Op != OpARM64ADD {
  4805  			break
  4806  		}
  4807  		idx := v_0.Args[1]
  4808  		ptr := v_0.Args[0]
  4809  		val := v_1
  4810  		mem := v_2
  4811  		if !(off == 0 && sym == nil) {
  4812  			break
  4813  		}
  4814  		v.reset(OpARM64FMOVDstoreidx)
  4815  		v.AddArg4(ptr, idx, val, mem)
  4816  		return true
  4817  	}
  4818  	// match: (FMOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem)
  4819  	// cond: off == 0 && sym == nil
  4820  	// result: (FMOVDstoreidx8 ptr idx val mem)
  4821  	for {
  4822  		off := auxIntToInt32(v.AuxInt)
  4823  		sym := auxToSym(v.Aux)
  4824  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  4825  			break
  4826  		}
  4827  		idx := v_0.Args[1]
  4828  		ptr := v_0.Args[0]
  4829  		val := v_1
  4830  		mem := v_2
  4831  		if !(off == 0 && sym == nil) {
  4832  			break
  4833  		}
  4834  		v.reset(OpARM64FMOVDstoreidx8)
  4835  		v.AddArg4(ptr, idx, val, mem)
  4836  		return true
  4837  	}
  4838  	// match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  4839  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4840  	// result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  4841  	for {
  4842  		off1 := auxIntToInt32(v.AuxInt)
  4843  		sym1 := auxToSym(v.Aux)
  4844  		if v_0.Op != OpARM64MOVDaddr {
  4845  			break
  4846  		}
  4847  		off2 := auxIntToInt32(v_0.AuxInt)
  4848  		sym2 := auxToSym(v_0.Aux)
  4849  		ptr := v_0.Args[0]
  4850  		val := v_1
  4851  		mem := v_2
  4852  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4853  			break
  4854  		}
  4855  		v.reset(OpARM64FMOVDstore)
  4856  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4857  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4858  		v.AddArg3(ptr, val, mem)
  4859  		return true
  4860  	}
  4861  	return false
  4862  }
  4863  func rewriteValueARM64_OpARM64FMOVDstoreidx(v *Value) bool {
  4864  	v_3 := v.Args[3]
  4865  	v_2 := v.Args[2]
  4866  	v_1 := v.Args[1]
  4867  	v_0 := v.Args[0]
  4868  	// match: (FMOVDstoreidx ptr (MOVDconst [c]) val mem)
  4869  	// cond: is32Bit(c)
  4870  	// result: (FMOVDstore [int32(c)] ptr val mem)
  4871  	for {
  4872  		ptr := v_0
  4873  		if v_1.Op != OpARM64MOVDconst {
  4874  			break
  4875  		}
  4876  		c := auxIntToInt64(v_1.AuxInt)
  4877  		val := v_2
  4878  		mem := v_3
  4879  		if !(is32Bit(c)) {
  4880  			break
  4881  		}
  4882  		v.reset(OpARM64FMOVDstore)
  4883  		v.AuxInt = int32ToAuxInt(int32(c))
  4884  		v.AddArg3(ptr, val, mem)
  4885  		return true
  4886  	}
  4887  	// match: (FMOVDstoreidx (MOVDconst [c]) idx val mem)
  4888  	// cond: is32Bit(c)
  4889  	// result: (FMOVDstore [int32(c)] idx val mem)
  4890  	for {
  4891  		if v_0.Op != OpARM64MOVDconst {
  4892  			break
  4893  		}
  4894  		c := auxIntToInt64(v_0.AuxInt)
  4895  		idx := v_1
  4896  		val := v_2
  4897  		mem := v_3
  4898  		if !(is32Bit(c)) {
  4899  			break
  4900  		}
  4901  		v.reset(OpARM64FMOVDstore)
  4902  		v.AuxInt = int32ToAuxInt(int32(c))
  4903  		v.AddArg3(idx, val, mem)
  4904  		return true
  4905  	}
  4906  	// match: (FMOVDstoreidx ptr (SLLconst [3] idx) val mem)
  4907  	// result: (FMOVDstoreidx8 ptr idx val mem)
  4908  	for {
  4909  		ptr := v_0
  4910  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  4911  			break
  4912  		}
  4913  		idx := v_1.Args[0]
  4914  		val := v_2
  4915  		mem := v_3
  4916  		v.reset(OpARM64FMOVDstoreidx8)
  4917  		v.AddArg4(ptr, idx, val, mem)
  4918  		return true
  4919  	}
  4920  	// match: (FMOVDstoreidx (SLLconst [3] idx) ptr val mem)
  4921  	// result: (FMOVDstoreidx8 ptr idx val mem)
  4922  	for {
  4923  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  4924  			break
  4925  		}
  4926  		idx := v_0.Args[0]
  4927  		ptr := v_1
  4928  		val := v_2
  4929  		mem := v_3
  4930  		v.reset(OpARM64FMOVDstoreidx8)
  4931  		v.AddArg4(ptr, idx, val, mem)
  4932  		return true
  4933  	}
  4934  	return false
  4935  }
  4936  func rewriteValueARM64_OpARM64FMOVDstoreidx8(v *Value) bool {
  4937  	v_3 := v.Args[3]
  4938  	v_2 := v.Args[2]
  4939  	v_1 := v.Args[1]
  4940  	v_0 := v.Args[0]
  4941  	// match: (FMOVDstoreidx8 ptr (MOVDconst [c]) val mem)
  4942  	// cond: is32Bit(c<<3)
  4943  	// result: (FMOVDstore [int32(c)<<3] ptr val mem)
  4944  	for {
  4945  		ptr := v_0
  4946  		if v_1.Op != OpARM64MOVDconst {
  4947  			break
  4948  		}
  4949  		c := auxIntToInt64(v_1.AuxInt)
  4950  		val := v_2
  4951  		mem := v_3
  4952  		if !(is32Bit(c << 3)) {
  4953  			break
  4954  		}
  4955  		v.reset(OpARM64FMOVDstore)
  4956  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  4957  		v.AddArg3(ptr, val, mem)
  4958  		return true
  4959  	}
  4960  	return false
  4961  }
  4962  func rewriteValueARM64_OpARM64FMOVSload(v *Value) bool {
  4963  	v_1 := v.Args[1]
  4964  	v_0 := v.Args[0]
  4965  	b := v.Block
  4966  	config := b.Func.Config
  4967  	// match: (FMOVSload [off] {sym} ptr (MOVWstore [off] {sym} ptr val _))
  4968  	// result: (FMOVSgpfp val)
  4969  	for {
  4970  		off := auxIntToInt32(v.AuxInt)
  4971  		sym := auxToSym(v.Aux)
  4972  		ptr := v_0
  4973  		if v_1.Op != OpARM64MOVWstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  4974  			break
  4975  		}
  4976  		val := v_1.Args[1]
  4977  		if ptr != v_1.Args[0] {
  4978  			break
  4979  		}
  4980  		v.reset(OpARM64FMOVSgpfp)
  4981  		v.AddArg(val)
  4982  		return true
  4983  	}
  4984  	// match: (FMOVSload [off1] {sym} (ADDconst [off2] ptr) mem)
  4985  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4986  	// result: (FMOVSload [off1+int32(off2)] {sym} ptr mem)
  4987  	for {
  4988  		off1 := auxIntToInt32(v.AuxInt)
  4989  		sym := auxToSym(v.Aux)
  4990  		if v_0.Op != OpARM64ADDconst {
  4991  			break
  4992  		}
  4993  		off2 := auxIntToInt64(v_0.AuxInt)
  4994  		ptr := v_0.Args[0]
  4995  		mem := v_1
  4996  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4997  			break
  4998  		}
  4999  		v.reset(OpARM64FMOVSload)
  5000  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5001  		v.Aux = symToAux(sym)
  5002  		v.AddArg2(ptr, mem)
  5003  		return true
  5004  	}
  5005  	// match: (FMOVSload [off] {sym} (ADD ptr idx) mem)
  5006  	// cond: off == 0 && sym == nil
  5007  	// result: (FMOVSloadidx ptr idx mem)
  5008  	for {
  5009  		off := auxIntToInt32(v.AuxInt)
  5010  		sym := auxToSym(v.Aux)
  5011  		if v_0.Op != OpARM64ADD {
  5012  			break
  5013  		}
  5014  		idx := v_0.Args[1]
  5015  		ptr := v_0.Args[0]
  5016  		mem := v_1
  5017  		if !(off == 0 && sym == nil) {
  5018  			break
  5019  		}
  5020  		v.reset(OpARM64FMOVSloadidx)
  5021  		v.AddArg3(ptr, idx, mem)
  5022  		return true
  5023  	}
  5024  	// match: (FMOVSload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
  5025  	// cond: off == 0 && sym == nil
  5026  	// result: (FMOVSloadidx4 ptr idx mem)
  5027  	for {
  5028  		off := auxIntToInt32(v.AuxInt)
  5029  		sym := auxToSym(v.Aux)
  5030  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
  5031  			break
  5032  		}
  5033  		idx := v_0.Args[1]
  5034  		ptr := v_0.Args[0]
  5035  		mem := v_1
  5036  		if !(off == 0 && sym == nil) {
  5037  			break
  5038  		}
  5039  		v.reset(OpARM64FMOVSloadidx4)
  5040  		v.AddArg3(ptr, idx, mem)
  5041  		return true
  5042  	}
  5043  	// match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  5044  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  5045  	// result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  5046  	for {
  5047  		off1 := auxIntToInt32(v.AuxInt)
  5048  		sym1 := auxToSym(v.Aux)
  5049  		if v_0.Op != OpARM64MOVDaddr {
  5050  			break
  5051  		}
  5052  		off2 := auxIntToInt32(v_0.AuxInt)
  5053  		sym2 := auxToSym(v_0.Aux)
  5054  		ptr := v_0.Args[0]
  5055  		mem := v_1
  5056  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5057  			break
  5058  		}
  5059  		v.reset(OpARM64FMOVSload)
  5060  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5061  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5062  		v.AddArg2(ptr, mem)
  5063  		return true
  5064  	}
  5065  	return false
  5066  }
  5067  func rewriteValueARM64_OpARM64FMOVSloadidx(v *Value) bool {
  5068  	v_2 := v.Args[2]
  5069  	v_1 := v.Args[1]
  5070  	v_0 := v.Args[0]
  5071  	// match: (FMOVSloadidx ptr (MOVDconst [c]) mem)
  5072  	// cond: is32Bit(c)
  5073  	// result: (FMOVSload [int32(c)] ptr mem)
  5074  	for {
  5075  		ptr := v_0
  5076  		if v_1.Op != OpARM64MOVDconst {
  5077  			break
  5078  		}
  5079  		c := auxIntToInt64(v_1.AuxInt)
  5080  		mem := v_2
  5081  		if !(is32Bit(c)) {
  5082  			break
  5083  		}
  5084  		v.reset(OpARM64FMOVSload)
  5085  		v.AuxInt = int32ToAuxInt(int32(c))
  5086  		v.AddArg2(ptr, mem)
  5087  		return true
  5088  	}
  5089  	// match: (FMOVSloadidx (MOVDconst [c]) ptr mem)
  5090  	// cond: is32Bit(c)
  5091  	// result: (FMOVSload [int32(c)] ptr mem)
  5092  	for {
  5093  		if v_0.Op != OpARM64MOVDconst {
  5094  			break
  5095  		}
  5096  		c := auxIntToInt64(v_0.AuxInt)
  5097  		ptr := v_1
  5098  		mem := v_2
  5099  		if !(is32Bit(c)) {
  5100  			break
  5101  		}
  5102  		v.reset(OpARM64FMOVSload)
  5103  		v.AuxInt = int32ToAuxInt(int32(c))
  5104  		v.AddArg2(ptr, mem)
  5105  		return true
  5106  	}
  5107  	// match: (FMOVSloadidx ptr (SLLconst [2] idx) mem)
  5108  	// result: (FMOVSloadidx4 ptr idx mem)
  5109  	for {
  5110  		ptr := v_0
  5111  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
  5112  			break
  5113  		}
  5114  		idx := v_1.Args[0]
  5115  		mem := v_2
  5116  		v.reset(OpARM64FMOVSloadidx4)
  5117  		v.AddArg3(ptr, idx, mem)
  5118  		return true
  5119  	}
  5120  	// match: (FMOVSloadidx (SLLconst [2] idx) ptr mem)
  5121  	// result: (FMOVSloadidx4 ptr idx mem)
  5122  	for {
  5123  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
  5124  			break
  5125  		}
  5126  		idx := v_0.Args[0]
  5127  		ptr := v_1
  5128  		mem := v_2
  5129  		v.reset(OpARM64FMOVSloadidx4)
  5130  		v.AddArg3(ptr, idx, mem)
  5131  		return true
  5132  	}
  5133  	return false
  5134  }
  5135  func rewriteValueARM64_OpARM64FMOVSloadidx4(v *Value) bool {
  5136  	v_2 := v.Args[2]
  5137  	v_1 := v.Args[1]
  5138  	v_0 := v.Args[0]
  5139  	// match: (FMOVSloadidx4 ptr (MOVDconst [c]) mem)
  5140  	// cond: is32Bit(c<<2)
  5141  	// result: (FMOVSload ptr [int32(c)<<2] mem)
  5142  	for {
  5143  		ptr := v_0
  5144  		if v_1.Op != OpARM64MOVDconst {
  5145  			break
  5146  		}
  5147  		c := auxIntToInt64(v_1.AuxInt)
  5148  		mem := v_2
  5149  		if !(is32Bit(c << 2)) {
  5150  			break
  5151  		}
  5152  		v.reset(OpARM64FMOVSload)
  5153  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
  5154  		v.AddArg2(ptr, mem)
  5155  		return true
  5156  	}
  5157  	return false
  5158  }
  5159  func rewriteValueARM64_OpARM64FMOVSstore(v *Value) bool {
  5160  	v_2 := v.Args[2]
  5161  	v_1 := v.Args[1]
  5162  	v_0 := v.Args[0]
  5163  	b := v.Block
  5164  	config := b.Func.Config
  5165  	// match: (FMOVSstore [off] {sym} ptr (FMOVSgpfp val) mem)
  5166  	// result: (MOVWstore [off] {sym} ptr val mem)
  5167  	for {
  5168  		off := auxIntToInt32(v.AuxInt)
  5169  		sym := auxToSym(v.Aux)
  5170  		ptr := v_0
  5171  		if v_1.Op != OpARM64FMOVSgpfp {
  5172  			break
  5173  		}
  5174  		val := v_1.Args[0]
  5175  		mem := v_2
  5176  		v.reset(OpARM64MOVWstore)
  5177  		v.AuxInt = int32ToAuxInt(off)
  5178  		v.Aux = symToAux(sym)
  5179  		v.AddArg3(ptr, val, mem)
  5180  		return true
  5181  	}
  5182  	// match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  5183  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  5184  	// result: (FMOVSstore [off1+int32(off2)] {sym} ptr val mem)
  5185  	for {
  5186  		off1 := auxIntToInt32(v.AuxInt)
  5187  		sym := auxToSym(v.Aux)
  5188  		if v_0.Op != OpARM64ADDconst {
  5189  			break
  5190  		}
  5191  		off2 := auxIntToInt64(v_0.AuxInt)
  5192  		ptr := v_0.Args[0]
  5193  		val := v_1
  5194  		mem := v_2
  5195  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5196  			break
  5197  		}
  5198  		v.reset(OpARM64FMOVSstore)
  5199  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5200  		v.Aux = symToAux(sym)
  5201  		v.AddArg3(ptr, val, mem)
  5202  		return true
  5203  	}
  5204  	// match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem)
  5205  	// cond: off == 0 && sym == nil
  5206  	// result: (FMOVSstoreidx ptr idx val mem)
  5207  	for {
  5208  		off := auxIntToInt32(v.AuxInt)
  5209  		sym := auxToSym(v.Aux)
  5210  		if v_0.Op != OpARM64ADD {
  5211  			break
  5212  		}
  5213  		idx := v_0.Args[1]
  5214  		ptr := v_0.Args[0]
  5215  		val := v_1
  5216  		mem := v_2
  5217  		if !(off == 0 && sym == nil) {
  5218  			break
  5219  		}
  5220  		v.reset(OpARM64FMOVSstoreidx)
  5221  		v.AddArg4(ptr, idx, val, mem)
  5222  		return true
  5223  	}
  5224  	// match: (FMOVSstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem)
  5225  	// cond: off == 0 && sym == nil
  5226  	// result: (FMOVSstoreidx4 ptr idx val mem)
  5227  	for {
  5228  		off := auxIntToInt32(v.AuxInt)
  5229  		sym := auxToSym(v.Aux)
  5230  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
  5231  			break
  5232  		}
  5233  		idx := v_0.Args[1]
  5234  		ptr := v_0.Args[0]
  5235  		val := v_1
  5236  		mem := v_2
  5237  		if !(off == 0 && sym == nil) {
  5238  			break
  5239  		}
  5240  		v.reset(OpARM64FMOVSstoreidx4)
  5241  		v.AddArg4(ptr, idx, val, mem)
  5242  		return true
  5243  	}
  5244  	// match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  5245  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  5246  	// result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  5247  	for {
  5248  		off1 := auxIntToInt32(v.AuxInt)
  5249  		sym1 := auxToSym(v.Aux)
  5250  		if v_0.Op != OpARM64MOVDaddr {
  5251  			break
  5252  		}
  5253  		off2 := auxIntToInt32(v_0.AuxInt)
  5254  		sym2 := auxToSym(v_0.Aux)
  5255  		ptr := v_0.Args[0]
  5256  		val := v_1
  5257  		mem := v_2
  5258  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5259  			break
  5260  		}
  5261  		v.reset(OpARM64FMOVSstore)
  5262  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5263  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5264  		v.AddArg3(ptr, val, mem)
  5265  		return true
  5266  	}
  5267  	return false
  5268  }
  5269  func rewriteValueARM64_OpARM64FMOVSstoreidx(v *Value) bool {
  5270  	v_3 := v.Args[3]
  5271  	v_2 := v.Args[2]
  5272  	v_1 := v.Args[1]
  5273  	v_0 := v.Args[0]
  5274  	// match: (FMOVSstoreidx ptr (MOVDconst [c]) val mem)
  5275  	// cond: is32Bit(c)
  5276  	// result: (FMOVSstore [int32(c)] ptr val mem)
  5277  	for {
  5278  		ptr := v_0
  5279  		if v_1.Op != OpARM64MOVDconst {
  5280  			break
  5281  		}
  5282  		c := auxIntToInt64(v_1.AuxInt)
  5283  		val := v_2
  5284  		mem := v_3
  5285  		if !(is32Bit(c)) {
  5286  			break
  5287  		}
  5288  		v.reset(OpARM64FMOVSstore)
  5289  		v.AuxInt = int32ToAuxInt(int32(c))
  5290  		v.AddArg3(ptr, val, mem)
  5291  		return true
  5292  	}
  5293  	// match: (FMOVSstoreidx (MOVDconst [c]) idx val mem)
  5294  	// cond: is32Bit(c)
  5295  	// result: (FMOVSstore [int32(c)] idx val mem)
  5296  	for {
  5297  		if v_0.Op != OpARM64MOVDconst {
  5298  			break
  5299  		}
  5300  		c := auxIntToInt64(v_0.AuxInt)
  5301  		idx := v_1
  5302  		val := v_2
  5303  		mem := v_3
  5304  		if !(is32Bit(c)) {
  5305  			break
  5306  		}
  5307  		v.reset(OpARM64FMOVSstore)
  5308  		v.AuxInt = int32ToAuxInt(int32(c))
  5309  		v.AddArg3(idx, val, mem)
  5310  		return true
  5311  	}
  5312  	// match: (FMOVSstoreidx ptr (SLLconst [2] idx) val mem)
  5313  	// result: (FMOVSstoreidx4 ptr idx val mem)
  5314  	for {
  5315  		ptr := v_0
  5316  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
  5317  			break
  5318  		}
  5319  		idx := v_1.Args[0]
  5320  		val := v_2
  5321  		mem := v_3
  5322  		v.reset(OpARM64FMOVSstoreidx4)
  5323  		v.AddArg4(ptr, idx, val, mem)
  5324  		return true
  5325  	}
  5326  	// match: (FMOVSstoreidx (SLLconst [2] idx) ptr val mem)
  5327  	// result: (FMOVSstoreidx4 ptr idx val mem)
  5328  	for {
  5329  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
  5330  			break
  5331  		}
  5332  		idx := v_0.Args[0]
  5333  		ptr := v_1
  5334  		val := v_2
  5335  		mem := v_3
  5336  		v.reset(OpARM64FMOVSstoreidx4)
  5337  		v.AddArg4(ptr, idx, val, mem)
  5338  		return true
  5339  	}
  5340  	return false
  5341  }
  5342  func rewriteValueARM64_OpARM64FMOVSstoreidx4(v *Value) bool {
  5343  	v_3 := v.Args[3]
  5344  	v_2 := v.Args[2]
  5345  	v_1 := v.Args[1]
  5346  	v_0 := v.Args[0]
  5347  	// match: (FMOVSstoreidx4 ptr (MOVDconst [c]) val mem)
  5348  	// cond: is32Bit(c<<2)
  5349  	// result: (FMOVSstore [int32(c)<<2] ptr val mem)
  5350  	for {
  5351  		ptr := v_0
  5352  		if v_1.Op != OpARM64MOVDconst {
  5353  			break
  5354  		}
  5355  		c := auxIntToInt64(v_1.AuxInt)
  5356  		val := v_2
  5357  		mem := v_3
  5358  		if !(is32Bit(c << 2)) {
  5359  			break
  5360  		}
  5361  		v.reset(OpARM64FMOVSstore)
  5362  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
  5363  		v.AddArg3(ptr, val, mem)
  5364  		return true
  5365  	}
  5366  	return false
  5367  }
  5368  func rewriteValueARM64_OpARM64FMULD(v *Value) bool {
  5369  	v_1 := v.Args[1]
  5370  	v_0 := v.Args[0]
  5371  	// match: (FMULD (FNEGD x) y)
  5372  	// result: (FNMULD x y)
  5373  	for {
  5374  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5375  			if v_0.Op != OpARM64FNEGD {
  5376  				continue
  5377  			}
  5378  			x := v_0.Args[0]
  5379  			y := v_1
  5380  			v.reset(OpARM64FNMULD)
  5381  			v.AddArg2(x, y)
  5382  			return true
  5383  		}
  5384  		break
  5385  	}
  5386  	return false
  5387  }
  5388  func rewriteValueARM64_OpARM64FMULS(v *Value) bool {
  5389  	v_1 := v.Args[1]
  5390  	v_0 := v.Args[0]
  5391  	// match: (FMULS (FNEGS x) y)
  5392  	// result: (FNMULS x y)
  5393  	for {
  5394  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5395  			if v_0.Op != OpARM64FNEGS {
  5396  				continue
  5397  			}
  5398  			x := v_0.Args[0]
  5399  			y := v_1
  5400  			v.reset(OpARM64FNMULS)
  5401  			v.AddArg2(x, y)
  5402  			return true
  5403  		}
  5404  		break
  5405  	}
  5406  	return false
  5407  }
  5408  func rewriteValueARM64_OpARM64FNEGD(v *Value) bool {
  5409  	v_0 := v.Args[0]
  5410  	// match: (FNEGD (FMULD x y))
  5411  	// result: (FNMULD x y)
  5412  	for {
  5413  		if v_0.Op != OpARM64FMULD {
  5414  			break
  5415  		}
  5416  		y := v_0.Args[1]
  5417  		x := v_0.Args[0]
  5418  		v.reset(OpARM64FNMULD)
  5419  		v.AddArg2(x, y)
  5420  		return true
  5421  	}
  5422  	// match: (FNEGD (FNMULD x y))
  5423  	// result: (FMULD x y)
  5424  	for {
  5425  		if v_0.Op != OpARM64FNMULD {
  5426  			break
  5427  		}
  5428  		y := v_0.Args[1]
  5429  		x := v_0.Args[0]
  5430  		v.reset(OpARM64FMULD)
  5431  		v.AddArg2(x, y)
  5432  		return true
  5433  	}
  5434  	return false
  5435  }
  5436  func rewriteValueARM64_OpARM64FNEGS(v *Value) bool {
  5437  	v_0 := v.Args[0]
  5438  	// match: (FNEGS (FMULS x y))
  5439  	// result: (FNMULS x y)
  5440  	for {
  5441  		if v_0.Op != OpARM64FMULS {
  5442  			break
  5443  		}
  5444  		y := v_0.Args[1]
  5445  		x := v_0.Args[0]
  5446  		v.reset(OpARM64FNMULS)
  5447  		v.AddArg2(x, y)
  5448  		return true
  5449  	}
  5450  	// match: (FNEGS (FNMULS x y))
  5451  	// result: (FMULS x y)
  5452  	for {
  5453  		if v_0.Op != OpARM64FNMULS {
  5454  			break
  5455  		}
  5456  		y := v_0.Args[1]
  5457  		x := v_0.Args[0]
  5458  		v.reset(OpARM64FMULS)
  5459  		v.AddArg2(x, y)
  5460  		return true
  5461  	}
  5462  	return false
  5463  }
  5464  func rewriteValueARM64_OpARM64FNMULD(v *Value) bool {
  5465  	v_1 := v.Args[1]
  5466  	v_0 := v.Args[0]
  5467  	// match: (FNMULD (FNEGD x) y)
  5468  	// result: (FMULD x y)
  5469  	for {
  5470  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5471  			if v_0.Op != OpARM64FNEGD {
  5472  				continue
  5473  			}
  5474  			x := v_0.Args[0]
  5475  			y := v_1
  5476  			v.reset(OpARM64FMULD)
  5477  			v.AddArg2(x, y)
  5478  			return true
  5479  		}
  5480  		break
  5481  	}
  5482  	return false
  5483  }
  5484  func rewriteValueARM64_OpARM64FNMULS(v *Value) bool {
  5485  	v_1 := v.Args[1]
  5486  	v_0 := v.Args[0]
  5487  	// match: (FNMULS (FNEGS x) y)
  5488  	// result: (FMULS x y)
  5489  	for {
  5490  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5491  			if v_0.Op != OpARM64FNEGS {
  5492  				continue
  5493  			}
  5494  			x := v_0.Args[0]
  5495  			y := v_1
  5496  			v.reset(OpARM64FMULS)
  5497  			v.AddArg2(x, y)
  5498  			return true
  5499  		}
  5500  		break
  5501  	}
  5502  	return false
  5503  }
  5504  func rewriteValueARM64_OpARM64FSUBD(v *Value) bool {
  5505  	v_1 := v.Args[1]
  5506  	v_0 := v.Args[0]
  5507  	// match: (FSUBD a (FMULD x y))
  5508  	// cond: a.Block.Func.useFMA(v)
  5509  	// result: (FMSUBD a x y)
  5510  	for {
  5511  		a := v_0
  5512  		if v_1.Op != OpARM64FMULD {
  5513  			break
  5514  		}
  5515  		y := v_1.Args[1]
  5516  		x := v_1.Args[0]
  5517  		if !(a.Block.Func.useFMA(v)) {
  5518  			break
  5519  		}
  5520  		v.reset(OpARM64FMSUBD)
  5521  		v.AddArg3(a, x, y)
  5522  		return true
  5523  	}
  5524  	// match: (FSUBD (FMULD x y) a)
  5525  	// cond: a.Block.Func.useFMA(v)
  5526  	// result: (FNMSUBD a x y)
  5527  	for {
  5528  		if v_0.Op != OpARM64FMULD {
  5529  			break
  5530  		}
  5531  		y := v_0.Args[1]
  5532  		x := v_0.Args[0]
  5533  		a := v_1
  5534  		if !(a.Block.Func.useFMA(v)) {
  5535  			break
  5536  		}
  5537  		v.reset(OpARM64FNMSUBD)
  5538  		v.AddArg3(a, x, y)
  5539  		return true
  5540  	}
  5541  	// match: (FSUBD a (FNMULD x y))
  5542  	// cond: a.Block.Func.useFMA(v)
  5543  	// result: (FMADDD a x y)
  5544  	for {
  5545  		a := v_0
  5546  		if v_1.Op != OpARM64FNMULD {
  5547  			break
  5548  		}
  5549  		y := v_1.Args[1]
  5550  		x := v_1.Args[0]
  5551  		if !(a.Block.Func.useFMA(v)) {
  5552  			break
  5553  		}
  5554  		v.reset(OpARM64FMADDD)
  5555  		v.AddArg3(a, x, y)
  5556  		return true
  5557  	}
  5558  	// match: (FSUBD (FNMULD x y) a)
  5559  	// cond: a.Block.Func.useFMA(v)
  5560  	// result: (FNMADDD a x y)
  5561  	for {
  5562  		if v_0.Op != OpARM64FNMULD {
  5563  			break
  5564  		}
  5565  		y := v_0.Args[1]
  5566  		x := v_0.Args[0]
  5567  		a := v_1
  5568  		if !(a.Block.Func.useFMA(v)) {
  5569  			break
  5570  		}
  5571  		v.reset(OpARM64FNMADDD)
  5572  		v.AddArg3(a, x, y)
  5573  		return true
  5574  	}
  5575  	return false
  5576  }
  5577  func rewriteValueARM64_OpARM64FSUBS(v *Value) bool {
  5578  	v_1 := v.Args[1]
  5579  	v_0 := v.Args[0]
  5580  	// match: (FSUBS a (FMULS x y))
  5581  	// cond: a.Block.Func.useFMA(v)
  5582  	// result: (FMSUBS a x y)
  5583  	for {
  5584  		a := v_0
  5585  		if v_1.Op != OpARM64FMULS {
  5586  			break
  5587  		}
  5588  		y := v_1.Args[1]
  5589  		x := v_1.Args[0]
  5590  		if !(a.Block.Func.useFMA(v)) {
  5591  			break
  5592  		}
  5593  		v.reset(OpARM64FMSUBS)
  5594  		v.AddArg3(a, x, y)
  5595  		return true
  5596  	}
  5597  	// match: (FSUBS (FMULS x y) a)
  5598  	// cond: a.Block.Func.useFMA(v)
  5599  	// result: (FNMSUBS a x y)
  5600  	for {
  5601  		if v_0.Op != OpARM64FMULS {
  5602  			break
  5603  		}
  5604  		y := v_0.Args[1]
  5605  		x := v_0.Args[0]
  5606  		a := v_1
  5607  		if !(a.Block.Func.useFMA(v)) {
  5608  			break
  5609  		}
  5610  		v.reset(OpARM64FNMSUBS)
  5611  		v.AddArg3(a, x, y)
  5612  		return true
  5613  	}
  5614  	// match: (FSUBS a (FNMULS x y))
  5615  	// cond: a.Block.Func.useFMA(v)
  5616  	// result: (FMADDS a x y)
  5617  	for {
  5618  		a := v_0
  5619  		if v_1.Op != OpARM64FNMULS {
  5620  			break
  5621  		}
  5622  		y := v_1.Args[1]
  5623  		x := v_1.Args[0]
  5624  		if !(a.Block.Func.useFMA(v)) {
  5625  			break
  5626  		}
  5627  		v.reset(OpARM64FMADDS)
  5628  		v.AddArg3(a, x, y)
  5629  		return true
  5630  	}
  5631  	// match: (FSUBS (FNMULS x y) a)
  5632  	// cond: a.Block.Func.useFMA(v)
  5633  	// result: (FNMADDS a x y)
  5634  	for {
  5635  		if v_0.Op != OpARM64FNMULS {
  5636  			break
  5637  		}
  5638  		y := v_0.Args[1]
  5639  		x := v_0.Args[0]
  5640  		a := v_1
  5641  		if !(a.Block.Func.useFMA(v)) {
  5642  			break
  5643  		}
  5644  		v.reset(OpARM64FNMADDS)
  5645  		v.AddArg3(a, x, y)
  5646  		return true
  5647  	}
  5648  	return false
  5649  }
  5650  func rewriteValueARM64_OpARM64GreaterEqual(v *Value) bool {
  5651  	v_0 := v.Args[0]
  5652  	b := v.Block
  5653  	// match: (GreaterEqual (CMPconst [0] z:(AND x y)))
  5654  	// cond: z.Uses == 1
  5655  	// result: (GreaterEqual (TST x y))
  5656  	for {
  5657  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5658  			break
  5659  		}
  5660  		z := v_0.Args[0]
  5661  		if z.Op != OpARM64AND {
  5662  			break
  5663  		}
  5664  		y := z.Args[1]
  5665  		x := z.Args[0]
  5666  		if !(z.Uses == 1) {
  5667  			break
  5668  		}
  5669  		v.reset(OpARM64GreaterEqual)
  5670  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  5671  		v0.AddArg2(x, y)
  5672  		v.AddArg(v0)
  5673  		return true
  5674  	}
  5675  	// match: (GreaterEqual (CMPWconst [0] x:(ANDconst [c] y)))
  5676  	// cond: x.Uses == 1
  5677  	// result: (GreaterEqual (TSTWconst [int32(c)] y))
  5678  	for {
  5679  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5680  			break
  5681  		}
  5682  		x := v_0.Args[0]
  5683  		if x.Op != OpARM64ANDconst {
  5684  			break
  5685  		}
  5686  		c := auxIntToInt64(x.AuxInt)
  5687  		y := x.Args[0]
  5688  		if !(x.Uses == 1) {
  5689  			break
  5690  		}
  5691  		v.reset(OpARM64GreaterEqual)
  5692  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  5693  		v0.AuxInt = int32ToAuxInt(int32(c))
  5694  		v0.AddArg(y)
  5695  		v.AddArg(v0)
  5696  		return true
  5697  	}
  5698  	// match: (GreaterEqual (CMPWconst [0] z:(AND x y)))
  5699  	// cond: z.Uses == 1
  5700  	// result: (GreaterEqual (TSTW x y))
  5701  	for {
  5702  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5703  			break
  5704  		}
  5705  		z := v_0.Args[0]
  5706  		if z.Op != OpARM64AND {
  5707  			break
  5708  		}
  5709  		y := z.Args[1]
  5710  		x := z.Args[0]
  5711  		if !(z.Uses == 1) {
  5712  			break
  5713  		}
  5714  		v.reset(OpARM64GreaterEqual)
  5715  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  5716  		v0.AddArg2(x, y)
  5717  		v.AddArg(v0)
  5718  		return true
  5719  	}
  5720  	// match: (GreaterEqual (CMPconst [0] x:(ANDconst [c] y)))
  5721  	// cond: x.Uses == 1
  5722  	// result: (GreaterEqual (TSTconst [c] y))
  5723  	for {
  5724  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5725  			break
  5726  		}
  5727  		x := v_0.Args[0]
  5728  		if x.Op != OpARM64ANDconst {
  5729  			break
  5730  		}
  5731  		c := auxIntToInt64(x.AuxInt)
  5732  		y := x.Args[0]
  5733  		if !(x.Uses == 1) {
  5734  			break
  5735  		}
  5736  		v.reset(OpARM64GreaterEqual)
  5737  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  5738  		v0.AuxInt = int64ToAuxInt(c)
  5739  		v0.AddArg(y)
  5740  		v.AddArg(v0)
  5741  		return true
  5742  	}
  5743  	// match: (GreaterEqual (CMPconst [0] x:(ADDconst [c] y)))
  5744  	// cond: x.Uses == 1
  5745  	// result: (GreaterEqualNoov (CMNconst [c] y))
  5746  	for {
  5747  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5748  			break
  5749  		}
  5750  		x := v_0.Args[0]
  5751  		if x.Op != OpARM64ADDconst {
  5752  			break
  5753  		}
  5754  		c := auxIntToInt64(x.AuxInt)
  5755  		y := x.Args[0]
  5756  		if !(x.Uses == 1) {
  5757  			break
  5758  		}
  5759  		v.reset(OpARM64GreaterEqualNoov)
  5760  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  5761  		v0.AuxInt = int64ToAuxInt(c)
  5762  		v0.AddArg(y)
  5763  		v.AddArg(v0)
  5764  		return true
  5765  	}
  5766  	// match: (GreaterEqual (CMPWconst [0] x:(ADDconst [c] y)))
  5767  	// cond: x.Uses == 1
  5768  	// result: (GreaterEqualNoov (CMNWconst [int32(c)] y))
  5769  	for {
  5770  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5771  			break
  5772  		}
  5773  		x := v_0.Args[0]
  5774  		if x.Op != OpARM64ADDconst {
  5775  			break
  5776  		}
  5777  		c := auxIntToInt64(x.AuxInt)
  5778  		y := x.Args[0]
  5779  		if !(x.Uses == 1) {
  5780  			break
  5781  		}
  5782  		v.reset(OpARM64GreaterEqualNoov)
  5783  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  5784  		v0.AuxInt = int32ToAuxInt(int32(c))
  5785  		v0.AddArg(y)
  5786  		v.AddArg(v0)
  5787  		return true
  5788  	}
  5789  	// match: (GreaterEqual (CMPconst [0] z:(ADD x y)))
  5790  	// cond: z.Uses == 1
  5791  	// result: (GreaterEqualNoov (CMN x y))
  5792  	for {
  5793  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5794  			break
  5795  		}
  5796  		z := v_0.Args[0]
  5797  		if z.Op != OpARM64ADD {
  5798  			break
  5799  		}
  5800  		y := z.Args[1]
  5801  		x := z.Args[0]
  5802  		if !(z.Uses == 1) {
  5803  			break
  5804  		}
  5805  		v.reset(OpARM64GreaterEqualNoov)
  5806  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  5807  		v0.AddArg2(x, y)
  5808  		v.AddArg(v0)
  5809  		return true
  5810  	}
  5811  	// match: (GreaterEqual (CMPWconst [0] z:(ADD x y)))
  5812  	// cond: z.Uses == 1
  5813  	// result: (GreaterEqualNoov (CMNW x y))
  5814  	for {
  5815  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5816  			break
  5817  		}
  5818  		z := v_0.Args[0]
  5819  		if z.Op != OpARM64ADD {
  5820  			break
  5821  		}
  5822  		y := z.Args[1]
  5823  		x := z.Args[0]
  5824  		if !(z.Uses == 1) {
  5825  			break
  5826  		}
  5827  		v.reset(OpARM64GreaterEqualNoov)
  5828  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  5829  		v0.AddArg2(x, y)
  5830  		v.AddArg(v0)
  5831  		return true
  5832  	}
  5833  	// match: (GreaterEqual (CMPconst [0] z:(MADD a x y)))
  5834  	// cond: z.Uses == 1
  5835  	// result: (GreaterEqualNoov (CMN a (MUL <x.Type> x y)))
  5836  	for {
  5837  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5838  			break
  5839  		}
  5840  		z := v_0.Args[0]
  5841  		if z.Op != OpARM64MADD {
  5842  			break
  5843  		}
  5844  		y := z.Args[2]
  5845  		a := z.Args[0]
  5846  		x := z.Args[1]
  5847  		if !(z.Uses == 1) {
  5848  			break
  5849  		}
  5850  		v.reset(OpARM64GreaterEqualNoov)
  5851  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  5852  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  5853  		v1.AddArg2(x, y)
  5854  		v0.AddArg2(a, v1)
  5855  		v.AddArg(v0)
  5856  		return true
  5857  	}
  5858  	// match: (GreaterEqual (CMPconst [0] z:(MSUB a x y)))
  5859  	// cond: z.Uses == 1
  5860  	// result: (GreaterEqualNoov (CMP a (MUL <x.Type> x y)))
  5861  	for {
  5862  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5863  			break
  5864  		}
  5865  		z := v_0.Args[0]
  5866  		if z.Op != OpARM64MSUB {
  5867  			break
  5868  		}
  5869  		y := z.Args[2]
  5870  		a := z.Args[0]
  5871  		x := z.Args[1]
  5872  		if !(z.Uses == 1) {
  5873  			break
  5874  		}
  5875  		v.reset(OpARM64GreaterEqualNoov)
  5876  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  5877  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  5878  		v1.AddArg2(x, y)
  5879  		v0.AddArg2(a, v1)
  5880  		v.AddArg(v0)
  5881  		return true
  5882  	}
  5883  	// match: (GreaterEqual (CMPWconst [0] z:(MADDW a x y)))
  5884  	// cond: z.Uses == 1
  5885  	// result: (GreaterEqualNoov (CMNW a (MULW <x.Type> x y)))
  5886  	for {
  5887  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5888  			break
  5889  		}
  5890  		z := v_0.Args[0]
  5891  		if z.Op != OpARM64MADDW {
  5892  			break
  5893  		}
  5894  		y := z.Args[2]
  5895  		a := z.Args[0]
  5896  		x := z.Args[1]
  5897  		if !(z.Uses == 1) {
  5898  			break
  5899  		}
  5900  		v.reset(OpARM64GreaterEqualNoov)
  5901  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  5902  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  5903  		v1.AddArg2(x, y)
  5904  		v0.AddArg2(a, v1)
  5905  		v.AddArg(v0)
  5906  		return true
  5907  	}
  5908  	// match: (GreaterEqual (CMPWconst [0] z:(MSUBW a x y)))
  5909  	// cond: z.Uses == 1
  5910  	// result: (GreaterEqualNoov (CMPW a (MULW <x.Type> x y)))
  5911  	for {
  5912  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5913  			break
  5914  		}
  5915  		z := v_0.Args[0]
  5916  		if z.Op != OpARM64MSUBW {
  5917  			break
  5918  		}
  5919  		y := z.Args[2]
  5920  		a := z.Args[0]
  5921  		x := z.Args[1]
  5922  		if !(z.Uses == 1) {
  5923  			break
  5924  		}
  5925  		v.reset(OpARM64GreaterEqualNoov)
  5926  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  5927  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  5928  		v1.AddArg2(x, y)
  5929  		v0.AddArg2(a, v1)
  5930  		v.AddArg(v0)
  5931  		return true
  5932  	}
  5933  	// match: (GreaterEqual (FlagConstant [fc]))
  5934  	// result: (MOVDconst [b2i(fc.ge())])
  5935  	for {
  5936  		if v_0.Op != OpARM64FlagConstant {
  5937  			break
  5938  		}
  5939  		fc := auxIntToFlagConstant(v_0.AuxInt)
  5940  		v.reset(OpARM64MOVDconst)
  5941  		v.AuxInt = int64ToAuxInt(b2i(fc.ge()))
  5942  		return true
  5943  	}
  5944  	// match: (GreaterEqual (InvertFlags x))
  5945  	// result: (LessEqual x)
  5946  	for {
  5947  		if v_0.Op != OpARM64InvertFlags {
  5948  			break
  5949  		}
  5950  		x := v_0.Args[0]
  5951  		v.reset(OpARM64LessEqual)
  5952  		v.AddArg(x)
  5953  		return true
  5954  	}
  5955  	return false
  5956  }
  5957  func rewriteValueARM64_OpARM64GreaterEqualF(v *Value) bool {
  5958  	v_0 := v.Args[0]
  5959  	// match: (GreaterEqualF (InvertFlags x))
  5960  	// result: (LessEqualF x)
  5961  	for {
  5962  		if v_0.Op != OpARM64InvertFlags {
  5963  			break
  5964  		}
  5965  		x := v_0.Args[0]
  5966  		v.reset(OpARM64LessEqualF)
  5967  		v.AddArg(x)
  5968  		return true
  5969  	}
  5970  	return false
  5971  }
  5972  func rewriteValueARM64_OpARM64GreaterEqualNoov(v *Value) bool {
  5973  	v_0 := v.Args[0]
  5974  	b := v.Block
  5975  	typ := &b.Func.Config.Types
  5976  	// match: (GreaterEqualNoov (InvertFlags x))
  5977  	// result: (CSINC [OpARM64NotEqual] (LessThanNoov <typ.Bool> x) (MOVDconst [0]) x)
  5978  	for {
  5979  		if v_0.Op != OpARM64InvertFlags {
  5980  			break
  5981  		}
  5982  		x := v_0.Args[0]
  5983  		v.reset(OpARM64CSINC)
  5984  		v.AuxInt = opToAuxInt(OpARM64NotEqual)
  5985  		v0 := b.NewValue0(v.Pos, OpARM64LessThanNoov, typ.Bool)
  5986  		v0.AddArg(x)
  5987  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
  5988  		v1.AuxInt = int64ToAuxInt(0)
  5989  		v.AddArg3(v0, v1, x)
  5990  		return true
  5991  	}
  5992  	return false
  5993  }
  5994  func rewriteValueARM64_OpARM64GreaterEqualU(v *Value) bool {
  5995  	v_0 := v.Args[0]
  5996  	// match: (GreaterEqualU (FlagConstant [fc]))
  5997  	// result: (MOVDconst [b2i(fc.uge())])
  5998  	for {
  5999  		if v_0.Op != OpARM64FlagConstant {
  6000  			break
  6001  		}
  6002  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6003  		v.reset(OpARM64MOVDconst)
  6004  		v.AuxInt = int64ToAuxInt(b2i(fc.uge()))
  6005  		return true
  6006  	}
  6007  	// match: (GreaterEqualU (InvertFlags x))
  6008  	// result: (LessEqualU x)
  6009  	for {
  6010  		if v_0.Op != OpARM64InvertFlags {
  6011  			break
  6012  		}
  6013  		x := v_0.Args[0]
  6014  		v.reset(OpARM64LessEqualU)
  6015  		v.AddArg(x)
  6016  		return true
  6017  	}
  6018  	return false
  6019  }
  6020  func rewriteValueARM64_OpARM64GreaterThan(v *Value) bool {
  6021  	v_0 := v.Args[0]
  6022  	b := v.Block
  6023  	// match: (GreaterThan (CMPconst [0] z:(AND x y)))
  6024  	// cond: z.Uses == 1
  6025  	// result: (GreaterThan (TST x y))
  6026  	for {
  6027  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6028  			break
  6029  		}
  6030  		z := v_0.Args[0]
  6031  		if z.Op != OpARM64AND {
  6032  			break
  6033  		}
  6034  		y := z.Args[1]
  6035  		x := z.Args[0]
  6036  		if !(z.Uses == 1) {
  6037  			break
  6038  		}
  6039  		v.reset(OpARM64GreaterThan)
  6040  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  6041  		v0.AddArg2(x, y)
  6042  		v.AddArg(v0)
  6043  		return true
  6044  	}
  6045  	// match: (GreaterThan (CMPWconst [0] x:(ANDconst [c] y)))
  6046  	// cond: x.Uses == 1
  6047  	// result: (GreaterThan (TSTWconst [int32(c)] y))
  6048  	for {
  6049  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6050  			break
  6051  		}
  6052  		x := v_0.Args[0]
  6053  		if x.Op != OpARM64ANDconst {
  6054  			break
  6055  		}
  6056  		c := auxIntToInt64(x.AuxInt)
  6057  		y := x.Args[0]
  6058  		if !(x.Uses == 1) {
  6059  			break
  6060  		}
  6061  		v.reset(OpARM64GreaterThan)
  6062  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  6063  		v0.AuxInt = int32ToAuxInt(int32(c))
  6064  		v0.AddArg(y)
  6065  		v.AddArg(v0)
  6066  		return true
  6067  	}
  6068  	// match: (GreaterThan (CMPWconst [0] z:(AND x y)))
  6069  	// cond: z.Uses == 1
  6070  	// result: (GreaterThan (TSTW x y))
  6071  	for {
  6072  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6073  			break
  6074  		}
  6075  		z := v_0.Args[0]
  6076  		if z.Op != OpARM64AND {
  6077  			break
  6078  		}
  6079  		y := z.Args[1]
  6080  		x := z.Args[0]
  6081  		if !(z.Uses == 1) {
  6082  			break
  6083  		}
  6084  		v.reset(OpARM64GreaterThan)
  6085  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  6086  		v0.AddArg2(x, y)
  6087  		v.AddArg(v0)
  6088  		return true
  6089  	}
  6090  	// match: (GreaterThan (CMPconst [0] x:(ANDconst [c] y)))
  6091  	// cond: x.Uses == 1
  6092  	// result: (GreaterThan (TSTconst [c] y))
  6093  	for {
  6094  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6095  			break
  6096  		}
  6097  		x := v_0.Args[0]
  6098  		if x.Op != OpARM64ANDconst {
  6099  			break
  6100  		}
  6101  		c := auxIntToInt64(x.AuxInt)
  6102  		y := x.Args[0]
  6103  		if !(x.Uses == 1) {
  6104  			break
  6105  		}
  6106  		v.reset(OpARM64GreaterThan)
  6107  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  6108  		v0.AuxInt = int64ToAuxInt(c)
  6109  		v0.AddArg(y)
  6110  		v.AddArg(v0)
  6111  		return true
  6112  	}
  6113  	// match: (GreaterThan (FlagConstant [fc]))
  6114  	// result: (MOVDconst [b2i(fc.gt())])
  6115  	for {
  6116  		if v_0.Op != OpARM64FlagConstant {
  6117  			break
  6118  		}
  6119  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6120  		v.reset(OpARM64MOVDconst)
  6121  		v.AuxInt = int64ToAuxInt(b2i(fc.gt()))
  6122  		return true
  6123  	}
  6124  	// match: (GreaterThan (InvertFlags x))
  6125  	// result: (LessThan x)
  6126  	for {
  6127  		if v_0.Op != OpARM64InvertFlags {
  6128  			break
  6129  		}
  6130  		x := v_0.Args[0]
  6131  		v.reset(OpARM64LessThan)
  6132  		v.AddArg(x)
  6133  		return true
  6134  	}
  6135  	return false
  6136  }
  6137  func rewriteValueARM64_OpARM64GreaterThanF(v *Value) bool {
  6138  	v_0 := v.Args[0]
  6139  	// match: (GreaterThanF (InvertFlags x))
  6140  	// result: (LessThanF x)
  6141  	for {
  6142  		if v_0.Op != OpARM64InvertFlags {
  6143  			break
  6144  		}
  6145  		x := v_0.Args[0]
  6146  		v.reset(OpARM64LessThanF)
  6147  		v.AddArg(x)
  6148  		return true
  6149  	}
  6150  	return false
  6151  }
  6152  func rewriteValueARM64_OpARM64GreaterThanU(v *Value) bool {
  6153  	v_0 := v.Args[0]
  6154  	// match: (GreaterThanU (FlagConstant [fc]))
  6155  	// result: (MOVDconst [b2i(fc.ugt())])
  6156  	for {
  6157  		if v_0.Op != OpARM64FlagConstant {
  6158  			break
  6159  		}
  6160  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6161  		v.reset(OpARM64MOVDconst)
  6162  		v.AuxInt = int64ToAuxInt(b2i(fc.ugt()))
  6163  		return true
  6164  	}
  6165  	// match: (GreaterThanU (InvertFlags x))
  6166  	// result: (LessThanU x)
  6167  	for {
  6168  		if v_0.Op != OpARM64InvertFlags {
  6169  			break
  6170  		}
  6171  		x := v_0.Args[0]
  6172  		v.reset(OpARM64LessThanU)
  6173  		v.AddArg(x)
  6174  		return true
  6175  	}
  6176  	return false
  6177  }
  6178  func rewriteValueARM64_OpARM64LDP(v *Value) bool {
  6179  	v_1 := v.Args[1]
  6180  	v_0 := v.Args[0]
  6181  	b := v.Block
  6182  	config := b.Func.Config
  6183  	// match: (LDP [off1] {sym} (ADDconst [off2] ptr) mem)
  6184  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6185  	// result: (LDP [off1+int32(off2)] {sym} ptr mem)
  6186  	for {
  6187  		off1 := auxIntToInt32(v.AuxInt)
  6188  		sym := auxToSym(v.Aux)
  6189  		if v_0.Op != OpARM64ADDconst {
  6190  			break
  6191  		}
  6192  		off2 := auxIntToInt64(v_0.AuxInt)
  6193  		ptr := v_0.Args[0]
  6194  		mem := v_1
  6195  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6196  			break
  6197  		}
  6198  		v.reset(OpARM64LDP)
  6199  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6200  		v.Aux = symToAux(sym)
  6201  		v.AddArg2(ptr, mem)
  6202  		return true
  6203  	}
  6204  	// match: (LDP [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  6205  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6206  	// result: (LDP [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  6207  	for {
  6208  		off1 := auxIntToInt32(v.AuxInt)
  6209  		sym1 := auxToSym(v.Aux)
  6210  		if v_0.Op != OpARM64MOVDaddr {
  6211  			break
  6212  		}
  6213  		off2 := auxIntToInt32(v_0.AuxInt)
  6214  		sym2 := auxToSym(v_0.Aux)
  6215  		ptr := v_0.Args[0]
  6216  		mem := v_1
  6217  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6218  			break
  6219  		}
  6220  		v.reset(OpARM64LDP)
  6221  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6222  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6223  		v.AddArg2(ptr, mem)
  6224  		return true
  6225  	}
  6226  	return false
  6227  }
  6228  func rewriteValueARM64_OpARM64LessEqual(v *Value) bool {
  6229  	v_0 := v.Args[0]
  6230  	b := v.Block
  6231  	// match: (LessEqual (CMPconst [0] z:(AND x y)))
  6232  	// cond: z.Uses == 1
  6233  	// result: (LessEqual (TST x y))
  6234  	for {
  6235  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6236  			break
  6237  		}
  6238  		z := v_0.Args[0]
  6239  		if z.Op != OpARM64AND {
  6240  			break
  6241  		}
  6242  		y := z.Args[1]
  6243  		x := z.Args[0]
  6244  		if !(z.Uses == 1) {
  6245  			break
  6246  		}
  6247  		v.reset(OpARM64LessEqual)
  6248  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  6249  		v0.AddArg2(x, y)
  6250  		v.AddArg(v0)
  6251  		return true
  6252  	}
  6253  	// match: (LessEqual (CMPWconst [0] x:(ANDconst [c] y)))
  6254  	// cond: x.Uses == 1
  6255  	// result: (LessEqual (TSTWconst [int32(c)] y))
  6256  	for {
  6257  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6258  			break
  6259  		}
  6260  		x := v_0.Args[0]
  6261  		if x.Op != OpARM64ANDconst {
  6262  			break
  6263  		}
  6264  		c := auxIntToInt64(x.AuxInt)
  6265  		y := x.Args[0]
  6266  		if !(x.Uses == 1) {
  6267  			break
  6268  		}
  6269  		v.reset(OpARM64LessEqual)
  6270  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  6271  		v0.AuxInt = int32ToAuxInt(int32(c))
  6272  		v0.AddArg(y)
  6273  		v.AddArg(v0)
  6274  		return true
  6275  	}
  6276  	// match: (LessEqual (CMPWconst [0] z:(AND x y)))
  6277  	// cond: z.Uses == 1
  6278  	// result: (LessEqual (TSTW x y))
  6279  	for {
  6280  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6281  			break
  6282  		}
  6283  		z := v_0.Args[0]
  6284  		if z.Op != OpARM64AND {
  6285  			break
  6286  		}
  6287  		y := z.Args[1]
  6288  		x := z.Args[0]
  6289  		if !(z.Uses == 1) {
  6290  			break
  6291  		}
  6292  		v.reset(OpARM64LessEqual)
  6293  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  6294  		v0.AddArg2(x, y)
  6295  		v.AddArg(v0)
  6296  		return true
  6297  	}
  6298  	// match: (LessEqual (CMPconst [0] x:(ANDconst [c] y)))
  6299  	// cond: x.Uses == 1
  6300  	// result: (LessEqual (TSTconst [c] y))
  6301  	for {
  6302  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6303  			break
  6304  		}
  6305  		x := v_0.Args[0]
  6306  		if x.Op != OpARM64ANDconst {
  6307  			break
  6308  		}
  6309  		c := auxIntToInt64(x.AuxInt)
  6310  		y := x.Args[0]
  6311  		if !(x.Uses == 1) {
  6312  			break
  6313  		}
  6314  		v.reset(OpARM64LessEqual)
  6315  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  6316  		v0.AuxInt = int64ToAuxInt(c)
  6317  		v0.AddArg(y)
  6318  		v.AddArg(v0)
  6319  		return true
  6320  	}
  6321  	// match: (LessEqual (FlagConstant [fc]))
  6322  	// result: (MOVDconst [b2i(fc.le())])
  6323  	for {
  6324  		if v_0.Op != OpARM64FlagConstant {
  6325  			break
  6326  		}
  6327  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6328  		v.reset(OpARM64MOVDconst)
  6329  		v.AuxInt = int64ToAuxInt(b2i(fc.le()))
  6330  		return true
  6331  	}
  6332  	// match: (LessEqual (InvertFlags x))
  6333  	// result: (GreaterEqual x)
  6334  	for {
  6335  		if v_0.Op != OpARM64InvertFlags {
  6336  			break
  6337  		}
  6338  		x := v_0.Args[0]
  6339  		v.reset(OpARM64GreaterEqual)
  6340  		v.AddArg(x)
  6341  		return true
  6342  	}
  6343  	return false
  6344  }
  6345  func rewriteValueARM64_OpARM64LessEqualF(v *Value) bool {
  6346  	v_0 := v.Args[0]
  6347  	// match: (LessEqualF (InvertFlags x))
  6348  	// result: (GreaterEqualF x)
  6349  	for {
  6350  		if v_0.Op != OpARM64InvertFlags {
  6351  			break
  6352  		}
  6353  		x := v_0.Args[0]
  6354  		v.reset(OpARM64GreaterEqualF)
  6355  		v.AddArg(x)
  6356  		return true
  6357  	}
  6358  	return false
  6359  }
  6360  func rewriteValueARM64_OpARM64LessEqualU(v *Value) bool {
  6361  	v_0 := v.Args[0]
  6362  	// match: (LessEqualU (FlagConstant [fc]))
  6363  	// result: (MOVDconst [b2i(fc.ule())])
  6364  	for {
  6365  		if v_0.Op != OpARM64FlagConstant {
  6366  			break
  6367  		}
  6368  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6369  		v.reset(OpARM64MOVDconst)
  6370  		v.AuxInt = int64ToAuxInt(b2i(fc.ule()))
  6371  		return true
  6372  	}
  6373  	// match: (LessEqualU (InvertFlags x))
  6374  	// result: (GreaterEqualU x)
  6375  	for {
  6376  		if v_0.Op != OpARM64InvertFlags {
  6377  			break
  6378  		}
  6379  		x := v_0.Args[0]
  6380  		v.reset(OpARM64GreaterEqualU)
  6381  		v.AddArg(x)
  6382  		return true
  6383  	}
  6384  	return false
  6385  }
  6386  func rewriteValueARM64_OpARM64LessThan(v *Value) bool {
  6387  	v_0 := v.Args[0]
  6388  	b := v.Block
  6389  	// match: (LessThan (CMPconst [0] z:(AND x y)))
  6390  	// cond: z.Uses == 1
  6391  	// result: (LessThan (TST x y))
  6392  	for {
  6393  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6394  			break
  6395  		}
  6396  		z := v_0.Args[0]
  6397  		if z.Op != OpARM64AND {
  6398  			break
  6399  		}
  6400  		y := z.Args[1]
  6401  		x := z.Args[0]
  6402  		if !(z.Uses == 1) {
  6403  			break
  6404  		}
  6405  		v.reset(OpARM64LessThan)
  6406  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  6407  		v0.AddArg2(x, y)
  6408  		v.AddArg(v0)
  6409  		return true
  6410  	}
  6411  	// match: (LessThan (CMPWconst [0] x:(ANDconst [c] y)))
  6412  	// cond: x.Uses == 1
  6413  	// result: (LessThan (TSTWconst [int32(c)] y))
  6414  	for {
  6415  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6416  			break
  6417  		}
  6418  		x := v_0.Args[0]
  6419  		if x.Op != OpARM64ANDconst {
  6420  			break
  6421  		}
  6422  		c := auxIntToInt64(x.AuxInt)
  6423  		y := x.Args[0]
  6424  		if !(x.Uses == 1) {
  6425  			break
  6426  		}
  6427  		v.reset(OpARM64LessThan)
  6428  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  6429  		v0.AuxInt = int32ToAuxInt(int32(c))
  6430  		v0.AddArg(y)
  6431  		v.AddArg(v0)
  6432  		return true
  6433  	}
  6434  	// match: (LessThan (CMPWconst [0] z:(AND x y)))
  6435  	// cond: z.Uses == 1
  6436  	// result: (LessThan (TSTW x y))
  6437  	for {
  6438  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6439  			break
  6440  		}
  6441  		z := v_0.Args[0]
  6442  		if z.Op != OpARM64AND {
  6443  			break
  6444  		}
  6445  		y := z.Args[1]
  6446  		x := z.Args[0]
  6447  		if !(z.Uses == 1) {
  6448  			break
  6449  		}
  6450  		v.reset(OpARM64LessThan)
  6451  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  6452  		v0.AddArg2(x, y)
  6453  		v.AddArg(v0)
  6454  		return true
  6455  	}
  6456  	// match: (LessThan (CMPconst [0] x:(ANDconst [c] y)))
  6457  	// cond: x.Uses == 1
  6458  	// result: (LessThan (TSTconst [c] y))
  6459  	for {
  6460  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6461  			break
  6462  		}
  6463  		x := v_0.Args[0]
  6464  		if x.Op != OpARM64ANDconst {
  6465  			break
  6466  		}
  6467  		c := auxIntToInt64(x.AuxInt)
  6468  		y := x.Args[0]
  6469  		if !(x.Uses == 1) {
  6470  			break
  6471  		}
  6472  		v.reset(OpARM64LessThan)
  6473  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  6474  		v0.AuxInt = int64ToAuxInt(c)
  6475  		v0.AddArg(y)
  6476  		v.AddArg(v0)
  6477  		return true
  6478  	}
  6479  	// match: (LessThan (CMPconst [0] x:(ADDconst [c] y)))
  6480  	// cond: x.Uses == 1
  6481  	// result: (LessThanNoov (CMNconst [c] y))
  6482  	for {
  6483  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6484  			break
  6485  		}
  6486  		x := v_0.Args[0]
  6487  		if x.Op != OpARM64ADDconst {
  6488  			break
  6489  		}
  6490  		c := auxIntToInt64(x.AuxInt)
  6491  		y := x.Args[0]
  6492  		if !(x.Uses == 1) {
  6493  			break
  6494  		}
  6495  		v.reset(OpARM64LessThanNoov)
  6496  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  6497  		v0.AuxInt = int64ToAuxInt(c)
  6498  		v0.AddArg(y)
  6499  		v.AddArg(v0)
  6500  		return true
  6501  	}
  6502  	// match: (LessThan (CMPWconst [0] x:(ADDconst [c] y)))
  6503  	// cond: x.Uses == 1
  6504  	// result: (LessThanNoov (CMNWconst [int32(c)] y))
  6505  	for {
  6506  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6507  			break
  6508  		}
  6509  		x := v_0.Args[0]
  6510  		if x.Op != OpARM64ADDconst {
  6511  			break
  6512  		}
  6513  		c := auxIntToInt64(x.AuxInt)
  6514  		y := x.Args[0]
  6515  		if !(x.Uses == 1) {
  6516  			break
  6517  		}
  6518  		v.reset(OpARM64LessThanNoov)
  6519  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  6520  		v0.AuxInt = int32ToAuxInt(int32(c))
  6521  		v0.AddArg(y)
  6522  		v.AddArg(v0)
  6523  		return true
  6524  	}
  6525  	// match: (LessThan (CMPconst [0] z:(ADD x y)))
  6526  	// cond: z.Uses == 1
  6527  	// result: (LessThanNoov (CMN x y))
  6528  	for {
  6529  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6530  			break
  6531  		}
  6532  		z := v_0.Args[0]
  6533  		if z.Op != OpARM64ADD {
  6534  			break
  6535  		}
  6536  		y := z.Args[1]
  6537  		x := z.Args[0]
  6538  		if !(z.Uses == 1) {
  6539  			break
  6540  		}
  6541  		v.reset(OpARM64LessThanNoov)
  6542  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  6543  		v0.AddArg2(x, y)
  6544  		v.AddArg(v0)
  6545  		return true
  6546  	}
  6547  	// match: (LessThan (CMPWconst [0] z:(ADD x y)))
  6548  	// cond: z.Uses == 1
  6549  	// result: (LessThanNoov (CMNW x y))
  6550  	for {
  6551  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6552  			break
  6553  		}
  6554  		z := v_0.Args[0]
  6555  		if z.Op != OpARM64ADD {
  6556  			break
  6557  		}
  6558  		y := z.Args[1]
  6559  		x := z.Args[0]
  6560  		if !(z.Uses == 1) {
  6561  			break
  6562  		}
  6563  		v.reset(OpARM64LessThanNoov)
  6564  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  6565  		v0.AddArg2(x, y)
  6566  		v.AddArg(v0)
  6567  		return true
  6568  	}
  6569  	// match: (LessThan (CMPconst [0] z:(MADD a x y)))
  6570  	// cond: z.Uses == 1
  6571  	// result: (LessThanNoov (CMN a (MUL <x.Type> x y)))
  6572  	for {
  6573  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6574  			break
  6575  		}
  6576  		z := v_0.Args[0]
  6577  		if z.Op != OpARM64MADD {
  6578  			break
  6579  		}
  6580  		y := z.Args[2]
  6581  		a := z.Args[0]
  6582  		x := z.Args[1]
  6583  		if !(z.Uses == 1) {
  6584  			break
  6585  		}
  6586  		v.reset(OpARM64LessThanNoov)
  6587  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  6588  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  6589  		v1.AddArg2(x, y)
  6590  		v0.AddArg2(a, v1)
  6591  		v.AddArg(v0)
  6592  		return true
  6593  	}
  6594  	// match: (LessThan (CMPconst [0] z:(MSUB a x y)))
  6595  	// cond: z.Uses == 1
  6596  	// result: (LessThanNoov (CMP a (MUL <x.Type> x y)))
  6597  	for {
  6598  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6599  			break
  6600  		}
  6601  		z := v_0.Args[0]
  6602  		if z.Op != OpARM64MSUB {
  6603  			break
  6604  		}
  6605  		y := z.Args[2]
  6606  		a := z.Args[0]
  6607  		x := z.Args[1]
  6608  		if !(z.Uses == 1) {
  6609  			break
  6610  		}
  6611  		v.reset(OpARM64LessThanNoov)
  6612  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  6613  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  6614  		v1.AddArg2(x, y)
  6615  		v0.AddArg2(a, v1)
  6616  		v.AddArg(v0)
  6617  		return true
  6618  	}
  6619  	// match: (LessThan (CMPWconst [0] z:(MADDW a x y)))
  6620  	// cond: z.Uses == 1
  6621  	// result: (LessThanNoov (CMNW a (MULW <x.Type> x y)))
  6622  	for {
  6623  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6624  			break
  6625  		}
  6626  		z := v_0.Args[0]
  6627  		if z.Op != OpARM64MADDW {
  6628  			break
  6629  		}
  6630  		y := z.Args[2]
  6631  		a := z.Args[0]
  6632  		x := z.Args[1]
  6633  		if !(z.Uses == 1) {
  6634  			break
  6635  		}
  6636  		v.reset(OpARM64LessThanNoov)
  6637  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  6638  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  6639  		v1.AddArg2(x, y)
  6640  		v0.AddArg2(a, v1)
  6641  		v.AddArg(v0)
  6642  		return true
  6643  	}
  6644  	// match: (LessThan (CMPWconst [0] z:(MSUBW a x y)))
  6645  	// cond: z.Uses == 1
  6646  	// result: (LessThanNoov (CMPW a (MULW <x.Type> x y)))
  6647  	for {
  6648  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6649  			break
  6650  		}
  6651  		z := v_0.Args[0]
  6652  		if z.Op != OpARM64MSUBW {
  6653  			break
  6654  		}
  6655  		y := z.Args[2]
  6656  		a := z.Args[0]
  6657  		x := z.Args[1]
  6658  		if !(z.Uses == 1) {
  6659  			break
  6660  		}
  6661  		v.reset(OpARM64LessThanNoov)
  6662  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  6663  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  6664  		v1.AddArg2(x, y)
  6665  		v0.AddArg2(a, v1)
  6666  		v.AddArg(v0)
  6667  		return true
  6668  	}
  6669  	// match: (LessThan (FlagConstant [fc]))
  6670  	// result: (MOVDconst [b2i(fc.lt())])
  6671  	for {
  6672  		if v_0.Op != OpARM64FlagConstant {
  6673  			break
  6674  		}
  6675  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6676  		v.reset(OpARM64MOVDconst)
  6677  		v.AuxInt = int64ToAuxInt(b2i(fc.lt()))
  6678  		return true
  6679  	}
  6680  	// match: (LessThan (InvertFlags x))
  6681  	// result: (GreaterThan x)
  6682  	for {
  6683  		if v_0.Op != OpARM64InvertFlags {
  6684  			break
  6685  		}
  6686  		x := v_0.Args[0]
  6687  		v.reset(OpARM64GreaterThan)
  6688  		v.AddArg(x)
  6689  		return true
  6690  	}
  6691  	return false
  6692  }
  6693  func rewriteValueARM64_OpARM64LessThanF(v *Value) bool {
  6694  	v_0 := v.Args[0]
  6695  	// match: (LessThanF (InvertFlags x))
  6696  	// result: (GreaterThanF x)
  6697  	for {
  6698  		if v_0.Op != OpARM64InvertFlags {
  6699  			break
  6700  		}
  6701  		x := v_0.Args[0]
  6702  		v.reset(OpARM64GreaterThanF)
  6703  		v.AddArg(x)
  6704  		return true
  6705  	}
  6706  	return false
  6707  }
  6708  func rewriteValueARM64_OpARM64LessThanNoov(v *Value) bool {
  6709  	v_0 := v.Args[0]
  6710  	b := v.Block
  6711  	typ := &b.Func.Config.Types
  6712  	// match: (LessThanNoov (InvertFlags x))
  6713  	// result: (CSEL0 [OpARM64NotEqual] (GreaterEqualNoov <typ.Bool> x) x)
  6714  	for {
  6715  		if v_0.Op != OpARM64InvertFlags {
  6716  			break
  6717  		}
  6718  		x := v_0.Args[0]
  6719  		v.reset(OpARM64CSEL0)
  6720  		v.AuxInt = opToAuxInt(OpARM64NotEqual)
  6721  		v0 := b.NewValue0(v.Pos, OpARM64GreaterEqualNoov, typ.Bool)
  6722  		v0.AddArg(x)
  6723  		v.AddArg2(v0, x)
  6724  		return true
  6725  	}
  6726  	return false
  6727  }
  6728  func rewriteValueARM64_OpARM64LessThanU(v *Value) bool {
  6729  	v_0 := v.Args[0]
  6730  	// match: (LessThanU (FlagConstant [fc]))
  6731  	// result: (MOVDconst [b2i(fc.ult())])
  6732  	for {
  6733  		if v_0.Op != OpARM64FlagConstant {
  6734  			break
  6735  		}
  6736  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6737  		v.reset(OpARM64MOVDconst)
  6738  		v.AuxInt = int64ToAuxInt(b2i(fc.ult()))
  6739  		return true
  6740  	}
  6741  	// match: (LessThanU (InvertFlags x))
  6742  	// result: (GreaterThanU x)
  6743  	for {
  6744  		if v_0.Op != OpARM64InvertFlags {
  6745  			break
  6746  		}
  6747  		x := v_0.Args[0]
  6748  		v.reset(OpARM64GreaterThanU)
  6749  		v.AddArg(x)
  6750  		return true
  6751  	}
  6752  	return false
  6753  }
  6754  func rewriteValueARM64_OpARM64MADD(v *Value) bool {
  6755  	v_2 := v.Args[2]
  6756  	v_1 := v.Args[1]
  6757  	v_0 := v.Args[0]
  6758  	b := v.Block
  6759  	// match: (MADD a x (MOVDconst [-1]))
  6760  	// result: (SUB a x)
  6761  	for {
  6762  		a := v_0
  6763  		x := v_1
  6764  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != -1 {
  6765  			break
  6766  		}
  6767  		v.reset(OpARM64SUB)
  6768  		v.AddArg2(a, x)
  6769  		return true
  6770  	}
  6771  	// match: (MADD a _ (MOVDconst [0]))
  6772  	// result: a
  6773  	for {
  6774  		a := v_0
  6775  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  6776  			break
  6777  		}
  6778  		v.copyOf(a)
  6779  		return true
  6780  	}
  6781  	// match: (MADD a x (MOVDconst [1]))
  6782  	// result: (ADD a x)
  6783  	for {
  6784  		a := v_0
  6785  		x := v_1
  6786  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 1 {
  6787  			break
  6788  		}
  6789  		v.reset(OpARM64ADD)
  6790  		v.AddArg2(a, x)
  6791  		return true
  6792  	}
  6793  	// match: (MADD a x (MOVDconst [c]))
  6794  	// cond: isPowerOfTwo64(c)
  6795  	// result: (ADDshiftLL a x [log64(c)])
  6796  	for {
  6797  		a := v_0
  6798  		x := v_1
  6799  		if v_2.Op != OpARM64MOVDconst {
  6800  			break
  6801  		}
  6802  		c := auxIntToInt64(v_2.AuxInt)
  6803  		if !(isPowerOfTwo64(c)) {
  6804  			break
  6805  		}
  6806  		v.reset(OpARM64ADDshiftLL)
  6807  		v.AuxInt = int64ToAuxInt(log64(c))
  6808  		v.AddArg2(a, x)
  6809  		return true
  6810  	}
  6811  	// match: (MADD a x (MOVDconst [c]))
  6812  	// cond: isPowerOfTwo64(c-1) && c>=3
  6813  	// result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)]))
  6814  	for {
  6815  		a := v_0
  6816  		x := v_1
  6817  		if v_2.Op != OpARM64MOVDconst {
  6818  			break
  6819  		}
  6820  		c := auxIntToInt64(v_2.AuxInt)
  6821  		if !(isPowerOfTwo64(c-1) && c >= 3) {
  6822  			break
  6823  		}
  6824  		v.reset(OpARM64ADD)
  6825  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  6826  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
  6827  		v0.AddArg2(x, x)
  6828  		v.AddArg2(a, v0)
  6829  		return true
  6830  	}
  6831  	// match: (MADD a x (MOVDconst [c]))
  6832  	// cond: isPowerOfTwo64(c+1) && c>=7
  6833  	// result: (SUB a (SUBshiftLL <x.Type> x x [log64(c+1)]))
  6834  	for {
  6835  		a := v_0
  6836  		x := v_1
  6837  		if v_2.Op != OpARM64MOVDconst {
  6838  			break
  6839  		}
  6840  		c := auxIntToInt64(v_2.AuxInt)
  6841  		if !(isPowerOfTwo64(c+1) && c >= 7) {
  6842  			break
  6843  		}
  6844  		v.reset(OpARM64SUB)
  6845  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  6846  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
  6847  		v0.AddArg2(x, x)
  6848  		v.AddArg2(a, v0)
  6849  		return true
  6850  	}
  6851  	// match: (MADD a x (MOVDconst [c]))
  6852  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
  6853  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
  6854  	for {
  6855  		a := v_0
  6856  		x := v_1
  6857  		if v_2.Op != OpARM64MOVDconst {
  6858  			break
  6859  		}
  6860  		c := auxIntToInt64(v_2.AuxInt)
  6861  		if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
  6862  			break
  6863  		}
  6864  		v.reset(OpARM64SUBshiftLL)
  6865  		v.AuxInt = int64ToAuxInt(log64(c / 3))
  6866  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  6867  		v0.AuxInt = int64ToAuxInt(2)
  6868  		v0.AddArg2(x, x)
  6869  		v.AddArg2(a, v0)
  6870  		return true
  6871  	}
  6872  	// match: (MADD a x (MOVDconst [c]))
  6873  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
  6874  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
  6875  	for {
  6876  		a := v_0
  6877  		x := v_1
  6878  		if v_2.Op != OpARM64MOVDconst {
  6879  			break
  6880  		}
  6881  		c := auxIntToInt64(v_2.AuxInt)
  6882  		if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
  6883  			break
  6884  		}
  6885  		v.reset(OpARM64ADDshiftLL)
  6886  		v.AuxInt = int64ToAuxInt(log64(c / 5))
  6887  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  6888  		v0.AuxInt = int64ToAuxInt(2)
  6889  		v0.AddArg2(x, x)
  6890  		v.AddArg2(a, v0)
  6891  		return true
  6892  	}
  6893  	// match: (MADD a x (MOVDconst [c]))
  6894  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
  6895  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
  6896  	for {
  6897  		a := v_0
  6898  		x := v_1
  6899  		if v_2.Op != OpARM64MOVDconst {
  6900  			break
  6901  		}
  6902  		c := auxIntToInt64(v_2.AuxInt)
  6903  		if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
  6904  			break
  6905  		}
  6906  		v.reset(OpARM64SUBshiftLL)
  6907  		v.AuxInt = int64ToAuxInt(log64(c / 7))
  6908  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  6909  		v0.AuxInt = int64ToAuxInt(3)
  6910  		v0.AddArg2(x, x)
  6911  		v.AddArg2(a, v0)
  6912  		return true
  6913  	}
  6914  	// match: (MADD a x (MOVDconst [c]))
  6915  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
  6916  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
  6917  	for {
  6918  		a := v_0
  6919  		x := v_1
  6920  		if v_2.Op != OpARM64MOVDconst {
  6921  			break
  6922  		}
  6923  		c := auxIntToInt64(v_2.AuxInt)
  6924  		if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
  6925  			break
  6926  		}
  6927  		v.reset(OpARM64ADDshiftLL)
  6928  		v.AuxInt = int64ToAuxInt(log64(c / 9))
  6929  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  6930  		v0.AuxInt = int64ToAuxInt(3)
  6931  		v0.AddArg2(x, x)
  6932  		v.AddArg2(a, v0)
  6933  		return true
  6934  	}
  6935  	// match: (MADD a (MOVDconst [-1]) x)
  6936  	// result: (SUB a x)
  6937  	for {
  6938  		a := v_0
  6939  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  6940  			break
  6941  		}
  6942  		x := v_2
  6943  		v.reset(OpARM64SUB)
  6944  		v.AddArg2(a, x)
  6945  		return true
  6946  	}
  6947  	// match: (MADD a (MOVDconst [0]) _)
  6948  	// result: a
  6949  	for {
  6950  		a := v_0
  6951  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  6952  			break
  6953  		}
  6954  		v.copyOf(a)
  6955  		return true
  6956  	}
  6957  	// match: (MADD a (MOVDconst [1]) x)
  6958  	// result: (ADD a x)
  6959  	for {
  6960  		a := v_0
  6961  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  6962  			break
  6963  		}
  6964  		x := v_2
  6965  		v.reset(OpARM64ADD)
  6966  		v.AddArg2(a, x)
  6967  		return true
  6968  	}
  6969  	// match: (MADD a (MOVDconst [c]) x)
  6970  	// cond: isPowerOfTwo64(c)
  6971  	// result: (ADDshiftLL a x [log64(c)])
  6972  	for {
  6973  		a := v_0
  6974  		if v_1.Op != OpARM64MOVDconst {
  6975  			break
  6976  		}
  6977  		c := auxIntToInt64(v_1.AuxInt)
  6978  		x := v_2
  6979  		if !(isPowerOfTwo64(c)) {
  6980  			break
  6981  		}
  6982  		v.reset(OpARM64ADDshiftLL)
  6983  		v.AuxInt = int64ToAuxInt(log64(c))
  6984  		v.AddArg2(a, x)
  6985  		return true
  6986  	}
  6987  	// match: (MADD a (MOVDconst [c]) x)
  6988  	// cond: isPowerOfTwo64(c-1) && c>=3
  6989  	// result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)]))
  6990  	for {
  6991  		a := v_0
  6992  		if v_1.Op != OpARM64MOVDconst {
  6993  			break
  6994  		}
  6995  		c := auxIntToInt64(v_1.AuxInt)
  6996  		x := v_2
  6997  		if !(isPowerOfTwo64(c-1) && c >= 3) {
  6998  			break
  6999  		}
  7000  		v.reset(OpARM64ADD)
  7001  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7002  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
  7003  		v0.AddArg2(x, x)
  7004  		v.AddArg2(a, v0)
  7005  		return true
  7006  	}
  7007  	// match: (MADD a (MOVDconst [c]) x)
  7008  	// cond: isPowerOfTwo64(c+1) && c>=7
  7009  	// result: (SUB a (SUBshiftLL <x.Type> x x [log64(c+1)]))
  7010  	for {
  7011  		a := v_0
  7012  		if v_1.Op != OpARM64MOVDconst {
  7013  			break
  7014  		}
  7015  		c := auxIntToInt64(v_1.AuxInt)
  7016  		x := v_2
  7017  		if !(isPowerOfTwo64(c+1) && c >= 7) {
  7018  			break
  7019  		}
  7020  		v.reset(OpARM64SUB)
  7021  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7022  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
  7023  		v0.AddArg2(x, x)
  7024  		v.AddArg2(a, v0)
  7025  		return true
  7026  	}
  7027  	// match: (MADD a (MOVDconst [c]) x)
  7028  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
  7029  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
  7030  	for {
  7031  		a := v_0
  7032  		if v_1.Op != OpARM64MOVDconst {
  7033  			break
  7034  		}
  7035  		c := auxIntToInt64(v_1.AuxInt)
  7036  		x := v_2
  7037  		if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
  7038  			break
  7039  		}
  7040  		v.reset(OpARM64SUBshiftLL)
  7041  		v.AuxInt = int64ToAuxInt(log64(c / 3))
  7042  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7043  		v0.AuxInt = int64ToAuxInt(2)
  7044  		v0.AddArg2(x, x)
  7045  		v.AddArg2(a, v0)
  7046  		return true
  7047  	}
  7048  	// match: (MADD a (MOVDconst [c]) x)
  7049  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
  7050  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
  7051  	for {
  7052  		a := v_0
  7053  		if v_1.Op != OpARM64MOVDconst {
  7054  			break
  7055  		}
  7056  		c := auxIntToInt64(v_1.AuxInt)
  7057  		x := v_2
  7058  		if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
  7059  			break
  7060  		}
  7061  		v.reset(OpARM64ADDshiftLL)
  7062  		v.AuxInt = int64ToAuxInt(log64(c / 5))
  7063  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7064  		v0.AuxInt = int64ToAuxInt(2)
  7065  		v0.AddArg2(x, x)
  7066  		v.AddArg2(a, v0)
  7067  		return true
  7068  	}
  7069  	// match: (MADD a (MOVDconst [c]) x)
  7070  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
  7071  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
  7072  	for {
  7073  		a := v_0
  7074  		if v_1.Op != OpARM64MOVDconst {
  7075  			break
  7076  		}
  7077  		c := auxIntToInt64(v_1.AuxInt)
  7078  		x := v_2
  7079  		if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
  7080  			break
  7081  		}
  7082  		v.reset(OpARM64SUBshiftLL)
  7083  		v.AuxInt = int64ToAuxInt(log64(c / 7))
  7084  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7085  		v0.AuxInt = int64ToAuxInt(3)
  7086  		v0.AddArg2(x, x)
  7087  		v.AddArg2(a, v0)
  7088  		return true
  7089  	}
  7090  	// match: (MADD a (MOVDconst [c]) x)
  7091  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
  7092  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
  7093  	for {
  7094  		a := v_0
  7095  		if v_1.Op != OpARM64MOVDconst {
  7096  			break
  7097  		}
  7098  		c := auxIntToInt64(v_1.AuxInt)
  7099  		x := v_2
  7100  		if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
  7101  			break
  7102  		}
  7103  		v.reset(OpARM64ADDshiftLL)
  7104  		v.AuxInt = int64ToAuxInt(log64(c / 9))
  7105  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7106  		v0.AuxInt = int64ToAuxInt(3)
  7107  		v0.AddArg2(x, x)
  7108  		v.AddArg2(a, v0)
  7109  		return true
  7110  	}
  7111  	// match: (MADD (MOVDconst [c]) x y)
  7112  	// result: (ADDconst [c] (MUL <x.Type> x y))
  7113  	for {
  7114  		if v_0.Op != OpARM64MOVDconst {
  7115  			break
  7116  		}
  7117  		c := auxIntToInt64(v_0.AuxInt)
  7118  		x := v_1
  7119  		y := v_2
  7120  		v.reset(OpARM64ADDconst)
  7121  		v.AuxInt = int64ToAuxInt(c)
  7122  		v0 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  7123  		v0.AddArg2(x, y)
  7124  		v.AddArg(v0)
  7125  		return true
  7126  	}
  7127  	// match: (MADD a (MOVDconst [c]) (MOVDconst [d]))
  7128  	// result: (ADDconst [c*d] a)
  7129  	for {
  7130  		a := v_0
  7131  		if v_1.Op != OpARM64MOVDconst {
  7132  			break
  7133  		}
  7134  		c := auxIntToInt64(v_1.AuxInt)
  7135  		if v_2.Op != OpARM64MOVDconst {
  7136  			break
  7137  		}
  7138  		d := auxIntToInt64(v_2.AuxInt)
  7139  		v.reset(OpARM64ADDconst)
  7140  		v.AuxInt = int64ToAuxInt(c * d)
  7141  		v.AddArg(a)
  7142  		return true
  7143  	}
  7144  	return false
  7145  }
  7146  func rewriteValueARM64_OpARM64MADDW(v *Value) bool {
  7147  	v_2 := v.Args[2]
  7148  	v_1 := v.Args[1]
  7149  	v_0 := v.Args[0]
  7150  	b := v.Block
  7151  	// match: (MADDW a x (MOVDconst [c]))
  7152  	// cond: int32(c)==-1
  7153  	// result: (MOVWUreg (SUB <a.Type> a x))
  7154  	for {
  7155  		a := v_0
  7156  		x := v_1
  7157  		if v_2.Op != OpARM64MOVDconst {
  7158  			break
  7159  		}
  7160  		c := auxIntToInt64(v_2.AuxInt)
  7161  		if !(int32(c) == -1) {
  7162  			break
  7163  		}
  7164  		v.reset(OpARM64MOVWUreg)
  7165  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  7166  		v0.AddArg2(a, x)
  7167  		v.AddArg(v0)
  7168  		return true
  7169  	}
  7170  	// match: (MADDW a _ (MOVDconst [c]))
  7171  	// cond: int32(c)==0
  7172  	// result: (MOVWUreg a)
  7173  	for {
  7174  		a := v_0
  7175  		if v_2.Op != OpARM64MOVDconst {
  7176  			break
  7177  		}
  7178  		c := auxIntToInt64(v_2.AuxInt)
  7179  		if !(int32(c) == 0) {
  7180  			break
  7181  		}
  7182  		v.reset(OpARM64MOVWUreg)
  7183  		v.AddArg(a)
  7184  		return true
  7185  	}
  7186  	// match: (MADDW a x (MOVDconst [c]))
  7187  	// cond: int32(c)==1
  7188  	// result: (MOVWUreg (ADD <a.Type> a x))
  7189  	for {
  7190  		a := v_0
  7191  		x := v_1
  7192  		if v_2.Op != OpARM64MOVDconst {
  7193  			break
  7194  		}
  7195  		c := auxIntToInt64(v_2.AuxInt)
  7196  		if !(int32(c) == 1) {
  7197  			break
  7198  		}
  7199  		v.reset(OpARM64MOVWUreg)
  7200  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  7201  		v0.AddArg2(a, x)
  7202  		v.AddArg(v0)
  7203  		return true
  7204  	}
  7205  	// match: (MADDW a x (MOVDconst [c]))
  7206  	// cond: isPowerOfTwo64(c)
  7207  	// result: (MOVWUreg (ADDshiftLL <a.Type> a x [log64(c)]))
  7208  	for {
  7209  		a := v_0
  7210  		x := v_1
  7211  		if v_2.Op != OpARM64MOVDconst {
  7212  			break
  7213  		}
  7214  		c := auxIntToInt64(v_2.AuxInt)
  7215  		if !(isPowerOfTwo64(c)) {
  7216  			break
  7217  		}
  7218  		v.reset(OpARM64MOVWUreg)
  7219  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7220  		v0.AuxInt = int64ToAuxInt(log64(c))
  7221  		v0.AddArg2(a, x)
  7222  		v.AddArg(v0)
  7223  		return true
  7224  	}
  7225  	// match: (MADDW a x (MOVDconst [c]))
  7226  	// cond: isPowerOfTwo64(c-1) && int32(c)>=3
  7227  	// result: (MOVWUreg (ADD <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
  7228  	for {
  7229  		a := v_0
  7230  		x := v_1
  7231  		if v_2.Op != OpARM64MOVDconst {
  7232  			break
  7233  		}
  7234  		c := auxIntToInt64(v_2.AuxInt)
  7235  		if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
  7236  			break
  7237  		}
  7238  		v.reset(OpARM64MOVWUreg)
  7239  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  7240  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7241  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
  7242  		v1.AddArg2(x, x)
  7243  		v0.AddArg2(a, v1)
  7244  		v.AddArg(v0)
  7245  		return true
  7246  	}
  7247  	// match: (MADDW a x (MOVDconst [c]))
  7248  	// cond: isPowerOfTwo64(c+1) && int32(c)>=7
  7249  	// result: (MOVWUreg (SUB <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
  7250  	for {
  7251  		a := v_0
  7252  		x := v_1
  7253  		if v_2.Op != OpARM64MOVDconst {
  7254  			break
  7255  		}
  7256  		c := auxIntToInt64(v_2.AuxInt)
  7257  		if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
  7258  			break
  7259  		}
  7260  		v.reset(OpARM64MOVWUreg)
  7261  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  7262  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7263  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
  7264  		v1.AddArg2(x, x)
  7265  		v0.AddArg2(a, v1)
  7266  		v.AddArg(v0)
  7267  		return true
  7268  	}
  7269  	// match: (MADDW a x (MOVDconst [c]))
  7270  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
  7271  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
  7272  	for {
  7273  		a := v_0
  7274  		x := v_1
  7275  		if v_2.Op != OpARM64MOVDconst {
  7276  			break
  7277  		}
  7278  		c := auxIntToInt64(v_2.AuxInt)
  7279  		if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
  7280  			break
  7281  		}
  7282  		v.reset(OpARM64MOVWUreg)
  7283  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  7284  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
  7285  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7286  		v1.AuxInt = int64ToAuxInt(2)
  7287  		v1.AddArg2(x, x)
  7288  		v0.AddArg2(a, v1)
  7289  		v.AddArg(v0)
  7290  		return true
  7291  	}
  7292  	// match: (MADDW a x (MOVDconst [c]))
  7293  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
  7294  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
  7295  	for {
  7296  		a := v_0
  7297  		x := v_1
  7298  		if v_2.Op != OpARM64MOVDconst {
  7299  			break
  7300  		}
  7301  		c := auxIntToInt64(v_2.AuxInt)
  7302  		if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
  7303  			break
  7304  		}
  7305  		v.reset(OpARM64MOVWUreg)
  7306  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7307  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
  7308  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7309  		v1.AuxInt = int64ToAuxInt(2)
  7310  		v1.AddArg2(x, x)
  7311  		v0.AddArg2(a, v1)
  7312  		v.AddArg(v0)
  7313  		return true
  7314  	}
  7315  	// match: (MADDW a x (MOVDconst [c]))
  7316  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
  7317  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
  7318  	for {
  7319  		a := v_0
  7320  		x := v_1
  7321  		if v_2.Op != OpARM64MOVDconst {
  7322  			break
  7323  		}
  7324  		c := auxIntToInt64(v_2.AuxInt)
  7325  		if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
  7326  			break
  7327  		}
  7328  		v.reset(OpARM64MOVWUreg)
  7329  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  7330  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
  7331  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7332  		v1.AuxInt = int64ToAuxInt(3)
  7333  		v1.AddArg2(x, x)
  7334  		v0.AddArg2(a, v1)
  7335  		v.AddArg(v0)
  7336  		return true
  7337  	}
  7338  	// match: (MADDW a x (MOVDconst [c]))
  7339  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
  7340  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
  7341  	for {
  7342  		a := v_0
  7343  		x := v_1
  7344  		if v_2.Op != OpARM64MOVDconst {
  7345  			break
  7346  		}
  7347  		c := auxIntToInt64(v_2.AuxInt)
  7348  		if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
  7349  			break
  7350  		}
  7351  		v.reset(OpARM64MOVWUreg)
  7352  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7353  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
  7354  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7355  		v1.AuxInt = int64ToAuxInt(3)
  7356  		v1.AddArg2(x, x)
  7357  		v0.AddArg2(a, v1)
  7358  		v.AddArg(v0)
  7359  		return true
  7360  	}
  7361  	// match: (MADDW a (MOVDconst [c]) x)
  7362  	// cond: int32(c)==-1
  7363  	// result: (MOVWUreg (SUB <a.Type> a x))
  7364  	for {
  7365  		a := v_0
  7366  		if v_1.Op != OpARM64MOVDconst {
  7367  			break
  7368  		}
  7369  		c := auxIntToInt64(v_1.AuxInt)
  7370  		x := v_2
  7371  		if !(int32(c) == -1) {
  7372  			break
  7373  		}
  7374  		v.reset(OpARM64MOVWUreg)
  7375  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  7376  		v0.AddArg2(a, x)
  7377  		v.AddArg(v0)
  7378  		return true
  7379  	}
  7380  	// match: (MADDW a (MOVDconst [c]) _)
  7381  	// cond: int32(c)==0
  7382  	// result: (MOVWUreg a)
  7383  	for {
  7384  		a := v_0
  7385  		if v_1.Op != OpARM64MOVDconst {
  7386  			break
  7387  		}
  7388  		c := auxIntToInt64(v_1.AuxInt)
  7389  		if !(int32(c) == 0) {
  7390  			break
  7391  		}
  7392  		v.reset(OpARM64MOVWUreg)
  7393  		v.AddArg(a)
  7394  		return true
  7395  	}
  7396  	// match: (MADDW a (MOVDconst [c]) x)
  7397  	// cond: int32(c)==1
  7398  	// result: (MOVWUreg (ADD <a.Type> a x))
  7399  	for {
  7400  		a := v_0
  7401  		if v_1.Op != OpARM64MOVDconst {
  7402  			break
  7403  		}
  7404  		c := auxIntToInt64(v_1.AuxInt)
  7405  		x := v_2
  7406  		if !(int32(c) == 1) {
  7407  			break
  7408  		}
  7409  		v.reset(OpARM64MOVWUreg)
  7410  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  7411  		v0.AddArg2(a, x)
  7412  		v.AddArg(v0)
  7413  		return true
  7414  	}
  7415  	// match: (MADDW a (MOVDconst [c]) x)
  7416  	// cond: isPowerOfTwo64(c)
  7417  	// result: (MOVWUreg (ADDshiftLL <a.Type> a x [log64(c)]))
  7418  	for {
  7419  		a := v_0
  7420  		if v_1.Op != OpARM64MOVDconst {
  7421  			break
  7422  		}
  7423  		c := auxIntToInt64(v_1.AuxInt)
  7424  		x := v_2
  7425  		if !(isPowerOfTwo64(c)) {
  7426  			break
  7427  		}
  7428  		v.reset(OpARM64MOVWUreg)
  7429  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7430  		v0.AuxInt = int64ToAuxInt(log64(c))
  7431  		v0.AddArg2(a, x)
  7432  		v.AddArg(v0)
  7433  		return true
  7434  	}
  7435  	// match: (MADDW a (MOVDconst [c]) x)
  7436  	// cond: isPowerOfTwo64(c-1) && int32(c)>=3
  7437  	// result: (MOVWUreg (ADD <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
  7438  	for {
  7439  		a := v_0
  7440  		if v_1.Op != OpARM64MOVDconst {
  7441  			break
  7442  		}
  7443  		c := auxIntToInt64(v_1.AuxInt)
  7444  		x := v_2
  7445  		if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
  7446  			break
  7447  		}
  7448  		v.reset(OpARM64MOVWUreg)
  7449  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  7450  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7451  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
  7452  		v1.AddArg2(x, x)
  7453  		v0.AddArg2(a, v1)
  7454  		v.AddArg(v0)
  7455  		return true
  7456  	}
  7457  	// match: (MADDW a (MOVDconst [c]) x)
  7458  	// cond: isPowerOfTwo64(c+1) && int32(c)>=7
  7459  	// result: (MOVWUreg (SUB <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
  7460  	for {
  7461  		a := v_0
  7462  		if v_1.Op != OpARM64MOVDconst {
  7463  			break
  7464  		}
  7465  		c := auxIntToInt64(v_1.AuxInt)
  7466  		x := v_2
  7467  		if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
  7468  			break
  7469  		}
  7470  		v.reset(OpARM64MOVWUreg)
  7471  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  7472  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7473  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
  7474  		v1.AddArg2(x, x)
  7475  		v0.AddArg2(a, v1)
  7476  		v.AddArg(v0)
  7477  		return true
  7478  	}
  7479  	// match: (MADDW a (MOVDconst [c]) x)
  7480  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
  7481  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
  7482  	for {
  7483  		a := v_0
  7484  		if v_1.Op != OpARM64MOVDconst {
  7485  			break
  7486  		}
  7487  		c := auxIntToInt64(v_1.AuxInt)
  7488  		x := v_2
  7489  		if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
  7490  			break
  7491  		}
  7492  		v.reset(OpARM64MOVWUreg)
  7493  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  7494  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
  7495  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7496  		v1.AuxInt = int64ToAuxInt(2)
  7497  		v1.AddArg2(x, x)
  7498  		v0.AddArg2(a, v1)
  7499  		v.AddArg(v0)
  7500  		return true
  7501  	}
  7502  	// match: (MADDW a (MOVDconst [c]) x)
  7503  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
  7504  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
  7505  	for {
  7506  		a := v_0
  7507  		if v_1.Op != OpARM64MOVDconst {
  7508  			break
  7509  		}
  7510  		c := auxIntToInt64(v_1.AuxInt)
  7511  		x := v_2
  7512  		if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
  7513  			break
  7514  		}
  7515  		v.reset(OpARM64MOVWUreg)
  7516  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7517  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
  7518  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7519  		v1.AuxInt = int64ToAuxInt(2)
  7520  		v1.AddArg2(x, x)
  7521  		v0.AddArg2(a, v1)
  7522  		v.AddArg(v0)
  7523  		return true
  7524  	}
  7525  	// match: (MADDW a (MOVDconst [c]) x)
  7526  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
  7527  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
  7528  	for {
  7529  		a := v_0
  7530  		if v_1.Op != OpARM64MOVDconst {
  7531  			break
  7532  		}
  7533  		c := auxIntToInt64(v_1.AuxInt)
  7534  		x := v_2
  7535  		if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
  7536  			break
  7537  		}
  7538  		v.reset(OpARM64MOVWUreg)
  7539  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  7540  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
  7541  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7542  		v1.AuxInt = int64ToAuxInt(3)
  7543  		v1.AddArg2(x, x)
  7544  		v0.AddArg2(a, v1)
  7545  		v.AddArg(v0)
  7546  		return true
  7547  	}
  7548  	// match: (MADDW a (MOVDconst [c]) x)
  7549  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
  7550  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
  7551  	for {
  7552  		a := v_0
  7553  		if v_1.Op != OpARM64MOVDconst {
  7554  			break
  7555  		}
  7556  		c := auxIntToInt64(v_1.AuxInt)
  7557  		x := v_2
  7558  		if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
  7559  			break
  7560  		}
  7561  		v.reset(OpARM64MOVWUreg)
  7562  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7563  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
  7564  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7565  		v1.AuxInt = int64ToAuxInt(3)
  7566  		v1.AddArg2(x, x)
  7567  		v0.AddArg2(a, v1)
  7568  		v.AddArg(v0)
  7569  		return true
  7570  	}
  7571  	// match: (MADDW (MOVDconst [c]) x y)
  7572  	// result: (MOVWUreg (ADDconst <x.Type> [c] (MULW <x.Type> x y)))
  7573  	for {
  7574  		if v_0.Op != OpARM64MOVDconst {
  7575  			break
  7576  		}
  7577  		c := auxIntToInt64(v_0.AuxInt)
  7578  		x := v_1
  7579  		y := v_2
  7580  		v.reset(OpARM64MOVWUreg)
  7581  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, x.Type)
  7582  		v0.AuxInt = int64ToAuxInt(c)
  7583  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  7584  		v1.AddArg2(x, y)
  7585  		v0.AddArg(v1)
  7586  		v.AddArg(v0)
  7587  		return true
  7588  	}
  7589  	// match: (MADDW a (MOVDconst [c]) (MOVDconst [d]))
  7590  	// result: (MOVWUreg (ADDconst <a.Type> [c*d] a))
  7591  	for {
  7592  		a := v_0
  7593  		if v_1.Op != OpARM64MOVDconst {
  7594  			break
  7595  		}
  7596  		c := auxIntToInt64(v_1.AuxInt)
  7597  		if v_2.Op != OpARM64MOVDconst {
  7598  			break
  7599  		}
  7600  		d := auxIntToInt64(v_2.AuxInt)
  7601  		v.reset(OpARM64MOVWUreg)
  7602  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, a.Type)
  7603  		v0.AuxInt = int64ToAuxInt(c * d)
  7604  		v0.AddArg(a)
  7605  		v.AddArg(v0)
  7606  		return true
  7607  	}
  7608  	return false
  7609  }
  7610  func rewriteValueARM64_OpARM64MNEG(v *Value) bool {
  7611  	v_1 := v.Args[1]
  7612  	v_0 := v.Args[0]
  7613  	b := v.Block
  7614  	// match: (MNEG x (MOVDconst [-1]))
  7615  	// result: x
  7616  	for {
  7617  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7618  			x := v_0
  7619  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  7620  				continue
  7621  			}
  7622  			v.copyOf(x)
  7623  			return true
  7624  		}
  7625  		break
  7626  	}
  7627  	// match: (MNEG _ (MOVDconst [0]))
  7628  	// result: (MOVDconst [0])
  7629  	for {
  7630  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7631  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  7632  				continue
  7633  			}
  7634  			v.reset(OpARM64MOVDconst)
  7635  			v.AuxInt = int64ToAuxInt(0)
  7636  			return true
  7637  		}
  7638  		break
  7639  	}
  7640  	// match: (MNEG x (MOVDconst [1]))
  7641  	// result: (NEG x)
  7642  	for {
  7643  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7644  			x := v_0
  7645  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  7646  				continue
  7647  			}
  7648  			v.reset(OpARM64NEG)
  7649  			v.AddArg(x)
  7650  			return true
  7651  		}
  7652  		break
  7653  	}
  7654  	// match: (MNEG x (MOVDconst [c]))
  7655  	// cond: isPowerOfTwo64(c)
  7656  	// result: (NEG (SLLconst <x.Type> [log64(c)] x))
  7657  	for {
  7658  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7659  			x := v_0
  7660  			if v_1.Op != OpARM64MOVDconst {
  7661  				continue
  7662  			}
  7663  			c := auxIntToInt64(v_1.AuxInt)
  7664  			if !(isPowerOfTwo64(c)) {
  7665  				continue
  7666  			}
  7667  			v.reset(OpARM64NEG)
  7668  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7669  			v0.AuxInt = int64ToAuxInt(log64(c))
  7670  			v0.AddArg(x)
  7671  			v.AddArg(v0)
  7672  			return true
  7673  		}
  7674  		break
  7675  	}
  7676  	// match: (MNEG x (MOVDconst [c]))
  7677  	// cond: isPowerOfTwo64(c-1) && c >= 3
  7678  	// result: (NEG (ADDshiftLL <x.Type> x x [log64(c-1)]))
  7679  	for {
  7680  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7681  			x := v_0
  7682  			if v_1.Op != OpARM64MOVDconst {
  7683  				continue
  7684  			}
  7685  			c := auxIntToInt64(v_1.AuxInt)
  7686  			if !(isPowerOfTwo64(c-1) && c >= 3) {
  7687  				continue
  7688  			}
  7689  			v.reset(OpARM64NEG)
  7690  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7691  			v0.AuxInt = int64ToAuxInt(log64(c - 1))
  7692  			v0.AddArg2(x, x)
  7693  			v.AddArg(v0)
  7694  			return true
  7695  		}
  7696  		break
  7697  	}
  7698  	// match: (MNEG x (MOVDconst [c]))
  7699  	// cond: isPowerOfTwo64(c+1) && c >= 7
  7700  	// result: (NEG (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)]))
  7701  	for {
  7702  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7703  			x := v_0
  7704  			if v_1.Op != OpARM64MOVDconst {
  7705  				continue
  7706  			}
  7707  			c := auxIntToInt64(v_1.AuxInt)
  7708  			if !(isPowerOfTwo64(c+1) && c >= 7) {
  7709  				continue
  7710  			}
  7711  			v.reset(OpARM64NEG)
  7712  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7713  			v0.AuxInt = int64ToAuxInt(log64(c + 1))
  7714  			v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7715  			v1.AddArg(x)
  7716  			v0.AddArg2(v1, x)
  7717  			v.AddArg(v0)
  7718  			return true
  7719  		}
  7720  		break
  7721  	}
  7722  	// match: (MNEG x (MOVDconst [c]))
  7723  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
  7724  	// result: (SLLconst <x.Type> [log64(c/3)] (SUBshiftLL <x.Type> x x [2]))
  7725  	for {
  7726  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7727  			x := v_0
  7728  			if v_1.Op != OpARM64MOVDconst {
  7729  				continue
  7730  			}
  7731  			c := auxIntToInt64(v_1.AuxInt)
  7732  			if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
  7733  				continue
  7734  			}
  7735  			v.reset(OpARM64SLLconst)
  7736  			v.Type = x.Type
  7737  			v.AuxInt = int64ToAuxInt(log64(c / 3))
  7738  			v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7739  			v0.AuxInt = int64ToAuxInt(2)
  7740  			v0.AddArg2(x, x)
  7741  			v.AddArg(v0)
  7742  			return true
  7743  		}
  7744  		break
  7745  	}
  7746  	// match: (MNEG x (MOVDconst [c]))
  7747  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
  7748  	// result: (NEG (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2])))
  7749  	for {
  7750  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7751  			x := v_0
  7752  			if v_1.Op != OpARM64MOVDconst {
  7753  				continue
  7754  			}
  7755  			c := auxIntToInt64(v_1.AuxInt)
  7756  			if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
  7757  				continue
  7758  			}
  7759  			v.reset(OpARM64NEG)
  7760  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7761  			v0.AuxInt = int64ToAuxInt(log64(c / 5))
  7762  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7763  			v1.AuxInt = int64ToAuxInt(2)
  7764  			v1.AddArg2(x, x)
  7765  			v0.AddArg(v1)
  7766  			v.AddArg(v0)
  7767  			return true
  7768  		}
  7769  		break
  7770  	}
  7771  	// match: (MNEG x (MOVDconst [c]))
  7772  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
  7773  	// result: (SLLconst <x.Type> [log64(c/7)] (SUBshiftLL <x.Type> x x [3]))
  7774  	for {
  7775  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7776  			x := v_0
  7777  			if v_1.Op != OpARM64MOVDconst {
  7778  				continue
  7779  			}
  7780  			c := auxIntToInt64(v_1.AuxInt)
  7781  			if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
  7782  				continue
  7783  			}
  7784  			v.reset(OpARM64SLLconst)
  7785  			v.Type = x.Type
  7786  			v.AuxInt = int64ToAuxInt(log64(c / 7))
  7787  			v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7788  			v0.AuxInt = int64ToAuxInt(3)
  7789  			v0.AddArg2(x, x)
  7790  			v.AddArg(v0)
  7791  			return true
  7792  		}
  7793  		break
  7794  	}
  7795  	// match: (MNEG x (MOVDconst [c]))
  7796  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
  7797  	// result: (NEG (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3])))
  7798  	for {
  7799  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7800  			x := v_0
  7801  			if v_1.Op != OpARM64MOVDconst {
  7802  				continue
  7803  			}
  7804  			c := auxIntToInt64(v_1.AuxInt)
  7805  			if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
  7806  				continue
  7807  			}
  7808  			v.reset(OpARM64NEG)
  7809  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7810  			v0.AuxInt = int64ToAuxInt(log64(c / 9))
  7811  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7812  			v1.AuxInt = int64ToAuxInt(3)
  7813  			v1.AddArg2(x, x)
  7814  			v0.AddArg(v1)
  7815  			v.AddArg(v0)
  7816  			return true
  7817  		}
  7818  		break
  7819  	}
  7820  	// match: (MNEG (MOVDconst [c]) (MOVDconst [d]))
  7821  	// result: (MOVDconst [-c*d])
  7822  	for {
  7823  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7824  			if v_0.Op != OpARM64MOVDconst {
  7825  				continue
  7826  			}
  7827  			c := auxIntToInt64(v_0.AuxInt)
  7828  			if v_1.Op != OpARM64MOVDconst {
  7829  				continue
  7830  			}
  7831  			d := auxIntToInt64(v_1.AuxInt)
  7832  			v.reset(OpARM64MOVDconst)
  7833  			v.AuxInt = int64ToAuxInt(-c * d)
  7834  			return true
  7835  		}
  7836  		break
  7837  	}
  7838  	return false
  7839  }
  7840  func rewriteValueARM64_OpARM64MNEGW(v *Value) bool {
  7841  	v_1 := v.Args[1]
  7842  	v_0 := v.Args[0]
  7843  	b := v.Block
  7844  	// match: (MNEGW x (MOVDconst [c]))
  7845  	// cond: int32(c)==-1
  7846  	// result: (MOVWUreg x)
  7847  	for {
  7848  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7849  			x := v_0
  7850  			if v_1.Op != OpARM64MOVDconst {
  7851  				continue
  7852  			}
  7853  			c := auxIntToInt64(v_1.AuxInt)
  7854  			if !(int32(c) == -1) {
  7855  				continue
  7856  			}
  7857  			v.reset(OpARM64MOVWUreg)
  7858  			v.AddArg(x)
  7859  			return true
  7860  		}
  7861  		break
  7862  	}
  7863  	// match: (MNEGW _ (MOVDconst [c]))
  7864  	// cond: int32(c)==0
  7865  	// result: (MOVDconst [0])
  7866  	for {
  7867  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7868  			if v_1.Op != OpARM64MOVDconst {
  7869  				continue
  7870  			}
  7871  			c := auxIntToInt64(v_1.AuxInt)
  7872  			if !(int32(c) == 0) {
  7873  				continue
  7874  			}
  7875  			v.reset(OpARM64MOVDconst)
  7876  			v.AuxInt = int64ToAuxInt(0)
  7877  			return true
  7878  		}
  7879  		break
  7880  	}
  7881  	// match: (MNEGW x (MOVDconst [c]))
  7882  	// cond: int32(c)==1
  7883  	// result: (MOVWUreg (NEG <x.Type> x))
  7884  	for {
  7885  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7886  			x := v_0
  7887  			if v_1.Op != OpARM64MOVDconst {
  7888  				continue
  7889  			}
  7890  			c := auxIntToInt64(v_1.AuxInt)
  7891  			if !(int32(c) == 1) {
  7892  				continue
  7893  			}
  7894  			v.reset(OpARM64MOVWUreg)
  7895  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7896  			v0.AddArg(x)
  7897  			v.AddArg(v0)
  7898  			return true
  7899  		}
  7900  		break
  7901  	}
  7902  	// match: (MNEGW x (MOVDconst [c]))
  7903  	// cond: isPowerOfTwo64(c)
  7904  	// result: (NEG (SLLconst <x.Type> [log64(c)] x))
  7905  	for {
  7906  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7907  			x := v_0
  7908  			if v_1.Op != OpARM64MOVDconst {
  7909  				continue
  7910  			}
  7911  			c := auxIntToInt64(v_1.AuxInt)
  7912  			if !(isPowerOfTwo64(c)) {
  7913  				continue
  7914  			}
  7915  			v.reset(OpARM64NEG)
  7916  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7917  			v0.AuxInt = int64ToAuxInt(log64(c))
  7918  			v0.AddArg(x)
  7919  			v.AddArg(v0)
  7920  			return true
  7921  		}
  7922  		break
  7923  	}
  7924  	// match: (MNEGW x (MOVDconst [c]))
  7925  	// cond: isPowerOfTwo64(c-1) && int32(c) >= 3
  7926  	// result: (MOVWUreg (NEG <x.Type> (ADDshiftLL <x.Type> x x [log64(c-1)])))
  7927  	for {
  7928  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7929  			x := v_0
  7930  			if v_1.Op != OpARM64MOVDconst {
  7931  				continue
  7932  			}
  7933  			c := auxIntToInt64(v_1.AuxInt)
  7934  			if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
  7935  				continue
  7936  			}
  7937  			v.reset(OpARM64MOVWUreg)
  7938  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7939  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7940  			v1.AuxInt = int64ToAuxInt(log64(c - 1))
  7941  			v1.AddArg2(x, x)
  7942  			v0.AddArg(v1)
  7943  			v.AddArg(v0)
  7944  			return true
  7945  		}
  7946  		break
  7947  	}
  7948  	// match: (MNEGW x (MOVDconst [c]))
  7949  	// cond: isPowerOfTwo64(c+1) && int32(c) >= 7
  7950  	// result: (MOVWUreg (NEG <x.Type> (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)])))
  7951  	for {
  7952  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7953  			x := v_0
  7954  			if v_1.Op != OpARM64MOVDconst {
  7955  				continue
  7956  			}
  7957  			c := auxIntToInt64(v_1.AuxInt)
  7958  			if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
  7959  				continue
  7960  			}
  7961  			v.reset(OpARM64MOVWUreg)
  7962  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7963  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7964  			v1.AuxInt = int64ToAuxInt(log64(c + 1))
  7965  			v2 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7966  			v2.AddArg(x)
  7967  			v1.AddArg2(v2, x)
  7968  			v0.AddArg(v1)
  7969  			v.AddArg(v0)
  7970  			return true
  7971  		}
  7972  		break
  7973  	}
  7974  	// match: (MNEGW x (MOVDconst [c]))
  7975  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
  7976  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/3)] (SUBshiftLL <x.Type> x x [2])))
  7977  	for {
  7978  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7979  			x := v_0
  7980  			if v_1.Op != OpARM64MOVDconst {
  7981  				continue
  7982  			}
  7983  			c := auxIntToInt64(v_1.AuxInt)
  7984  			if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
  7985  				continue
  7986  			}
  7987  			v.reset(OpARM64MOVWUreg)
  7988  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7989  			v0.AuxInt = int64ToAuxInt(log64(c / 3))
  7990  			v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7991  			v1.AuxInt = int64ToAuxInt(2)
  7992  			v1.AddArg2(x, x)
  7993  			v0.AddArg(v1)
  7994  			v.AddArg(v0)
  7995  			return true
  7996  		}
  7997  		break
  7998  	}
  7999  	// match: (MNEGW x (MOVDconst [c]))
  8000  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
  8001  	// result: (MOVWUreg (NEG <x.Type> (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2]))))
  8002  	for {
  8003  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8004  			x := v_0
  8005  			if v_1.Op != OpARM64MOVDconst {
  8006  				continue
  8007  			}
  8008  			c := auxIntToInt64(v_1.AuxInt)
  8009  			if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
  8010  				continue
  8011  			}
  8012  			v.reset(OpARM64MOVWUreg)
  8013  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  8014  			v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  8015  			v1.AuxInt = int64ToAuxInt(log64(c / 5))
  8016  			v2 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8017  			v2.AuxInt = int64ToAuxInt(2)
  8018  			v2.AddArg2(x, x)
  8019  			v1.AddArg(v2)
  8020  			v0.AddArg(v1)
  8021  			v.AddArg(v0)
  8022  			return true
  8023  		}
  8024  		break
  8025  	}
  8026  	// match: (MNEGW x (MOVDconst [c]))
  8027  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
  8028  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/7)] (SUBshiftLL <x.Type> x x [3])))
  8029  	for {
  8030  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8031  			x := v_0
  8032  			if v_1.Op != OpARM64MOVDconst {
  8033  				continue
  8034  			}
  8035  			c := auxIntToInt64(v_1.AuxInt)
  8036  			if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
  8037  				continue
  8038  			}
  8039  			v.reset(OpARM64MOVWUreg)
  8040  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  8041  			v0.AuxInt = int64ToAuxInt(log64(c / 7))
  8042  			v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8043  			v1.AuxInt = int64ToAuxInt(3)
  8044  			v1.AddArg2(x, x)
  8045  			v0.AddArg(v1)
  8046  			v.AddArg(v0)
  8047  			return true
  8048  		}
  8049  		break
  8050  	}
  8051  	// match: (MNEGW x (MOVDconst [c]))
  8052  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
  8053  	// result: (MOVWUreg (NEG <x.Type> (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3]))))
  8054  	for {
  8055  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8056  			x := v_0
  8057  			if v_1.Op != OpARM64MOVDconst {
  8058  				continue
  8059  			}
  8060  			c := auxIntToInt64(v_1.AuxInt)
  8061  			if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
  8062  				continue
  8063  			}
  8064  			v.reset(OpARM64MOVWUreg)
  8065  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  8066  			v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  8067  			v1.AuxInt = int64ToAuxInt(log64(c / 9))
  8068  			v2 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8069  			v2.AuxInt = int64ToAuxInt(3)
  8070  			v2.AddArg2(x, x)
  8071  			v1.AddArg(v2)
  8072  			v0.AddArg(v1)
  8073  			v.AddArg(v0)
  8074  			return true
  8075  		}
  8076  		break
  8077  	}
  8078  	// match: (MNEGW (MOVDconst [c]) (MOVDconst [d]))
  8079  	// result: (MOVDconst [int64(uint32(-c*d))])
  8080  	for {
  8081  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8082  			if v_0.Op != OpARM64MOVDconst {
  8083  				continue
  8084  			}
  8085  			c := auxIntToInt64(v_0.AuxInt)
  8086  			if v_1.Op != OpARM64MOVDconst {
  8087  				continue
  8088  			}
  8089  			d := auxIntToInt64(v_1.AuxInt)
  8090  			v.reset(OpARM64MOVDconst)
  8091  			v.AuxInt = int64ToAuxInt(int64(uint32(-c * d)))
  8092  			return true
  8093  		}
  8094  		break
  8095  	}
  8096  	return false
  8097  }
  8098  func rewriteValueARM64_OpARM64MOD(v *Value) bool {
  8099  	v_1 := v.Args[1]
  8100  	v_0 := v.Args[0]
  8101  	// match: (MOD (MOVDconst [c]) (MOVDconst [d]))
  8102  	// cond: d != 0
  8103  	// result: (MOVDconst [c%d])
  8104  	for {
  8105  		if v_0.Op != OpARM64MOVDconst {
  8106  			break
  8107  		}
  8108  		c := auxIntToInt64(v_0.AuxInt)
  8109  		if v_1.Op != OpARM64MOVDconst {
  8110  			break
  8111  		}
  8112  		d := auxIntToInt64(v_1.AuxInt)
  8113  		if !(d != 0) {
  8114  			break
  8115  		}
  8116  		v.reset(OpARM64MOVDconst)
  8117  		v.AuxInt = int64ToAuxInt(c % d)
  8118  		return true
  8119  	}
  8120  	return false
  8121  }
  8122  func rewriteValueARM64_OpARM64MODW(v *Value) bool {
  8123  	v_1 := v.Args[1]
  8124  	v_0 := v.Args[0]
  8125  	// match: (MODW (MOVDconst [c]) (MOVDconst [d]))
  8126  	// cond: d != 0
  8127  	// result: (MOVDconst [int64(uint32(int32(c)%int32(d)))])
  8128  	for {
  8129  		if v_0.Op != OpARM64MOVDconst {
  8130  			break
  8131  		}
  8132  		c := auxIntToInt64(v_0.AuxInt)
  8133  		if v_1.Op != OpARM64MOVDconst {
  8134  			break
  8135  		}
  8136  		d := auxIntToInt64(v_1.AuxInt)
  8137  		if !(d != 0) {
  8138  			break
  8139  		}
  8140  		v.reset(OpARM64MOVDconst)
  8141  		v.AuxInt = int64ToAuxInt(int64(uint32(int32(c) % int32(d))))
  8142  		return true
  8143  	}
  8144  	return false
  8145  }
  8146  func rewriteValueARM64_OpARM64MOVBUload(v *Value) bool {
  8147  	v_1 := v.Args[1]
  8148  	v_0 := v.Args[0]
  8149  	b := v.Block
  8150  	config := b.Func.Config
  8151  	// match: (MOVBUload [off1] {sym} (ADDconst [off2] ptr) mem)
  8152  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8153  	// result: (MOVBUload [off1+int32(off2)] {sym} ptr mem)
  8154  	for {
  8155  		off1 := auxIntToInt32(v.AuxInt)
  8156  		sym := auxToSym(v.Aux)
  8157  		if v_0.Op != OpARM64ADDconst {
  8158  			break
  8159  		}
  8160  		off2 := auxIntToInt64(v_0.AuxInt)
  8161  		ptr := v_0.Args[0]
  8162  		mem := v_1
  8163  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8164  			break
  8165  		}
  8166  		v.reset(OpARM64MOVBUload)
  8167  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  8168  		v.Aux = symToAux(sym)
  8169  		v.AddArg2(ptr, mem)
  8170  		return true
  8171  	}
  8172  	// match: (MOVBUload [off] {sym} (ADD ptr idx) mem)
  8173  	// cond: off == 0 && sym == nil
  8174  	// result: (MOVBUloadidx ptr idx mem)
  8175  	for {
  8176  		off := auxIntToInt32(v.AuxInt)
  8177  		sym := auxToSym(v.Aux)
  8178  		if v_0.Op != OpARM64ADD {
  8179  			break
  8180  		}
  8181  		idx := v_0.Args[1]
  8182  		ptr := v_0.Args[0]
  8183  		mem := v_1
  8184  		if !(off == 0 && sym == nil) {
  8185  			break
  8186  		}
  8187  		v.reset(OpARM64MOVBUloadidx)
  8188  		v.AddArg3(ptr, idx, mem)
  8189  		return true
  8190  	}
  8191  	// match: (MOVBUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  8192  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8193  	// result: (MOVBUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  8194  	for {
  8195  		off1 := auxIntToInt32(v.AuxInt)
  8196  		sym1 := auxToSym(v.Aux)
  8197  		if v_0.Op != OpARM64MOVDaddr {
  8198  			break
  8199  		}
  8200  		off2 := auxIntToInt32(v_0.AuxInt)
  8201  		sym2 := auxToSym(v_0.Aux)
  8202  		ptr := v_0.Args[0]
  8203  		mem := v_1
  8204  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8205  			break
  8206  		}
  8207  		v.reset(OpARM64MOVBUload)
  8208  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8209  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8210  		v.AddArg2(ptr, mem)
  8211  		return true
  8212  	}
  8213  	// match: (MOVBUload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _))
  8214  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  8215  	// result: (MOVDconst [0])
  8216  	for {
  8217  		off := auxIntToInt32(v.AuxInt)
  8218  		sym := auxToSym(v.Aux)
  8219  		ptr := v_0
  8220  		if v_1.Op != OpARM64MOVBstorezero {
  8221  			break
  8222  		}
  8223  		off2 := auxIntToInt32(v_1.AuxInt)
  8224  		sym2 := auxToSym(v_1.Aux)
  8225  		ptr2 := v_1.Args[0]
  8226  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  8227  			break
  8228  		}
  8229  		v.reset(OpARM64MOVDconst)
  8230  		v.AuxInt = int64ToAuxInt(0)
  8231  		return true
  8232  	}
  8233  	// match: (MOVBUload [off] {sym} (SB) _)
  8234  	// cond: symIsRO(sym)
  8235  	// result: (MOVDconst [int64(read8(sym, int64(off)))])
  8236  	for {
  8237  		off := auxIntToInt32(v.AuxInt)
  8238  		sym := auxToSym(v.Aux)
  8239  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  8240  			break
  8241  		}
  8242  		v.reset(OpARM64MOVDconst)
  8243  		v.AuxInt = int64ToAuxInt(int64(read8(sym, int64(off))))
  8244  		return true
  8245  	}
  8246  	return false
  8247  }
  8248  func rewriteValueARM64_OpARM64MOVBUloadidx(v *Value) bool {
  8249  	v_2 := v.Args[2]
  8250  	v_1 := v.Args[1]
  8251  	v_0 := v.Args[0]
  8252  	// match: (MOVBUloadidx ptr (MOVDconst [c]) mem)
  8253  	// cond: is32Bit(c)
  8254  	// result: (MOVBUload [int32(c)] ptr mem)
  8255  	for {
  8256  		ptr := v_0
  8257  		if v_1.Op != OpARM64MOVDconst {
  8258  			break
  8259  		}
  8260  		c := auxIntToInt64(v_1.AuxInt)
  8261  		mem := v_2
  8262  		if !(is32Bit(c)) {
  8263  			break
  8264  		}
  8265  		v.reset(OpARM64MOVBUload)
  8266  		v.AuxInt = int32ToAuxInt(int32(c))
  8267  		v.AddArg2(ptr, mem)
  8268  		return true
  8269  	}
  8270  	// match: (MOVBUloadidx (MOVDconst [c]) ptr mem)
  8271  	// cond: is32Bit(c)
  8272  	// result: (MOVBUload [int32(c)] ptr mem)
  8273  	for {
  8274  		if v_0.Op != OpARM64MOVDconst {
  8275  			break
  8276  		}
  8277  		c := auxIntToInt64(v_0.AuxInt)
  8278  		ptr := v_1
  8279  		mem := v_2
  8280  		if !(is32Bit(c)) {
  8281  			break
  8282  		}
  8283  		v.reset(OpARM64MOVBUload)
  8284  		v.AuxInt = int32ToAuxInt(int32(c))
  8285  		v.AddArg2(ptr, mem)
  8286  		return true
  8287  	}
  8288  	// match: (MOVBUloadidx ptr idx (MOVBstorezeroidx ptr2 idx2 _))
  8289  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
  8290  	// result: (MOVDconst [0])
  8291  	for {
  8292  		ptr := v_0
  8293  		idx := v_1
  8294  		if v_2.Op != OpARM64MOVBstorezeroidx {
  8295  			break
  8296  		}
  8297  		idx2 := v_2.Args[1]
  8298  		ptr2 := v_2.Args[0]
  8299  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
  8300  			break
  8301  		}
  8302  		v.reset(OpARM64MOVDconst)
  8303  		v.AuxInt = int64ToAuxInt(0)
  8304  		return true
  8305  	}
  8306  	return false
  8307  }
  8308  func rewriteValueARM64_OpARM64MOVBUreg(v *Value) bool {
  8309  	v_0 := v.Args[0]
  8310  	// match: (MOVBUreg (ANDconst [c] x))
  8311  	// result: (ANDconst [c&(1<<8-1)] x)
  8312  	for {
  8313  		if v_0.Op != OpARM64ANDconst {
  8314  			break
  8315  		}
  8316  		c := auxIntToInt64(v_0.AuxInt)
  8317  		x := v_0.Args[0]
  8318  		v.reset(OpARM64ANDconst)
  8319  		v.AuxInt = int64ToAuxInt(c & (1<<8 - 1))
  8320  		v.AddArg(x)
  8321  		return true
  8322  	}
  8323  	// match: (MOVBUreg (MOVDconst [c]))
  8324  	// result: (MOVDconst [int64(uint8(c))])
  8325  	for {
  8326  		if v_0.Op != OpARM64MOVDconst {
  8327  			break
  8328  		}
  8329  		c := auxIntToInt64(v_0.AuxInt)
  8330  		v.reset(OpARM64MOVDconst)
  8331  		v.AuxInt = int64ToAuxInt(int64(uint8(c)))
  8332  		return true
  8333  	}
  8334  	// match: (MOVBUreg x)
  8335  	// cond: v.Type.Size() <= 1
  8336  	// result: x
  8337  	for {
  8338  		x := v_0
  8339  		if !(v.Type.Size() <= 1) {
  8340  			break
  8341  		}
  8342  		v.copyOf(x)
  8343  		return true
  8344  	}
  8345  	// match: (MOVBUreg (SLLconst [lc] x))
  8346  	// cond: lc >= 8
  8347  	// result: (MOVDconst [0])
  8348  	for {
  8349  		if v_0.Op != OpARM64SLLconst {
  8350  			break
  8351  		}
  8352  		lc := auxIntToInt64(v_0.AuxInt)
  8353  		if !(lc >= 8) {
  8354  			break
  8355  		}
  8356  		v.reset(OpARM64MOVDconst)
  8357  		v.AuxInt = int64ToAuxInt(0)
  8358  		return true
  8359  	}
  8360  	// match: (MOVBUreg (SLLconst [lc] x))
  8361  	// cond: lc < 8
  8362  	// result: (UBFIZ [armBFAuxInt(lc, 8-lc)] x)
  8363  	for {
  8364  		if v_0.Op != OpARM64SLLconst {
  8365  			break
  8366  		}
  8367  		lc := auxIntToInt64(v_0.AuxInt)
  8368  		x := v_0.Args[0]
  8369  		if !(lc < 8) {
  8370  			break
  8371  		}
  8372  		v.reset(OpARM64UBFIZ)
  8373  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 8-lc))
  8374  		v.AddArg(x)
  8375  		return true
  8376  	}
  8377  	// match: (MOVBUreg (SRLconst [rc] x))
  8378  	// cond: rc < 8
  8379  	// result: (UBFX [armBFAuxInt(rc, 8)] x)
  8380  	for {
  8381  		if v_0.Op != OpARM64SRLconst {
  8382  			break
  8383  		}
  8384  		rc := auxIntToInt64(v_0.AuxInt)
  8385  		x := v_0.Args[0]
  8386  		if !(rc < 8) {
  8387  			break
  8388  		}
  8389  		v.reset(OpARM64UBFX)
  8390  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8))
  8391  		v.AddArg(x)
  8392  		return true
  8393  	}
  8394  	// match: (MOVBUreg (UBFX [bfc] x))
  8395  	// cond: bfc.getARM64BFwidth() <= 8
  8396  	// result: (UBFX [bfc] x)
  8397  	for {
  8398  		if v_0.Op != OpARM64UBFX {
  8399  			break
  8400  		}
  8401  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  8402  		x := v_0.Args[0]
  8403  		if !(bfc.getARM64BFwidth() <= 8) {
  8404  			break
  8405  		}
  8406  		v.reset(OpARM64UBFX)
  8407  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
  8408  		v.AddArg(x)
  8409  		return true
  8410  	}
  8411  	return false
  8412  }
  8413  func rewriteValueARM64_OpARM64MOVBload(v *Value) bool {
  8414  	v_1 := v.Args[1]
  8415  	v_0 := v.Args[0]
  8416  	b := v.Block
  8417  	config := b.Func.Config
  8418  	// match: (MOVBload [off1] {sym} (ADDconst [off2] ptr) mem)
  8419  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8420  	// result: (MOVBload [off1+int32(off2)] {sym} ptr mem)
  8421  	for {
  8422  		off1 := auxIntToInt32(v.AuxInt)
  8423  		sym := auxToSym(v.Aux)
  8424  		if v_0.Op != OpARM64ADDconst {
  8425  			break
  8426  		}
  8427  		off2 := auxIntToInt64(v_0.AuxInt)
  8428  		ptr := v_0.Args[0]
  8429  		mem := v_1
  8430  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8431  			break
  8432  		}
  8433  		v.reset(OpARM64MOVBload)
  8434  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  8435  		v.Aux = symToAux(sym)
  8436  		v.AddArg2(ptr, mem)
  8437  		return true
  8438  	}
  8439  	// match: (MOVBload [off] {sym} (ADD ptr idx) mem)
  8440  	// cond: off == 0 && sym == nil
  8441  	// result: (MOVBloadidx ptr idx mem)
  8442  	for {
  8443  		off := auxIntToInt32(v.AuxInt)
  8444  		sym := auxToSym(v.Aux)
  8445  		if v_0.Op != OpARM64ADD {
  8446  			break
  8447  		}
  8448  		idx := v_0.Args[1]
  8449  		ptr := v_0.Args[0]
  8450  		mem := v_1
  8451  		if !(off == 0 && sym == nil) {
  8452  			break
  8453  		}
  8454  		v.reset(OpARM64MOVBloadidx)
  8455  		v.AddArg3(ptr, idx, mem)
  8456  		return true
  8457  	}
  8458  	// match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  8459  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8460  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  8461  	for {
  8462  		off1 := auxIntToInt32(v.AuxInt)
  8463  		sym1 := auxToSym(v.Aux)
  8464  		if v_0.Op != OpARM64MOVDaddr {
  8465  			break
  8466  		}
  8467  		off2 := auxIntToInt32(v_0.AuxInt)
  8468  		sym2 := auxToSym(v_0.Aux)
  8469  		ptr := v_0.Args[0]
  8470  		mem := v_1
  8471  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8472  			break
  8473  		}
  8474  		v.reset(OpARM64MOVBload)
  8475  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8476  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8477  		v.AddArg2(ptr, mem)
  8478  		return true
  8479  	}
  8480  	// match: (MOVBload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _))
  8481  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  8482  	// result: (MOVDconst [0])
  8483  	for {
  8484  		off := auxIntToInt32(v.AuxInt)
  8485  		sym := auxToSym(v.Aux)
  8486  		ptr := v_0
  8487  		if v_1.Op != OpARM64MOVBstorezero {
  8488  			break
  8489  		}
  8490  		off2 := auxIntToInt32(v_1.AuxInt)
  8491  		sym2 := auxToSym(v_1.Aux)
  8492  		ptr2 := v_1.Args[0]
  8493  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  8494  			break
  8495  		}
  8496  		v.reset(OpARM64MOVDconst)
  8497  		v.AuxInt = int64ToAuxInt(0)
  8498  		return true
  8499  	}
  8500  	return false
  8501  }
  8502  func rewriteValueARM64_OpARM64MOVBloadidx(v *Value) bool {
  8503  	v_2 := v.Args[2]
  8504  	v_1 := v.Args[1]
  8505  	v_0 := v.Args[0]
  8506  	// match: (MOVBloadidx ptr (MOVDconst [c]) mem)
  8507  	// cond: is32Bit(c)
  8508  	// result: (MOVBload [int32(c)] ptr mem)
  8509  	for {
  8510  		ptr := v_0
  8511  		if v_1.Op != OpARM64MOVDconst {
  8512  			break
  8513  		}
  8514  		c := auxIntToInt64(v_1.AuxInt)
  8515  		mem := v_2
  8516  		if !(is32Bit(c)) {
  8517  			break
  8518  		}
  8519  		v.reset(OpARM64MOVBload)
  8520  		v.AuxInt = int32ToAuxInt(int32(c))
  8521  		v.AddArg2(ptr, mem)
  8522  		return true
  8523  	}
  8524  	// match: (MOVBloadidx (MOVDconst [c]) ptr mem)
  8525  	// cond: is32Bit(c)
  8526  	// result: (MOVBload [int32(c)] ptr mem)
  8527  	for {
  8528  		if v_0.Op != OpARM64MOVDconst {
  8529  			break
  8530  		}
  8531  		c := auxIntToInt64(v_0.AuxInt)
  8532  		ptr := v_1
  8533  		mem := v_2
  8534  		if !(is32Bit(c)) {
  8535  			break
  8536  		}
  8537  		v.reset(OpARM64MOVBload)
  8538  		v.AuxInt = int32ToAuxInt(int32(c))
  8539  		v.AddArg2(ptr, mem)
  8540  		return true
  8541  	}
  8542  	// match: (MOVBloadidx ptr idx (MOVBstorezeroidx ptr2 idx2 _))
  8543  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
  8544  	// result: (MOVDconst [0])
  8545  	for {
  8546  		ptr := v_0
  8547  		idx := v_1
  8548  		if v_2.Op != OpARM64MOVBstorezeroidx {
  8549  			break
  8550  		}
  8551  		idx2 := v_2.Args[1]
  8552  		ptr2 := v_2.Args[0]
  8553  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
  8554  			break
  8555  		}
  8556  		v.reset(OpARM64MOVDconst)
  8557  		v.AuxInt = int64ToAuxInt(0)
  8558  		return true
  8559  	}
  8560  	return false
  8561  }
  8562  func rewriteValueARM64_OpARM64MOVBreg(v *Value) bool {
  8563  	v_0 := v.Args[0]
  8564  	// match: (MOVBreg (MOVDconst [c]))
  8565  	// result: (MOVDconst [int64(int8(c))])
  8566  	for {
  8567  		if v_0.Op != OpARM64MOVDconst {
  8568  			break
  8569  		}
  8570  		c := auxIntToInt64(v_0.AuxInt)
  8571  		v.reset(OpARM64MOVDconst)
  8572  		v.AuxInt = int64ToAuxInt(int64(int8(c)))
  8573  		return true
  8574  	}
  8575  	// match: (MOVBreg x)
  8576  	// cond: v.Type.Size() <= 1
  8577  	// result: x
  8578  	for {
  8579  		x := v_0
  8580  		if !(v.Type.Size() <= 1) {
  8581  			break
  8582  		}
  8583  		v.copyOf(x)
  8584  		return true
  8585  	}
  8586  	// match: (MOVBreg <t> (ANDconst x [c]))
  8587  	// cond: uint64(c) & uint64(0xffffffffffffff80) == 0
  8588  	// result: (ANDconst <t> x [c])
  8589  	for {
  8590  		t := v.Type
  8591  		if v_0.Op != OpARM64ANDconst {
  8592  			break
  8593  		}
  8594  		c := auxIntToInt64(v_0.AuxInt)
  8595  		x := v_0.Args[0]
  8596  		if !(uint64(c)&uint64(0xffffffffffffff80) == 0) {
  8597  			break
  8598  		}
  8599  		v.reset(OpARM64ANDconst)
  8600  		v.Type = t
  8601  		v.AuxInt = int64ToAuxInt(c)
  8602  		v.AddArg(x)
  8603  		return true
  8604  	}
  8605  	// match: (MOVBreg (SLLconst [lc] x))
  8606  	// cond: lc < 8
  8607  	// result: (SBFIZ [armBFAuxInt(lc, 8-lc)] x)
  8608  	for {
  8609  		if v_0.Op != OpARM64SLLconst {
  8610  			break
  8611  		}
  8612  		lc := auxIntToInt64(v_0.AuxInt)
  8613  		x := v_0.Args[0]
  8614  		if !(lc < 8) {
  8615  			break
  8616  		}
  8617  		v.reset(OpARM64SBFIZ)
  8618  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 8-lc))
  8619  		v.AddArg(x)
  8620  		return true
  8621  	}
  8622  	// match: (MOVBreg (SBFX [bfc] x))
  8623  	// cond: bfc.getARM64BFwidth() <= 8
  8624  	// result: (SBFX [bfc] x)
  8625  	for {
  8626  		if v_0.Op != OpARM64SBFX {
  8627  			break
  8628  		}
  8629  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  8630  		x := v_0.Args[0]
  8631  		if !(bfc.getARM64BFwidth() <= 8) {
  8632  			break
  8633  		}
  8634  		v.reset(OpARM64SBFX)
  8635  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
  8636  		v.AddArg(x)
  8637  		return true
  8638  	}
  8639  	return false
  8640  }
  8641  func rewriteValueARM64_OpARM64MOVBstore(v *Value) bool {
  8642  	v_2 := v.Args[2]
  8643  	v_1 := v.Args[1]
  8644  	v_0 := v.Args[0]
  8645  	b := v.Block
  8646  	config := b.Func.Config
  8647  	// match: (MOVBstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  8648  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8649  	// result: (MOVBstore [off1+int32(off2)] {sym} ptr val mem)
  8650  	for {
  8651  		off1 := auxIntToInt32(v.AuxInt)
  8652  		sym := auxToSym(v.Aux)
  8653  		if v_0.Op != OpARM64ADDconst {
  8654  			break
  8655  		}
  8656  		off2 := auxIntToInt64(v_0.AuxInt)
  8657  		ptr := v_0.Args[0]
  8658  		val := v_1
  8659  		mem := v_2
  8660  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8661  			break
  8662  		}
  8663  		v.reset(OpARM64MOVBstore)
  8664  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  8665  		v.Aux = symToAux(sym)
  8666  		v.AddArg3(ptr, val, mem)
  8667  		return true
  8668  	}
  8669  	// match: (MOVBstore [off] {sym} (ADD ptr idx) val mem)
  8670  	// cond: off == 0 && sym == nil
  8671  	// result: (MOVBstoreidx ptr idx val mem)
  8672  	for {
  8673  		off := auxIntToInt32(v.AuxInt)
  8674  		sym := auxToSym(v.Aux)
  8675  		if v_0.Op != OpARM64ADD {
  8676  			break
  8677  		}
  8678  		idx := v_0.Args[1]
  8679  		ptr := v_0.Args[0]
  8680  		val := v_1
  8681  		mem := v_2
  8682  		if !(off == 0 && sym == nil) {
  8683  			break
  8684  		}
  8685  		v.reset(OpARM64MOVBstoreidx)
  8686  		v.AddArg4(ptr, idx, val, mem)
  8687  		return true
  8688  	}
  8689  	// match: (MOVBstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  8690  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8691  	// result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  8692  	for {
  8693  		off1 := auxIntToInt32(v.AuxInt)
  8694  		sym1 := auxToSym(v.Aux)
  8695  		if v_0.Op != OpARM64MOVDaddr {
  8696  			break
  8697  		}
  8698  		off2 := auxIntToInt32(v_0.AuxInt)
  8699  		sym2 := auxToSym(v_0.Aux)
  8700  		ptr := v_0.Args[0]
  8701  		val := v_1
  8702  		mem := v_2
  8703  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8704  			break
  8705  		}
  8706  		v.reset(OpARM64MOVBstore)
  8707  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8708  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8709  		v.AddArg3(ptr, val, mem)
  8710  		return true
  8711  	}
  8712  	// match: (MOVBstore [off] {sym} ptr (MOVDconst [0]) mem)
  8713  	// result: (MOVBstorezero [off] {sym} ptr mem)
  8714  	for {
  8715  		off := auxIntToInt32(v.AuxInt)
  8716  		sym := auxToSym(v.Aux)
  8717  		ptr := v_0
  8718  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  8719  			break
  8720  		}
  8721  		mem := v_2
  8722  		v.reset(OpARM64MOVBstorezero)
  8723  		v.AuxInt = int32ToAuxInt(off)
  8724  		v.Aux = symToAux(sym)
  8725  		v.AddArg2(ptr, mem)
  8726  		return true
  8727  	}
  8728  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
  8729  	// result: (MOVBstore [off] {sym} ptr x mem)
  8730  	for {
  8731  		off := auxIntToInt32(v.AuxInt)
  8732  		sym := auxToSym(v.Aux)
  8733  		ptr := v_0
  8734  		if v_1.Op != OpARM64MOVBreg {
  8735  			break
  8736  		}
  8737  		x := v_1.Args[0]
  8738  		mem := v_2
  8739  		v.reset(OpARM64MOVBstore)
  8740  		v.AuxInt = int32ToAuxInt(off)
  8741  		v.Aux = symToAux(sym)
  8742  		v.AddArg3(ptr, x, mem)
  8743  		return true
  8744  	}
  8745  	// match: (MOVBstore [off] {sym} ptr (MOVBUreg x) mem)
  8746  	// result: (MOVBstore [off] {sym} ptr x mem)
  8747  	for {
  8748  		off := auxIntToInt32(v.AuxInt)
  8749  		sym := auxToSym(v.Aux)
  8750  		ptr := v_0
  8751  		if v_1.Op != OpARM64MOVBUreg {
  8752  			break
  8753  		}
  8754  		x := v_1.Args[0]
  8755  		mem := v_2
  8756  		v.reset(OpARM64MOVBstore)
  8757  		v.AuxInt = int32ToAuxInt(off)
  8758  		v.Aux = symToAux(sym)
  8759  		v.AddArg3(ptr, x, mem)
  8760  		return true
  8761  	}
  8762  	// match: (MOVBstore [off] {sym} ptr (MOVHreg x) mem)
  8763  	// result: (MOVBstore [off] {sym} ptr x mem)
  8764  	for {
  8765  		off := auxIntToInt32(v.AuxInt)
  8766  		sym := auxToSym(v.Aux)
  8767  		ptr := v_0
  8768  		if v_1.Op != OpARM64MOVHreg {
  8769  			break
  8770  		}
  8771  		x := v_1.Args[0]
  8772  		mem := v_2
  8773  		v.reset(OpARM64MOVBstore)
  8774  		v.AuxInt = int32ToAuxInt(off)
  8775  		v.Aux = symToAux(sym)
  8776  		v.AddArg3(ptr, x, mem)
  8777  		return true
  8778  	}
  8779  	// match: (MOVBstore [off] {sym} ptr (MOVHUreg x) mem)
  8780  	// result: (MOVBstore [off] {sym} ptr x mem)
  8781  	for {
  8782  		off := auxIntToInt32(v.AuxInt)
  8783  		sym := auxToSym(v.Aux)
  8784  		ptr := v_0
  8785  		if v_1.Op != OpARM64MOVHUreg {
  8786  			break
  8787  		}
  8788  		x := v_1.Args[0]
  8789  		mem := v_2
  8790  		v.reset(OpARM64MOVBstore)
  8791  		v.AuxInt = int32ToAuxInt(off)
  8792  		v.Aux = symToAux(sym)
  8793  		v.AddArg3(ptr, x, mem)
  8794  		return true
  8795  	}
  8796  	// match: (MOVBstore [off] {sym} ptr (MOVWreg x) mem)
  8797  	// result: (MOVBstore [off] {sym} ptr x mem)
  8798  	for {
  8799  		off := auxIntToInt32(v.AuxInt)
  8800  		sym := auxToSym(v.Aux)
  8801  		ptr := v_0
  8802  		if v_1.Op != OpARM64MOVWreg {
  8803  			break
  8804  		}
  8805  		x := v_1.Args[0]
  8806  		mem := v_2
  8807  		v.reset(OpARM64MOVBstore)
  8808  		v.AuxInt = int32ToAuxInt(off)
  8809  		v.Aux = symToAux(sym)
  8810  		v.AddArg3(ptr, x, mem)
  8811  		return true
  8812  	}
  8813  	// match: (MOVBstore [off] {sym} ptr (MOVWUreg x) mem)
  8814  	// result: (MOVBstore [off] {sym} ptr x mem)
  8815  	for {
  8816  		off := auxIntToInt32(v.AuxInt)
  8817  		sym := auxToSym(v.Aux)
  8818  		ptr := v_0
  8819  		if v_1.Op != OpARM64MOVWUreg {
  8820  			break
  8821  		}
  8822  		x := v_1.Args[0]
  8823  		mem := v_2
  8824  		v.reset(OpARM64MOVBstore)
  8825  		v.AuxInt = int32ToAuxInt(off)
  8826  		v.Aux = symToAux(sym)
  8827  		v.AddArg3(ptr, x, mem)
  8828  		return true
  8829  	}
  8830  	return false
  8831  }
  8832  func rewriteValueARM64_OpARM64MOVBstoreidx(v *Value) bool {
  8833  	v_3 := v.Args[3]
  8834  	v_2 := v.Args[2]
  8835  	v_1 := v.Args[1]
  8836  	v_0 := v.Args[0]
  8837  	// match: (MOVBstoreidx ptr (MOVDconst [c]) val mem)
  8838  	// cond: is32Bit(c)
  8839  	// result: (MOVBstore [int32(c)] ptr val mem)
  8840  	for {
  8841  		ptr := v_0
  8842  		if v_1.Op != OpARM64MOVDconst {
  8843  			break
  8844  		}
  8845  		c := auxIntToInt64(v_1.AuxInt)
  8846  		val := v_2
  8847  		mem := v_3
  8848  		if !(is32Bit(c)) {
  8849  			break
  8850  		}
  8851  		v.reset(OpARM64MOVBstore)
  8852  		v.AuxInt = int32ToAuxInt(int32(c))
  8853  		v.AddArg3(ptr, val, mem)
  8854  		return true
  8855  	}
  8856  	// match: (MOVBstoreidx (MOVDconst [c]) idx val mem)
  8857  	// cond: is32Bit(c)
  8858  	// result: (MOVBstore [int32(c)] idx val mem)
  8859  	for {
  8860  		if v_0.Op != OpARM64MOVDconst {
  8861  			break
  8862  		}
  8863  		c := auxIntToInt64(v_0.AuxInt)
  8864  		idx := v_1
  8865  		val := v_2
  8866  		mem := v_3
  8867  		if !(is32Bit(c)) {
  8868  			break
  8869  		}
  8870  		v.reset(OpARM64MOVBstore)
  8871  		v.AuxInt = int32ToAuxInt(int32(c))
  8872  		v.AddArg3(idx, val, mem)
  8873  		return true
  8874  	}
  8875  	// match: (MOVBstoreidx ptr idx (MOVDconst [0]) mem)
  8876  	// result: (MOVBstorezeroidx ptr idx mem)
  8877  	for {
  8878  		ptr := v_0
  8879  		idx := v_1
  8880  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  8881  			break
  8882  		}
  8883  		mem := v_3
  8884  		v.reset(OpARM64MOVBstorezeroidx)
  8885  		v.AddArg3(ptr, idx, mem)
  8886  		return true
  8887  	}
  8888  	// match: (MOVBstoreidx ptr idx (MOVBreg x) mem)
  8889  	// result: (MOVBstoreidx ptr idx x mem)
  8890  	for {
  8891  		ptr := v_0
  8892  		idx := v_1
  8893  		if v_2.Op != OpARM64MOVBreg {
  8894  			break
  8895  		}
  8896  		x := v_2.Args[0]
  8897  		mem := v_3
  8898  		v.reset(OpARM64MOVBstoreidx)
  8899  		v.AddArg4(ptr, idx, x, mem)
  8900  		return true
  8901  	}
  8902  	// match: (MOVBstoreidx ptr idx (MOVBUreg x) mem)
  8903  	// result: (MOVBstoreidx ptr idx x mem)
  8904  	for {
  8905  		ptr := v_0
  8906  		idx := v_1
  8907  		if v_2.Op != OpARM64MOVBUreg {
  8908  			break
  8909  		}
  8910  		x := v_2.Args[0]
  8911  		mem := v_3
  8912  		v.reset(OpARM64MOVBstoreidx)
  8913  		v.AddArg4(ptr, idx, x, mem)
  8914  		return true
  8915  	}
  8916  	// match: (MOVBstoreidx ptr idx (MOVHreg x) mem)
  8917  	// result: (MOVBstoreidx ptr idx x mem)
  8918  	for {
  8919  		ptr := v_0
  8920  		idx := v_1
  8921  		if v_2.Op != OpARM64MOVHreg {
  8922  			break
  8923  		}
  8924  		x := v_2.Args[0]
  8925  		mem := v_3
  8926  		v.reset(OpARM64MOVBstoreidx)
  8927  		v.AddArg4(ptr, idx, x, mem)
  8928  		return true
  8929  	}
  8930  	// match: (MOVBstoreidx ptr idx (MOVHUreg x) mem)
  8931  	// result: (MOVBstoreidx ptr idx x mem)
  8932  	for {
  8933  		ptr := v_0
  8934  		idx := v_1
  8935  		if v_2.Op != OpARM64MOVHUreg {
  8936  			break
  8937  		}
  8938  		x := v_2.Args[0]
  8939  		mem := v_3
  8940  		v.reset(OpARM64MOVBstoreidx)
  8941  		v.AddArg4(ptr, idx, x, mem)
  8942  		return true
  8943  	}
  8944  	// match: (MOVBstoreidx ptr idx (MOVWreg x) mem)
  8945  	// result: (MOVBstoreidx ptr idx x mem)
  8946  	for {
  8947  		ptr := v_0
  8948  		idx := v_1
  8949  		if v_2.Op != OpARM64MOVWreg {
  8950  			break
  8951  		}
  8952  		x := v_2.Args[0]
  8953  		mem := v_3
  8954  		v.reset(OpARM64MOVBstoreidx)
  8955  		v.AddArg4(ptr, idx, x, mem)
  8956  		return true
  8957  	}
  8958  	// match: (MOVBstoreidx ptr idx (MOVWUreg x) mem)
  8959  	// result: (MOVBstoreidx ptr idx x mem)
  8960  	for {
  8961  		ptr := v_0
  8962  		idx := v_1
  8963  		if v_2.Op != OpARM64MOVWUreg {
  8964  			break
  8965  		}
  8966  		x := v_2.Args[0]
  8967  		mem := v_3
  8968  		v.reset(OpARM64MOVBstoreidx)
  8969  		v.AddArg4(ptr, idx, x, mem)
  8970  		return true
  8971  	}
  8972  	return false
  8973  }
  8974  func rewriteValueARM64_OpARM64MOVBstorezero(v *Value) bool {
  8975  	v_1 := v.Args[1]
  8976  	v_0 := v.Args[0]
  8977  	b := v.Block
  8978  	config := b.Func.Config
  8979  	// match: (MOVBstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
  8980  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8981  	// result: (MOVBstorezero [off1+int32(off2)] {sym} ptr mem)
  8982  	for {
  8983  		off1 := auxIntToInt32(v.AuxInt)
  8984  		sym := auxToSym(v.Aux)
  8985  		if v_0.Op != OpARM64ADDconst {
  8986  			break
  8987  		}
  8988  		off2 := auxIntToInt64(v_0.AuxInt)
  8989  		ptr := v_0.Args[0]
  8990  		mem := v_1
  8991  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8992  			break
  8993  		}
  8994  		v.reset(OpARM64MOVBstorezero)
  8995  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  8996  		v.Aux = symToAux(sym)
  8997  		v.AddArg2(ptr, mem)
  8998  		return true
  8999  	}
  9000  	// match: (MOVBstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  9001  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9002  	// result: (MOVBstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  9003  	for {
  9004  		off1 := auxIntToInt32(v.AuxInt)
  9005  		sym1 := auxToSym(v.Aux)
  9006  		if v_0.Op != OpARM64MOVDaddr {
  9007  			break
  9008  		}
  9009  		off2 := auxIntToInt32(v_0.AuxInt)
  9010  		sym2 := auxToSym(v_0.Aux)
  9011  		ptr := v_0.Args[0]
  9012  		mem := v_1
  9013  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9014  			break
  9015  		}
  9016  		v.reset(OpARM64MOVBstorezero)
  9017  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9018  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9019  		v.AddArg2(ptr, mem)
  9020  		return true
  9021  	}
  9022  	// match: (MOVBstorezero [off] {sym} (ADD ptr idx) mem)
  9023  	// cond: off == 0 && sym == nil
  9024  	// result: (MOVBstorezeroidx ptr idx mem)
  9025  	for {
  9026  		off := auxIntToInt32(v.AuxInt)
  9027  		sym := auxToSym(v.Aux)
  9028  		if v_0.Op != OpARM64ADD {
  9029  			break
  9030  		}
  9031  		idx := v_0.Args[1]
  9032  		ptr := v_0.Args[0]
  9033  		mem := v_1
  9034  		if !(off == 0 && sym == nil) {
  9035  			break
  9036  		}
  9037  		v.reset(OpARM64MOVBstorezeroidx)
  9038  		v.AddArg3(ptr, idx, mem)
  9039  		return true
  9040  	}
  9041  	return false
  9042  }
  9043  func rewriteValueARM64_OpARM64MOVBstorezeroidx(v *Value) bool {
  9044  	v_2 := v.Args[2]
  9045  	v_1 := v.Args[1]
  9046  	v_0 := v.Args[0]
  9047  	// match: (MOVBstorezeroidx ptr (MOVDconst [c]) mem)
  9048  	// cond: is32Bit(c)
  9049  	// result: (MOVBstorezero [int32(c)] ptr mem)
  9050  	for {
  9051  		ptr := v_0
  9052  		if v_1.Op != OpARM64MOVDconst {
  9053  			break
  9054  		}
  9055  		c := auxIntToInt64(v_1.AuxInt)
  9056  		mem := v_2
  9057  		if !(is32Bit(c)) {
  9058  			break
  9059  		}
  9060  		v.reset(OpARM64MOVBstorezero)
  9061  		v.AuxInt = int32ToAuxInt(int32(c))
  9062  		v.AddArg2(ptr, mem)
  9063  		return true
  9064  	}
  9065  	// match: (MOVBstorezeroidx (MOVDconst [c]) idx mem)
  9066  	// cond: is32Bit(c)
  9067  	// result: (MOVBstorezero [int32(c)] idx mem)
  9068  	for {
  9069  		if v_0.Op != OpARM64MOVDconst {
  9070  			break
  9071  		}
  9072  		c := auxIntToInt64(v_0.AuxInt)
  9073  		idx := v_1
  9074  		mem := v_2
  9075  		if !(is32Bit(c)) {
  9076  			break
  9077  		}
  9078  		v.reset(OpARM64MOVBstorezero)
  9079  		v.AuxInt = int32ToAuxInt(int32(c))
  9080  		v.AddArg2(idx, mem)
  9081  		return true
  9082  	}
  9083  	return false
  9084  }
  9085  func rewriteValueARM64_OpARM64MOVDload(v *Value) bool {
  9086  	v_1 := v.Args[1]
  9087  	v_0 := v.Args[0]
  9088  	b := v.Block
  9089  	config := b.Func.Config
  9090  	// match: (MOVDload [off] {sym} ptr (FMOVDstore [off] {sym} ptr val _))
  9091  	// result: (FMOVDfpgp val)
  9092  	for {
  9093  		off := auxIntToInt32(v.AuxInt)
  9094  		sym := auxToSym(v.Aux)
  9095  		ptr := v_0
  9096  		if v_1.Op != OpARM64FMOVDstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  9097  			break
  9098  		}
  9099  		val := v_1.Args[1]
  9100  		if ptr != v_1.Args[0] {
  9101  			break
  9102  		}
  9103  		v.reset(OpARM64FMOVDfpgp)
  9104  		v.AddArg(val)
  9105  		return true
  9106  	}
  9107  	// match: (MOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
  9108  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9109  	// result: (MOVDload [off1+int32(off2)] {sym} ptr mem)
  9110  	for {
  9111  		off1 := auxIntToInt32(v.AuxInt)
  9112  		sym := auxToSym(v.Aux)
  9113  		if v_0.Op != OpARM64ADDconst {
  9114  			break
  9115  		}
  9116  		off2 := auxIntToInt64(v_0.AuxInt)
  9117  		ptr := v_0.Args[0]
  9118  		mem := v_1
  9119  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9120  			break
  9121  		}
  9122  		v.reset(OpARM64MOVDload)
  9123  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9124  		v.Aux = symToAux(sym)
  9125  		v.AddArg2(ptr, mem)
  9126  		return true
  9127  	}
  9128  	// match: (MOVDload [off] {sym} (ADD ptr idx) mem)
  9129  	// cond: off == 0 && sym == nil
  9130  	// result: (MOVDloadidx ptr idx mem)
  9131  	for {
  9132  		off := auxIntToInt32(v.AuxInt)
  9133  		sym := auxToSym(v.Aux)
  9134  		if v_0.Op != OpARM64ADD {
  9135  			break
  9136  		}
  9137  		idx := v_0.Args[1]
  9138  		ptr := v_0.Args[0]
  9139  		mem := v_1
  9140  		if !(off == 0 && sym == nil) {
  9141  			break
  9142  		}
  9143  		v.reset(OpARM64MOVDloadidx)
  9144  		v.AddArg3(ptr, idx, mem)
  9145  		return true
  9146  	}
  9147  	// match: (MOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem)
  9148  	// cond: off == 0 && sym == nil
  9149  	// result: (MOVDloadidx8 ptr idx mem)
  9150  	for {
  9151  		off := auxIntToInt32(v.AuxInt)
  9152  		sym := auxToSym(v.Aux)
  9153  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  9154  			break
  9155  		}
  9156  		idx := v_0.Args[1]
  9157  		ptr := v_0.Args[0]
  9158  		mem := v_1
  9159  		if !(off == 0 && sym == nil) {
  9160  			break
  9161  		}
  9162  		v.reset(OpARM64MOVDloadidx8)
  9163  		v.AddArg3(ptr, idx, mem)
  9164  		return true
  9165  	}
  9166  	// match: (MOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  9167  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9168  	// result: (MOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  9169  	for {
  9170  		off1 := auxIntToInt32(v.AuxInt)
  9171  		sym1 := auxToSym(v.Aux)
  9172  		if v_0.Op != OpARM64MOVDaddr {
  9173  			break
  9174  		}
  9175  		off2 := auxIntToInt32(v_0.AuxInt)
  9176  		sym2 := auxToSym(v_0.Aux)
  9177  		ptr := v_0.Args[0]
  9178  		mem := v_1
  9179  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9180  			break
  9181  		}
  9182  		v.reset(OpARM64MOVDload)
  9183  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9184  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9185  		v.AddArg2(ptr, mem)
  9186  		return true
  9187  	}
  9188  	// match: (MOVDload [off] {sym} ptr (MOVDstorezero [off2] {sym2} ptr2 _))
  9189  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  9190  	// result: (MOVDconst [0])
  9191  	for {
  9192  		off := auxIntToInt32(v.AuxInt)
  9193  		sym := auxToSym(v.Aux)
  9194  		ptr := v_0
  9195  		if v_1.Op != OpARM64MOVDstorezero {
  9196  			break
  9197  		}
  9198  		off2 := auxIntToInt32(v_1.AuxInt)
  9199  		sym2 := auxToSym(v_1.Aux)
  9200  		ptr2 := v_1.Args[0]
  9201  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  9202  			break
  9203  		}
  9204  		v.reset(OpARM64MOVDconst)
  9205  		v.AuxInt = int64ToAuxInt(0)
  9206  		return true
  9207  	}
  9208  	// match: (MOVDload [off] {sym} (SB) _)
  9209  	// cond: symIsRO(sym)
  9210  	// result: (MOVDconst [int64(read64(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  9211  	for {
  9212  		off := auxIntToInt32(v.AuxInt)
  9213  		sym := auxToSym(v.Aux)
  9214  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  9215  			break
  9216  		}
  9217  		v.reset(OpARM64MOVDconst)
  9218  		v.AuxInt = int64ToAuxInt(int64(read64(sym, int64(off), config.ctxt.Arch.ByteOrder)))
  9219  		return true
  9220  	}
  9221  	return false
  9222  }
  9223  func rewriteValueARM64_OpARM64MOVDloadidx(v *Value) bool {
  9224  	v_2 := v.Args[2]
  9225  	v_1 := v.Args[1]
  9226  	v_0 := v.Args[0]
  9227  	// match: (MOVDloadidx ptr (MOVDconst [c]) mem)
  9228  	// cond: is32Bit(c)
  9229  	// result: (MOVDload [int32(c)] ptr mem)
  9230  	for {
  9231  		ptr := v_0
  9232  		if v_1.Op != OpARM64MOVDconst {
  9233  			break
  9234  		}
  9235  		c := auxIntToInt64(v_1.AuxInt)
  9236  		mem := v_2
  9237  		if !(is32Bit(c)) {
  9238  			break
  9239  		}
  9240  		v.reset(OpARM64MOVDload)
  9241  		v.AuxInt = int32ToAuxInt(int32(c))
  9242  		v.AddArg2(ptr, mem)
  9243  		return true
  9244  	}
  9245  	// match: (MOVDloadidx (MOVDconst [c]) ptr mem)
  9246  	// cond: is32Bit(c)
  9247  	// result: (MOVDload [int32(c)] ptr mem)
  9248  	for {
  9249  		if v_0.Op != OpARM64MOVDconst {
  9250  			break
  9251  		}
  9252  		c := auxIntToInt64(v_0.AuxInt)
  9253  		ptr := v_1
  9254  		mem := v_2
  9255  		if !(is32Bit(c)) {
  9256  			break
  9257  		}
  9258  		v.reset(OpARM64MOVDload)
  9259  		v.AuxInt = int32ToAuxInt(int32(c))
  9260  		v.AddArg2(ptr, mem)
  9261  		return true
  9262  	}
  9263  	// match: (MOVDloadidx ptr (SLLconst [3] idx) mem)
  9264  	// result: (MOVDloadidx8 ptr idx mem)
  9265  	for {
  9266  		ptr := v_0
  9267  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  9268  			break
  9269  		}
  9270  		idx := v_1.Args[0]
  9271  		mem := v_2
  9272  		v.reset(OpARM64MOVDloadidx8)
  9273  		v.AddArg3(ptr, idx, mem)
  9274  		return true
  9275  	}
  9276  	// match: (MOVDloadidx (SLLconst [3] idx) ptr mem)
  9277  	// result: (MOVDloadidx8 ptr idx mem)
  9278  	for {
  9279  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  9280  			break
  9281  		}
  9282  		idx := v_0.Args[0]
  9283  		ptr := v_1
  9284  		mem := v_2
  9285  		v.reset(OpARM64MOVDloadidx8)
  9286  		v.AddArg3(ptr, idx, mem)
  9287  		return true
  9288  	}
  9289  	// match: (MOVDloadidx ptr idx (MOVDstorezeroidx ptr2 idx2 _))
  9290  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
  9291  	// result: (MOVDconst [0])
  9292  	for {
  9293  		ptr := v_0
  9294  		idx := v_1
  9295  		if v_2.Op != OpARM64MOVDstorezeroidx {
  9296  			break
  9297  		}
  9298  		idx2 := v_2.Args[1]
  9299  		ptr2 := v_2.Args[0]
  9300  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
  9301  			break
  9302  		}
  9303  		v.reset(OpARM64MOVDconst)
  9304  		v.AuxInt = int64ToAuxInt(0)
  9305  		return true
  9306  	}
  9307  	return false
  9308  }
  9309  func rewriteValueARM64_OpARM64MOVDloadidx8(v *Value) bool {
  9310  	v_2 := v.Args[2]
  9311  	v_1 := v.Args[1]
  9312  	v_0 := v.Args[0]
  9313  	// match: (MOVDloadidx8 ptr (MOVDconst [c]) mem)
  9314  	// cond: is32Bit(c<<3)
  9315  	// result: (MOVDload [int32(c)<<3] ptr mem)
  9316  	for {
  9317  		ptr := v_0
  9318  		if v_1.Op != OpARM64MOVDconst {
  9319  			break
  9320  		}
  9321  		c := auxIntToInt64(v_1.AuxInt)
  9322  		mem := v_2
  9323  		if !(is32Bit(c << 3)) {
  9324  			break
  9325  		}
  9326  		v.reset(OpARM64MOVDload)
  9327  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  9328  		v.AddArg2(ptr, mem)
  9329  		return true
  9330  	}
  9331  	// match: (MOVDloadidx8 ptr idx (MOVDstorezeroidx8 ptr2 idx2 _))
  9332  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
  9333  	// result: (MOVDconst [0])
  9334  	for {
  9335  		ptr := v_0
  9336  		idx := v_1
  9337  		if v_2.Op != OpARM64MOVDstorezeroidx8 {
  9338  			break
  9339  		}
  9340  		idx2 := v_2.Args[1]
  9341  		ptr2 := v_2.Args[0]
  9342  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
  9343  			break
  9344  		}
  9345  		v.reset(OpARM64MOVDconst)
  9346  		v.AuxInt = int64ToAuxInt(0)
  9347  		return true
  9348  	}
  9349  	return false
  9350  }
  9351  func rewriteValueARM64_OpARM64MOVDnop(v *Value) bool {
  9352  	v_0 := v.Args[0]
  9353  	// match: (MOVDnop (MOVDconst [c]))
  9354  	// result: (MOVDconst [c])
  9355  	for {
  9356  		if v_0.Op != OpARM64MOVDconst {
  9357  			break
  9358  		}
  9359  		c := auxIntToInt64(v_0.AuxInt)
  9360  		v.reset(OpARM64MOVDconst)
  9361  		v.AuxInt = int64ToAuxInt(c)
  9362  		return true
  9363  	}
  9364  	return false
  9365  }
  9366  func rewriteValueARM64_OpARM64MOVDreg(v *Value) bool {
  9367  	v_0 := v.Args[0]
  9368  	// match: (MOVDreg x)
  9369  	// cond: x.Uses == 1
  9370  	// result: (MOVDnop x)
  9371  	for {
  9372  		x := v_0
  9373  		if !(x.Uses == 1) {
  9374  			break
  9375  		}
  9376  		v.reset(OpARM64MOVDnop)
  9377  		v.AddArg(x)
  9378  		return true
  9379  	}
  9380  	// match: (MOVDreg (MOVDconst [c]))
  9381  	// result: (MOVDconst [c])
  9382  	for {
  9383  		if v_0.Op != OpARM64MOVDconst {
  9384  			break
  9385  		}
  9386  		c := auxIntToInt64(v_0.AuxInt)
  9387  		v.reset(OpARM64MOVDconst)
  9388  		v.AuxInt = int64ToAuxInt(c)
  9389  		return true
  9390  	}
  9391  	return false
  9392  }
  9393  func rewriteValueARM64_OpARM64MOVDstore(v *Value) bool {
  9394  	v_2 := v.Args[2]
  9395  	v_1 := v.Args[1]
  9396  	v_0 := v.Args[0]
  9397  	b := v.Block
  9398  	config := b.Func.Config
  9399  	// match: (MOVDstore [off] {sym} ptr (FMOVDfpgp val) mem)
  9400  	// result: (FMOVDstore [off] {sym} ptr val mem)
  9401  	for {
  9402  		off := auxIntToInt32(v.AuxInt)
  9403  		sym := auxToSym(v.Aux)
  9404  		ptr := v_0
  9405  		if v_1.Op != OpARM64FMOVDfpgp {
  9406  			break
  9407  		}
  9408  		val := v_1.Args[0]
  9409  		mem := v_2
  9410  		v.reset(OpARM64FMOVDstore)
  9411  		v.AuxInt = int32ToAuxInt(off)
  9412  		v.Aux = symToAux(sym)
  9413  		v.AddArg3(ptr, val, mem)
  9414  		return true
  9415  	}
  9416  	// match: (MOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  9417  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9418  	// result: (MOVDstore [off1+int32(off2)] {sym} ptr val mem)
  9419  	for {
  9420  		off1 := auxIntToInt32(v.AuxInt)
  9421  		sym := auxToSym(v.Aux)
  9422  		if v_0.Op != OpARM64ADDconst {
  9423  			break
  9424  		}
  9425  		off2 := auxIntToInt64(v_0.AuxInt)
  9426  		ptr := v_0.Args[0]
  9427  		val := v_1
  9428  		mem := v_2
  9429  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9430  			break
  9431  		}
  9432  		v.reset(OpARM64MOVDstore)
  9433  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9434  		v.Aux = symToAux(sym)
  9435  		v.AddArg3(ptr, val, mem)
  9436  		return true
  9437  	}
  9438  	// match: (MOVDstore [off] {sym} (ADD ptr idx) val mem)
  9439  	// cond: off == 0 && sym == nil
  9440  	// result: (MOVDstoreidx ptr idx val mem)
  9441  	for {
  9442  		off := auxIntToInt32(v.AuxInt)
  9443  		sym := auxToSym(v.Aux)
  9444  		if v_0.Op != OpARM64ADD {
  9445  			break
  9446  		}
  9447  		idx := v_0.Args[1]
  9448  		ptr := v_0.Args[0]
  9449  		val := v_1
  9450  		mem := v_2
  9451  		if !(off == 0 && sym == nil) {
  9452  			break
  9453  		}
  9454  		v.reset(OpARM64MOVDstoreidx)
  9455  		v.AddArg4(ptr, idx, val, mem)
  9456  		return true
  9457  	}
  9458  	// match: (MOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem)
  9459  	// cond: off == 0 && sym == nil
  9460  	// result: (MOVDstoreidx8 ptr idx val mem)
  9461  	for {
  9462  		off := auxIntToInt32(v.AuxInt)
  9463  		sym := auxToSym(v.Aux)
  9464  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  9465  			break
  9466  		}
  9467  		idx := v_0.Args[1]
  9468  		ptr := v_0.Args[0]
  9469  		val := v_1
  9470  		mem := v_2
  9471  		if !(off == 0 && sym == nil) {
  9472  			break
  9473  		}
  9474  		v.reset(OpARM64MOVDstoreidx8)
  9475  		v.AddArg4(ptr, idx, val, mem)
  9476  		return true
  9477  	}
  9478  	// match: (MOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  9479  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9480  	// result: (MOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  9481  	for {
  9482  		off1 := auxIntToInt32(v.AuxInt)
  9483  		sym1 := auxToSym(v.Aux)
  9484  		if v_0.Op != OpARM64MOVDaddr {
  9485  			break
  9486  		}
  9487  		off2 := auxIntToInt32(v_0.AuxInt)
  9488  		sym2 := auxToSym(v_0.Aux)
  9489  		ptr := v_0.Args[0]
  9490  		val := v_1
  9491  		mem := v_2
  9492  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9493  			break
  9494  		}
  9495  		v.reset(OpARM64MOVDstore)
  9496  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9497  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9498  		v.AddArg3(ptr, val, mem)
  9499  		return true
  9500  	}
  9501  	// match: (MOVDstore [off] {sym} ptr (MOVDconst [0]) mem)
  9502  	// result: (MOVDstorezero [off] {sym} ptr mem)
  9503  	for {
  9504  		off := auxIntToInt32(v.AuxInt)
  9505  		sym := auxToSym(v.Aux)
  9506  		ptr := v_0
  9507  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  9508  			break
  9509  		}
  9510  		mem := v_2
  9511  		v.reset(OpARM64MOVDstorezero)
  9512  		v.AuxInt = int32ToAuxInt(off)
  9513  		v.Aux = symToAux(sym)
  9514  		v.AddArg2(ptr, mem)
  9515  		return true
  9516  	}
  9517  	return false
  9518  }
  9519  func rewriteValueARM64_OpARM64MOVDstoreidx(v *Value) bool {
  9520  	v_3 := v.Args[3]
  9521  	v_2 := v.Args[2]
  9522  	v_1 := v.Args[1]
  9523  	v_0 := v.Args[0]
  9524  	// match: (MOVDstoreidx ptr (MOVDconst [c]) val mem)
  9525  	// cond: is32Bit(c)
  9526  	// result: (MOVDstore [int32(c)] ptr val mem)
  9527  	for {
  9528  		ptr := v_0
  9529  		if v_1.Op != OpARM64MOVDconst {
  9530  			break
  9531  		}
  9532  		c := auxIntToInt64(v_1.AuxInt)
  9533  		val := v_2
  9534  		mem := v_3
  9535  		if !(is32Bit(c)) {
  9536  			break
  9537  		}
  9538  		v.reset(OpARM64MOVDstore)
  9539  		v.AuxInt = int32ToAuxInt(int32(c))
  9540  		v.AddArg3(ptr, val, mem)
  9541  		return true
  9542  	}
  9543  	// match: (MOVDstoreidx (MOVDconst [c]) idx val mem)
  9544  	// cond: is32Bit(c)
  9545  	// result: (MOVDstore [int32(c)] idx val mem)
  9546  	for {
  9547  		if v_0.Op != OpARM64MOVDconst {
  9548  			break
  9549  		}
  9550  		c := auxIntToInt64(v_0.AuxInt)
  9551  		idx := v_1
  9552  		val := v_2
  9553  		mem := v_3
  9554  		if !(is32Bit(c)) {
  9555  			break
  9556  		}
  9557  		v.reset(OpARM64MOVDstore)
  9558  		v.AuxInt = int32ToAuxInt(int32(c))
  9559  		v.AddArg3(idx, val, mem)
  9560  		return true
  9561  	}
  9562  	// match: (MOVDstoreidx ptr (SLLconst [3] idx) val mem)
  9563  	// result: (MOVDstoreidx8 ptr idx val mem)
  9564  	for {
  9565  		ptr := v_0
  9566  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  9567  			break
  9568  		}
  9569  		idx := v_1.Args[0]
  9570  		val := v_2
  9571  		mem := v_3
  9572  		v.reset(OpARM64MOVDstoreidx8)
  9573  		v.AddArg4(ptr, idx, val, mem)
  9574  		return true
  9575  	}
  9576  	// match: (MOVDstoreidx (SLLconst [3] idx) ptr val mem)
  9577  	// result: (MOVDstoreidx8 ptr idx val mem)
  9578  	for {
  9579  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  9580  			break
  9581  		}
  9582  		idx := v_0.Args[0]
  9583  		ptr := v_1
  9584  		val := v_2
  9585  		mem := v_3
  9586  		v.reset(OpARM64MOVDstoreidx8)
  9587  		v.AddArg4(ptr, idx, val, mem)
  9588  		return true
  9589  	}
  9590  	// match: (MOVDstoreidx ptr idx (MOVDconst [0]) mem)
  9591  	// result: (MOVDstorezeroidx ptr idx mem)
  9592  	for {
  9593  		ptr := v_0
  9594  		idx := v_1
  9595  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  9596  			break
  9597  		}
  9598  		mem := v_3
  9599  		v.reset(OpARM64MOVDstorezeroidx)
  9600  		v.AddArg3(ptr, idx, mem)
  9601  		return true
  9602  	}
  9603  	return false
  9604  }
  9605  func rewriteValueARM64_OpARM64MOVDstoreidx8(v *Value) bool {
  9606  	v_3 := v.Args[3]
  9607  	v_2 := v.Args[2]
  9608  	v_1 := v.Args[1]
  9609  	v_0 := v.Args[0]
  9610  	// match: (MOVDstoreidx8 ptr (MOVDconst [c]) val mem)
  9611  	// cond: is32Bit(c<<3)
  9612  	// result: (MOVDstore [int32(c)<<3] ptr val mem)
  9613  	for {
  9614  		ptr := v_0
  9615  		if v_1.Op != OpARM64MOVDconst {
  9616  			break
  9617  		}
  9618  		c := auxIntToInt64(v_1.AuxInt)
  9619  		val := v_2
  9620  		mem := v_3
  9621  		if !(is32Bit(c << 3)) {
  9622  			break
  9623  		}
  9624  		v.reset(OpARM64MOVDstore)
  9625  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  9626  		v.AddArg3(ptr, val, mem)
  9627  		return true
  9628  	}
  9629  	// match: (MOVDstoreidx8 ptr idx (MOVDconst [0]) mem)
  9630  	// result: (MOVDstorezeroidx8 ptr idx mem)
  9631  	for {
  9632  		ptr := v_0
  9633  		idx := v_1
  9634  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  9635  			break
  9636  		}
  9637  		mem := v_3
  9638  		v.reset(OpARM64MOVDstorezeroidx8)
  9639  		v.AddArg3(ptr, idx, mem)
  9640  		return true
  9641  	}
  9642  	return false
  9643  }
  9644  func rewriteValueARM64_OpARM64MOVDstorezero(v *Value) bool {
  9645  	v_1 := v.Args[1]
  9646  	v_0 := v.Args[0]
  9647  	b := v.Block
  9648  	config := b.Func.Config
  9649  	// match: (MOVDstorezero {s} [i] ptr x:(MOVDstorezero {s} [i+8] ptr mem))
  9650  	// cond: x.Uses == 1 && setPos(v, x.Pos) && clobber(x)
  9651  	// result: (MOVQstorezero {s} [i] ptr mem)
  9652  	for {
  9653  		i := auxIntToInt32(v.AuxInt)
  9654  		s := auxToSym(v.Aux)
  9655  		ptr := v_0
  9656  		x := v_1
  9657  		if x.Op != OpARM64MOVDstorezero || auxIntToInt32(x.AuxInt) != i+8 || auxToSym(x.Aux) != s {
  9658  			break
  9659  		}
  9660  		mem := x.Args[1]
  9661  		if ptr != x.Args[0] || !(x.Uses == 1 && setPos(v, x.Pos) && clobber(x)) {
  9662  			break
  9663  		}
  9664  		v.reset(OpARM64MOVQstorezero)
  9665  		v.AuxInt = int32ToAuxInt(i)
  9666  		v.Aux = symToAux(s)
  9667  		v.AddArg2(ptr, mem)
  9668  		return true
  9669  	}
  9670  	// match: (MOVDstorezero {s} [i] ptr x:(MOVDstorezero {s} [i-8] ptr mem))
  9671  	// cond: x.Uses == 1 && setPos(v, x.Pos) && clobber(x)
  9672  	// result: (MOVQstorezero {s} [i-8] ptr mem)
  9673  	for {
  9674  		i := auxIntToInt32(v.AuxInt)
  9675  		s := auxToSym(v.Aux)
  9676  		ptr := v_0
  9677  		x := v_1
  9678  		if x.Op != OpARM64MOVDstorezero || auxIntToInt32(x.AuxInt) != i-8 || auxToSym(x.Aux) != s {
  9679  			break
  9680  		}
  9681  		mem := x.Args[1]
  9682  		if ptr != x.Args[0] || !(x.Uses == 1 && setPos(v, x.Pos) && clobber(x)) {
  9683  			break
  9684  		}
  9685  		v.reset(OpARM64MOVQstorezero)
  9686  		v.AuxInt = int32ToAuxInt(i - 8)
  9687  		v.Aux = symToAux(s)
  9688  		v.AddArg2(ptr, mem)
  9689  		return true
  9690  	}
  9691  	// match: (MOVDstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
  9692  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9693  	// result: (MOVDstorezero [off1+int32(off2)] {sym} ptr mem)
  9694  	for {
  9695  		off1 := auxIntToInt32(v.AuxInt)
  9696  		sym := auxToSym(v.Aux)
  9697  		if v_0.Op != OpARM64ADDconst {
  9698  			break
  9699  		}
  9700  		off2 := auxIntToInt64(v_0.AuxInt)
  9701  		ptr := v_0.Args[0]
  9702  		mem := v_1
  9703  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9704  			break
  9705  		}
  9706  		v.reset(OpARM64MOVDstorezero)
  9707  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9708  		v.Aux = symToAux(sym)
  9709  		v.AddArg2(ptr, mem)
  9710  		return true
  9711  	}
  9712  	// match: (MOVDstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  9713  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9714  	// result: (MOVDstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  9715  	for {
  9716  		off1 := auxIntToInt32(v.AuxInt)
  9717  		sym1 := auxToSym(v.Aux)
  9718  		if v_0.Op != OpARM64MOVDaddr {
  9719  			break
  9720  		}
  9721  		off2 := auxIntToInt32(v_0.AuxInt)
  9722  		sym2 := auxToSym(v_0.Aux)
  9723  		ptr := v_0.Args[0]
  9724  		mem := v_1
  9725  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9726  			break
  9727  		}
  9728  		v.reset(OpARM64MOVDstorezero)
  9729  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9730  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9731  		v.AddArg2(ptr, mem)
  9732  		return true
  9733  	}
  9734  	// match: (MOVDstorezero [off] {sym} (ADD ptr idx) mem)
  9735  	// cond: off == 0 && sym == nil
  9736  	// result: (MOVDstorezeroidx ptr idx mem)
  9737  	for {
  9738  		off := auxIntToInt32(v.AuxInt)
  9739  		sym := auxToSym(v.Aux)
  9740  		if v_0.Op != OpARM64ADD {
  9741  			break
  9742  		}
  9743  		idx := v_0.Args[1]
  9744  		ptr := v_0.Args[0]
  9745  		mem := v_1
  9746  		if !(off == 0 && sym == nil) {
  9747  			break
  9748  		}
  9749  		v.reset(OpARM64MOVDstorezeroidx)
  9750  		v.AddArg3(ptr, idx, mem)
  9751  		return true
  9752  	}
  9753  	// match: (MOVDstorezero [off] {sym} (ADDshiftLL [3] ptr idx) mem)
  9754  	// cond: off == 0 && sym == nil
  9755  	// result: (MOVDstorezeroidx8 ptr idx mem)
  9756  	for {
  9757  		off := auxIntToInt32(v.AuxInt)
  9758  		sym := auxToSym(v.Aux)
  9759  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  9760  			break
  9761  		}
  9762  		idx := v_0.Args[1]
  9763  		ptr := v_0.Args[0]
  9764  		mem := v_1
  9765  		if !(off == 0 && sym == nil) {
  9766  			break
  9767  		}
  9768  		v.reset(OpARM64MOVDstorezeroidx8)
  9769  		v.AddArg3(ptr, idx, mem)
  9770  		return true
  9771  	}
  9772  	return false
  9773  }
  9774  func rewriteValueARM64_OpARM64MOVDstorezeroidx(v *Value) bool {
  9775  	v_2 := v.Args[2]
  9776  	v_1 := v.Args[1]
  9777  	v_0 := v.Args[0]
  9778  	// match: (MOVDstorezeroidx ptr (MOVDconst [c]) mem)
  9779  	// cond: is32Bit(c)
  9780  	// result: (MOVDstorezero [int32(c)] ptr mem)
  9781  	for {
  9782  		ptr := v_0
  9783  		if v_1.Op != OpARM64MOVDconst {
  9784  			break
  9785  		}
  9786  		c := auxIntToInt64(v_1.AuxInt)
  9787  		mem := v_2
  9788  		if !(is32Bit(c)) {
  9789  			break
  9790  		}
  9791  		v.reset(OpARM64MOVDstorezero)
  9792  		v.AuxInt = int32ToAuxInt(int32(c))
  9793  		v.AddArg2(ptr, mem)
  9794  		return true
  9795  	}
  9796  	// match: (MOVDstorezeroidx (MOVDconst [c]) idx mem)
  9797  	// cond: is32Bit(c)
  9798  	// result: (MOVDstorezero [int32(c)] idx mem)
  9799  	for {
  9800  		if v_0.Op != OpARM64MOVDconst {
  9801  			break
  9802  		}
  9803  		c := auxIntToInt64(v_0.AuxInt)
  9804  		idx := v_1
  9805  		mem := v_2
  9806  		if !(is32Bit(c)) {
  9807  			break
  9808  		}
  9809  		v.reset(OpARM64MOVDstorezero)
  9810  		v.AuxInt = int32ToAuxInt(int32(c))
  9811  		v.AddArg2(idx, mem)
  9812  		return true
  9813  	}
  9814  	// match: (MOVDstorezeroidx ptr (SLLconst [3] idx) mem)
  9815  	// result: (MOVDstorezeroidx8 ptr idx mem)
  9816  	for {
  9817  		ptr := v_0
  9818  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  9819  			break
  9820  		}
  9821  		idx := v_1.Args[0]
  9822  		mem := v_2
  9823  		v.reset(OpARM64MOVDstorezeroidx8)
  9824  		v.AddArg3(ptr, idx, mem)
  9825  		return true
  9826  	}
  9827  	// match: (MOVDstorezeroidx (SLLconst [3] idx) ptr mem)
  9828  	// result: (MOVDstorezeroidx8 ptr idx mem)
  9829  	for {
  9830  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  9831  			break
  9832  		}
  9833  		idx := v_0.Args[0]
  9834  		ptr := v_1
  9835  		mem := v_2
  9836  		v.reset(OpARM64MOVDstorezeroidx8)
  9837  		v.AddArg3(ptr, idx, mem)
  9838  		return true
  9839  	}
  9840  	return false
  9841  }
  9842  func rewriteValueARM64_OpARM64MOVDstorezeroidx8(v *Value) bool {
  9843  	v_2 := v.Args[2]
  9844  	v_1 := v.Args[1]
  9845  	v_0 := v.Args[0]
  9846  	// match: (MOVDstorezeroidx8 ptr (MOVDconst [c]) mem)
  9847  	// cond: is32Bit(c<<3)
  9848  	// result: (MOVDstorezero [int32(c<<3)] ptr mem)
  9849  	for {
  9850  		ptr := v_0
  9851  		if v_1.Op != OpARM64MOVDconst {
  9852  			break
  9853  		}
  9854  		c := auxIntToInt64(v_1.AuxInt)
  9855  		mem := v_2
  9856  		if !(is32Bit(c << 3)) {
  9857  			break
  9858  		}
  9859  		v.reset(OpARM64MOVDstorezero)
  9860  		v.AuxInt = int32ToAuxInt(int32(c << 3))
  9861  		v.AddArg2(ptr, mem)
  9862  		return true
  9863  	}
  9864  	return false
  9865  }
  9866  func rewriteValueARM64_OpARM64MOVHUload(v *Value) bool {
  9867  	v_1 := v.Args[1]
  9868  	v_0 := v.Args[0]
  9869  	b := v.Block
  9870  	config := b.Func.Config
  9871  	// match: (MOVHUload [off1] {sym} (ADDconst [off2] ptr) mem)
  9872  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9873  	// result: (MOVHUload [off1+int32(off2)] {sym} ptr mem)
  9874  	for {
  9875  		off1 := auxIntToInt32(v.AuxInt)
  9876  		sym := auxToSym(v.Aux)
  9877  		if v_0.Op != OpARM64ADDconst {
  9878  			break
  9879  		}
  9880  		off2 := auxIntToInt64(v_0.AuxInt)
  9881  		ptr := v_0.Args[0]
  9882  		mem := v_1
  9883  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9884  			break
  9885  		}
  9886  		v.reset(OpARM64MOVHUload)
  9887  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9888  		v.Aux = symToAux(sym)
  9889  		v.AddArg2(ptr, mem)
  9890  		return true
  9891  	}
  9892  	// match: (MOVHUload [off] {sym} (ADD ptr idx) mem)
  9893  	// cond: off == 0 && sym == nil
  9894  	// result: (MOVHUloadidx ptr idx mem)
  9895  	for {
  9896  		off := auxIntToInt32(v.AuxInt)
  9897  		sym := auxToSym(v.Aux)
  9898  		if v_0.Op != OpARM64ADD {
  9899  			break
  9900  		}
  9901  		idx := v_0.Args[1]
  9902  		ptr := v_0.Args[0]
  9903  		mem := v_1
  9904  		if !(off == 0 && sym == nil) {
  9905  			break
  9906  		}
  9907  		v.reset(OpARM64MOVHUloadidx)
  9908  		v.AddArg3(ptr, idx, mem)
  9909  		return true
  9910  	}
  9911  	// match: (MOVHUload [off] {sym} (ADDshiftLL [1] ptr idx) mem)
  9912  	// cond: off == 0 && sym == nil
  9913  	// result: (MOVHUloadidx2 ptr idx mem)
  9914  	for {
  9915  		off := auxIntToInt32(v.AuxInt)
  9916  		sym := auxToSym(v.Aux)
  9917  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
  9918  			break
  9919  		}
  9920  		idx := v_0.Args[1]
  9921  		ptr := v_0.Args[0]
  9922  		mem := v_1
  9923  		if !(off == 0 && sym == nil) {
  9924  			break
  9925  		}
  9926  		v.reset(OpARM64MOVHUloadidx2)
  9927  		v.AddArg3(ptr, idx, mem)
  9928  		return true
  9929  	}
  9930  	// match: (MOVHUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  9931  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9932  	// result: (MOVHUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  9933  	for {
  9934  		off1 := auxIntToInt32(v.AuxInt)
  9935  		sym1 := auxToSym(v.Aux)
  9936  		if v_0.Op != OpARM64MOVDaddr {
  9937  			break
  9938  		}
  9939  		off2 := auxIntToInt32(v_0.AuxInt)
  9940  		sym2 := auxToSym(v_0.Aux)
  9941  		ptr := v_0.Args[0]
  9942  		mem := v_1
  9943  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9944  			break
  9945  		}
  9946  		v.reset(OpARM64MOVHUload)
  9947  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9948  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9949  		v.AddArg2(ptr, mem)
  9950  		return true
  9951  	}
  9952  	// match: (MOVHUload [off] {sym} ptr (MOVHstorezero [off2] {sym2} ptr2 _))
  9953  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  9954  	// result: (MOVDconst [0])
  9955  	for {
  9956  		off := auxIntToInt32(v.AuxInt)
  9957  		sym := auxToSym(v.Aux)
  9958  		ptr := v_0
  9959  		if v_1.Op != OpARM64MOVHstorezero {
  9960  			break
  9961  		}
  9962  		off2 := auxIntToInt32(v_1.AuxInt)
  9963  		sym2 := auxToSym(v_1.Aux)
  9964  		ptr2 := v_1.Args[0]
  9965  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  9966  			break
  9967  		}
  9968  		v.reset(OpARM64MOVDconst)
  9969  		v.AuxInt = int64ToAuxInt(0)
  9970  		return true
  9971  	}
  9972  	// match: (MOVHUload [off] {sym} (SB) _)
  9973  	// cond: symIsRO(sym)
  9974  	// result: (MOVDconst [int64(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  9975  	for {
  9976  		off := auxIntToInt32(v.AuxInt)
  9977  		sym := auxToSym(v.Aux)
  9978  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  9979  			break
  9980  		}
  9981  		v.reset(OpARM64MOVDconst)
  9982  		v.AuxInt = int64ToAuxInt(int64(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))
  9983  		return true
  9984  	}
  9985  	return false
  9986  }
  9987  func rewriteValueARM64_OpARM64MOVHUloadidx(v *Value) bool {
  9988  	v_2 := v.Args[2]
  9989  	v_1 := v.Args[1]
  9990  	v_0 := v.Args[0]
  9991  	// match: (MOVHUloadidx ptr (MOVDconst [c]) mem)
  9992  	// cond: is32Bit(c)
  9993  	// result: (MOVHUload [int32(c)] ptr mem)
  9994  	for {
  9995  		ptr := v_0
  9996  		if v_1.Op != OpARM64MOVDconst {
  9997  			break
  9998  		}
  9999  		c := auxIntToInt64(v_1.AuxInt)
 10000  		mem := v_2
 10001  		if !(is32Bit(c)) {
 10002  			break
 10003  		}
 10004  		v.reset(OpARM64MOVHUload)
 10005  		v.AuxInt = int32ToAuxInt(int32(c))
 10006  		v.AddArg2(ptr, mem)
 10007  		return true
 10008  	}
 10009  	// match: (MOVHUloadidx (MOVDconst [c]) ptr mem)
 10010  	// cond: is32Bit(c)
 10011  	// result: (MOVHUload [int32(c)] ptr mem)
 10012  	for {
 10013  		if v_0.Op != OpARM64MOVDconst {
 10014  			break
 10015  		}
 10016  		c := auxIntToInt64(v_0.AuxInt)
 10017  		ptr := v_1
 10018  		mem := v_2
 10019  		if !(is32Bit(c)) {
 10020  			break
 10021  		}
 10022  		v.reset(OpARM64MOVHUload)
 10023  		v.AuxInt = int32ToAuxInt(int32(c))
 10024  		v.AddArg2(ptr, mem)
 10025  		return true
 10026  	}
 10027  	// match: (MOVHUloadidx ptr (SLLconst [1] idx) mem)
 10028  	// result: (MOVHUloadidx2 ptr idx mem)
 10029  	for {
 10030  		ptr := v_0
 10031  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 10032  			break
 10033  		}
 10034  		idx := v_1.Args[0]
 10035  		mem := v_2
 10036  		v.reset(OpARM64MOVHUloadidx2)
 10037  		v.AddArg3(ptr, idx, mem)
 10038  		return true
 10039  	}
 10040  	// match: (MOVHUloadidx ptr (ADD idx idx) mem)
 10041  	// result: (MOVHUloadidx2 ptr idx mem)
 10042  	for {
 10043  		ptr := v_0
 10044  		if v_1.Op != OpARM64ADD {
 10045  			break
 10046  		}
 10047  		idx := v_1.Args[1]
 10048  		if idx != v_1.Args[0] {
 10049  			break
 10050  		}
 10051  		mem := v_2
 10052  		v.reset(OpARM64MOVHUloadidx2)
 10053  		v.AddArg3(ptr, idx, mem)
 10054  		return true
 10055  	}
 10056  	// match: (MOVHUloadidx (ADD idx idx) ptr mem)
 10057  	// result: (MOVHUloadidx2 ptr idx mem)
 10058  	for {
 10059  		if v_0.Op != OpARM64ADD {
 10060  			break
 10061  		}
 10062  		idx := v_0.Args[1]
 10063  		if idx != v_0.Args[0] {
 10064  			break
 10065  		}
 10066  		ptr := v_1
 10067  		mem := v_2
 10068  		v.reset(OpARM64MOVHUloadidx2)
 10069  		v.AddArg3(ptr, idx, mem)
 10070  		return true
 10071  	}
 10072  	// match: (MOVHUloadidx ptr idx (MOVHstorezeroidx ptr2 idx2 _))
 10073  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
 10074  	// result: (MOVDconst [0])
 10075  	for {
 10076  		ptr := v_0
 10077  		idx := v_1
 10078  		if v_2.Op != OpARM64MOVHstorezeroidx {
 10079  			break
 10080  		}
 10081  		idx2 := v_2.Args[1]
 10082  		ptr2 := v_2.Args[0]
 10083  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
 10084  			break
 10085  		}
 10086  		v.reset(OpARM64MOVDconst)
 10087  		v.AuxInt = int64ToAuxInt(0)
 10088  		return true
 10089  	}
 10090  	return false
 10091  }
 10092  func rewriteValueARM64_OpARM64MOVHUloadidx2(v *Value) bool {
 10093  	v_2 := v.Args[2]
 10094  	v_1 := v.Args[1]
 10095  	v_0 := v.Args[0]
 10096  	// match: (MOVHUloadidx2 ptr (MOVDconst [c]) mem)
 10097  	// cond: is32Bit(c<<1)
 10098  	// result: (MOVHUload [int32(c)<<1] ptr mem)
 10099  	for {
 10100  		ptr := v_0
 10101  		if v_1.Op != OpARM64MOVDconst {
 10102  			break
 10103  		}
 10104  		c := auxIntToInt64(v_1.AuxInt)
 10105  		mem := v_2
 10106  		if !(is32Bit(c << 1)) {
 10107  			break
 10108  		}
 10109  		v.reset(OpARM64MOVHUload)
 10110  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 10111  		v.AddArg2(ptr, mem)
 10112  		return true
 10113  	}
 10114  	// match: (MOVHUloadidx2 ptr idx (MOVHstorezeroidx2 ptr2 idx2 _))
 10115  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
 10116  	// result: (MOVDconst [0])
 10117  	for {
 10118  		ptr := v_0
 10119  		idx := v_1
 10120  		if v_2.Op != OpARM64MOVHstorezeroidx2 {
 10121  			break
 10122  		}
 10123  		idx2 := v_2.Args[1]
 10124  		ptr2 := v_2.Args[0]
 10125  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
 10126  			break
 10127  		}
 10128  		v.reset(OpARM64MOVDconst)
 10129  		v.AuxInt = int64ToAuxInt(0)
 10130  		return true
 10131  	}
 10132  	return false
 10133  }
 10134  func rewriteValueARM64_OpARM64MOVHUreg(v *Value) bool {
 10135  	v_0 := v.Args[0]
 10136  	// match: (MOVHUreg (ANDconst [c] x))
 10137  	// result: (ANDconst [c&(1<<16-1)] x)
 10138  	for {
 10139  		if v_0.Op != OpARM64ANDconst {
 10140  			break
 10141  		}
 10142  		c := auxIntToInt64(v_0.AuxInt)
 10143  		x := v_0.Args[0]
 10144  		v.reset(OpARM64ANDconst)
 10145  		v.AuxInt = int64ToAuxInt(c & (1<<16 - 1))
 10146  		v.AddArg(x)
 10147  		return true
 10148  	}
 10149  	// match: (MOVHUreg (MOVDconst [c]))
 10150  	// result: (MOVDconst [int64(uint16(c))])
 10151  	for {
 10152  		if v_0.Op != OpARM64MOVDconst {
 10153  			break
 10154  		}
 10155  		c := auxIntToInt64(v_0.AuxInt)
 10156  		v.reset(OpARM64MOVDconst)
 10157  		v.AuxInt = int64ToAuxInt(int64(uint16(c)))
 10158  		return true
 10159  	}
 10160  	// match: (MOVHUreg x)
 10161  	// cond: v.Type.Size() <= 2
 10162  	// result: x
 10163  	for {
 10164  		x := v_0
 10165  		if !(v.Type.Size() <= 2) {
 10166  			break
 10167  		}
 10168  		v.copyOf(x)
 10169  		return true
 10170  	}
 10171  	// match: (MOVHUreg (SLLconst [lc] x))
 10172  	// cond: lc >= 16
 10173  	// result: (MOVDconst [0])
 10174  	for {
 10175  		if v_0.Op != OpARM64SLLconst {
 10176  			break
 10177  		}
 10178  		lc := auxIntToInt64(v_0.AuxInt)
 10179  		if !(lc >= 16) {
 10180  			break
 10181  		}
 10182  		v.reset(OpARM64MOVDconst)
 10183  		v.AuxInt = int64ToAuxInt(0)
 10184  		return true
 10185  	}
 10186  	// match: (MOVHUreg (SLLconst [lc] x))
 10187  	// cond: lc < 16
 10188  	// result: (UBFIZ [armBFAuxInt(lc, 16-lc)] x)
 10189  	for {
 10190  		if v_0.Op != OpARM64SLLconst {
 10191  			break
 10192  		}
 10193  		lc := auxIntToInt64(v_0.AuxInt)
 10194  		x := v_0.Args[0]
 10195  		if !(lc < 16) {
 10196  			break
 10197  		}
 10198  		v.reset(OpARM64UBFIZ)
 10199  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 16-lc))
 10200  		v.AddArg(x)
 10201  		return true
 10202  	}
 10203  	// match: (MOVHUreg (SRLconst [rc] x))
 10204  	// cond: rc < 16
 10205  	// result: (UBFX [armBFAuxInt(rc, 16)] x)
 10206  	for {
 10207  		if v_0.Op != OpARM64SRLconst {
 10208  			break
 10209  		}
 10210  		rc := auxIntToInt64(v_0.AuxInt)
 10211  		x := v_0.Args[0]
 10212  		if !(rc < 16) {
 10213  			break
 10214  		}
 10215  		v.reset(OpARM64UBFX)
 10216  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16))
 10217  		v.AddArg(x)
 10218  		return true
 10219  	}
 10220  	// match: (MOVHUreg (UBFX [bfc] x))
 10221  	// cond: bfc.getARM64BFwidth() <= 16
 10222  	// result: (UBFX [bfc] x)
 10223  	for {
 10224  		if v_0.Op != OpARM64UBFX {
 10225  			break
 10226  		}
 10227  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 10228  		x := v_0.Args[0]
 10229  		if !(bfc.getARM64BFwidth() <= 16) {
 10230  			break
 10231  		}
 10232  		v.reset(OpARM64UBFX)
 10233  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 10234  		v.AddArg(x)
 10235  		return true
 10236  	}
 10237  	return false
 10238  }
 10239  func rewriteValueARM64_OpARM64MOVHload(v *Value) bool {
 10240  	v_1 := v.Args[1]
 10241  	v_0 := v.Args[0]
 10242  	b := v.Block
 10243  	config := b.Func.Config
 10244  	// match: (MOVHload [off1] {sym} (ADDconst [off2] ptr) mem)
 10245  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10246  	// result: (MOVHload [off1+int32(off2)] {sym} ptr mem)
 10247  	for {
 10248  		off1 := auxIntToInt32(v.AuxInt)
 10249  		sym := auxToSym(v.Aux)
 10250  		if v_0.Op != OpARM64ADDconst {
 10251  			break
 10252  		}
 10253  		off2 := auxIntToInt64(v_0.AuxInt)
 10254  		ptr := v_0.Args[0]
 10255  		mem := v_1
 10256  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10257  			break
 10258  		}
 10259  		v.reset(OpARM64MOVHload)
 10260  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10261  		v.Aux = symToAux(sym)
 10262  		v.AddArg2(ptr, mem)
 10263  		return true
 10264  	}
 10265  	// match: (MOVHload [off] {sym} (ADD ptr idx) mem)
 10266  	// cond: off == 0 && sym == nil
 10267  	// result: (MOVHloadidx ptr idx mem)
 10268  	for {
 10269  		off := auxIntToInt32(v.AuxInt)
 10270  		sym := auxToSym(v.Aux)
 10271  		if v_0.Op != OpARM64ADD {
 10272  			break
 10273  		}
 10274  		idx := v_0.Args[1]
 10275  		ptr := v_0.Args[0]
 10276  		mem := v_1
 10277  		if !(off == 0 && sym == nil) {
 10278  			break
 10279  		}
 10280  		v.reset(OpARM64MOVHloadidx)
 10281  		v.AddArg3(ptr, idx, mem)
 10282  		return true
 10283  	}
 10284  	// match: (MOVHload [off] {sym} (ADDshiftLL [1] ptr idx) mem)
 10285  	// cond: off == 0 && sym == nil
 10286  	// result: (MOVHloadidx2 ptr idx mem)
 10287  	for {
 10288  		off := auxIntToInt32(v.AuxInt)
 10289  		sym := auxToSym(v.Aux)
 10290  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 10291  			break
 10292  		}
 10293  		idx := v_0.Args[1]
 10294  		ptr := v_0.Args[0]
 10295  		mem := v_1
 10296  		if !(off == 0 && sym == nil) {
 10297  			break
 10298  		}
 10299  		v.reset(OpARM64MOVHloadidx2)
 10300  		v.AddArg3(ptr, idx, mem)
 10301  		return true
 10302  	}
 10303  	// match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 10304  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10305  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 10306  	for {
 10307  		off1 := auxIntToInt32(v.AuxInt)
 10308  		sym1 := auxToSym(v.Aux)
 10309  		if v_0.Op != OpARM64MOVDaddr {
 10310  			break
 10311  		}
 10312  		off2 := auxIntToInt32(v_0.AuxInt)
 10313  		sym2 := auxToSym(v_0.Aux)
 10314  		ptr := v_0.Args[0]
 10315  		mem := v_1
 10316  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10317  			break
 10318  		}
 10319  		v.reset(OpARM64MOVHload)
 10320  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10321  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10322  		v.AddArg2(ptr, mem)
 10323  		return true
 10324  	}
 10325  	// match: (MOVHload [off] {sym} ptr (MOVHstorezero [off2] {sym2} ptr2 _))
 10326  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 10327  	// result: (MOVDconst [0])
 10328  	for {
 10329  		off := auxIntToInt32(v.AuxInt)
 10330  		sym := auxToSym(v.Aux)
 10331  		ptr := v_0
 10332  		if v_1.Op != OpARM64MOVHstorezero {
 10333  			break
 10334  		}
 10335  		off2 := auxIntToInt32(v_1.AuxInt)
 10336  		sym2 := auxToSym(v_1.Aux)
 10337  		ptr2 := v_1.Args[0]
 10338  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 10339  			break
 10340  		}
 10341  		v.reset(OpARM64MOVDconst)
 10342  		v.AuxInt = int64ToAuxInt(0)
 10343  		return true
 10344  	}
 10345  	return false
 10346  }
 10347  func rewriteValueARM64_OpARM64MOVHloadidx(v *Value) bool {
 10348  	v_2 := v.Args[2]
 10349  	v_1 := v.Args[1]
 10350  	v_0 := v.Args[0]
 10351  	// match: (MOVHloadidx ptr (MOVDconst [c]) mem)
 10352  	// cond: is32Bit(c)
 10353  	// result: (MOVHload [int32(c)] ptr mem)
 10354  	for {
 10355  		ptr := v_0
 10356  		if v_1.Op != OpARM64MOVDconst {
 10357  			break
 10358  		}
 10359  		c := auxIntToInt64(v_1.AuxInt)
 10360  		mem := v_2
 10361  		if !(is32Bit(c)) {
 10362  			break
 10363  		}
 10364  		v.reset(OpARM64MOVHload)
 10365  		v.AuxInt = int32ToAuxInt(int32(c))
 10366  		v.AddArg2(ptr, mem)
 10367  		return true
 10368  	}
 10369  	// match: (MOVHloadidx (MOVDconst [c]) ptr mem)
 10370  	// cond: is32Bit(c)
 10371  	// result: (MOVHload [int32(c)] ptr mem)
 10372  	for {
 10373  		if v_0.Op != OpARM64MOVDconst {
 10374  			break
 10375  		}
 10376  		c := auxIntToInt64(v_0.AuxInt)
 10377  		ptr := v_1
 10378  		mem := v_2
 10379  		if !(is32Bit(c)) {
 10380  			break
 10381  		}
 10382  		v.reset(OpARM64MOVHload)
 10383  		v.AuxInt = int32ToAuxInt(int32(c))
 10384  		v.AddArg2(ptr, mem)
 10385  		return true
 10386  	}
 10387  	// match: (MOVHloadidx ptr (SLLconst [1] idx) mem)
 10388  	// result: (MOVHloadidx2 ptr idx mem)
 10389  	for {
 10390  		ptr := v_0
 10391  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 10392  			break
 10393  		}
 10394  		idx := v_1.Args[0]
 10395  		mem := v_2
 10396  		v.reset(OpARM64MOVHloadidx2)
 10397  		v.AddArg3(ptr, idx, mem)
 10398  		return true
 10399  	}
 10400  	// match: (MOVHloadidx ptr (ADD idx idx) mem)
 10401  	// result: (MOVHloadidx2 ptr idx mem)
 10402  	for {
 10403  		ptr := v_0
 10404  		if v_1.Op != OpARM64ADD {
 10405  			break
 10406  		}
 10407  		idx := v_1.Args[1]
 10408  		if idx != v_1.Args[0] {
 10409  			break
 10410  		}
 10411  		mem := v_2
 10412  		v.reset(OpARM64MOVHloadidx2)
 10413  		v.AddArg3(ptr, idx, mem)
 10414  		return true
 10415  	}
 10416  	// match: (MOVHloadidx (ADD idx idx) ptr mem)
 10417  	// result: (MOVHloadidx2 ptr idx mem)
 10418  	for {
 10419  		if v_0.Op != OpARM64ADD {
 10420  			break
 10421  		}
 10422  		idx := v_0.Args[1]
 10423  		if idx != v_0.Args[0] {
 10424  			break
 10425  		}
 10426  		ptr := v_1
 10427  		mem := v_2
 10428  		v.reset(OpARM64MOVHloadidx2)
 10429  		v.AddArg3(ptr, idx, mem)
 10430  		return true
 10431  	}
 10432  	// match: (MOVHloadidx ptr idx (MOVHstorezeroidx ptr2 idx2 _))
 10433  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
 10434  	// result: (MOVDconst [0])
 10435  	for {
 10436  		ptr := v_0
 10437  		idx := v_1
 10438  		if v_2.Op != OpARM64MOVHstorezeroidx {
 10439  			break
 10440  		}
 10441  		idx2 := v_2.Args[1]
 10442  		ptr2 := v_2.Args[0]
 10443  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
 10444  			break
 10445  		}
 10446  		v.reset(OpARM64MOVDconst)
 10447  		v.AuxInt = int64ToAuxInt(0)
 10448  		return true
 10449  	}
 10450  	return false
 10451  }
 10452  func rewriteValueARM64_OpARM64MOVHloadidx2(v *Value) bool {
 10453  	v_2 := v.Args[2]
 10454  	v_1 := v.Args[1]
 10455  	v_0 := v.Args[0]
 10456  	// match: (MOVHloadidx2 ptr (MOVDconst [c]) mem)
 10457  	// cond: is32Bit(c<<1)
 10458  	// result: (MOVHload [int32(c)<<1] ptr mem)
 10459  	for {
 10460  		ptr := v_0
 10461  		if v_1.Op != OpARM64MOVDconst {
 10462  			break
 10463  		}
 10464  		c := auxIntToInt64(v_1.AuxInt)
 10465  		mem := v_2
 10466  		if !(is32Bit(c << 1)) {
 10467  			break
 10468  		}
 10469  		v.reset(OpARM64MOVHload)
 10470  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 10471  		v.AddArg2(ptr, mem)
 10472  		return true
 10473  	}
 10474  	// match: (MOVHloadidx2 ptr idx (MOVHstorezeroidx2 ptr2 idx2 _))
 10475  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
 10476  	// result: (MOVDconst [0])
 10477  	for {
 10478  		ptr := v_0
 10479  		idx := v_1
 10480  		if v_2.Op != OpARM64MOVHstorezeroidx2 {
 10481  			break
 10482  		}
 10483  		idx2 := v_2.Args[1]
 10484  		ptr2 := v_2.Args[0]
 10485  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
 10486  			break
 10487  		}
 10488  		v.reset(OpARM64MOVDconst)
 10489  		v.AuxInt = int64ToAuxInt(0)
 10490  		return true
 10491  	}
 10492  	return false
 10493  }
 10494  func rewriteValueARM64_OpARM64MOVHreg(v *Value) bool {
 10495  	v_0 := v.Args[0]
 10496  	// match: (MOVHreg (MOVDconst [c]))
 10497  	// result: (MOVDconst [int64(int16(c))])
 10498  	for {
 10499  		if v_0.Op != OpARM64MOVDconst {
 10500  			break
 10501  		}
 10502  		c := auxIntToInt64(v_0.AuxInt)
 10503  		v.reset(OpARM64MOVDconst)
 10504  		v.AuxInt = int64ToAuxInt(int64(int16(c)))
 10505  		return true
 10506  	}
 10507  	// match: (MOVHreg x)
 10508  	// cond: v.Type.Size() <= 2
 10509  	// result: x
 10510  	for {
 10511  		x := v_0
 10512  		if !(v.Type.Size() <= 2) {
 10513  			break
 10514  		}
 10515  		v.copyOf(x)
 10516  		return true
 10517  	}
 10518  	// match: (MOVHreg <t> (ANDconst x [c]))
 10519  	// cond: uint64(c) & uint64(0xffffffffffff8000) == 0
 10520  	// result: (ANDconst <t> x [c])
 10521  	for {
 10522  		t := v.Type
 10523  		if v_0.Op != OpARM64ANDconst {
 10524  			break
 10525  		}
 10526  		c := auxIntToInt64(v_0.AuxInt)
 10527  		x := v_0.Args[0]
 10528  		if !(uint64(c)&uint64(0xffffffffffff8000) == 0) {
 10529  			break
 10530  		}
 10531  		v.reset(OpARM64ANDconst)
 10532  		v.Type = t
 10533  		v.AuxInt = int64ToAuxInt(c)
 10534  		v.AddArg(x)
 10535  		return true
 10536  	}
 10537  	// match: (MOVHreg (SLLconst [lc] x))
 10538  	// cond: lc < 16
 10539  	// result: (SBFIZ [armBFAuxInt(lc, 16-lc)] x)
 10540  	for {
 10541  		if v_0.Op != OpARM64SLLconst {
 10542  			break
 10543  		}
 10544  		lc := auxIntToInt64(v_0.AuxInt)
 10545  		x := v_0.Args[0]
 10546  		if !(lc < 16) {
 10547  			break
 10548  		}
 10549  		v.reset(OpARM64SBFIZ)
 10550  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 16-lc))
 10551  		v.AddArg(x)
 10552  		return true
 10553  	}
 10554  	// match: (MOVHreg (SBFX [bfc] x))
 10555  	// cond: bfc.getARM64BFwidth() <= 16
 10556  	// result: (SBFX [bfc] x)
 10557  	for {
 10558  		if v_0.Op != OpARM64SBFX {
 10559  			break
 10560  		}
 10561  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 10562  		x := v_0.Args[0]
 10563  		if !(bfc.getARM64BFwidth() <= 16) {
 10564  			break
 10565  		}
 10566  		v.reset(OpARM64SBFX)
 10567  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 10568  		v.AddArg(x)
 10569  		return true
 10570  	}
 10571  	return false
 10572  }
 10573  func rewriteValueARM64_OpARM64MOVHstore(v *Value) bool {
 10574  	v_2 := v.Args[2]
 10575  	v_1 := v.Args[1]
 10576  	v_0 := v.Args[0]
 10577  	b := v.Block
 10578  	config := b.Func.Config
 10579  	// match: (MOVHstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 10580  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10581  	// result: (MOVHstore [off1+int32(off2)] {sym} ptr val mem)
 10582  	for {
 10583  		off1 := auxIntToInt32(v.AuxInt)
 10584  		sym := auxToSym(v.Aux)
 10585  		if v_0.Op != OpARM64ADDconst {
 10586  			break
 10587  		}
 10588  		off2 := auxIntToInt64(v_0.AuxInt)
 10589  		ptr := v_0.Args[0]
 10590  		val := v_1
 10591  		mem := v_2
 10592  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10593  			break
 10594  		}
 10595  		v.reset(OpARM64MOVHstore)
 10596  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10597  		v.Aux = symToAux(sym)
 10598  		v.AddArg3(ptr, val, mem)
 10599  		return true
 10600  	}
 10601  	// match: (MOVHstore [off] {sym} (ADD ptr idx) val mem)
 10602  	// cond: off == 0 && sym == nil
 10603  	// result: (MOVHstoreidx ptr idx val mem)
 10604  	for {
 10605  		off := auxIntToInt32(v.AuxInt)
 10606  		sym := auxToSym(v.Aux)
 10607  		if v_0.Op != OpARM64ADD {
 10608  			break
 10609  		}
 10610  		idx := v_0.Args[1]
 10611  		ptr := v_0.Args[0]
 10612  		val := v_1
 10613  		mem := v_2
 10614  		if !(off == 0 && sym == nil) {
 10615  			break
 10616  		}
 10617  		v.reset(OpARM64MOVHstoreidx)
 10618  		v.AddArg4(ptr, idx, val, mem)
 10619  		return true
 10620  	}
 10621  	// match: (MOVHstore [off] {sym} (ADDshiftLL [1] ptr idx) val mem)
 10622  	// cond: off == 0 && sym == nil
 10623  	// result: (MOVHstoreidx2 ptr idx val mem)
 10624  	for {
 10625  		off := auxIntToInt32(v.AuxInt)
 10626  		sym := auxToSym(v.Aux)
 10627  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 10628  			break
 10629  		}
 10630  		idx := v_0.Args[1]
 10631  		ptr := v_0.Args[0]
 10632  		val := v_1
 10633  		mem := v_2
 10634  		if !(off == 0 && sym == nil) {
 10635  			break
 10636  		}
 10637  		v.reset(OpARM64MOVHstoreidx2)
 10638  		v.AddArg4(ptr, idx, val, mem)
 10639  		return true
 10640  	}
 10641  	// match: (MOVHstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 10642  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10643  	// result: (MOVHstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 10644  	for {
 10645  		off1 := auxIntToInt32(v.AuxInt)
 10646  		sym1 := auxToSym(v.Aux)
 10647  		if v_0.Op != OpARM64MOVDaddr {
 10648  			break
 10649  		}
 10650  		off2 := auxIntToInt32(v_0.AuxInt)
 10651  		sym2 := auxToSym(v_0.Aux)
 10652  		ptr := v_0.Args[0]
 10653  		val := v_1
 10654  		mem := v_2
 10655  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10656  			break
 10657  		}
 10658  		v.reset(OpARM64MOVHstore)
 10659  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10660  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10661  		v.AddArg3(ptr, val, mem)
 10662  		return true
 10663  	}
 10664  	// match: (MOVHstore [off] {sym} ptr (MOVDconst [0]) mem)
 10665  	// result: (MOVHstorezero [off] {sym} ptr mem)
 10666  	for {
 10667  		off := auxIntToInt32(v.AuxInt)
 10668  		sym := auxToSym(v.Aux)
 10669  		ptr := v_0
 10670  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 10671  			break
 10672  		}
 10673  		mem := v_2
 10674  		v.reset(OpARM64MOVHstorezero)
 10675  		v.AuxInt = int32ToAuxInt(off)
 10676  		v.Aux = symToAux(sym)
 10677  		v.AddArg2(ptr, mem)
 10678  		return true
 10679  	}
 10680  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
 10681  	// result: (MOVHstore [off] {sym} ptr x mem)
 10682  	for {
 10683  		off := auxIntToInt32(v.AuxInt)
 10684  		sym := auxToSym(v.Aux)
 10685  		ptr := v_0
 10686  		if v_1.Op != OpARM64MOVHreg {
 10687  			break
 10688  		}
 10689  		x := v_1.Args[0]
 10690  		mem := v_2
 10691  		v.reset(OpARM64MOVHstore)
 10692  		v.AuxInt = int32ToAuxInt(off)
 10693  		v.Aux = symToAux(sym)
 10694  		v.AddArg3(ptr, x, mem)
 10695  		return true
 10696  	}
 10697  	// match: (MOVHstore [off] {sym} ptr (MOVHUreg x) mem)
 10698  	// result: (MOVHstore [off] {sym} ptr x mem)
 10699  	for {
 10700  		off := auxIntToInt32(v.AuxInt)
 10701  		sym := auxToSym(v.Aux)
 10702  		ptr := v_0
 10703  		if v_1.Op != OpARM64MOVHUreg {
 10704  			break
 10705  		}
 10706  		x := v_1.Args[0]
 10707  		mem := v_2
 10708  		v.reset(OpARM64MOVHstore)
 10709  		v.AuxInt = int32ToAuxInt(off)
 10710  		v.Aux = symToAux(sym)
 10711  		v.AddArg3(ptr, x, mem)
 10712  		return true
 10713  	}
 10714  	// match: (MOVHstore [off] {sym} ptr (MOVWreg x) mem)
 10715  	// result: (MOVHstore [off] {sym} ptr x mem)
 10716  	for {
 10717  		off := auxIntToInt32(v.AuxInt)
 10718  		sym := auxToSym(v.Aux)
 10719  		ptr := v_0
 10720  		if v_1.Op != OpARM64MOVWreg {
 10721  			break
 10722  		}
 10723  		x := v_1.Args[0]
 10724  		mem := v_2
 10725  		v.reset(OpARM64MOVHstore)
 10726  		v.AuxInt = int32ToAuxInt(off)
 10727  		v.Aux = symToAux(sym)
 10728  		v.AddArg3(ptr, x, mem)
 10729  		return true
 10730  	}
 10731  	// match: (MOVHstore [off] {sym} ptr (MOVWUreg x) mem)
 10732  	// result: (MOVHstore [off] {sym} ptr x mem)
 10733  	for {
 10734  		off := auxIntToInt32(v.AuxInt)
 10735  		sym := auxToSym(v.Aux)
 10736  		ptr := v_0
 10737  		if v_1.Op != OpARM64MOVWUreg {
 10738  			break
 10739  		}
 10740  		x := v_1.Args[0]
 10741  		mem := v_2
 10742  		v.reset(OpARM64MOVHstore)
 10743  		v.AuxInt = int32ToAuxInt(off)
 10744  		v.Aux = symToAux(sym)
 10745  		v.AddArg3(ptr, x, mem)
 10746  		return true
 10747  	}
 10748  	return false
 10749  }
 10750  func rewriteValueARM64_OpARM64MOVHstoreidx(v *Value) bool {
 10751  	v_3 := v.Args[3]
 10752  	v_2 := v.Args[2]
 10753  	v_1 := v.Args[1]
 10754  	v_0 := v.Args[0]
 10755  	// match: (MOVHstoreidx ptr (MOVDconst [c]) val mem)
 10756  	// cond: is32Bit(c)
 10757  	// result: (MOVHstore [int32(c)] ptr val mem)
 10758  	for {
 10759  		ptr := v_0
 10760  		if v_1.Op != OpARM64MOVDconst {
 10761  			break
 10762  		}
 10763  		c := auxIntToInt64(v_1.AuxInt)
 10764  		val := v_2
 10765  		mem := v_3
 10766  		if !(is32Bit(c)) {
 10767  			break
 10768  		}
 10769  		v.reset(OpARM64MOVHstore)
 10770  		v.AuxInt = int32ToAuxInt(int32(c))
 10771  		v.AddArg3(ptr, val, mem)
 10772  		return true
 10773  	}
 10774  	// match: (MOVHstoreidx (MOVDconst [c]) idx val mem)
 10775  	// cond: is32Bit(c)
 10776  	// result: (MOVHstore [int32(c)] idx val mem)
 10777  	for {
 10778  		if v_0.Op != OpARM64MOVDconst {
 10779  			break
 10780  		}
 10781  		c := auxIntToInt64(v_0.AuxInt)
 10782  		idx := v_1
 10783  		val := v_2
 10784  		mem := v_3
 10785  		if !(is32Bit(c)) {
 10786  			break
 10787  		}
 10788  		v.reset(OpARM64MOVHstore)
 10789  		v.AuxInt = int32ToAuxInt(int32(c))
 10790  		v.AddArg3(idx, val, mem)
 10791  		return true
 10792  	}
 10793  	// match: (MOVHstoreidx ptr (SLLconst [1] idx) val mem)
 10794  	// result: (MOVHstoreidx2 ptr idx val mem)
 10795  	for {
 10796  		ptr := v_0
 10797  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 10798  			break
 10799  		}
 10800  		idx := v_1.Args[0]
 10801  		val := v_2
 10802  		mem := v_3
 10803  		v.reset(OpARM64MOVHstoreidx2)
 10804  		v.AddArg4(ptr, idx, val, mem)
 10805  		return true
 10806  	}
 10807  	// match: (MOVHstoreidx ptr (ADD idx idx) val mem)
 10808  	// result: (MOVHstoreidx2 ptr idx val mem)
 10809  	for {
 10810  		ptr := v_0
 10811  		if v_1.Op != OpARM64ADD {
 10812  			break
 10813  		}
 10814  		idx := v_1.Args[1]
 10815  		if idx != v_1.Args[0] {
 10816  			break
 10817  		}
 10818  		val := v_2
 10819  		mem := v_3
 10820  		v.reset(OpARM64MOVHstoreidx2)
 10821  		v.AddArg4(ptr, idx, val, mem)
 10822  		return true
 10823  	}
 10824  	// match: (MOVHstoreidx (SLLconst [1] idx) ptr val mem)
 10825  	// result: (MOVHstoreidx2 ptr idx val mem)
 10826  	for {
 10827  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 1 {
 10828  			break
 10829  		}
 10830  		idx := v_0.Args[0]
 10831  		ptr := v_1
 10832  		val := v_2
 10833  		mem := v_3
 10834  		v.reset(OpARM64MOVHstoreidx2)
 10835  		v.AddArg4(ptr, idx, val, mem)
 10836  		return true
 10837  	}
 10838  	// match: (MOVHstoreidx (ADD idx idx) ptr val mem)
 10839  	// result: (MOVHstoreidx2 ptr idx val mem)
 10840  	for {
 10841  		if v_0.Op != OpARM64ADD {
 10842  			break
 10843  		}
 10844  		idx := v_0.Args[1]
 10845  		if idx != v_0.Args[0] {
 10846  			break
 10847  		}
 10848  		ptr := v_1
 10849  		val := v_2
 10850  		mem := v_3
 10851  		v.reset(OpARM64MOVHstoreidx2)
 10852  		v.AddArg4(ptr, idx, val, mem)
 10853  		return true
 10854  	}
 10855  	// match: (MOVHstoreidx ptr idx (MOVDconst [0]) mem)
 10856  	// result: (MOVHstorezeroidx ptr idx mem)
 10857  	for {
 10858  		ptr := v_0
 10859  		idx := v_1
 10860  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 10861  			break
 10862  		}
 10863  		mem := v_3
 10864  		v.reset(OpARM64MOVHstorezeroidx)
 10865  		v.AddArg3(ptr, idx, mem)
 10866  		return true
 10867  	}
 10868  	// match: (MOVHstoreidx ptr idx (MOVHreg x) mem)
 10869  	// result: (MOVHstoreidx ptr idx x mem)
 10870  	for {
 10871  		ptr := v_0
 10872  		idx := v_1
 10873  		if v_2.Op != OpARM64MOVHreg {
 10874  			break
 10875  		}
 10876  		x := v_2.Args[0]
 10877  		mem := v_3
 10878  		v.reset(OpARM64MOVHstoreidx)
 10879  		v.AddArg4(ptr, idx, x, mem)
 10880  		return true
 10881  	}
 10882  	// match: (MOVHstoreidx ptr idx (MOVHUreg x) mem)
 10883  	// result: (MOVHstoreidx ptr idx x mem)
 10884  	for {
 10885  		ptr := v_0
 10886  		idx := v_1
 10887  		if v_2.Op != OpARM64MOVHUreg {
 10888  			break
 10889  		}
 10890  		x := v_2.Args[0]
 10891  		mem := v_3
 10892  		v.reset(OpARM64MOVHstoreidx)
 10893  		v.AddArg4(ptr, idx, x, mem)
 10894  		return true
 10895  	}
 10896  	// match: (MOVHstoreidx ptr idx (MOVWreg x) mem)
 10897  	// result: (MOVHstoreidx ptr idx x mem)
 10898  	for {
 10899  		ptr := v_0
 10900  		idx := v_1
 10901  		if v_2.Op != OpARM64MOVWreg {
 10902  			break
 10903  		}
 10904  		x := v_2.Args[0]
 10905  		mem := v_3
 10906  		v.reset(OpARM64MOVHstoreidx)
 10907  		v.AddArg4(ptr, idx, x, mem)
 10908  		return true
 10909  	}
 10910  	// match: (MOVHstoreidx ptr idx (MOVWUreg x) mem)
 10911  	// result: (MOVHstoreidx ptr idx x mem)
 10912  	for {
 10913  		ptr := v_0
 10914  		idx := v_1
 10915  		if v_2.Op != OpARM64MOVWUreg {
 10916  			break
 10917  		}
 10918  		x := v_2.Args[0]
 10919  		mem := v_3
 10920  		v.reset(OpARM64MOVHstoreidx)
 10921  		v.AddArg4(ptr, idx, x, mem)
 10922  		return true
 10923  	}
 10924  	return false
 10925  }
 10926  func rewriteValueARM64_OpARM64MOVHstoreidx2(v *Value) bool {
 10927  	v_3 := v.Args[3]
 10928  	v_2 := v.Args[2]
 10929  	v_1 := v.Args[1]
 10930  	v_0 := v.Args[0]
 10931  	// match: (MOVHstoreidx2 ptr (MOVDconst [c]) val mem)
 10932  	// cond: is32Bit(c<<1)
 10933  	// result: (MOVHstore [int32(c)<<1] ptr val mem)
 10934  	for {
 10935  		ptr := v_0
 10936  		if v_1.Op != OpARM64MOVDconst {
 10937  			break
 10938  		}
 10939  		c := auxIntToInt64(v_1.AuxInt)
 10940  		val := v_2
 10941  		mem := v_3
 10942  		if !(is32Bit(c << 1)) {
 10943  			break
 10944  		}
 10945  		v.reset(OpARM64MOVHstore)
 10946  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 10947  		v.AddArg3(ptr, val, mem)
 10948  		return true
 10949  	}
 10950  	// match: (MOVHstoreidx2 ptr idx (MOVDconst [0]) mem)
 10951  	// result: (MOVHstorezeroidx2 ptr idx mem)
 10952  	for {
 10953  		ptr := v_0
 10954  		idx := v_1
 10955  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 10956  			break
 10957  		}
 10958  		mem := v_3
 10959  		v.reset(OpARM64MOVHstorezeroidx2)
 10960  		v.AddArg3(ptr, idx, mem)
 10961  		return true
 10962  	}
 10963  	// match: (MOVHstoreidx2 ptr idx (MOVHreg x) mem)
 10964  	// result: (MOVHstoreidx2 ptr idx x mem)
 10965  	for {
 10966  		ptr := v_0
 10967  		idx := v_1
 10968  		if v_2.Op != OpARM64MOVHreg {
 10969  			break
 10970  		}
 10971  		x := v_2.Args[0]
 10972  		mem := v_3
 10973  		v.reset(OpARM64MOVHstoreidx2)
 10974  		v.AddArg4(ptr, idx, x, mem)
 10975  		return true
 10976  	}
 10977  	// match: (MOVHstoreidx2 ptr idx (MOVHUreg x) mem)
 10978  	// result: (MOVHstoreidx2 ptr idx x mem)
 10979  	for {
 10980  		ptr := v_0
 10981  		idx := v_1
 10982  		if v_2.Op != OpARM64MOVHUreg {
 10983  			break
 10984  		}
 10985  		x := v_2.Args[0]
 10986  		mem := v_3
 10987  		v.reset(OpARM64MOVHstoreidx2)
 10988  		v.AddArg4(ptr, idx, x, mem)
 10989  		return true
 10990  	}
 10991  	// match: (MOVHstoreidx2 ptr idx (MOVWreg x) mem)
 10992  	// result: (MOVHstoreidx2 ptr idx x mem)
 10993  	for {
 10994  		ptr := v_0
 10995  		idx := v_1
 10996  		if v_2.Op != OpARM64MOVWreg {
 10997  			break
 10998  		}
 10999  		x := v_2.Args[0]
 11000  		mem := v_3
 11001  		v.reset(OpARM64MOVHstoreidx2)
 11002  		v.AddArg4(ptr, idx, x, mem)
 11003  		return true
 11004  	}
 11005  	// match: (MOVHstoreidx2 ptr idx (MOVWUreg x) mem)
 11006  	// result: (MOVHstoreidx2 ptr idx x mem)
 11007  	for {
 11008  		ptr := v_0
 11009  		idx := v_1
 11010  		if v_2.Op != OpARM64MOVWUreg {
 11011  			break
 11012  		}
 11013  		x := v_2.Args[0]
 11014  		mem := v_3
 11015  		v.reset(OpARM64MOVHstoreidx2)
 11016  		v.AddArg4(ptr, idx, x, mem)
 11017  		return true
 11018  	}
 11019  	return false
 11020  }
 11021  func rewriteValueARM64_OpARM64MOVHstorezero(v *Value) bool {
 11022  	v_1 := v.Args[1]
 11023  	v_0 := v.Args[0]
 11024  	b := v.Block
 11025  	config := b.Func.Config
 11026  	// match: (MOVHstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
 11027  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11028  	// result: (MOVHstorezero [off1+int32(off2)] {sym} ptr mem)
 11029  	for {
 11030  		off1 := auxIntToInt32(v.AuxInt)
 11031  		sym := auxToSym(v.Aux)
 11032  		if v_0.Op != OpARM64ADDconst {
 11033  			break
 11034  		}
 11035  		off2 := auxIntToInt64(v_0.AuxInt)
 11036  		ptr := v_0.Args[0]
 11037  		mem := v_1
 11038  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11039  			break
 11040  		}
 11041  		v.reset(OpARM64MOVHstorezero)
 11042  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11043  		v.Aux = symToAux(sym)
 11044  		v.AddArg2(ptr, mem)
 11045  		return true
 11046  	}
 11047  	// match: (MOVHstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11048  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11049  	// result: (MOVHstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11050  	for {
 11051  		off1 := auxIntToInt32(v.AuxInt)
 11052  		sym1 := auxToSym(v.Aux)
 11053  		if v_0.Op != OpARM64MOVDaddr {
 11054  			break
 11055  		}
 11056  		off2 := auxIntToInt32(v_0.AuxInt)
 11057  		sym2 := auxToSym(v_0.Aux)
 11058  		ptr := v_0.Args[0]
 11059  		mem := v_1
 11060  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11061  			break
 11062  		}
 11063  		v.reset(OpARM64MOVHstorezero)
 11064  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11065  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11066  		v.AddArg2(ptr, mem)
 11067  		return true
 11068  	}
 11069  	// match: (MOVHstorezero [off] {sym} (ADD ptr idx) mem)
 11070  	// cond: off == 0 && sym == nil
 11071  	// result: (MOVHstorezeroidx ptr idx mem)
 11072  	for {
 11073  		off := auxIntToInt32(v.AuxInt)
 11074  		sym := auxToSym(v.Aux)
 11075  		if v_0.Op != OpARM64ADD {
 11076  			break
 11077  		}
 11078  		idx := v_0.Args[1]
 11079  		ptr := v_0.Args[0]
 11080  		mem := v_1
 11081  		if !(off == 0 && sym == nil) {
 11082  			break
 11083  		}
 11084  		v.reset(OpARM64MOVHstorezeroidx)
 11085  		v.AddArg3(ptr, idx, mem)
 11086  		return true
 11087  	}
 11088  	// match: (MOVHstorezero [off] {sym} (ADDshiftLL [1] ptr idx) mem)
 11089  	// cond: off == 0 && sym == nil
 11090  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11091  	for {
 11092  		off := auxIntToInt32(v.AuxInt)
 11093  		sym := auxToSym(v.Aux)
 11094  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 11095  			break
 11096  		}
 11097  		idx := v_0.Args[1]
 11098  		ptr := v_0.Args[0]
 11099  		mem := v_1
 11100  		if !(off == 0 && sym == nil) {
 11101  			break
 11102  		}
 11103  		v.reset(OpARM64MOVHstorezeroidx2)
 11104  		v.AddArg3(ptr, idx, mem)
 11105  		return true
 11106  	}
 11107  	return false
 11108  }
 11109  func rewriteValueARM64_OpARM64MOVHstorezeroidx(v *Value) bool {
 11110  	v_2 := v.Args[2]
 11111  	v_1 := v.Args[1]
 11112  	v_0 := v.Args[0]
 11113  	// match: (MOVHstorezeroidx ptr (MOVDconst [c]) mem)
 11114  	// cond: is32Bit(c)
 11115  	// result: (MOVHstorezero [int32(c)] ptr mem)
 11116  	for {
 11117  		ptr := v_0
 11118  		if v_1.Op != OpARM64MOVDconst {
 11119  			break
 11120  		}
 11121  		c := auxIntToInt64(v_1.AuxInt)
 11122  		mem := v_2
 11123  		if !(is32Bit(c)) {
 11124  			break
 11125  		}
 11126  		v.reset(OpARM64MOVHstorezero)
 11127  		v.AuxInt = int32ToAuxInt(int32(c))
 11128  		v.AddArg2(ptr, mem)
 11129  		return true
 11130  	}
 11131  	// match: (MOVHstorezeroidx (MOVDconst [c]) idx mem)
 11132  	// cond: is32Bit(c)
 11133  	// result: (MOVHstorezero [int32(c)] idx mem)
 11134  	for {
 11135  		if v_0.Op != OpARM64MOVDconst {
 11136  			break
 11137  		}
 11138  		c := auxIntToInt64(v_0.AuxInt)
 11139  		idx := v_1
 11140  		mem := v_2
 11141  		if !(is32Bit(c)) {
 11142  			break
 11143  		}
 11144  		v.reset(OpARM64MOVHstorezero)
 11145  		v.AuxInt = int32ToAuxInt(int32(c))
 11146  		v.AddArg2(idx, mem)
 11147  		return true
 11148  	}
 11149  	// match: (MOVHstorezeroidx ptr (SLLconst [1] idx) mem)
 11150  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11151  	for {
 11152  		ptr := v_0
 11153  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 11154  			break
 11155  		}
 11156  		idx := v_1.Args[0]
 11157  		mem := v_2
 11158  		v.reset(OpARM64MOVHstorezeroidx2)
 11159  		v.AddArg3(ptr, idx, mem)
 11160  		return true
 11161  	}
 11162  	// match: (MOVHstorezeroidx ptr (ADD idx idx) mem)
 11163  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11164  	for {
 11165  		ptr := v_0
 11166  		if v_1.Op != OpARM64ADD {
 11167  			break
 11168  		}
 11169  		idx := v_1.Args[1]
 11170  		if idx != v_1.Args[0] {
 11171  			break
 11172  		}
 11173  		mem := v_2
 11174  		v.reset(OpARM64MOVHstorezeroidx2)
 11175  		v.AddArg3(ptr, idx, mem)
 11176  		return true
 11177  	}
 11178  	// match: (MOVHstorezeroidx (SLLconst [1] idx) ptr mem)
 11179  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11180  	for {
 11181  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 1 {
 11182  			break
 11183  		}
 11184  		idx := v_0.Args[0]
 11185  		ptr := v_1
 11186  		mem := v_2
 11187  		v.reset(OpARM64MOVHstorezeroidx2)
 11188  		v.AddArg3(ptr, idx, mem)
 11189  		return true
 11190  	}
 11191  	// match: (MOVHstorezeroidx (ADD idx idx) ptr mem)
 11192  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11193  	for {
 11194  		if v_0.Op != OpARM64ADD {
 11195  			break
 11196  		}
 11197  		idx := v_0.Args[1]
 11198  		if idx != v_0.Args[0] {
 11199  			break
 11200  		}
 11201  		ptr := v_1
 11202  		mem := v_2
 11203  		v.reset(OpARM64MOVHstorezeroidx2)
 11204  		v.AddArg3(ptr, idx, mem)
 11205  		return true
 11206  	}
 11207  	return false
 11208  }
 11209  func rewriteValueARM64_OpARM64MOVHstorezeroidx2(v *Value) bool {
 11210  	v_2 := v.Args[2]
 11211  	v_1 := v.Args[1]
 11212  	v_0 := v.Args[0]
 11213  	// match: (MOVHstorezeroidx2 ptr (MOVDconst [c]) mem)
 11214  	// cond: is32Bit(c<<1)
 11215  	// result: (MOVHstorezero [int32(c<<1)] ptr mem)
 11216  	for {
 11217  		ptr := v_0
 11218  		if v_1.Op != OpARM64MOVDconst {
 11219  			break
 11220  		}
 11221  		c := auxIntToInt64(v_1.AuxInt)
 11222  		mem := v_2
 11223  		if !(is32Bit(c << 1)) {
 11224  			break
 11225  		}
 11226  		v.reset(OpARM64MOVHstorezero)
 11227  		v.AuxInt = int32ToAuxInt(int32(c << 1))
 11228  		v.AddArg2(ptr, mem)
 11229  		return true
 11230  	}
 11231  	return false
 11232  }
 11233  func rewriteValueARM64_OpARM64MOVQstorezero(v *Value) bool {
 11234  	v_1 := v.Args[1]
 11235  	v_0 := v.Args[0]
 11236  	b := v.Block
 11237  	config := b.Func.Config
 11238  	// match: (MOVQstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
 11239  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11240  	// result: (MOVQstorezero [off1+int32(off2)] {sym} ptr mem)
 11241  	for {
 11242  		off1 := auxIntToInt32(v.AuxInt)
 11243  		sym := auxToSym(v.Aux)
 11244  		if v_0.Op != OpARM64ADDconst {
 11245  			break
 11246  		}
 11247  		off2 := auxIntToInt64(v_0.AuxInt)
 11248  		ptr := v_0.Args[0]
 11249  		mem := v_1
 11250  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11251  			break
 11252  		}
 11253  		v.reset(OpARM64MOVQstorezero)
 11254  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11255  		v.Aux = symToAux(sym)
 11256  		v.AddArg2(ptr, mem)
 11257  		return true
 11258  	}
 11259  	// match: (MOVQstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11260  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11261  	// result: (MOVQstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11262  	for {
 11263  		off1 := auxIntToInt32(v.AuxInt)
 11264  		sym1 := auxToSym(v.Aux)
 11265  		if v_0.Op != OpARM64MOVDaddr {
 11266  			break
 11267  		}
 11268  		off2 := auxIntToInt32(v_0.AuxInt)
 11269  		sym2 := auxToSym(v_0.Aux)
 11270  		ptr := v_0.Args[0]
 11271  		mem := v_1
 11272  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11273  			break
 11274  		}
 11275  		v.reset(OpARM64MOVQstorezero)
 11276  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11277  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11278  		v.AddArg2(ptr, mem)
 11279  		return true
 11280  	}
 11281  	return false
 11282  }
 11283  func rewriteValueARM64_OpARM64MOVWUload(v *Value) bool {
 11284  	v_1 := v.Args[1]
 11285  	v_0 := v.Args[0]
 11286  	b := v.Block
 11287  	config := b.Func.Config
 11288  	// match: (MOVWUload [off] {sym} ptr (FMOVSstore [off] {sym} ptr val _))
 11289  	// result: (FMOVSfpgp val)
 11290  	for {
 11291  		off := auxIntToInt32(v.AuxInt)
 11292  		sym := auxToSym(v.Aux)
 11293  		ptr := v_0
 11294  		if v_1.Op != OpARM64FMOVSstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
 11295  			break
 11296  		}
 11297  		val := v_1.Args[1]
 11298  		if ptr != v_1.Args[0] {
 11299  			break
 11300  		}
 11301  		v.reset(OpARM64FMOVSfpgp)
 11302  		v.AddArg(val)
 11303  		return true
 11304  	}
 11305  	// match: (MOVWUload [off1] {sym} (ADDconst [off2] ptr) mem)
 11306  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11307  	// result: (MOVWUload [off1+int32(off2)] {sym} ptr mem)
 11308  	for {
 11309  		off1 := auxIntToInt32(v.AuxInt)
 11310  		sym := auxToSym(v.Aux)
 11311  		if v_0.Op != OpARM64ADDconst {
 11312  			break
 11313  		}
 11314  		off2 := auxIntToInt64(v_0.AuxInt)
 11315  		ptr := v_0.Args[0]
 11316  		mem := v_1
 11317  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11318  			break
 11319  		}
 11320  		v.reset(OpARM64MOVWUload)
 11321  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11322  		v.Aux = symToAux(sym)
 11323  		v.AddArg2(ptr, mem)
 11324  		return true
 11325  	}
 11326  	// match: (MOVWUload [off] {sym} (ADD ptr idx) mem)
 11327  	// cond: off == 0 && sym == nil
 11328  	// result: (MOVWUloadidx ptr idx mem)
 11329  	for {
 11330  		off := auxIntToInt32(v.AuxInt)
 11331  		sym := auxToSym(v.Aux)
 11332  		if v_0.Op != OpARM64ADD {
 11333  			break
 11334  		}
 11335  		idx := v_0.Args[1]
 11336  		ptr := v_0.Args[0]
 11337  		mem := v_1
 11338  		if !(off == 0 && sym == nil) {
 11339  			break
 11340  		}
 11341  		v.reset(OpARM64MOVWUloadidx)
 11342  		v.AddArg3(ptr, idx, mem)
 11343  		return true
 11344  	}
 11345  	// match: (MOVWUload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 11346  	// cond: off == 0 && sym == nil
 11347  	// result: (MOVWUloadidx4 ptr idx mem)
 11348  	for {
 11349  		off := auxIntToInt32(v.AuxInt)
 11350  		sym := auxToSym(v.Aux)
 11351  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 11352  			break
 11353  		}
 11354  		idx := v_0.Args[1]
 11355  		ptr := v_0.Args[0]
 11356  		mem := v_1
 11357  		if !(off == 0 && sym == nil) {
 11358  			break
 11359  		}
 11360  		v.reset(OpARM64MOVWUloadidx4)
 11361  		v.AddArg3(ptr, idx, mem)
 11362  		return true
 11363  	}
 11364  	// match: (MOVWUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11365  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11366  	// result: (MOVWUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11367  	for {
 11368  		off1 := auxIntToInt32(v.AuxInt)
 11369  		sym1 := auxToSym(v.Aux)
 11370  		if v_0.Op != OpARM64MOVDaddr {
 11371  			break
 11372  		}
 11373  		off2 := auxIntToInt32(v_0.AuxInt)
 11374  		sym2 := auxToSym(v_0.Aux)
 11375  		ptr := v_0.Args[0]
 11376  		mem := v_1
 11377  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11378  			break
 11379  		}
 11380  		v.reset(OpARM64MOVWUload)
 11381  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11382  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11383  		v.AddArg2(ptr, mem)
 11384  		return true
 11385  	}
 11386  	// match: (MOVWUload [off] {sym} ptr (MOVWstorezero [off2] {sym2} ptr2 _))
 11387  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 11388  	// result: (MOVDconst [0])
 11389  	for {
 11390  		off := auxIntToInt32(v.AuxInt)
 11391  		sym := auxToSym(v.Aux)
 11392  		ptr := v_0
 11393  		if v_1.Op != OpARM64MOVWstorezero {
 11394  			break
 11395  		}
 11396  		off2 := auxIntToInt32(v_1.AuxInt)
 11397  		sym2 := auxToSym(v_1.Aux)
 11398  		ptr2 := v_1.Args[0]
 11399  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 11400  			break
 11401  		}
 11402  		v.reset(OpARM64MOVDconst)
 11403  		v.AuxInt = int64ToAuxInt(0)
 11404  		return true
 11405  	}
 11406  	// match: (MOVWUload [off] {sym} (SB) _)
 11407  	// cond: symIsRO(sym)
 11408  	// result: (MOVDconst [int64(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))])
 11409  	for {
 11410  		off := auxIntToInt32(v.AuxInt)
 11411  		sym := auxToSym(v.Aux)
 11412  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 11413  			break
 11414  		}
 11415  		v.reset(OpARM64MOVDconst)
 11416  		v.AuxInt = int64ToAuxInt(int64(read32(sym, int64(off), config.ctxt.Arch.ByteOrder)))
 11417  		return true
 11418  	}
 11419  	return false
 11420  }
 11421  func rewriteValueARM64_OpARM64MOVWUloadidx(v *Value) bool {
 11422  	v_2 := v.Args[2]
 11423  	v_1 := v.Args[1]
 11424  	v_0 := v.Args[0]
 11425  	// match: (MOVWUloadidx ptr (MOVDconst [c]) mem)
 11426  	// cond: is32Bit(c)
 11427  	// result: (MOVWUload [int32(c)] ptr mem)
 11428  	for {
 11429  		ptr := v_0
 11430  		if v_1.Op != OpARM64MOVDconst {
 11431  			break
 11432  		}
 11433  		c := auxIntToInt64(v_1.AuxInt)
 11434  		mem := v_2
 11435  		if !(is32Bit(c)) {
 11436  			break
 11437  		}
 11438  		v.reset(OpARM64MOVWUload)
 11439  		v.AuxInt = int32ToAuxInt(int32(c))
 11440  		v.AddArg2(ptr, mem)
 11441  		return true
 11442  	}
 11443  	// match: (MOVWUloadidx (MOVDconst [c]) ptr mem)
 11444  	// cond: is32Bit(c)
 11445  	// result: (MOVWUload [int32(c)] ptr mem)
 11446  	for {
 11447  		if v_0.Op != OpARM64MOVDconst {
 11448  			break
 11449  		}
 11450  		c := auxIntToInt64(v_0.AuxInt)
 11451  		ptr := v_1
 11452  		mem := v_2
 11453  		if !(is32Bit(c)) {
 11454  			break
 11455  		}
 11456  		v.reset(OpARM64MOVWUload)
 11457  		v.AuxInt = int32ToAuxInt(int32(c))
 11458  		v.AddArg2(ptr, mem)
 11459  		return true
 11460  	}
 11461  	// match: (MOVWUloadidx ptr (SLLconst [2] idx) mem)
 11462  	// result: (MOVWUloadidx4 ptr idx mem)
 11463  	for {
 11464  		ptr := v_0
 11465  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 11466  			break
 11467  		}
 11468  		idx := v_1.Args[0]
 11469  		mem := v_2
 11470  		v.reset(OpARM64MOVWUloadidx4)
 11471  		v.AddArg3(ptr, idx, mem)
 11472  		return true
 11473  	}
 11474  	// match: (MOVWUloadidx (SLLconst [2] idx) ptr mem)
 11475  	// result: (MOVWUloadidx4 ptr idx mem)
 11476  	for {
 11477  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 11478  			break
 11479  		}
 11480  		idx := v_0.Args[0]
 11481  		ptr := v_1
 11482  		mem := v_2
 11483  		v.reset(OpARM64MOVWUloadidx4)
 11484  		v.AddArg3(ptr, idx, mem)
 11485  		return true
 11486  	}
 11487  	// match: (MOVWUloadidx ptr idx (MOVWstorezeroidx ptr2 idx2 _))
 11488  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
 11489  	// result: (MOVDconst [0])
 11490  	for {
 11491  		ptr := v_0
 11492  		idx := v_1
 11493  		if v_2.Op != OpARM64MOVWstorezeroidx {
 11494  			break
 11495  		}
 11496  		idx2 := v_2.Args[1]
 11497  		ptr2 := v_2.Args[0]
 11498  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
 11499  			break
 11500  		}
 11501  		v.reset(OpARM64MOVDconst)
 11502  		v.AuxInt = int64ToAuxInt(0)
 11503  		return true
 11504  	}
 11505  	return false
 11506  }
 11507  func rewriteValueARM64_OpARM64MOVWUloadidx4(v *Value) bool {
 11508  	v_2 := v.Args[2]
 11509  	v_1 := v.Args[1]
 11510  	v_0 := v.Args[0]
 11511  	// match: (MOVWUloadidx4 ptr (MOVDconst [c]) mem)
 11512  	// cond: is32Bit(c<<2)
 11513  	// result: (MOVWUload [int32(c)<<2] ptr mem)
 11514  	for {
 11515  		ptr := v_0
 11516  		if v_1.Op != OpARM64MOVDconst {
 11517  			break
 11518  		}
 11519  		c := auxIntToInt64(v_1.AuxInt)
 11520  		mem := v_2
 11521  		if !(is32Bit(c << 2)) {
 11522  			break
 11523  		}
 11524  		v.reset(OpARM64MOVWUload)
 11525  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 11526  		v.AddArg2(ptr, mem)
 11527  		return true
 11528  	}
 11529  	// match: (MOVWUloadidx4 ptr idx (MOVWstorezeroidx4 ptr2 idx2 _))
 11530  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
 11531  	// result: (MOVDconst [0])
 11532  	for {
 11533  		ptr := v_0
 11534  		idx := v_1
 11535  		if v_2.Op != OpARM64MOVWstorezeroidx4 {
 11536  			break
 11537  		}
 11538  		idx2 := v_2.Args[1]
 11539  		ptr2 := v_2.Args[0]
 11540  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
 11541  			break
 11542  		}
 11543  		v.reset(OpARM64MOVDconst)
 11544  		v.AuxInt = int64ToAuxInt(0)
 11545  		return true
 11546  	}
 11547  	return false
 11548  }
 11549  func rewriteValueARM64_OpARM64MOVWUreg(v *Value) bool {
 11550  	v_0 := v.Args[0]
 11551  	// match: (MOVWUreg (ANDconst [c] x))
 11552  	// result: (ANDconst [c&(1<<32-1)] x)
 11553  	for {
 11554  		if v_0.Op != OpARM64ANDconst {
 11555  			break
 11556  		}
 11557  		c := auxIntToInt64(v_0.AuxInt)
 11558  		x := v_0.Args[0]
 11559  		v.reset(OpARM64ANDconst)
 11560  		v.AuxInt = int64ToAuxInt(c & (1<<32 - 1))
 11561  		v.AddArg(x)
 11562  		return true
 11563  	}
 11564  	// match: (MOVWUreg (MOVDconst [c]))
 11565  	// result: (MOVDconst [int64(uint32(c))])
 11566  	for {
 11567  		if v_0.Op != OpARM64MOVDconst {
 11568  			break
 11569  		}
 11570  		c := auxIntToInt64(v_0.AuxInt)
 11571  		v.reset(OpARM64MOVDconst)
 11572  		v.AuxInt = int64ToAuxInt(int64(uint32(c)))
 11573  		return true
 11574  	}
 11575  	// match: (MOVWUreg x)
 11576  	// cond: v.Type.Size() <= 4
 11577  	// result: x
 11578  	for {
 11579  		x := v_0
 11580  		if !(v.Type.Size() <= 4) {
 11581  			break
 11582  		}
 11583  		v.copyOf(x)
 11584  		return true
 11585  	}
 11586  	// match: (MOVWUreg (SLLconst [lc] x))
 11587  	// cond: lc >= 32
 11588  	// result: (MOVDconst [0])
 11589  	for {
 11590  		if v_0.Op != OpARM64SLLconst {
 11591  			break
 11592  		}
 11593  		lc := auxIntToInt64(v_0.AuxInt)
 11594  		if !(lc >= 32) {
 11595  			break
 11596  		}
 11597  		v.reset(OpARM64MOVDconst)
 11598  		v.AuxInt = int64ToAuxInt(0)
 11599  		return true
 11600  	}
 11601  	// match: (MOVWUreg (SLLconst [lc] x))
 11602  	// cond: lc < 32
 11603  	// result: (UBFIZ [armBFAuxInt(lc, 32-lc)] x)
 11604  	for {
 11605  		if v_0.Op != OpARM64SLLconst {
 11606  			break
 11607  		}
 11608  		lc := auxIntToInt64(v_0.AuxInt)
 11609  		x := v_0.Args[0]
 11610  		if !(lc < 32) {
 11611  			break
 11612  		}
 11613  		v.reset(OpARM64UBFIZ)
 11614  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 32-lc))
 11615  		v.AddArg(x)
 11616  		return true
 11617  	}
 11618  	// match: (MOVWUreg (SRLconst [rc] x))
 11619  	// cond: rc < 32
 11620  	// result: (UBFX [armBFAuxInt(rc, 32)] x)
 11621  	for {
 11622  		if v_0.Op != OpARM64SRLconst {
 11623  			break
 11624  		}
 11625  		rc := auxIntToInt64(v_0.AuxInt)
 11626  		x := v_0.Args[0]
 11627  		if !(rc < 32) {
 11628  			break
 11629  		}
 11630  		v.reset(OpARM64UBFX)
 11631  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32))
 11632  		v.AddArg(x)
 11633  		return true
 11634  	}
 11635  	// match: (MOVWUreg (UBFX [bfc] x))
 11636  	// cond: bfc.getARM64BFwidth() <= 32
 11637  	// result: (UBFX [bfc] x)
 11638  	for {
 11639  		if v_0.Op != OpARM64UBFX {
 11640  			break
 11641  		}
 11642  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 11643  		x := v_0.Args[0]
 11644  		if !(bfc.getARM64BFwidth() <= 32) {
 11645  			break
 11646  		}
 11647  		v.reset(OpARM64UBFX)
 11648  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 11649  		v.AddArg(x)
 11650  		return true
 11651  	}
 11652  	return false
 11653  }
 11654  func rewriteValueARM64_OpARM64MOVWload(v *Value) bool {
 11655  	v_1 := v.Args[1]
 11656  	v_0 := v.Args[0]
 11657  	b := v.Block
 11658  	config := b.Func.Config
 11659  	// match: (MOVWload [off1] {sym} (ADDconst [off2] ptr) mem)
 11660  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11661  	// result: (MOVWload [off1+int32(off2)] {sym} ptr mem)
 11662  	for {
 11663  		off1 := auxIntToInt32(v.AuxInt)
 11664  		sym := auxToSym(v.Aux)
 11665  		if v_0.Op != OpARM64ADDconst {
 11666  			break
 11667  		}
 11668  		off2 := auxIntToInt64(v_0.AuxInt)
 11669  		ptr := v_0.Args[0]
 11670  		mem := v_1
 11671  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11672  			break
 11673  		}
 11674  		v.reset(OpARM64MOVWload)
 11675  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11676  		v.Aux = symToAux(sym)
 11677  		v.AddArg2(ptr, mem)
 11678  		return true
 11679  	}
 11680  	// match: (MOVWload [off] {sym} (ADD ptr idx) mem)
 11681  	// cond: off == 0 && sym == nil
 11682  	// result: (MOVWloadidx ptr idx mem)
 11683  	for {
 11684  		off := auxIntToInt32(v.AuxInt)
 11685  		sym := auxToSym(v.Aux)
 11686  		if v_0.Op != OpARM64ADD {
 11687  			break
 11688  		}
 11689  		idx := v_0.Args[1]
 11690  		ptr := v_0.Args[0]
 11691  		mem := v_1
 11692  		if !(off == 0 && sym == nil) {
 11693  			break
 11694  		}
 11695  		v.reset(OpARM64MOVWloadidx)
 11696  		v.AddArg3(ptr, idx, mem)
 11697  		return true
 11698  	}
 11699  	// match: (MOVWload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 11700  	// cond: off == 0 && sym == nil
 11701  	// result: (MOVWloadidx4 ptr idx mem)
 11702  	for {
 11703  		off := auxIntToInt32(v.AuxInt)
 11704  		sym := auxToSym(v.Aux)
 11705  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 11706  			break
 11707  		}
 11708  		idx := v_0.Args[1]
 11709  		ptr := v_0.Args[0]
 11710  		mem := v_1
 11711  		if !(off == 0 && sym == nil) {
 11712  			break
 11713  		}
 11714  		v.reset(OpARM64MOVWloadidx4)
 11715  		v.AddArg3(ptr, idx, mem)
 11716  		return true
 11717  	}
 11718  	// match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11719  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11720  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11721  	for {
 11722  		off1 := auxIntToInt32(v.AuxInt)
 11723  		sym1 := auxToSym(v.Aux)
 11724  		if v_0.Op != OpARM64MOVDaddr {
 11725  			break
 11726  		}
 11727  		off2 := auxIntToInt32(v_0.AuxInt)
 11728  		sym2 := auxToSym(v_0.Aux)
 11729  		ptr := v_0.Args[0]
 11730  		mem := v_1
 11731  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11732  			break
 11733  		}
 11734  		v.reset(OpARM64MOVWload)
 11735  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11736  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11737  		v.AddArg2(ptr, mem)
 11738  		return true
 11739  	}
 11740  	// match: (MOVWload [off] {sym} ptr (MOVWstorezero [off2] {sym2} ptr2 _))
 11741  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 11742  	// result: (MOVDconst [0])
 11743  	for {
 11744  		off := auxIntToInt32(v.AuxInt)
 11745  		sym := auxToSym(v.Aux)
 11746  		ptr := v_0
 11747  		if v_1.Op != OpARM64MOVWstorezero {
 11748  			break
 11749  		}
 11750  		off2 := auxIntToInt32(v_1.AuxInt)
 11751  		sym2 := auxToSym(v_1.Aux)
 11752  		ptr2 := v_1.Args[0]
 11753  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 11754  			break
 11755  		}
 11756  		v.reset(OpARM64MOVDconst)
 11757  		v.AuxInt = int64ToAuxInt(0)
 11758  		return true
 11759  	}
 11760  	return false
 11761  }
 11762  func rewriteValueARM64_OpARM64MOVWloadidx(v *Value) bool {
 11763  	v_2 := v.Args[2]
 11764  	v_1 := v.Args[1]
 11765  	v_0 := v.Args[0]
 11766  	// match: (MOVWloadidx ptr (MOVDconst [c]) mem)
 11767  	// cond: is32Bit(c)
 11768  	// result: (MOVWload [int32(c)] ptr mem)
 11769  	for {
 11770  		ptr := v_0
 11771  		if v_1.Op != OpARM64MOVDconst {
 11772  			break
 11773  		}
 11774  		c := auxIntToInt64(v_1.AuxInt)
 11775  		mem := v_2
 11776  		if !(is32Bit(c)) {
 11777  			break
 11778  		}
 11779  		v.reset(OpARM64MOVWload)
 11780  		v.AuxInt = int32ToAuxInt(int32(c))
 11781  		v.AddArg2(ptr, mem)
 11782  		return true
 11783  	}
 11784  	// match: (MOVWloadidx (MOVDconst [c]) ptr mem)
 11785  	// cond: is32Bit(c)
 11786  	// result: (MOVWload [int32(c)] ptr mem)
 11787  	for {
 11788  		if v_0.Op != OpARM64MOVDconst {
 11789  			break
 11790  		}
 11791  		c := auxIntToInt64(v_0.AuxInt)
 11792  		ptr := v_1
 11793  		mem := v_2
 11794  		if !(is32Bit(c)) {
 11795  			break
 11796  		}
 11797  		v.reset(OpARM64MOVWload)
 11798  		v.AuxInt = int32ToAuxInt(int32(c))
 11799  		v.AddArg2(ptr, mem)
 11800  		return true
 11801  	}
 11802  	// match: (MOVWloadidx ptr (SLLconst [2] idx) mem)
 11803  	// result: (MOVWloadidx4 ptr idx mem)
 11804  	for {
 11805  		ptr := v_0
 11806  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 11807  			break
 11808  		}
 11809  		idx := v_1.Args[0]
 11810  		mem := v_2
 11811  		v.reset(OpARM64MOVWloadidx4)
 11812  		v.AddArg3(ptr, idx, mem)
 11813  		return true
 11814  	}
 11815  	// match: (MOVWloadidx (SLLconst [2] idx) ptr mem)
 11816  	// result: (MOVWloadidx4 ptr idx mem)
 11817  	for {
 11818  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 11819  			break
 11820  		}
 11821  		idx := v_0.Args[0]
 11822  		ptr := v_1
 11823  		mem := v_2
 11824  		v.reset(OpARM64MOVWloadidx4)
 11825  		v.AddArg3(ptr, idx, mem)
 11826  		return true
 11827  	}
 11828  	// match: (MOVWloadidx ptr idx (MOVWstorezeroidx ptr2 idx2 _))
 11829  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
 11830  	// result: (MOVDconst [0])
 11831  	for {
 11832  		ptr := v_0
 11833  		idx := v_1
 11834  		if v_2.Op != OpARM64MOVWstorezeroidx {
 11835  			break
 11836  		}
 11837  		idx2 := v_2.Args[1]
 11838  		ptr2 := v_2.Args[0]
 11839  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
 11840  			break
 11841  		}
 11842  		v.reset(OpARM64MOVDconst)
 11843  		v.AuxInt = int64ToAuxInt(0)
 11844  		return true
 11845  	}
 11846  	return false
 11847  }
 11848  func rewriteValueARM64_OpARM64MOVWloadidx4(v *Value) bool {
 11849  	v_2 := v.Args[2]
 11850  	v_1 := v.Args[1]
 11851  	v_0 := v.Args[0]
 11852  	// match: (MOVWloadidx4 ptr (MOVDconst [c]) mem)
 11853  	// cond: is32Bit(c<<2)
 11854  	// result: (MOVWload [int32(c)<<2] ptr mem)
 11855  	for {
 11856  		ptr := v_0
 11857  		if v_1.Op != OpARM64MOVDconst {
 11858  			break
 11859  		}
 11860  		c := auxIntToInt64(v_1.AuxInt)
 11861  		mem := v_2
 11862  		if !(is32Bit(c << 2)) {
 11863  			break
 11864  		}
 11865  		v.reset(OpARM64MOVWload)
 11866  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 11867  		v.AddArg2(ptr, mem)
 11868  		return true
 11869  	}
 11870  	// match: (MOVWloadidx4 ptr idx (MOVWstorezeroidx4 ptr2 idx2 _))
 11871  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
 11872  	// result: (MOVDconst [0])
 11873  	for {
 11874  		ptr := v_0
 11875  		idx := v_1
 11876  		if v_2.Op != OpARM64MOVWstorezeroidx4 {
 11877  			break
 11878  		}
 11879  		idx2 := v_2.Args[1]
 11880  		ptr2 := v_2.Args[0]
 11881  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
 11882  			break
 11883  		}
 11884  		v.reset(OpARM64MOVDconst)
 11885  		v.AuxInt = int64ToAuxInt(0)
 11886  		return true
 11887  	}
 11888  	return false
 11889  }
 11890  func rewriteValueARM64_OpARM64MOVWreg(v *Value) bool {
 11891  	v_0 := v.Args[0]
 11892  	// match: (MOVWreg (MOVDconst [c]))
 11893  	// result: (MOVDconst [int64(int32(c))])
 11894  	for {
 11895  		if v_0.Op != OpARM64MOVDconst {
 11896  			break
 11897  		}
 11898  		c := auxIntToInt64(v_0.AuxInt)
 11899  		v.reset(OpARM64MOVDconst)
 11900  		v.AuxInt = int64ToAuxInt(int64(int32(c)))
 11901  		return true
 11902  	}
 11903  	// match: (MOVWreg x)
 11904  	// cond: v.Type.Size() <= 4
 11905  	// result: x
 11906  	for {
 11907  		x := v_0
 11908  		if !(v.Type.Size() <= 4) {
 11909  			break
 11910  		}
 11911  		v.copyOf(x)
 11912  		return true
 11913  	}
 11914  	// match: (MOVWreg <t> (ANDconst x [c]))
 11915  	// cond: uint64(c) & uint64(0xffffffff80000000) == 0
 11916  	// result: (ANDconst <t> x [c])
 11917  	for {
 11918  		t := v.Type
 11919  		if v_0.Op != OpARM64ANDconst {
 11920  			break
 11921  		}
 11922  		c := auxIntToInt64(v_0.AuxInt)
 11923  		x := v_0.Args[0]
 11924  		if !(uint64(c)&uint64(0xffffffff80000000) == 0) {
 11925  			break
 11926  		}
 11927  		v.reset(OpARM64ANDconst)
 11928  		v.Type = t
 11929  		v.AuxInt = int64ToAuxInt(c)
 11930  		v.AddArg(x)
 11931  		return true
 11932  	}
 11933  	// match: (MOVWreg (SLLconst [lc] x))
 11934  	// cond: lc < 32
 11935  	// result: (SBFIZ [armBFAuxInt(lc, 32-lc)] x)
 11936  	for {
 11937  		if v_0.Op != OpARM64SLLconst {
 11938  			break
 11939  		}
 11940  		lc := auxIntToInt64(v_0.AuxInt)
 11941  		x := v_0.Args[0]
 11942  		if !(lc < 32) {
 11943  			break
 11944  		}
 11945  		v.reset(OpARM64SBFIZ)
 11946  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 32-lc))
 11947  		v.AddArg(x)
 11948  		return true
 11949  	}
 11950  	// match: (MOVWreg (SBFX [bfc] x))
 11951  	// cond: bfc.getARM64BFwidth() <= 32
 11952  	// result: (SBFX [bfc] x)
 11953  	for {
 11954  		if v_0.Op != OpARM64SBFX {
 11955  			break
 11956  		}
 11957  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 11958  		x := v_0.Args[0]
 11959  		if !(bfc.getARM64BFwidth() <= 32) {
 11960  			break
 11961  		}
 11962  		v.reset(OpARM64SBFX)
 11963  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 11964  		v.AddArg(x)
 11965  		return true
 11966  	}
 11967  	return false
 11968  }
 11969  func rewriteValueARM64_OpARM64MOVWstore(v *Value) bool {
 11970  	v_2 := v.Args[2]
 11971  	v_1 := v.Args[1]
 11972  	v_0 := v.Args[0]
 11973  	b := v.Block
 11974  	config := b.Func.Config
 11975  	// match: (MOVWstore [off] {sym} ptr (FMOVSfpgp val) mem)
 11976  	// result: (FMOVSstore [off] {sym} ptr val mem)
 11977  	for {
 11978  		off := auxIntToInt32(v.AuxInt)
 11979  		sym := auxToSym(v.Aux)
 11980  		ptr := v_0
 11981  		if v_1.Op != OpARM64FMOVSfpgp {
 11982  			break
 11983  		}
 11984  		val := v_1.Args[0]
 11985  		mem := v_2
 11986  		v.reset(OpARM64FMOVSstore)
 11987  		v.AuxInt = int32ToAuxInt(off)
 11988  		v.Aux = symToAux(sym)
 11989  		v.AddArg3(ptr, val, mem)
 11990  		return true
 11991  	}
 11992  	// match: (MOVWstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 11993  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11994  	// result: (MOVWstore [off1+int32(off2)] {sym} ptr val mem)
 11995  	for {
 11996  		off1 := auxIntToInt32(v.AuxInt)
 11997  		sym := auxToSym(v.Aux)
 11998  		if v_0.Op != OpARM64ADDconst {
 11999  			break
 12000  		}
 12001  		off2 := auxIntToInt64(v_0.AuxInt)
 12002  		ptr := v_0.Args[0]
 12003  		val := v_1
 12004  		mem := v_2
 12005  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12006  			break
 12007  		}
 12008  		v.reset(OpARM64MOVWstore)
 12009  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 12010  		v.Aux = symToAux(sym)
 12011  		v.AddArg3(ptr, val, mem)
 12012  		return true
 12013  	}
 12014  	// match: (MOVWstore [off] {sym} (ADD ptr idx) val mem)
 12015  	// cond: off == 0 && sym == nil
 12016  	// result: (MOVWstoreidx ptr idx val mem)
 12017  	for {
 12018  		off := auxIntToInt32(v.AuxInt)
 12019  		sym := auxToSym(v.Aux)
 12020  		if v_0.Op != OpARM64ADD {
 12021  			break
 12022  		}
 12023  		idx := v_0.Args[1]
 12024  		ptr := v_0.Args[0]
 12025  		val := v_1
 12026  		mem := v_2
 12027  		if !(off == 0 && sym == nil) {
 12028  			break
 12029  		}
 12030  		v.reset(OpARM64MOVWstoreidx)
 12031  		v.AddArg4(ptr, idx, val, mem)
 12032  		return true
 12033  	}
 12034  	// match: (MOVWstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem)
 12035  	// cond: off == 0 && sym == nil
 12036  	// result: (MOVWstoreidx4 ptr idx val mem)
 12037  	for {
 12038  		off := auxIntToInt32(v.AuxInt)
 12039  		sym := auxToSym(v.Aux)
 12040  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 12041  			break
 12042  		}
 12043  		idx := v_0.Args[1]
 12044  		ptr := v_0.Args[0]
 12045  		val := v_1
 12046  		mem := v_2
 12047  		if !(off == 0 && sym == nil) {
 12048  			break
 12049  		}
 12050  		v.reset(OpARM64MOVWstoreidx4)
 12051  		v.AddArg4(ptr, idx, val, mem)
 12052  		return true
 12053  	}
 12054  	// match: (MOVWstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 12055  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12056  	// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 12057  	for {
 12058  		off1 := auxIntToInt32(v.AuxInt)
 12059  		sym1 := auxToSym(v.Aux)
 12060  		if v_0.Op != OpARM64MOVDaddr {
 12061  			break
 12062  		}
 12063  		off2 := auxIntToInt32(v_0.AuxInt)
 12064  		sym2 := auxToSym(v_0.Aux)
 12065  		ptr := v_0.Args[0]
 12066  		val := v_1
 12067  		mem := v_2
 12068  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12069  			break
 12070  		}
 12071  		v.reset(OpARM64MOVWstore)
 12072  		v.AuxInt = int32ToAuxInt(off1 + off2)
 12073  		v.Aux = symToAux(mergeSym(sym1, sym2))
 12074  		v.AddArg3(ptr, val, mem)
 12075  		return true
 12076  	}
 12077  	// match: (MOVWstore [off] {sym} ptr (MOVDconst [0]) mem)
 12078  	// result: (MOVWstorezero [off] {sym} ptr mem)
 12079  	for {
 12080  		off := auxIntToInt32(v.AuxInt)
 12081  		sym := auxToSym(v.Aux)
 12082  		ptr := v_0
 12083  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 12084  			break
 12085  		}
 12086  		mem := v_2
 12087  		v.reset(OpARM64MOVWstorezero)
 12088  		v.AuxInt = int32ToAuxInt(off)
 12089  		v.Aux = symToAux(sym)
 12090  		v.AddArg2(ptr, mem)
 12091  		return true
 12092  	}
 12093  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
 12094  	// result: (MOVWstore [off] {sym} ptr x mem)
 12095  	for {
 12096  		off := auxIntToInt32(v.AuxInt)
 12097  		sym := auxToSym(v.Aux)
 12098  		ptr := v_0
 12099  		if v_1.Op != OpARM64MOVWreg {
 12100  			break
 12101  		}
 12102  		x := v_1.Args[0]
 12103  		mem := v_2
 12104  		v.reset(OpARM64MOVWstore)
 12105  		v.AuxInt = int32ToAuxInt(off)
 12106  		v.Aux = symToAux(sym)
 12107  		v.AddArg3(ptr, x, mem)
 12108  		return true
 12109  	}
 12110  	// match: (MOVWstore [off] {sym} ptr (MOVWUreg x) mem)
 12111  	// result: (MOVWstore [off] {sym} ptr x mem)
 12112  	for {
 12113  		off := auxIntToInt32(v.AuxInt)
 12114  		sym := auxToSym(v.Aux)
 12115  		ptr := v_0
 12116  		if v_1.Op != OpARM64MOVWUreg {
 12117  			break
 12118  		}
 12119  		x := v_1.Args[0]
 12120  		mem := v_2
 12121  		v.reset(OpARM64MOVWstore)
 12122  		v.AuxInt = int32ToAuxInt(off)
 12123  		v.Aux = symToAux(sym)
 12124  		v.AddArg3(ptr, x, mem)
 12125  		return true
 12126  	}
 12127  	return false
 12128  }
 12129  func rewriteValueARM64_OpARM64MOVWstoreidx(v *Value) bool {
 12130  	v_3 := v.Args[3]
 12131  	v_2 := v.Args[2]
 12132  	v_1 := v.Args[1]
 12133  	v_0 := v.Args[0]
 12134  	// match: (MOVWstoreidx ptr (MOVDconst [c]) val mem)
 12135  	// cond: is32Bit(c)
 12136  	// result: (MOVWstore [int32(c)] ptr val mem)
 12137  	for {
 12138  		ptr := v_0
 12139  		if v_1.Op != OpARM64MOVDconst {
 12140  			break
 12141  		}
 12142  		c := auxIntToInt64(v_1.AuxInt)
 12143  		val := v_2
 12144  		mem := v_3
 12145  		if !(is32Bit(c)) {
 12146  			break
 12147  		}
 12148  		v.reset(OpARM64MOVWstore)
 12149  		v.AuxInt = int32ToAuxInt(int32(c))
 12150  		v.AddArg3(ptr, val, mem)
 12151  		return true
 12152  	}
 12153  	// match: (MOVWstoreidx (MOVDconst [c]) idx val mem)
 12154  	// cond: is32Bit(c)
 12155  	// result: (MOVWstore [int32(c)] idx val mem)
 12156  	for {
 12157  		if v_0.Op != OpARM64MOVDconst {
 12158  			break
 12159  		}
 12160  		c := auxIntToInt64(v_0.AuxInt)
 12161  		idx := v_1
 12162  		val := v_2
 12163  		mem := v_3
 12164  		if !(is32Bit(c)) {
 12165  			break
 12166  		}
 12167  		v.reset(OpARM64MOVWstore)
 12168  		v.AuxInt = int32ToAuxInt(int32(c))
 12169  		v.AddArg3(idx, val, mem)
 12170  		return true
 12171  	}
 12172  	// match: (MOVWstoreidx ptr (SLLconst [2] idx) val mem)
 12173  	// result: (MOVWstoreidx4 ptr idx val mem)
 12174  	for {
 12175  		ptr := v_0
 12176  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 12177  			break
 12178  		}
 12179  		idx := v_1.Args[0]
 12180  		val := v_2
 12181  		mem := v_3
 12182  		v.reset(OpARM64MOVWstoreidx4)
 12183  		v.AddArg4(ptr, idx, val, mem)
 12184  		return true
 12185  	}
 12186  	// match: (MOVWstoreidx (SLLconst [2] idx) ptr val mem)
 12187  	// result: (MOVWstoreidx4 ptr idx val mem)
 12188  	for {
 12189  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 12190  			break
 12191  		}
 12192  		idx := v_0.Args[0]
 12193  		ptr := v_1
 12194  		val := v_2
 12195  		mem := v_3
 12196  		v.reset(OpARM64MOVWstoreidx4)
 12197  		v.AddArg4(ptr, idx, val, mem)
 12198  		return true
 12199  	}
 12200  	// match: (MOVWstoreidx ptr idx (MOVDconst [0]) mem)
 12201  	// result: (MOVWstorezeroidx ptr idx mem)
 12202  	for {
 12203  		ptr := v_0
 12204  		idx := v_1
 12205  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 12206  			break
 12207  		}
 12208  		mem := v_3
 12209  		v.reset(OpARM64MOVWstorezeroidx)
 12210  		v.AddArg3(ptr, idx, mem)
 12211  		return true
 12212  	}
 12213  	// match: (MOVWstoreidx ptr idx (MOVWreg x) mem)
 12214  	// result: (MOVWstoreidx ptr idx x mem)
 12215  	for {
 12216  		ptr := v_0
 12217  		idx := v_1
 12218  		if v_2.Op != OpARM64MOVWreg {
 12219  			break
 12220  		}
 12221  		x := v_2.Args[0]
 12222  		mem := v_3
 12223  		v.reset(OpARM64MOVWstoreidx)
 12224  		v.AddArg4(ptr, idx, x, mem)
 12225  		return true
 12226  	}
 12227  	// match: (MOVWstoreidx ptr idx (MOVWUreg x) mem)
 12228  	// result: (MOVWstoreidx ptr idx x mem)
 12229  	for {
 12230  		ptr := v_0
 12231  		idx := v_1
 12232  		if v_2.Op != OpARM64MOVWUreg {
 12233  			break
 12234  		}
 12235  		x := v_2.Args[0]
 12236  		mem := v_3
 12237  		v.reset(OpARM64MOVWstoreidx)
 12238  		v.AddArg4(ptr, idx, x, mem)
 12239  		return true
 12240  	}
 12241  	return false
 12242  }
 12243  func rewriteValueARM64_OpARM64MOVWstoreidx4(v *Value) bool {
 12244  	v_3 := v.Args[3]
 12245  	v_2 := v.Args[2]
 12246  	v_1 := v.Args[1]
 12247  	v_0 := v.Args[0]
 12248  	// match: (MOVWstoreidx4 ptr (MOVDconst [c]) val mem)
 12249  	// cond: is32Bit(c<<2)
 12250  	// result: (MOVWstore [int32(c)<<2] ptr val mem)
 12251  	for {
 12252  		ptr := v_0
 12253  		if v_1.Op != OpARM64MOVDconst {
 12254  			break
 12255  		}
 12256  		c := auxIntToInt64(v_1.AuxInt)
 12257  		val := v_2
 12258  		mem := v_3
 12259  		if !(is32Bit(c << 2)) {
 12260  			break
 12261  		}
 12262  		v.reset(OpARM64MOVWstore)
 12263  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 12264  		v.AddArg3(ptr, val, mem)
 12265  		return true
 12266  	}
 12267  	// match: (MOVWstoreidx4 ptr idx (MOVDconst [0]) mem)
 12268  	// result: (MOVWstorezeroidx4 ptr idx mem)
 12269  	for {
 12270  		ptr := v_0
 12271  		idx := v_1
 12272  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 12273  			break
 12274  		}
 12275  		mem := v_3
 12276  		v.reset(OpARM64MOVWstorezeroidx4)
 12277  		v.AddArg3(ptr, idx, mem)
 12278  		return true
 12279  	}
 12280  	// match: (MOVWstoreidx4 ptr idx (MOVWreg x) mem)
 12281  	// result: (MOVWstoreidx4 ptr idx x mem)
 12282  	for {
 12283  		ptr := v_0
 12284  		idx := v_1
 12285  		if v_2.Op != OpARM64MOVWreg {
 12286  			break
 12287  		}
 12288  		x := v_2.Args[0]
 12289  		mem := v_3
 12290  		v.reset(OpARM64MOVWstoreidx4)
 12291  		v.AddArg4(ptr, idx, x, mem)
 12292  		return true
 12293  	}
 12294  	// match: (MOVWstoreidx4 ptr idx (MOVWUreg x) mem)
 12295  	// result: (MOVWstoreidx4 ptr idx x mem)
 12296  	for {
 12297  		ptr := v_0
 12298  		idx := v_1
 12299  		if v_2.Op != OpARM64MOVWUreg {
 12300  			break
 12301  		}
 12302  		x := v_2.Args[0]
 12303  		mem := v_3
 12304  		v.reset(OpARM64MOVWstoreidx4)
 12305  		v.AddArg4(ptr, idx, x, mem)
 12306  		return true
 12307  	}
 12308  	return false
 12309  }
 12310  func rewriteValueARM64_OpARM64MOVWstorezero(v *Value) bool {
 12311  	v_1 := v.Args[1]
 12312  	v_0 := v.Args[0]
 12313  	b := v.Block
 12314  	config := b.Func.Config
 12315  	// match: (MOVWstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
 12316  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12317  	// result: (MOVWstorezero [off1+int32(off2)] {sym} ptr mem)
 12318  	for {
 12319  		off1 := auxIntToInt32(v.AuxInt)
 12320  		sym := auxToSym(v.Aux)
 12321  		if v_0.Op != OpARM64ADDconst {
 12322  			break
 12323  		}
 12324  		off2 := auxIntToInt64(v_0.AuxInt)
 12325  		ptr := v_0.Args[0]
 12326  		mem := v_1
 12327  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12328  			break
 12329  		}
 12330  		v.reset(OpARM64MOVWstorezero)
 12331  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 12332  		v.Aux = symToAux(sym)
 12333  		v.AddArg2(ptr, mem)
 12334  		return true
 12335  	}
 12336  	// match: (MOVWstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 12337  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12338  	// result: (MOVWstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 12339  	for {
 12340  		off1 := auxIntToInt32(v.AuxInt)
 12341  		sym1 := auxToSym(v.Aux)
 12342  		if v_0.Op != OpARM64MOVDaddr {
 12343  			break
 12344  		}
 12345  		off2 := auxIntToInt32(v_0.AuxInt)
 12346  		sym2 := auxToSym(v_0.Aux)
 12347  		ptr := v_0.Args[0]
 12348  		mem := v_1
 12349  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12350  			break
 12351  		}
 12352  		v.reset(OpARM64MOVWstorezero)
 12353  		v.AuxInt = int32ToAuxInt(off1 + off2)
 12354  		v.Aux = symToAux(mergeSym(sym1, sym2))
 12355  		v.AddArg2(ptr, mem)
 12356  		return true
 12357  	}
 12358  	// match: (MOVWstorezero [off] {sym} (ADD ptr idx) mem)
 12359  	// cond: off == 0 && sym == nil
 12360  	// result: (MOVWstorezeroidx ptr idx mem)
 12361  	for {
 12362  		off := auxIntToInt32(v.AuxInt)
 12363  		sym := auxToSym(v.Aux)
 12364  		if v_0.Op != OpARM64ADD {
 12365  			break
 12366  		}
 12367  		idx := v_0.Args[1]
 12368  		ptr := v_0.Args[0]
 12369  		mem := v_1
 12370  		if !(off == 0 && sym == nil) {
 12371  			break
 12372  		}
 12373  		v.reset(OpARM64MOVWstorezeroidx)
 12374  		v.AddArg3(ptr, idx, mem)
 12375  		return true
 12376  	}
 12377  	// match: (MOVWstorezero [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 12378  	// cond: off == 0 && sym == nil
 12379  	// result: (MOVWstorezeroidx4 ptr idx mem)
 12380  	for {
 12381  		off := auxIntToInt32(v.AuxInt)
 12382  		sym := auxToSym(v.Aux)
 12383  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 12384  			break
 12385  		}
 12386  		idx := v_0.Args[1]
 12387  		ptr := v_0.Args[0]
 12388  		mem := v_1
 12389  		if !(off == 0 && sym == nil) {
 12390  			break
 12391  		}
 12392  		v.reset(OpARM64MOVWstorezeroidx4)
 12393  		v.AddArg3(ptr, idx, mem)
 12394  		return true
 12395  	}
 12396  	return false
 12397  }
 12398  func rewriteValueARM64_OpARM64MOVWstorezeroidx(v *Value) bool {
 12399  	v_2 := v.Args[2]
 12400  	v_1 := v.Args[1]
 12401  	v_0 := v.Args[0]
 12402  	// match: (MOVWstorezeroidx ptr (MOVDconst [c]) mem)
 12403  	// cond: is32Bit(c)
 12404  	// result: (MOVWstorezero [int32(c)] ptr mem)
 12405  	for {
 12406  		ptr := v_0
 12407  		if v_1.Op != OpARM64MOVDconst {
 12408  			break
 12409  		}
 12410  		c := auxIntToInt64(v_1.AuxInt)
 12411  		mem := v_2
 12412  		if !(is32Bit(c)) {
 12413  			break
 12414  		}
 12415  		v.reset(OpARM64MOVWstorezero)
 12416  		v.AuxInt = int32ToAuxInt(int32(c))
 12417  		v.AddArg2(ptr, mem)
 12418  		return true
 12419  	}
 12420  	// match: (MOVWstorezeroidx (MOVDconst [c]) idx mem)
 12421  	// cond: is32Bit(c)
 12422  	// result: (MOVWstorezero [int32(c)] idx mem)
 12423  	for {
 12424  		if v_0.Op != OpARM64MOVDconst {
 12425  			break
 12426  		}
 12427  		c := auxIntToInt64(v_0.AuxInt)
 12428  		idx := v_1
 12429  		mem := v_2
 12430  		if !(is32Bit(c)) {
 12431  			break
 12432  		}
 12433  		v.reset(OpARM64MOVWstorezero)
 12434  		v.AuxInt = int32ToAuxInt(int32(c))
 12435  		v.AddArg2(idx, mem)
 12436  		return true
 12437  	}
 12438  	// match: (MOVWstorezeroidx ptr (SLLconst [2] idx) mem)
 12439  	// result: (MOVWstorezeroidx4 ptr idx mem)
 12440  	for {
 12441  		ptr := v_0
 12442  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 12443  			break
 12444  		}
 12445  		idx := v_1.Args[0]
 12446  		mem := v_2
 12447  		v.reset(OpARM64MOVWstorezeroidx4)
 12448  		v.AddArg3(ptr, idx, mem)
 12449  		return true
 12450  	}
 12451  	// match: (MOVWstorezeroidx (SLLconst [2] idx) ptr mem)
 12452  	// result: (MOVWstorezeroidx4 ptr idx mem)
 12453  	for {
 12454  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 12455  			break
 12456  		}
 12457  		idx := v_0.Args[0]
 12458  		ptr := v_1
 12459  		mem := v_2
 12460  		v.reset(OpARM64MOVWstorezeroidx4)
 12461  		v.AddArg3(ptr, idx, mem)
 12462  		return true
 12463  	}
 12464  	return false
 12465  }
 12466  func rewriteValueARM64_OpARM64MOVWstorezeroidx4(v *Value) bool {
 12467  	v_2 := v.Args[2]
 12468  	v_1 := v.Args[1]
 12469  	v_0 := v.Args[0]
 12470  	// match: (MOVWstorezeroidx4 ptr (MOVDconst [c]) mem)
 12471  	// cond: is32Bit(c<<2)
 12472  	// result: (MOVWstorezero [int32(c<<2)] ptr mem)
 12473  	for {
 12474  		ptr := v_0
 12475  		if v_1.Op != OpARM64MOVDconst {
 12476  			break
 12477  		}
 12478  		c := auxIntToInt64(v_1.AuxInt)
 12479  		mem := v_2
 12480  		if !(is32Bit(c << 2)) {
 12481  			break
 12482  		}
 12483  		v.reset(OpARM64MOVWstorezero)
 12484  		v.AuxInt = int32ToAuxInt(int32(c << 2))
 12485  		v.AddArg2(ptr, mem)
 12486  		return true
 12487  	}
 12488  	return false
 12489  }
 12490  func rewriteValueARM64_OpARM64MSUB(v *Value) bool {
 12491  	v_2 := v.Args[2]
 12492  	v_1 := v.Args[1]
 12493  	v_0 := v.Args[0]
 12494  	b := v.Block
 12495  	// match: (MSUB a x (MOVDconst [-1]))
 12496  	// result: (ADD a x)
 12497  	for {
 12498  		a := v_0
 12499  		x := v_1
 12500  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != -1 {
 12501  			break
 12502  		}
 12503  		v.reset(OpARM64ADD)
 12504  		v.AddArg2(a, x)
 12505  		return true
 12506  	}
 12507  	// match: (MSUB a _ (MOVDconst [0]))
 12508  	// result: a
 12509  	for {
 12510  		a := v_0
 12511  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 12512  			break
 12513  		}
 12514  		v.copyOf(a)
 12515  		return true
 12516  	}
 12517  	// match: (MSUB a x (MOVDconst [1]))
 12518  	// result: (SUB a x)
 12519  	for {
 12520  		a := v_0
 12521  		x := v_1
 12522  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 1 {
 12523  			break
 12524  		}
 12525  		v.reset(OpARM64SUB)
 12526  		v.AddArg2(a, x)
 12527  		return true
 12528  	}
 12529  	// match: (MSUB a x (MOVDconst [c]))
 12530  	// cond: isPowerOfTwo64(c)
 12531  	// result: (SUBshiftLL a x [log64(c)])
 12532  	for {
 12533  		a := v_0
 12534  		x := v_1
 12535  		if v_2.Op != OpARM64MOVDconst {
 12536  			break
 12537  		}
 12538  		c := auxIntToInt64(v_2.AuxInt)
 12539  		if !(isPowerOfTwo64(c)) {
 12540  			break
 12541  		}
 12542  		v.reset(OpARM64SUBshiftLL)
 12543  		v.AuxInt = int64ToAuxInt(log64(c))
 12544  		v.AddArg2(a, x)
 12545  		return true
 12546  	}
 12547  	// match: (MSUB a x (MOVDconst [c]))
 12548  	// cond: isPowerOfTwo64(c-1) && c>=3
 12549  	// result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)]))
 12550  	for {
 12551  		a := v_0
 12552  		x := v_1
 12553  		if v_2.Op != OpARM64MOVDconst {
 12554  			break
 12555  		}
 12556  		c := auxIntToInt64(v_2.AuxInt)
 12557  		if !(isPowerOfTwo64(c-1) && c >= 3) {
 12558  			break
 12559  		}
 12560  		v.reset(OpARM64SUB)
 12561  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12562  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
 12563  		v0.AddArg2(x, x)
 12564  		v.AddArg2(a, v0)
 12565  		return true
 12566  	}
 12567  	// match: (MSUB a x (MOVDconst [c]))
 12568  	// cond: isPowerOfTwo64(c+1) && c>=7
 12569  	// result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)]))
 12570  	for {
 12571  		a := v_0
 12572  		x := v_1
 12573  		if v_2.Op != OpARM64MOVDconst {
 12574  			break
 12575  		}
 12576  		c := auxIntToInt64(v_2.AuxInt)
 12577  		if !(isPowerOfTwo64(c+1) && c >= 7) {
 12578  			break
 12579  		}
 12580  		v.reset(OpARM64ADD)
 12581  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12582  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
 12583  		v0.AddArg2(x, x)
 12584  		v.AddArg2(a, v0)
 12585  		return true
 12586  	}
 12587  	// match: (MSUB a x (MOVDconst [c]))
 12588  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
 12589  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
 12590  	for {
 12591  		a := v_0
 12592  		x := v_1
 12593  		if v_2.Op != OpARM64MOVDconst {
 12594  			break
 12595  		}
 12596  		c := auxIntToInt64(v_2.AuxInt)
 12597  		if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
 12598  			break
 12599  		}
 12600  		v.reset(OpARM64ADDshiftLL)
 12601  		v.AuxInt = int64ToAuxInt(log64(c / 3))
 12602  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12603  		v0.AuxInt = int64ToAuxInt(2)
 12604  		v0.AddArg2(x, x)
 12605  		v.AddArg2(a, v0)
 12606  		return true
 12607  	}
 12608  	// match: (MSUB a x (MOVDconst [c]))
 12609  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
 12610  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
 12611  	for {
 12612  		a := v_0
 12613  		x := v_1
 12614  		if v_2.Op != OpARM64MOVDconst {
 12615  			break
 12616  		}
 12617  		c := auxIntToInt64(v_2.AuxInt)
 12618  		if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
 12619  			break
 12620  		}
 12621  		v.reset(OpARM64SUBshiftLL)
 12622  		v.AuxInt = int64ToAuxInt(log64(c / 5))
 12623  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12624  		v0.AuxInt = int64ToAuxInt(2)
 12625  		v0.AddArg2(x, x)
 12626  		v.AddArg2(a, v0)
 12627  		return true
 12628  	}
 12629  	// match: (MSUB a x (MOVDconst [c]))
 12630  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
 12631  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
 12632  	for {
 12633  		a := v_0
 12634  		x := v_1
 12635  		if v_2.Op != OpARM64MOVDconst {
 12636  			break
 12637  		}
 12638  		c := auxIntToInt64(v_2.AuxInt)
 12639  		if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
 12640  			break
 12641  		}
 12642  		v.reset(OpARM64ADDshiftLL)
 12643  		v.AuxInt = int64ToAuxInt(log64(c / 7))
 12644  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12645  		v0.AuxInt = int64ToAuxInt(3)
 12646  		v0.AddArg2(x, x)
 12647  		v.AddArg2(a, v0)
 12648  		return true
 12649  	}
 12650  	// match: (MSUB a x (MOVDconst [c]))
 12651  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
 12652  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
 12653  	for {
 12654  		a := v_0
 12655  		x := v_1
 12656  		if v_2.Op != OpARM64MOVDconst {
 12657  			break
 12658  		}
 12659  		c := auxIntToInt64(v_2.AuxInt)
 12660  		if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
 12661  			break
 12662  		}
 12663  		v.reset(OpARM64SUBshiftLL)
 12664  		v.AuxInt = int64ToAuxInt(log64(c / 9))
 12665  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12666  		v0.AuxInt = int64ToAuxInt(3)
 12667  		v0.AddArg2(x, x)
 12668  		v.AddArg2(a, v0)
 12669  		return true
 12670  	}
 12671  	// match: (MSUB a (MOVDconst [-1]) x)
 12672  	// result: (ADD a x)
 12673  	for {
 12674  		a := v_0
 12675  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
 12676  			break
 12677  		}
 12678  		x := v_2
 12679  		v.reset(OpARM64ADD)
 12680  		v.AddArg2(a, x)
 12681  		return true
 12682  	}
 12683  	// match: (MSUB a (MOVDconst [0]) _)
 12684  	// result: a
 12685  	for {
 12686  		a := v_0
 12687  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 12688  			break
 12689  		}
 12690  		v.copyOf(a)
 12691  		return true
 12692  	}
 12693  	// match: (MSUB a (MOVDconst [1]) x)
 12694  	// result: (SUB a x)
 12695  	for {
 12696  		a := v_0
 12697  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 12698  			break
 12699  		}
 12700  		x := v_2
 12701  		v.reset(OpARM64SUB)
 12702  		v.AddArg2(a, x)
 12703  		return true
 12704  	}
 12705  	// match: (MSUB a (MOVDconst [c]) x)
 12706  	// cond: isPowerOfTwo64(c)
 12707  	// result: (SUBshiftLL a x [log64(c)])
 12708  	for {
 12709  		a := v_0
 12710  		if v_1.Op != OpARM64MOVDconst {
 12711  			break
 12712  		}
 12713  		c := auxIntToInt64(v_1.AuxInt)
 12714  		x := v_2
 12715  		if !(isPowerOfTwo64(c)) {
 12716  			break
 12717  		}
 12718  		v.reset(OpARM64SUBshiftLL)
 12719  		v.AuxInt = int64ToAuxInt(log64(c))
 12720  		v.AddArg2(a, x)
 12721  		return true
 12722  	}
 12723  	// match: (MSUB a (MOVDconst [c]) x)
 12724  	// cond: isPowerOfTwo64(c-1) && c>=3
 12725  	// result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)]))
 12726  	for {
 12727  		a := v_0
 12728  		if v_1.Op != OpARM64MOVDconst {
 12729  			break
 12730  		}
 12731  		c := auxIntToInt64(v_1.AuxInt)
 12732  		x := v_2
 12733  		if !(isPowerOfTwo64(c-1) && c >= 3) {
 12734  			break
 12735  		}
 12736  		v.reset(OpARM64SUB)
 12737  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12738  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
 12739  		v0.AddArg2(x, x)
 12740  		v.AddArg2(a, v0)
 12741  		return true
 12742  	}
 12743  	// match: (MSUB a (MOVDconst [c]) x)
 12744  	// cond: isPowerOfTwo64(c+1) && c>=7
 12745  	// result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)]))
 12746  	for {
 12747  		a := v_0
 12748  		if v_1.Op != OpARM64MOVDconst {
 12749  			break
 12750  		}
 12751  		c := auxIntToInt64(v_1.AuxInt)
 12752  		x := v_2
 12753  		if !(isPowerOfTwo64(c+1) && c >= 7) {
 12754  			break
 12755  		}
 12756  		v.reset(OpARM64ADD)
 12757  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12758  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
 12759  		v0.AddArg2(x, x)
 12760  		v.AddArg2(a, v0)
 12761  		return true
 12762  	}
 12763  	// match: (MSUB a (MOVDconst [c]) x)
 12764  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
 12765  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
 12766  	for {
 12767  		a := v_0
 12768  		if v_1.Op != OpARM64MOVDconst {
 12769  			break
 12770  		}
 12771  		c := auxIntToInt64(v_1.AuxInt)
 12772  		x := v_2
 12773  		if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
 12774  			break
 12775  		}
 12776  		v.reset(OpARM64ADDshiftLL)
 12777  		v.AuxInt = int64ToAuxInt(log64(c / 3))
 12778  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12779  		v0.AuxInt = int64ToAuxInt(2)
 12780  		v0.AddArg2(x, x)
 12781  		v.AddArg2(a, v0)
 12782  		return true
 12783  	}
 12784  	// match: (MSUB a (MOVDconst [c]) x)
 12785  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
 12786  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
 12787  	for {
 12788  		a := v_0
 12789  		if v_1.Op != OpARM64MOVDconst {
 12790  			break
 12791  		}
 12792  		c := auxIntToInt64(v_1.AuxInt)
 12793  		x := v_2
 12794  		if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
 12795  			break
 12796  		}
 12797  		v.reset(OpARM64SUBshiftLL)
 12798  		v.AuxInt = int64ToAuxInt(log64(c / 5))
 12799  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12800  		v0.AuxInt = int64ToAuxInt(2)
 12801  		v0.AddArg2(x, x)
 12802  		v.AddArg2(a, v0)
 12803  		return true
 12804  	}
 12805  	// match: (MSUB a (MOVDconst [c]) x)
 12806  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
 12807  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
 12808  	for {
 12809  		a := v_0
 12810  		if v_1.Op != OpARM64MOVDconst {
 12811  			break
 12812  		}
 12813  		c := auxIntToInt64(v_1.AuxInt)
 12814  		x := v_2
 12815  		if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
 12816  			break
 12817  		}
 12818  		v.reset(OpARM64ADDshiftLL)
 12819  		v.AuxInt = int64ToAuxInt(log64(c / 7))
 12820  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12821  		v0.AuxInt = int64ToAuxInt(3)
 12822  		v0.AddArg2(x, x)
 12823  		v.AddArg2(a, v0)
 12824  		return true
 12825  	}
 12826  	// match: (MSUB a (MOVDconst [c]) x)
 12827  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
 12828  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
 12829  	for {
 12830  		a := v_0
 12831  		if v_1.Op != OpARM64MOVDconst {
 12832  			break
 12833  		}
 12834  		c := auxIntToInt64(v_1.AuxInt)
 12835  		x := v_2
 12836  		if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
 12837  			break
 12838  		}
 12839  		v.reset(OpARM64SUBshiftLL)
 12840  		v.AuxInt = int64ToAuxInt(log64(c / 9))
 12841  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12842  		v0.AuxInt = int64ToAuxInt(3)
 12843  		v0.AddArg2(x, x)
 12844  		v.AddArg2(a, v0)
 12845  		return true
 12846  	}
 12847  	// match: (MSUB (MOVDconst [c]) x y)
 12848  	// result: (ADDconst [c] (MNEG <x.Type> x y))
 12849  	for {
 12850  		if v_0.Op != OpARM64MOVDconst {
 12851  			break
 12852  		}
 12853  		c := auxIntToInt64(v_0.AuxInt)
 12854  		x := v_1
 12855  		y := v_2
 12856  		v.reset(OpARM64ADDconst)
 12857  		v.AuxInt = int64ToAuxInt(c)
 12858  		v0 := b.NewValue0(v.Pos, OpARM64MNEG, x.Type)
 12859  		v0.AddArg2(x, y)
 12860  		v.AddArg(v0)
 12861  		return true
 12862  	}
 12863  	// match: (MSUB a (MOVDconst [c]) (MOVDconst [d]))
 12864  	// result: (SUBconst [c*d] a)
 12865  	for {
 12866  		a := v_0
 12867  		if v_1.Op != OpARM64MOVDconst {
 12868  			break
 12869  		}
 12870  		c := auxIntToInt64(v_1.AuxInt)
 12871  		if v_2.Op != OpARM64MOVDconst {
 12872  			break
 12873  		}
 12874  		d := auxIntToInt64(v_2.AuxInt)
 12875  		v.reset(OpARM64SUBconst)
 12876  		v.AuxInt = int64ToAuxInt(c * d)
 12877  		v.AddArg(a)
 12878  		return true
 12879  	}
 12880  	return false
 12881  }
 12882  func rewriteValueARM64_OpARM64MSUBW(v *Value) bool {
 12883  	v_2 := v.Args[2]
 12884  	v_1 := v.Args[1]
 12885  	v_0 := v.Args[0]
 12886  	b := v.Block
 12887  	// match: (MSUBW a x (MOVDconst [c]))
 12888  	// cond: int32(c)==-1
 12889  	// result: (MOVWUreg (ADD <a.Type> a x))
 12890  	for {
 12891  		a := v_0
 12892  		x := v_1
 12893  		if v_2.Op != OpARM64MOVDconst {
 12894  			break
 12895  		}
 12896  		c := auxIntToInt64(v_2.AuxInt)
 12897  		if !(int32(c) == -1) {
 12898  			break
 12899  		}
 12900  		v.reset(OpARM64MOVWUreg)
 12901  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 12902  		v0.AddArg2(a, x)
 12903  		v.AddArg(v0)
 12904  		return true
 12905  	}
 12906  	// match: (MSUBW a _ (MOVDconst [c]))
 12907  	// cond: int32(c)==0
 12908  	// result: (MOVWUreg a)
 12909  	for {
 12910  		a := v_0
 12911  		if v_2.Op != OpARM64MOVDconst {
 12912  			break
 12913  		}
 12914  		c := auxIntToInt64(v_2.AuxInt)
 12915  		if !(int32(c) == 0) {
 12916  			break
 12917  		}
 12918  		v.reset(OpARM64MOVWUreg)
 12919  		v.AddArg(a)
 12920  		return true
 12921  	}
 12922  	// match: (MSUBW a x (MOVDconst [c]))
 12923  	// cond: int32(c)==1
 12924  	// result: (MOVWUreg (SUB <a.Type> a x))
 12925  	for {
 12926  		a := v_0
 12927  		x := v_1
 12928  		if v_2.Op != OpARM64MOVDconst {
 12929  			break
 12930  		}
 12931  		c := auxIntToInt64(v_2.AuxInt)
 12932  		if !(int32(c) == 1) {
 12933  			break
 12934  		}
 12935  		v.reset(OpARM64MOVWUreg)
 12936  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 12937  		v0.AddArg2(a, x)
 12938  		v.AddArg(v0)
 12939  		return true
 12940  	}
 12941  	// match: (MSUBW a x (MOVDconst [c]))
 12942  	// cond: isPowerOfTwo64(c)
 12943  	// result: (MOVWUreg (SUBshiftLL <a.Type> a x [log64(c)]))
 12944  	for {
 12945  		a := v_0
 12946  		x := v_1
 12947  		if v_2.Op != OpARM64MOVDconst {
 12948  			break
 12949  		}
 12950  		c := auxIntToInt64(v_2.AuxInt)
 12951  		if !(isPowerOfTwo64(c)) {
 12952  			break
 12953  		}
 12954  		v.reset(OpARM64MOVWUreg)
 12955  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 12956  		v0.AuxInt = int64ToAuxInt(log64(c))
 12957  		v0.AddArg2(a, x)
 12958  		v.AddArg(v0)
 12959  		return true
 12960  	}
 12961  	// match: (MSUBW a x (MOVDconst [c]))
 12962  	// cond: isPowerOfTwo64(c-1) && int32(c)>=3
 12963  	// result: (MOVWUreg (SUB <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
 12964  	for {
 12965  		a := v_0
 12966  		x := v_1
 12967  		if v_2.Op != OpARM64MOVDconst {
 12968  			break
 12969  		}
 12970  		c := auxIntToInt64(v_2.AuxInt)
 12971  		if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
 12972  			break
 12973  		}
 12974  		v.reset(OpARM64MOVWUreg)
 12975  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 12976  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12977  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
 12978  		v1.AddArg2(x, x)
 12979  		v0.AddArg2(a, v1)
 12980  		v.AddArg(v0)
 12981  		return true
 12982  	}
 12983  	// match: (MSUBW a x (MOVDconst [c]))
 12984  	// cond: isPowerOfTwo64(c+1) && int32(c)>=7
 12985  	// result: (MOVWUreg (ADD <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
 12986  	for {
 12987  		a := v_0
 12988  		x := v_1
 12989  		if v_2.Op != OpARM64MOVDconst {
 12990  			break
 12991  		}
 12992  		c := auxIntToInt64(v_2.AuxInt)
 12993  		if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
 12994  			break
 12995  		}
 12996  		v.reset(OpARM64MOVWUreg)
 12997  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 12998  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12999  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
 13000  		v1.AddArg2(x, x)
 13001  		v0.AddArg2(a, v1)
 13002  		v.AddArg(v0)
 13003  		return true
 13004  	}
 13005  	// match: (MSUBW a x (MOVDconst [c]))
 13006  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
 13007  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
 13008  	for {
 13009  		a := v_0
 13010  		x := v_1
 13011  		if v_2.Op != OpARM64MOVDconst {
 13012  			break
 13013  		}
 13014  		c := auxIntToInt64(v_2.AuxInt)
 13015  		if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
 13016  			break
 13017  		}
 13018  		v.reset(OpARM64MOVWUreg)
 13019  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13020  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
 13021  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13022  		v1.AuxInt = int64ToAuxInt(2)
 13023  		v1.AddArg2(x, x)
 13024  		v0.AddArg2(a, v1)
 13025  		v.AddArg(v0)
 13026  		return true
 13027  	}
 13028  	// match: (MSUBW a x (MOVDconst [c]))
 13029  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
 13030  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
 13031  	for {
 13032  		a := v_0
 13033  		x := v_1
 13034  		if v_2.Op != OpARM64MOVDconst {
 13035  			break
 13036  		}
 13037  		c := auxIntToInt64(v_2.AuxInt)
 13038  		if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
 13039  			break
 13040  		}
 13041  		v.reset(OpARM64MOVWUreg)
 13042  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13043  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
 13044  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13045  		v1.AuxInt = int64ToAuxInt(2)
 13046  		v1.AddArg2(x, x)
 13047  		v0.AddArg2(a, v1)
 13048  		v.AddArg(v0)
 13049  		return true
 13050  	}
 13051  	// match: (MSUBW a x (MOVDconst [c]))
 13052  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
 13053  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
 13054  	for {
 13055  		a := v_0
 13056  		x := v_1
 13057  		if v_2.Op != OpARM64MOVDconst {
 13058  			break
 13059  		}
 13060  		c := auxIntToInt64(v_2.AuxInt)
 13061  		if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
 13062  			break
 13063  		}
 13064  		v.reset(OpARM64MOVWUreg)
 13065  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13066  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
 13067  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13068  		v1.AuxInt = int64ToAuxInt(3)
 13069  		v1.AddArg2(x, x)
 13070  		v0.AddArg2(a, v1)
 13071  		v.AddArg(v0)
 13072  		return true
 13073  	}
 13074  	// match: (MSUBW a x (MOVDconst [c]))
 13075  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
 13076  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
 13077  	for {
 13078  		a := v_0
 13079  		x := v_1
 13080  		if v_2.Op != OpARM64MOVDconst {
 13081  			break
 13082  		}
 13083  		c := auxIntToInt64(v_2.AuxInt)
 13084  		if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
 13085  			break
 13086  		}
 13087  		v.reset(OpARM64MOVWUreg)
 13088  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13089  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
 13090  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13091  		v1.AuxInt = int64ToAuxInt(3)
 13092  		v1.AddArg2(x, x)
 13093  		v0.AddArg2(a, v1)
 13094  		v.AddArg(v0)
 13095  		return true
 13096  	}
 13097  	// match: (MSUBW a (MOVDconst [c]) x)
 13098  	// cond: int32(c)==-1
 13099  	// result: (MOVWUreg (ADD <a.Type> a x))
 13100  	for {
 13101  		a := v_0
 13102  		if v_1.Op != OpARM64MOVDconst {
 13103  			break
 13104  		}
 13105  		c := auxIntToInt64(v_1.AuxInt)
 13106  		x := v_2
 13107  		if !(int32(c) == -1) {
 13108  			break
 13109  		}
 13110  		v.reset(OpARM64MOVWUreg)
 13111  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13112  		v0.AddArg2(a, x)
 13113  		v.AddArg(v0)
 13114  		return true
 13115  	}
 13116  	// match: (MSUBW a (MOVDconst [c]) _)
 13117  	// cond: int32(c)==0
 13118  	// result: (MOVWUreg a)
 13119  	for {
 13120  		a := v_0
 13121  		if v_1.Op != OpARM64MOVDconst {
 13122  			break
 13123  		}
 13124  		c := auxIntToInt64(v_1.AuxInt)
 13125  		if !(int32(c) == 0) {
 13126  			break
 13127  		}
 13128  		v.reset(OpARM64MOVWUreg)
 13129  		v.AddArg(a)
 13130  		return true
 13131  	}
 13132  	// match: (MSUBW a (MOVDconst [c]) x)
 13133  	// cond: int32(c)==1
 13134  	// result: (MOVWUreg (SUB <a.Type> a x))
 13135  	for {
 13136  		a := v_0
 13137  		if v_1.Op != OpARM64MOVDconst {
 13138  			break
 13139  		}
 13140  		c := auxIntToInt64(v_1.AuxInt)
 13141  		x := v_2
 13142  		if !(int32(c) == 1) {
 13143  			break
 13144  		}
 13145  		v.reset(OpARM64MOVWUreg)
 13146  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13147  		v0.AddArg2(a, x)
 13148  		v.AddArg(v0)
 13149  		return true
 13150  	}
 13151  	// match: (MSUBW a (MOVDconst [c]) x)
 13152  	// cond: isPowerOfTwo64(c)
 13153  	// result: (MOVWUreg (SUBshiftLL <a.Type> a x [log64(c)]))
 13154  	for {
 13155  		a := v_0
 13156  		if v_1.Op != OpARM64MOVDconst {
 13157  			break
 13158  		}
 13159  		c := auxIntToInt64(v_1.AuxInt)
 13160  		x := v_2
 13161  		if !(isPowerOfTwo64(c)) {
 13162  			break
 13163  		}
 13164  		v.reset(OpARM64MOVWUreg)
 13165  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13166  		v0.AuxInt = int64ToAuxInt(log64(c))
 13167  		v0.AddArg2(a, x)
 13168  		v.AddArg(v0)
 13169  		return true
 13170  	}
 13171  	// match: (MSUBW a (MOVDconst [c]) x)
 13172  	// cond: isPowerOfTwo64(c-1) && int32(c)>=3
 13173  	// result: (MOVWUreg (SUB <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
 13174  	for {
 13175  		a := v_0
 13176  		if v_1.Op != OpARM64MOVDconst {
 13177  			break
 13178  		}
 13179  		c := auxIntToInt64(v_1.AuxInt)
 13180  		x := v_2
 13181  		if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
 13182  			break
 13183  		}
 13184  		v.reset(OpARM64MOVWUreg)
 13185  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13186  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13187  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
 13188  		v1.AddArg2(x, x)
 13189  		v0.AddArg2(a, v1)
 13190  		v.AddArg(v0)
 13191  		return true
 13192  	}
 13193  	// match: (MSUBW a (MOVDconst [c]) x)
 13194  	// cond: isPowerOfTwo64(c+1) && int32(c)>=7
 13195  	// result: (MOVWUreg (ADD <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
 13196  	for {
 13197  		a := v_0
 13198  		if v_1.Op != OpARM64MOVDconst {
 13199  			break
 13200  		}
 13201  		c := auxIntToInt64(v_1.AuxInt)
 13202  		x := v_2
 13203  		if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
 13204  			break
 13205  		}
 13206  		v.reset(OpARM64MOVWUreg)
 13207  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13208  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13209  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
 13210  		v1.AddArg2(x, x)
 13211  		v0.AddArg2(a, v1)
 13212  		v.AddArg(v0)
 13213  		return true
 13214  	}
 13215  	// match: (MSUBW a (MOVDconst [c]) x)
 13216  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
 13217  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
 13218  	for {
 13219  		a := v_0
 13220  		if v_1.Op != OpARM64MOVDconst {
 13221  			break
 13222  		}
 13223  		c := auxIntToInt64(v_1.AuxInt)
 13224  		x := v_2
 13225  		if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
 13226  			break
 13227  		}
 13228  		v.reset(OpARM64MOVWUreg)
 13229  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13230  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
 13231  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13232  		v1.AuxInt = int64ToAuxInt(2)
 13233  		v1.AddArg2(x, x)
 13234  		v0.AddArg2(a, v1)
 13235  		v.AddArg(v0)
 13236  		return true
 13237  	}
 13238  	// match: (MSUBW a (MOVDconst [c]) x)
 13239  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
 13240  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
 13241  	for {
 13242  		a := v_0
 13243  		if v_1.Op != OpARM64MOVDconst {
 13244  			break
 13245  		}
 13246  		c := auxIntToInt64(v_1.AuxInt)
 13247  		x := v_2
 13248  		if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
 13249  			break
 13250  		}
 13251  		v.reset(OpARM64MOVWUreg)
 13252  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13253  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
 13254  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13255  		v1.AuxInt = int64ToAuxInt(2)
 13256  		v1.AddArg2(x, x)
 13257  		v0.AddArg2(a, v1)
 13258  		v.AddArg(v0)
 13259  		return true
 13260  	}
 13261  	// match: (MSUBW a (MOVDconst [c]) x)
 13262  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
 13263  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
 13264  	for {
 13265  		a := v_0
 13266  		if v_1.Op != OpARM64MOVDconst {
 13267  			break
 13268  		}
 13269  		c := auxIntToInt64(v_1.AuxInt)
 13270  		x := v_2
 13271  		if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
 13272  			break
 13273  		}
 13274  		v.reset(OpARM64MOVWUreg)
 13275  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13276  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
 13277  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13278  		v1.AuxInt = int64ToAuxInt(3)
 13279  		v1.AddArg2(x, x)
 13280  		v0.AddArg2(a, v1)
 13281  		v.AddArg(v0)
 13282  		return true
 13283  	}
 13284  	// match: (MSUBW a (MOVDconst [c]) x)
 13285  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
 13286  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
 13287  	for {
 13288  		a := v_0
 13289  		if v_1.Op != OpARM64MOVDconst {
 13290  			break
 13291  		}
 13292  		c := auxIntToInt64(v_1.AuxInt)
 13293  		x := v_2
 13294  		if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
 13295  			break
 13296  		}
 13297  		v.reset(OpARM64MOVWUreg)
 13298  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13299  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
 13300  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13301  		v1.AuxInt = int64ToAuxInt(3)
 13302  		v1.AddArg2(x, x)
 13303  		v0.AddArg2(a, v1)
 13304  		v.AddArg(v0)
 13305  		return true
 13306  	}
 13307  	// match: (MSUBW (MOVDconst [c]) x y)
 13308  	// result: (MOVWUreg (ADDconst <x.Type> [c] (MNEGW <x.Type> x y)))
 13309  	for {
 13310  		if v_0.Op != OpARM64MOVDconst {
 13311  			break
 13312  		}
 13313  		c := auxIntToInt64(v_0.AuxInt)
 13314  		x := v_1
 13315  		y := v_2
 13316  		v.reset(OpARM64MOVWUreg)
 13317  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, x.Type)
 13318  		v0.AuxInt = int64ToAuxInt(c)
 13319  		v1 := b.NewValue0(v.Pos, OpARM64MNEGW, x.Type)
 13320  		v1.AddArg2(x, y)
 13321  		v0.AddArg(v1)
 13322  		v.AddArg(v0)
 13323  		return true
 13324  	}
 13325  	// match: (MSUBW a (MOVDconst [c]) (MOVDconst [d]))
 13326  	// result: (MOVWUreg (SUBconst <a.Type> [c*d] a))
 13327  	for {
 13328  		a := v_0
 13329  		if v_1.Op != OpARM64MOVDconst {
 13330  			break
 13331  		}
 13332  		c := auxIntToInt64(v_1.AuxInt)
 13333  		if v_2.Op != OpARM64MOVDconst {
 13334  			break
 13335  		}
 13336  		d := auxIntToInt64(v_2.AuxInt)
 13337  		v.reset(OpARM64MOVWUreg)
 13338  		v0 := b.NewValue0(v.Pos, OpARM64SUBconst, a.Type)
 13339  		v0.AuxInt = int64ToAuxInt(c * d)
 13340  		v0.AddArg(a)
 13341  		v.AddArg(v0)
 13342  		return true
 13343  	}
 13344  	return false
 13345  }
 13346  func rewriteValueARM64_OpARM64MUL(v *Value) bool {
 13347  	v_1 := v.Args[1]
 13348  	v_0 := v.Args[0]
 13349  	b := v.Block
 13350  	// match: (MUL (NEG x) y)
 13351  	// result: (MNEG x y)
 13352  	for {
 13353  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13354  			if v_0.Op != OpARM64NEG {
 13355  				continue
 13356  			}
 13357  			x := v_0.Args[0]
 13358  			y := v_1
 13359  			v.reset(OpARM64MNEG)
 13360  			v.AddArg2(x, y)
 13361  			return true
 13362  		}
 13363  		break
 13364  	}
 13365  	// match: (MUL x (MOVDconst [-1]))
 13366  	// result: (NEG x)
 13367  	for {
 13368  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13369  			x := v_0
 13370  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
 13371  				continue
 13372  			}
 13373  			v.reset(OpARM64NEG)
 13374  			v.AddArg(x)
 13375  			return true
 13376  		}
 13377  		break
 13378  	}
 13379  	// match: (MUL _ (MOVDconst [0]))
 13380  	// result: (MOVDconst [0])
 13381  	for {
 13382  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13383  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 13384  				continue
 13385  			}
 13386  			v.reset(OpARM64MOVDconst)
 13387  			v.AuxInt = int64ToAuxInt(0)
 13388  			return true
 13389  		}
 13390  		break
 13391  	}
 13392  	// match: (MUL x (MOVDconst [1]))
 13393  	// result: x
 13394  	for {
 13395  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13396  			x := v_0
 13397  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 13398  				continue
 13399  			}
 13400  			v.copyOf(x)
 13401  			return true
 13402  		}
 13403  		break
 13404  	}
 13405  	// match: (MUL x (MOVDconst [c]))
 13406  	// cond: isPowerOfTwo64(c)
 13407  	// result: (SLLconst [log64(c)] x)
 13408  	for {
 13409  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13410  			x := v_0
 13411  			if v_1.Op != OpARM64MOVDconst {
 13412  				continue
 13413  			}
 13414  			c := auxIntToInt64(v_1.AuxInt)
 13415  			if !(isPowerOfTwo64(c)) {
 13416  				continue
 13417  			}
 13418  			v.reset(OpARM64SLLconst)
 13419  			v.AuxInt = int64ToAuxInt(log64(c))
 13420  			v.AddArg(x)
 13421  			return true
 13422  		}
 13423  		break
 13424  	}
 13425  	// match: (MUL x (MOVDconst [c]))
 13426  	// cond: isPowerOfTwo64(c-1) && c >= 3
 13427  	// result: (ADDshiftLL x x [log64(c-1)])
 13428  	for {
 13429  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13430  			x := v_0
 13431  			if v_1.Op != OpARM64MOVDconst {
 13432  				continue
 13433  			}
 13434  			c := auxIntToInt64(v_1.AuxInt)
 13435  			if !(isPowerOfTwo64(c-1) && c >= 3) {
 13436  				continue
 13437  			}
 13438  			v.reset(OpARM64ADDshiftLL)
 13439  			v.AuxInt = int64ToAuxInt(log64(c - 1))
 13440  			v.AddArg2(x, x)
 13441  			return true
 13442  		}
 13443  		break
 13444  	}
 13445  	// match: (MUL x (MOVDconst [c]))
 13446  	// cond: isPowerOfTwo64(c+1) && c >= 7
 13447  	// result: (ADDshiftLL (NEG <x.Type> x) x [log64(c+1)])
 13448  	for {
 13449  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13450  			x := v_0
 13451  			if v_1.Op != OpARM64MOVDconst {
 13452  				continue
 13453  			}
 13454  			c := auxIntToInt64(v_1.AuxInt)
 13455  			if !(isPowerOfTwo64(c+1) && c >= 7) {
 13456  				continue
 13457  			}
 13458  			v.reset(OpARM64ADDshiftLL)
 13459  			v.AuxInt = int64ToAuxInt(log64(c + 1))
 13460  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 13461  			v0.AddArg(x)
 13462  			v.AddArg2(v0, x)
 13463  			return true
 13464  		}
 13465  		break
 13466  	}
 13467  	// match: (MUL x (MOVDconst [c]))
 13468  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
 13469  	// result: (SLLconst [log64(c/3)] (ADDshiftLL <x.Type> x x [1]))
 13470  	for {
 13471  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13472  			x := v_0
 13473  			if v_1.Op != OpARM64MOVDconst {
 13474  				continue
 13475  			}
 13476  			c := auxIntToInt64(v_1.AuxInt)
 13477  			if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
 13478  				continue
 13479  			}
 13480  			v.reset(OpARM64SLLconst)
 13481  			v.AuxInt = int64ToAuxInt(log64(c / 3))
 13482  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13483  			v0.AuxInt = int64ToAuxInt(1)
 13484  			v0.AddArg2(x, x)
 13485  			v.AddArg(v0)
 13486  			return true
 13487  		}
 13488  		break
 13489  	}
 13490  	// match: (MUL x (MOVDconst [c]))
 13491  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
 13492  	// result: (SLLconst [log64(c/5)] (ADDshiftLL <x.Type> x x [2]))
 13493  	for {
 13494  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13495  			x := v_0
 13496  			if v_1.Op != OpARM64MOVDconst {
 13497  				continue
 13498  			}
 13499  			c := auxIntToInt64(v_1.AuxInt)
 13500  			if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
 13501  				continue
 13502  			}
 13503  			v.reset(OpARM64SLLconst)
 13504  			v.AuxInt = int64ToAuxInt(log64(c / 5))
 13505  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13506  			v0.AuxInt = int64ToAuxInt(2)
 13507  			v0.AddArg2(x, x)
 13508  			v.AddArg(v0)
 13509  			return true
 13510  		}
 13511  		break
 13512  	}
 13513  	// match: (MUL x (MOVDconst [c]))
 13514  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
 13515  	// result: (SLLconst [log64(c/7)] (ADDshiftLL <x.Type> (NEG <x.Type> x) x [3]))
 13516  	for {
 13517  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13518  			x := v_0
 13519  			if v_1.Op != OpARM64MOVDconst {
 13520  				continue
 13521  			}
 13522  			c := auxIntToInt64(v_1.AuxInt)
 13523  			if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
 13524  				continue
 13525  			}
 13526  			v.reset(OpARM64SLLconst)
 13527  			v.AuxInt = int64ToAuxInt(log64(c / 7))
 13528  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13529  			v0.AuxInt = int64ToAuxInt(3)
 13530  			v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 13531  			v1.AddArg(x)
 13532  			v0.AddArg2(v1, x)
 13533  			v.AddArg(v0)
 13534  			return true
 13535  		}
 13536  		break
 13537  	}
 13538  	// match: (MUL x (MOVDconst [c]))
 13539  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
 13540  	// result: (SLLconst [log64(c/9)] (ADDshiftLL <x.Type> x x [3]))
 13541  	for {
 13542  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13543  			x := v_0
 13544  			if v_1.Op != OpARM64MOVDconst {
 13545  				continue
 13546  			}
 13547  			c := auxIntToInt64(v_1.AuxInt)
 13548  			if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
 13549  				continue
 13550  			}
 13551  			v.reset(OpARM64SLLconst)
 13552  			v.AuxInt = int64ToAuxInt(log64(c / 9))
 13553  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13554  			v0.AuxInt = int64ToAuxInt(3)
 13555  			v0.AddArg2(x, x)
 13556  			v.AddArg(v0)
 13557  			return true
 13558  		}
 13559  		break
 13560  	}
 13561  	// match: (MUL (MOVDconst [c]) (MOVDconst [d]))
 13562  	// result: (MOVDconst [c*d])
 13563  	for {
 13564  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13565  			if v_0.Op != OpARM64MOVDconst {
 13566  				continue
 13567  			}
 13568  			c := auxIntToInt64(v_0.AuxInt)
 13569  			if v_1.Op != OpARM64MOVDconst {
 13570  				continue
 13571  			}
 13572  			d := auxIntToInt64(v_1.AuxInt)
 13573  			v.reset(OpARM64MOVDconst)
 13574  			v.AuxInt = int64ToAuxInt(c * d)
 13575  			return true
 13576  		}
 13577  		break
 13578  	}
 13579  	return false
 13580  }
 13581  func rewriteValueARM64_OpARM64MULW(v *Value) bool {
 13582  	v_1 := v.Args[1]
 13583  	v_0 := v.Args[0]
 13584  	b := v.Block
 13585  	// match: (MULW (NEG x) y)
 13586  	// result: (MNEGW x y)
 13587  	for {
 13588  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13589  			if v_0.Op != OpARM64NEG {
 13590  				continue
 13591  			}
 13592  			x := v_0.Args[0]
 13593  			y := v_1
 13594  			v.reset(OpARM64MNEGW)
 13595  			v.AddArg2(x, y)
 13596  			return true
 13597  		}
 13598  		break
 13599  	}
 13600  	// match: (MULW x (MOVDconst [c]))
 13601  	// cond: int32(c)==-1
 13602  	// result: (MOVWUreg (NEG <x.Type> x))
 13603  	for {
 13604  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13605  			x := v_0
 13606  			if v_1.Op != OpARM64MOVDconst {
 13607  				continue
 13608  			}
 13609  			c := auxIntToInt64(v_1.AuxInt)
 13610  			if !(int32(c) == -1) {
 13611  				continue
 13612  			}
 13613  			v.reset(OpARM64MOVWUreg)
 13614  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 13615  			v0.AddArg(x)
 13616  			v.AddArg(v0)
 13617  			return true
 13618  		}
 13619  		break
 13620  	}
 13621  	// match: (MULW _ (MOVDconst [c]))
 13622  	// cond: int32(c)==0
 13623  	// result: (MOVDconst [0])
 13624  	for {
 13625  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13626  			if v_1.Op != OpARM64MOVDconst {
 13627  				continue
 13628  			}
 13629  			c := auxIntToInt64(v_1.AuxInt)
 13630  			if !(int32(c) == 0) {
 13631  				continue
 13632  			}
 13633  			v.reset(OpARM64MOVDconst)
 13634  			v.AuxInt = int64ToAuxInt(0)
 13635  			return true
 13636  		}
 13637  		break
 13638  	}
 13639  	// match: (MULW x (MOVDconst [c]))
 13640  	// cond: int32(c)==1
 13641  	// result: (MOVWUreg x)
 13642  	for {
 13643  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13644  			x := v_0
 13645  			if v_1.Op != OpARM64MOVDconst {
 13646  				continue
 13647  			}
 13648  			c := auxIntToInt64(v_1.AuxInt)
 13649  			if !(int32(c) == 1) {
 13650  				continue
 13651  			}
 13652  			v.reset(OpARM64MOVWUreg)
 13653  			v.AddArg(x)
 13654  			return true
 13655  		}
 13656  		break
 13657  	}
 13658  	// match: (MULW x (MOVDconst [c]))
 13659  	// cond: isPowerOfTwo64(c)
 13660  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c)] x))
 13661  	for {
 13662  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13663  			x := v_0
 13664  			if v_1.Op != OpARM64MOVDconst {
 13665  				continue
 13666  			}
 13667  			c := auxIntToInt64(v_1.AuxInt)
 13668  			if !(isPowerOfTwo64(c)) {
 13669  				continue
 13670  			}
 13671  			v.reset(OpARM64MOVWUreg)
 13672  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 13673  			v0.AuxInt = int64ToAuxInt(log64(c))
 13674  			v0.AddArg(x)
 13675  			v.AddArg(v0)
 13676  			return true
 13677  		}
 13678  		break
 13679  	}
 13680  	// match: (MULW x (MOVDconst [c]))
 13681  	// cond: isPowerOfTwo64(c-1) && int32(c) >= 3
 13682  	// result: (MOVWUreg (ADDshiftLL <x.Type> x x [log64(c-1)]))
 13683  	for {
 13684  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13685  			x := v_0
 13686  			if v_1.Op != OpARM64MOVDconst {
 13687  				continue
 13688  			}
 13689  			c := auxIntToInt64(v_1.AuxInt)
 13690  			if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
 13691  				continue
 13692  			}
 13693  			v.reset(OpARM64MOVWUreg)
 13694  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13695  			v0.AuxInt = int64ToAuxInt(log64(c - 1))
 13696  			v0.AddArg2(x, x)
 13697  			v.AddArg(v0)
 13698  			return true
 13699  		}
 13700  		break
 13701  	}
 13702  	// match: (MULW x (MOVDconst [c]))
 13703  	// cond: isPowerOfTwo64(c+1) && int32(c) >= 7
 13704  	// result: (MOVWUreg (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)]))
 13705  	for {
 13706  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13707  			x := v_0
 13708  			if v_1.Op != OpARM64MOVDconst {
 13709  				continue
 13710  			}
 13711  			c := auxIntToInt64(v_1.AuxInt)
 13712  			if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
 13713  				continue
 13714  			}
 13715  			v.reset(OpARM64MOVWUreg)
 13716  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13717  			v0.AuxInt = int64ToAuxInt(log64(c + 1))
 13718  			v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 13719  			v1.AddArg(x)
 13720  			v0.AddArg2(v1, x)
 13721  			v.AddArg(v0)
 13722  			return true
 13723  		}
 13724  		break
 13725  	}
 13726  	// match: (MULW x (MOVDconst [c]))
 13727  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
 13728  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/3)] (ADDshiftLL <x.Type> x x [1])))
 13729  	for {
 13730  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13731  			x := v_0
 13732  			if v_1.Op != OpARM64MOVDconst {
 13733  				continue
 13734  			}
 13735  			c := auxIntToInt64(v_1.AuxInt)
 13736  			if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
 13737  				continue
 13738  			}
 13739  			v.reset(OpARM64MOVWUreg)
 13740  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 13741  			v0.AuxInt = int64ToAuxInt(log64(c / 3))
 13742  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13743  			v1.AuxInt = int64ToAuxInt(1)
 13744  			v1.AddArg2(x, x)
 13745  			v0.AddArg(v1)
 13746  			v.AddArg(v0)
 13747  			return true
 13748  		}
 13749  		break
 13750  	}
 13751  	// match: (MULW x (MOVDconst [c]))
 13752  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
 13753  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2])))
 13754  	for {
 13755  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13756  			x := v_0
 13757  			if v_1.Op != OpARM64MOVDconst {
 13758  				continue
 13759  			}
 13760  			c := auxIntToInt64(v_1.AuxInt)
 13761  			if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
 13762  				continue
 13763  			}
 13764  			v.reset(OpARM64MOVWUreg)
 13765  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 13766  			v0.AuxInt = int64ToAuxInt(log64(c / 5))
 13767  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13768  			v1.AuxInt = int64ToAuxInt(2)
 13769  			v1.AddArg2(x, x)
 13770  			v0.AddArg(v1)
 13771  			v.AddArg(v0)
 13772  			return true
 13773  		}
 13774  		break
 13775  	}
 13776  	// match: (MULW x (MOVDconst [c]))
 13777  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
 13778  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/7)] (ADDshiftLL <x.Type> (NEG <x.Type> x) x [3])))
 13779  	for {
 13780  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13781  			x := v_0
 13782  			if v_1.Op != OpARM64MOVDconst {
 13783  				continue
 13784  			}
 13785  			c := auxIntToInt64(v_1.AuxInt)
 13786  			if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
 13787  				continue
 13788  			}
 13789  			v.reset(OpARM64MOVWUreg)
 13790  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 13791  			v0.AuxInt = int64ToAuxInt(log64(c / 7))
 13792  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13793  			v1.AuxInt = int64ToAuxInt(3)
 13794  			v2 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 13795  			v2.AddArg(x)
 13796  			v1.AddArg2(v2, x)
 13797  			v0.AddArg(v1)
 13798  			v.AddArg(v0)
 13799  			return true
 13800  		}
 13801  		break
 13802  	}
 13803  	// match: (MULW x (MOVDconst [c]))
 13804  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
 13805  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3])))
 13806  	for {
 13807  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13808  			x := v_0
 13809  			if v_1.Op != OpARM64MOVDconst {
 13810  				continue
 13811  			}
 13812  			c := auxIntToInt64(v_1.AuxInt)
 13813  			if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
 13814  				continue
 13815  			}
 13816  			v.reset(OpARM64MOVWUreg)
 13817  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 13818  			v0.AuxInt = int64ToAuxInt(log64(c / 9))
 13819  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13820  			v1.AuxInt = int64ToAuxInt(3)
 13821  			v1.AddArg2(x, x)
 13822  			v0.AddArg(v1)
 13823  			v.AddArg(v0)
 13824  			return true
 13825  		}
 13826  		break
 13827  	}
 13828  	// match: (MULW (MOVDconst [c]) (MOVDconst [d]))
 13829  	// result: (MOVDconst [int64(uint32(c*d))])
 13830  	for {
 13831  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13832  			if v_0.Op != OpARM64MOVDconst {
 13833  				continue
 13834  			}
 13835  			c := auxIntToInt64(v_0.AuxInt)
 13836  			if v_1.Op != OpARM64MOVDconst {
 13837  				continue
 13838  			}
 13839  			d := auxIntToInt64(v_1.AuxInt)
 13840  			v.reset(OpARM64MOVDconst)
 13841  			v.AuxInt = int64ToAuxInt(int64(uint32(c * d)))
 13842  			return true
 13843  		}
 13844  		break
 13845  	}
 13846  	return false
 13847  }
 13848  func rewriteValueARM64_OpARM64MVN(v *Value) bool {
 13849  	v_0 := v.Args[0]
 13850  	// match: (MVN (XOR x y))
 13851  	// result: (EON x y)
 13852  	for {
 13853  		if v_0.Op != OpARM64XOR {
 13854  			break
 13855  		}
 13856  		y := v_0.Args[1]
 13857  		x := v_0.Args[0]
 13858  		v.reset(OpARM64EON)
 13859  		v.AddArg2(x, y)
 13860  		return true
 13861  	}
 13862  	// match: (MVN (MOVDconst [c]))
 13863  	// result: (MOVDconst [^c])
 13864  	for {
 13865  		if v_0.Op != OpARM64MOVDconst {
 13866  			break
 13867  		}
 13868  		c := auxIntToInt64(v_0.AuxInt)
 13869  		v.reset(OpARM64MOVDconst)
 13870  		v.AuxInt = int64ToAuxInt(^c)
 13871  		return true
 13872  	}
 13873  	// match: (MVN x:(SLLconst [c] y))
 13874  	// cond: clobberIfDead(x)
 13875  	// result: (MVNshiftLL [c] y)
 13876  	for {
 13877  		x := v_0
 13878  		if x.Op != OpARM64SLLconst {
 13879  			break
 13880  		}
 13881  		c := auxIntToInt64(x.AuxInt)
 13882  		y := x.Args[0]
 13883  		if !(clobberIfDead(x)) {
 13884  			break
 13885  		}
 13886  		v.reset(OpARM64MVNshiftLL)
 13887  		v.AuxInt = int64ToAuxInt(c)
 13888  		v.AddArg(y)
 13889  		return true
 13890  	}
 13891  	// match: (MVN x:(SRLconst [c] y))
 13892  	// cond: clobberIfDead(x)
 13893  	// result: (MVNshiftRL [c] y)
 13894  	for {
 13895  		x := v_0
 13896  		if x.Op != OpARM64SRLconst {
 13897  			break
 13898  		}
 13899  		c := auxIntToInt64(x.AuxInt)
 13900  		y := x.Args[0]
 13901  		if !(clobberIfDead(x)) {
 13902  			break
 13903  		}
 13904  		v.reset(OpARM64MVNshiftRL)
 13905  		v.AuxInt = int64ToAuxInt(c)
 13906  		v.AddArg(y)
 13907  		return true
 13908  	}
 13909  	// match: (MVN x:(SRAconst [c] y))
 13910  	// cond: clobberIfDead(x)
 13911  	// result: (MVNshiftRA [c] y)
 13912  	for {
 13913  		x := v_0
 13914  		if x.Op != OpARM64SRAconst {
 13915  			break
 13916  		}
 13917  		c := auxIntToInt64(x.AuxInt)
 13918  		y := x.Args[0]
 13919  		if !(clobberIfDead(x)) {
 13920  			break
 13921  		}
 13922  		v.reset(OpARM64MVNshiftRA)
 13923  		v.AuxInt = int64ToAuxInt(c)
 13924  		v.AddArg(y)
 13925  		return true
 13926  	}
 13927  	// match: (MVN x:(RORconst [c] y))
 13928  	// cond: clobberIfDead(x)
 13929  	// result: (MVNshiftRO [c] y)
 13930  	for {
 13931  		x := v_0
 13932  		if x.Op != OpARM64RORconst {
 13933  			break
 13934  		}
 13935  		c := auxIntToInt64(x.AuxInt)
 13936  		y := x.Args[0]
 13937  		if !(clobberIfDead(x)) {
 13938  			break
 13939  		}
 13940  		v.reset(OpARM64MVNshiftRO)
 13941  		v.AuxInt = int64ToAuxInt(c)
 13942  		v.AddArg(y)
 13943  		return true
 13944  	}
 13945  	return false
 13946  }
 13947  func rewriteValueARM64_OpARM64MVNshiftLL(v *Value) bool {
 13948  	v_0 := v.Args[0]
 13949  	// match: (MVNshiftLL (MOVDconst [c]) [d])
 13950  	// result: (MOVDconst [^int64(uint64(c)<<uint64(d))])
 13951  	for {
 13952  		d := auxIntToInt64(v.AuxInt)
 13953  		if v_0.Op != OpARM64MOVDconst {
 13954  			break
 13955  		}
 13956  		c := auxIntToInt64(v_0.AuxInt)
 13957  		v.reset(OpARM64MOVDconst)
 13958  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
 13959  		return true
 13960  	}
 13961  	return false
 13962  }
 13963  func rewriteValueARM64_OpARM64MVNshiftRA(v *Value) bool {
 13964  	v_0 := v.Args[0]
 13965  	// match: (MVNshiftRA (MOVDconst [c]) [d])
 13966  	// result: (MOVDconst [^(c>>uint64(d))])
 13967  	for {
 13968  		d := auxIntToInt64(v.AuxInt)
 13969  		if v_0.Op != OpARM64MOVDconst {
 13970  			break
 13971  		}
 13972  		c := auxIntToInt64(v_0.AuxInt)
 13973  		v.reset(OpARM64MOVDconst)
 13974  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
 13975  		return true
 13976  	}
 13977  	return false
 13978  }
 13979  func rewriteValueARM64_OpARM64MVNshiftRL(v *Value) bool {
 13980  	v_0 := v.Args[0]
 13981  	// match: (MVNshiftRL (MOVDconst [c]) [d])
 13982  	// result: (MOVDconst [^int64(uint64(c)>>uint64(d))])
 13983  	for {
 13984  		d := auxIntToInt64(v.AuxInt)
 13985  		if v_0.Op != OpARM64MOVDconst {
 13986  			break
 13987  		}
 13988  		c := auxIntToInt64(v_0.AuxInt)
 13989  		v.reset(OpARM64MOVDconst)
 13990  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
 13991  		return true
 13992  	}
 13993  	return false
 13994  }
 13995  func rewriteValueARM64_OpARM64MVNshiftRO(v *Value) bool {
 13996  	v_0 := v.Args[0]
 13997  	// match: (MVNshiftRO (MOVDconst [c]) [d])
 13998  	// result: (MOVDconst [^rotateRight64(c, d)])
 13999  	for {
 14000  		d := auxIntToInt64(v.AuxInt)
 14001  		if v_0.Op != OpARM64MOVDconst {
 14002  			break
 14003  		}
 14004  		c := auxIntToInt64(v_0.AuxInt)
 14005  		v.reset(OpARM64MOVDconst)
 14006  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
 14007  		return true
 14008  	}
 14009  	return false
 14010  }
 14011  func rewriteValueARM64_OpARM64NEG(v *Value) bool {
 14012  	v_0 := v.Args[0]
 14013  	// match: (NEG (MUL x y))
 14014  	// result: (MNEG x y)
 14015  	for {
 14016  		if v_0.Op != OpARM64MUL {
 14017  			break
 14018  		}
 14019  		y := v_0.Args[1]
 14020  		x := v_0.Args[0]
 14021  		v.reset(OpARM64MNEG)
 14022  		v.AddArg2(x, y)
 14023  		return true
 14024  	}
 14025  	// match: (NEG (MULW x y))
 14026  	// cond: v.Type.Size() <= 4
 14027  	// result: (MNEGW x y)
 14028  	for {
 14029  		if v_0.Op != OpARM64MULW {
 14030  			break
 14031  		}
 14032  		y := v_0.Args[1]
 14033  		x := v_0.Args[0]
 14034  		if !(v.Type.Size() <= 4) {
 14035  			break
 14036  		}
 14037  		v.reset(OpARM64MNEGW)
 14038  		v.AddArg2(x, y)
 14039  		return true
 14040  	}
 14041  	// match: (NEG (NEG x))
 14042  	// result: x
 14043  	for {
 14044  		if v_0.Op != OpARM64NEG {
 14045  			break
 14046  		}
 14047  		x := v_0.Args[0]
 14048  		v.copyOf(x)
 14049  		return true
 14050  	}
 14051  	// match: (NEG (MOVDconst [c]))
 14052  	// result: (MOVDconst [-c])
 14053  	for {
 14054  		if v_0.Op != OpARM64MOVDconst {
 14055  			break
 14056  		}
 14057  		c := auxIntToInt64(v_0.AuxInt)
 14058  		v.reset(OpARM64MOVDconst)
 14059  		v.AuxInt = int64ToAuxInt(-c)
 14060  		return true
 14061  	}
 14062  	// match: (NEG x:(SLLconst [c] y))
 14063  	// cond: clobberIfDead(x)
 14064  	// result: (NEGshiftLL [c] y)
 14065  	for {
 14066  		x := v_0
 14067  		if x.Op != OpARM64SLLconst {
 14068  			break
 14069  		}
 14070  		c := auxIntToInt64(x.AuxInt)
 14071  		y := x.Args[0]
 14072  		if !(clobberIfDead(x)) {
 14073  			break
 14074  		}
 14075  		v.reset(OpARM64NEGshiftLL)
 14076  		v.AuxInt = int64ToAuxInt(c)
 14077  		v.AddArg(y)
 14078  		return true
 14079  	}
 14080  	// match: (NEG x:(SRLconst [c] y))
 14081  	// cond: clobberIfDead(x)
 14082  	// result: (NEGshiftRL [c] y)
 14083  	for {
 14084  		x := v_0
 14085  		if x.Op != OpARM64SRLconst {
 14086  			break
 14087  		}
 14088  		c := auxIntToInt64(x.AuxInt)
 14089  		y := x.Args[0]
 14090  		if !(clobberIfDead(x)) {
 14091  			break
 14092  		}
 14093  		v.reset(OpARM64NEGshiftRL)
 14094  		v.AuxInt = int64ToAuxInt(c)
 14095  		v.AddArg(y)
 14096  		return true
 14097  	}
 14098  	// match: (NEG x:(SRAconst [c] y))
 14099  	// cond: clobberIfDead(x)
 14100  	// result: (NEGshiftRA [c] y)
 14101  	for {
 14102  		x := v_0
 14103  		if x.Op != OpARM64SRAconst {
 14104  			break
 14105  		}
 14106  		c := auxIntToInt64(x.AuxInt)
 14107  		y := x.Args[0]
 14108  		if !(clobberIfDead(x)) {
 14109  			break
 14110  		}
 14111  		v.reset(OpARM64NEGshiftRA)
 14112  		v.AuxInt = int64ToAuxInt(c)
 14113  		v.AddArg(y)
 14114  		return true
 14115  	}
 14116  	return false
 14117  }
 14118  func rewriteValueARM64_OpARM64NEGshiftLL(v *Value) bool {
 14119  	v_0 := v.Args[0]
 14120  	// match: (NEGshiftLL (MOVDconst [c]) [d])
 14121  	// result: (MOVDconst [-int64(uint64(c)<<uint64(d))])
 14122  	for {
 14123  		d := auxIntToInt64(v.AuxInt)
 14124  		if v_0.Op != OpARM64MOVDconst {
 14125  			break
 14126  		}
 14127  		c := auxIntToInt64(v_0.AuxInt)
 14128  		v.reset(OpARM64MOVDconst)
 14129  		v.AuxInt = int64ToAuxInt(-int64(uint64(c) << uint64(d)))
 14130  		return true
 14131  	}
 14132  	return false
 14133  }
 14134  func rewriteValueARM64_OpARM64NEGshiftRA(v *Value) bool {
 14135  	v_0 := v.Args[0]
 14136  	// match: (NEGshiftRA (MOVDconst [c]) [d])
 14137  	// result: (MOVDconst [-(c>>uint64(d))])
 14138  	for {
 14139  		d := auxIntToInt64(v.AuxInt)
 14140  		if v_0.Op != OpARM64MOVDconst {
 14141  			break
 14142  		}
 14143  		c := auxIntToInt64(v_0.AuxInt)
 14144  		v.reset(OpARM64MOVDconst)
 14145  		v.AuxInt = int64ToAuxInt(-(c >> uint64(d)))
 14146  		return true
 14147  	}
 14148  	return false
 14149  }
 14150  func rewriteValueARM64_OpARM64NEGshiftRL(v *Value) bool {
 14151  	v_0 := v.Args[0]
 14152  	// match: (NEGshiftRL (MOVDconst [c]) [d])
 14153  	// result: (MOVDconst [-int64(uint64(c)>>uint64(d))])
 14154  	for {
 14155  		d := auxIntToInt64(v.AuxInt)
 14156  		if v_0.Op != OpARM64MOVDconst {
 14157  			break
 14158  		}
 14159  		c := auxIntToInt64(v_0.AuxInt)
 14160  		v.reset(OpARM64MOVDconst)
 14161  		v.AuxInt = int64ToAuxInt(-int64(uint64(c) >> uint64(d)))
 14162  		return true
 14163  	}
 14164  	return false
 14165  }
 14166  func rewriteValueARM64_OpARM64NotEqual(v *Value) bool {
 14167  	v_0 := v.Args[0]
 14168  	b := v.Block
 14169  	// match: (NotEqual (CMPconst [0] z:(AND x y)))
 14170  	// cond: z.Uses == 1
 14171  	// result: (NotEqual (TST x y))
 14172  	for {
 14173  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14174  			break
 14175  		}
 14176  		z := v_0.Args[0]
 14177  		if z.Op != OpARM64AND {
 14178  			break
 14179  		}
 14180  		y := z.Args[1]
 14181  		x := z.Args[0]
 14182  		if !(z.Uses == 1) {
 14183  			break
 14184  		}
 14185  		v.reset(OpARM64NotEqual)
 14186  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
 14187  		v0.AddArg2(x, y)
 14188  		v.AddArg(v0)
 14189  		return true
 14190  	}
 14191  	// match: (NotEqual (CMPWconst [0] x:(ANDconst [c] y)))
 14192  	// cond: x.Uses == 1
 14193  	// result: (NotEqual (TSTWconst [int32(c)] y))
 14194  	for {
 14195  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14196  			break
 14197  		}
 14198  		x := v_0.Args[0]
 14199  		if x.Op != OpARM64ANDconst {
 14200  			break
 14201  		}
 14202  		c := auxIntToInt64(x.AuxInt)
 14203  		y := x.Args[0]
 14204  		if !(x.Uses == 1) {
 14205  			break
 14206  		}
 14207  		v.reset(OpARM64NotEqual)
 14208  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
 14209  		v0.AuxInt = int32ToAuxInt(int32(c))
 14210  		v0.AddArg(y)
 14211  		v.AddArg(v0)
 14212  		return true
 14213  	}
 14214  	// match: (NotEqual (CMPWconst [0] z:(AND x y)))
 14215  	// cond: z.Uses == 1
 14216  	// result: (NotEqual (TSTW x y))
 14217  	for {
 14218  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14219  			break
 14220  		}
 14221  		z := v_0.Args[0]
 14222  		if z.Op != OpARM64AND {
 14223  			break
 14224  		}
 14225  		y := z.Args[1]
 14226  		x := z.Args[0]
 14227  		if !(z.Uses == 1) {
 14228  			break
 14229  		}
 14230  		v.reset(OpARM64NotEqual)
 14231  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
 14232  		v0.AddArg2(x, y)
 14233  		v.AddArg(v0)
 14234  		return true
 14235  	}
 14236  	// match: (NotEqual (CMPconst [0] x:(ANDconst [c] y)))
 14237  	// cond: x.Uses == 1
 14238  	// result: (NotEqual (TSTconst [c] y))
 14239  	for {
 14240  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14241  			break
 14242  		}
 14243  		x := v_0.Args[0]
 14244  		if x.Op != OpARM64ANDconst {
 14245  			break
 14246  		}
 14247  		c := auxIntToInt64(x.AuxInt)
 14248  		y := x.Args[0]
 14249  		if !(x.Uses == 1) {
 14250  			break
 14251  		}
 14252  		v.reset(OpARM64NotEqual)
 14253  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
 14254  		v0.AuxInt = int64ToAuxInt(c)
 14255  		v0.AddArg(y)
 14256  		v.AddArg(v0)
 14257  		return true
 14258  	}
 14259  	// match: (NotEqual (CMP x z:(NEG y)))
 14260  	// cond: z.Uses == 1
 14261  	// result: (NotEqual (CMN x y))
 14262  	for {
 14263  		if v_0.Op != OpARM64CMP {
 14264  			break
 14265  		}
 14266  		_ = v_0.Args[1]
 14267  		x := v_0.Args[0]
 14268  		z := v_0.Args[1]
 14269  		if z.Op != OpARM64NEG {
 14270  			break
 14271  		}
 14272  		y := z.Args[0]
 14273  		if !(z.Uses == 1) {
 14274  			break
 14275  		}
 14276  		v.reset(OpARM64NotEqual)
 14277  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 14278  		v0.AddArg2(x, y)
 14279  		v.AddArg(v0)
 14280  		return true
 14281  	}
 14282  	// match: (NotEqual (CMPW x z:(NEG y)))
 14283  	// cond: z.Uses == 1
 14284  	// result: (NotEqual (CMNW x y))
 14285  	for {
 14286  		if v_0.Op != OpARM64CMPW {
 14287  			break
 14288  		}
 14289  		_ = v_0.Args[1]
 14290  		x := v_0.Args[0]
 14291  		z := v_0.Args[1]
 14292  		if z.Op != OpARM64NEG {
 14293  			break
 14294  		}
 14295  		y := z.Args[0]
 14296  		if !(z.Uses == 1) {
 14297  			break
 14298  		}
 14299  		v.reset(OpARM64NotEqual)
 14300  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 14301  		v0.AddArg2(x, y)
 14302  		v.AddArg(v0)
 14303  		return true
 14304  	}
 14305  	// match: (NotEqual (CMPconst [0] x:(ADDconst [c] y)))
 14306  	// cond: x.Uses == 1
 14307  	// result: (NotEqual (CMNconst [c] y))
 14308  	for {
 14309  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14310  			break
 14311  		}
 14312  		x := v_0.Args[0]
 14313  		if x.Op != OpARM64ADDconst {
 14314  			break
 14315  		}
 14316  		c := auxIntToInt64(x.AuxInt)
 14317  		y := x.Args[0]
 14318  		if !(x.Uses == 1) {
 14319  			break
 14320  		}
 14321  		v.reset(OpARM64NotEqual)
 14322  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
 14323  		v0.AuxInt = int64ToAuxInt(c)
 14324  		v0.AddArg(y)
 14325  		v.AddArg(v0)
 14326  		return true
 14327  	}
 14328  	// match: (NotEqual (CMPWconst [0] x:(ADDconst [c] y)))
 14329  	// cond: x.Uses == 1
 14330  	// result: (NotEqual (CMNWconst [int32(c)] y))
 14331  	for {
 14332  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14333  			break
 14334  		}
 14335  		x := v_0.Args[0]
 14336  		if x.Op != OpARM64ADDconst {
 14337  			break
 14338  		}
 14339  		c := auxIntToInt64(x.AuxInt)
 14340  		y := x.Args[0]
 14341  		if !(x.Uses == 1) {
 14342  			break
 14343  		}
 14344  		v.reset(OpARM64NotEqual)
 14345  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
 14346  		v0.AuxInt = int32ToAuxInt(int32(c))
 14347  		v0.AddArg(y)
 14348  		v.AddArg(v0)
 14349  		return true
 14350  	}
 14351  	// match: (NotEqual (CMPconst [0] z:(ADD x y)))
 14352  	// cond: z.Uses == 1
 14353  	// result: (NotEqual (CMN x y))
 14354  	for {
 14355  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14356  			break
 14357  		}
 14358  		z := v_0.Args[0]
 14359  		if z.Op != OpARM64ADD {
 14360  			break
 14361  		}
 14362  		y := z.Args[1]
 14363  		x := z.Args[0]
 14364  		if !(z.Uses == 1) {
 14365  			break
 14366  		}
 14367  		v.reset(OpARM64NotEqual)
 14368  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 14369  		v0.AddArg2(x, y)
 14370  		v.AddArg(v0)
 14371  		return true
 14372  	}
 14373  	// match: (NotEqual (CMPWconst [0] z:(ADD x y)))
 14374  	// cond: z.Uses == 1
 14375  	// result: (NotEqual (CMNW x y))
 14376  	for {
 14377  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14378  			break
 14379  		}
 14380  		z := v_0.Args[0]
 14381  		if z.Op != OpARM64ADD {
 14382  			break
 14383  		}
 14384  		y := z.Args[1]
 14385  		x := z.Args[0]
 14386  		if !(z.Uses == 1) {
 14387  			break
 14388  		}
 14389  		v.reset(OpARM64NotEqual)
 14390  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 14391  		v0.AddArg2(x, y)
 14392  		v.AddArg(v0)
 14393  		return true
 14394  	}
 14395  	// match: (NotEqual (CMPconst [0] z:(MADD a x y)))
 14396  	// cond: z.Uses == 1
 14397  	// result: (NotEqual (CMN a (MUL <x.Type> x y)))
 14398  	for {
 14399  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14400  			break
 14401  		}
 14402  		z := v_0.Args[0]
 14403  		if z.Op != OpARM64MADD {
 14404  			break
 14405  		}
 14406  		y := z.Args[2]
 14407  		a := z.Args[0]
 14408  		x := z.Args[1]
 14409  		if !(z.Uses == 1) {
 14410  			break
 14411  		}
 14412  		v.reset(OpARM64NotEqual)
 14413  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 14414  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
 14415  		v1.AddArg2(x, y)
 14416  		v0.AddArg2(a, v1)
 14417  		v.AddArg(v0)
 14418  		return true
 14419  	}
 14420  	// match: (NotEqual (CMPconst [0] z:(MSUB a x y)))
 14421  	// cond: z.Uses == 1
 14422  	// result: (NotEqual (CMP a (MUL <x.Type> x y)))
 14423  	for {
 14424  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14425  			break
 14426  		}
 14427  		z := v_0.Args[0]
 14428  		if z.Op != OpARM64MSUB {
 14429  			break
 14430  		}
 14431  		y := z.Args[2]
 14432  		a := z.Args[0]
 14433  		x := z.Args[1]
 14434  		if !(z.Uses == 1) {
 14435  			break
 14436  		}
 14437  		v.reset(OpARM64NotEqual)
 14438  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 14439  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
 14440  		v1.AddArg2(x, y)
 14441  		v0.AddArg2(a, v1)
 14442  		v.AddArg(v0)
 14443  		return true
 14444  	}
 14445  	// match: (NotEqual (CMPWconst [0] z:(MADDW a x y)))
 14446  	// cond: z.Uses == 1
 14447  	// result: (NotEqual (CMNW a (MULW <x.Type> x y)))
 14448  	for {
 14449  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14450  			break
 14451  		}
 14452  		z := v_0.Args[0]
 14453  		if z.Op != OpARM64MADDW {
 14454  			break
 14455  		}
 14456  		y := z.Args[2]
 14457  		a := z.Args[0]
 14458  		x := z.Args[1]
 14459  		if !(z.Uses == 1) {
 14460  			break
 14461  		}
 14462  		v.reset(OpARM64NotEqual)
 14463  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 14464  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
 14465  		v1.AddArg2(x, y)
 14466  		v0.AddArg2(a, v1)
 14467  		v.AddArg(v0)
 14468  		return true
 14469  	}
 14470  	// match: (NotEqual (CMPWconst [0] z:(MSUBW a x y)))
 14471  	// cond: z.Uses == 1
 14472  	// result: (NotEqual (CMPW a (MULW <x.Type> x y)))
 14473  	for {
 14474  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14475  			break
 14476  		}
 14477  		z := v_0.Args[0]
 14478  		if z.Op != OpARM64MSUBW {
 14479  			break
 14480  		}
 14481  		y := z.Args[2]
 14482  		a := z.Args[0]
 14483  		x := z.Args[1]
 14484  		if !(z.Uses == 1) {
 14485  			break
 14486  		}
 14487  		v.reset(OpARM64NotEqual)
 14488  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 14489  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
 14490  		v1.AddArg2(x, y)
 14491  		v0.AddArg2(a, v1)
 14492  		v.AddArg(v0)
 14493  		return true
 14494  	}
 14495  	// match: (NotEqual (FlagConstant [fc]))
 14496  	// result: (MOVDconst [b2i(fc.ne())])
 14497  	for {
 14498  		if v_0.Op != OpARM64FlagConstant {
 14499  			break
 14500  		}
 14501  		fc := auxIntToFlagConstant(v_0.AuxInt)
 14502  		v.reset(OpARM64MOVDconst)
 14503  		v.AuxInt = int64ToAuxInt(b2i(fc.ne()))
 14504  		return true
 14505  	}
 14506  	// match: (NotEqual (InvertFlags x))
 14507  	// result: (NotEqual x)
 14508  	for {
 14509  		if v_0.Op != OpARM64InvertFlags {
 14510  			break
 14511  		}
 14512  		x := v_0.Args[0]
 14513  		v.reset(OpARM64NotEqual)
 14514  		v.AddArg(x)
 14515  		return true
 14516  	}
 14517  	return false
 14518  }
 14519  func rewriteValueARM64_OpARM64OR(v *Value) bool {
 14520  	v_1 := v.Args[1]
 14521  	v_0 := v.Args[0]
 14522  	// match: (OR x (MOVDconst [c]))
 14523  	// result: (ORconst [c] x)
 14524  	for {
 14525  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14526  			x := v_0
 14527  			if v_1.Op != OpARM64MOVDconst {
 14528  				continue
 14529  			}
 14530  			c := auxIntToInt64(v_1.AuxInt)
 14531  			v.reset(OpARM64ORconst)
 14532  			v.AuxInt = int64ToAuxInt(c)
 14533  			v.AddArg(x)
 14534  			return true
 14535  		}
 14536  		break
 14537  	}
 14538  	// match: (OR x x)
 14539  	// result: x
 14540  	for {
 14541  		x := v_0
 14542  		if x != v_1 {
 14543  			break
 14544  		}
 14545  		v.copyOf(x)
 14546  		return true
 14547  	}
 14548  	// match: (OR x (MVN y))
 14549  	// result: (ORN x y)
 14550  	for {
 14551  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14552  			x := v_0
 14553  			if v_1.Op != OpARM64MVN {
 14554  				continue
 14555  			}
 14556  			y := v_1.Args[0]
 14557  			v.reset(OpARM64ORN)
 14558  			v.AddArg2(x, y)
 14559  			return true
 14560  		}
 14561  		break
 14562  	}
 14563  	// match: (OR x0 x1:(SLLconst [c] y))
 14564  	// cond: clobberIfDead(x1)
 14565  	// result: (ORshiftLL x0 y [c])
 14566  	for {
 14567  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14568  			x0 := v_0
 14569  			x1 := v_1
 14570  			if x1.Op != OpARM64SLLconst {
 14571  				continue
 14572  			}
 14573  			c := auxIntToInt64(x1.AuxInt)
 14574  			y := x1.Args[0]
 14575  			if !(clobberIfDead(x1)) {
 14576  				continue
 14577  			}
 14578  			v.reset(OpARM64ORshiftLL)
 14579  			v.AuxInt = int64ToAuxInt(c)
 14580  			v.AddArg2(x0, y)
 14581  			return true
 14582  		}
 14583  		break
 14584  	}
 14585  	// match: (OR x0 x1:(SRLconst [c] y))
 14586  	// cond: clobberIfDead(x1)
 14587  	// result: (ORshiftRL x0 y [c])
 14588  	for {
 14589  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14590  			x0 := v_0
 14591  			x1 := v_1
 14592  			if x1.Op != OpARM64SRLconst {
 14593  				continue
 14594  			}
 14595  			c := auxIntToInt64(x1.AuxInt)
 14596  			y := x1.Args[0]
 14597  			if !(clobberIfDead(x1)) {
 14598  				continue
 14599  			}
 14600  			v.reset(OpARM64ORshiftRL)
 14601  			v.AuxInt = int64ToAuxInt(c)
 14602  			v.AddArg2(x0, y)
 14603  			return true
 14604  		}
 14605  		break
 14606  	}
 14607  	// match: (OR x0 x1:(SRAconst [c] y))
 14608  	// cond: clobberIfDead(x1)
 14609  	// result: (ORshiftRA x0 y [c])
 14610  	for {
 14611  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14612  			x0 := v_0
 14613  			x1 := v_1
 14614  			if x1.Op != OpARM64SRAconst {
 14615  				continue
 14616  			}
 14617  			c := auxIntToInt64(x1.AuxInt)
 14618  			y := x1.Args[0]
 14619  			if !(clobberIfDead(x1)) {
 14620  				continue
 14621  			}
 14622  			v.reset(OpARM64ORshiftRA)
 14623  			v.AuxInt = int64ToAuxInt(c)
 14624  			v.AddArg2(x0, y)
 14625  			return true
 14626  		}
 14627  		break
 14628  	}
 14629  	// match: (OR x0 x1:(RORconst [c] y))
 14630  	// cond: clobberIfDead(x1)
 14631  	// result: (ORshiftRO x0 y [c])
 14632  	for {
 14633  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14634  			x0 := v_0
 14635  			x1 := v_1
 14636  			if x1.Op != OpARM64RORconst {
 14637  				continue
 14638  			}
 14639  			c := auxIntToInt64(x1.AuxInt)
 14640  			y := x1.Args[0]
 14641  			if !(clobberIfDead(x1)) {
 14642  				continue
 14643  			}
 14644  			v.reset(OpARM64ORshiftRO)
 14645  			v.AuxInt = int64ToAuxInt(c)
 14646  			v.AddArg2(x0, y)
 14647  			return true
 14648  		}
 14649  		break
 14650  	}
 14651  	// match: (OR (UBFIZ [bfc] x) (ANDconst [ac] y))
 14652  	// cond: ac == ^((1<<uint(bfc.getARM64BFwidth())-1) << uint(bfc.getARM64BFlsb()))
 14653  	// result: (BFI [bfc] y x)
 14654  	for {
 14655  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14656  			if v_0.Op != OpARM64UBFIZ {
 14657  				continue
 14658  			}
 14659  			bfc := auxIntToArm64BitField(v_0.AuxInt)
 14660  			x := v_0.Args[0]
 14661  			if v_1.Op != OpARM64ANDconst {
 14662  				continue
 14663  			}
 14664  			ac := auxIntToInt64(v_1.AuxInt)
 14665  			y := v_1.Args[0]
 14666  			if !(ac == ^((1<<uint(bfc.getARM64BFwidth()) - 1) << uint(bfc.getARM64BFlsb()))) {
 14667  				continue
 14668  			}
 14669  			v.reset(OpARM64BFI)
 14670  			v.AuxInt = arm64BitFieldToAuxInt(bfc)
 14671  			v.AddArg2(y, x)
 14672  			return true
 14673  		}
 14674  		break
 14675  	}
 14676  	// match: (OR (UBFX [bfc] x) (ANDconst [ac] y))
 14677  	// cond: ac == ^(1<<uint(bfc.getARM64BFwidth())-1)
 14678  	// result: (BFXIL [bfc] y x)
 14679  	for {
 14680  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14681  			if v_0.Op != OpARM64UBFX {
 14682  				continue
 14683  			}
 14684  			bfc := auxIntToArm64BitField(v_0.AuxInt)
 14685  			x := v_0.Args[0]
 14686  			if v_1.Op != OpARM64ANDconst {
 14687  				continue
 14688  			}
 14689  			ac := auxIntToInt64(v_1.AuxInt)
 14690  			y := v_1.Args[0]
 14691  			if !(ac == ^(1<<uint(bfc.getARM64BFwidth()) - 1)) {
 14692  				continue
 14693  			}
 14694  			v.reset(OpARM64BFXIL)
 14695  			v.AuxInt = arm64BitFieldToAuxInt(bfc)
 14696  			v.AddArg2(y, x)
 14697  			return true
 14698  		}
 14699  		break
 14700  	}
 14701  	return false
 14702  }
 14703  func rewriteValueARM64_OpARM64ORN(v *Value) bool {
 14704  	v_1 := v.Args[1]
 14705  	v_0 := v.Args[0]
 14706  	// match: (ORN x (MOVDconst [c]))
 14707  	// result: (ORconst [^c] x)
 14708  	for {
 14709  		x := v_0
 14710  		if v_1.Op != OpARM64MOVDconst {
 14711  			break
 14712  		}
 14713  		c := auxIntToInt64(v_1.AuxInt)
 14714  		v.reset(OpARM64ORconst)
 14715  		v.AuxInt = int64ToAuxInt(^c)
 14716  		v.AddArg(x)
 14717  		return true
 14718  	}
 14719  	// match: (ORN x x)
 14720  	// result: (MOVDconst [-1])
 14721  	for {
 14722  		x := v_0
 14723  		if x != v_1 {
 14724  			break
 14725  		}
 14726  		v.reset(OpARM64MOVDconst)
 14727  		v.AuxInt = int64ToAuxInt(-1)
 14728  		return true
 14729  	}
 14730  	// match: (ORN x0 x1:(SLLconst [c] y))
 14731  	// cond: clobberIfDead(x1)
 14732  	// result: (ORNshiftLL x0 y [c])
 14733  	for {
 14734  		x0 := v_0
 14735  		x1 := v_1
 14736  		if x1.Op != OpARM64SLLconst {
 14737  			break
 14738  		}
 14739  		c := auxIntToInt64(x1.AuxInt)
 14740  		y := x1.Args[0]
 14741  		if !(clobberIfDead(x1)) {
 14742  			break
 14743  		}
 14744  		v.reset(OpARM64ORNshiftLL)
 14745  		v.AuxInt = int64ToAuxInt(c)
 14746  		v.AddArg2(x0, y)
 14747  		return true
 14748  	}
 14749  	// match: (ORN x0 x1:(SRLconst [c] y))
 14750  	// cond: clobberIfDead(x1)
 14751  	// result: (ORNshiftRL x0 y [c])
 14752  	for {
 14753  		x0 := v_0
 14754  		x1 := v_1
 14755  		if x1.Op != OpARM64SRLconst {
 14756  			break
 14757  		}
 14758  		c := auxIntToInt64(x1.AuxInt)
 14759  		y := x1.Args[0]
 14760  		if !(clobberIfDead(x1)) {
 14761  			break
 14762  		}
 14763  		v.reset(OpARM64ORNshiftRL)
 14764  		v.AuxInt = int64ToAuxInt(c)
 14765  		v.AddArg2(x0, y)
 14766  		return true
 14767  	}
 14768  	// match: (ORN x0 x1:(SRAconst [c] y))
 14769  	// cond: clobberIfDead(x1)
 14770  	// result: (ORNshiftRA x0 y [c])
 14771  	for {
 14772  		x0 := v_0
 14773  		x1 := v_1
 14774  		if x1.Op != OpARM64SRAconst {
 14775  			break
 14776  		}
 14777  		c := auxIntToInt64(x1.AuxInt)
 14778  		y := x1.Args[0]
 14779  		if !(clobberIfDead(x1)) {
 14780  			break
 14781  		}
 14782  		v.reset(OpARM64ORNshiftRA)
 14783  		v.AuxInt = int64ToAuxInt(c)
 14784  		v.AddArg2(x0, y)
 14785  		return true
 14786  	}
 14787  	// match: (ORN x0 x1:(RORconst [c] y))
 14788  	// cond: clobberIfDead(x1)
 14789  	// result: (ORNshiftRO x0 y [c])
 14790  	for {
 14791  		x0 := v_0
 14792  		x1 := v_1
 14793  		if x1.Op != OpARM64RORconst {
 14794  			break
 14795  		}
 14796  		c := auxIntToInt64(x1.AuxInt)
 14797  		y := x1.Args[0]
 14798  		if !(clobberIfDead(x1)) {
 14799  			break
 14800  		}
 14801  		v.reset(OpARM64ORNshiftRO)
 14802  		v.AuxInt = int64ToAuxInt(c)
 14803  		v.AddArg2(x0, y)
 14804  		return true
 14805  	}
 14806  	return false
 14807  }
 14808  func rewriteValueARM64_OpARM64ORNshiftLL(v *Value) bool {
 14809  	v_1 := v.Args[1]
 14810  	v_0 := v.Args[0]
 14811  	// match: (ORNshiftLL x (MOVDconst [c]) [d])
 14812  	// result: (ORconst x [^int64(uint64(c)<<uint64(d))])
 14813  	for {
 14814  		d := auxIntToInt64(v.AuxInt)
 14815  		x := v_0
 14816  		if v_1.Op != OpARM64MOVDconst {
 14817  			break
 14818  		}
 14819  		c := auxIntToInt64(v_1.AuxInt)
 14820  		v.reset(OpARM64ORconst)
 14821  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
 14822  		v.AddArg(x)
 14823  		return true
 14824  	}
 14825  	// match: (ORNshiftLL (SLLconst x [c]) x [c])
 14826  	// result: (MOVDconst [-1])
 14827  	for {
 14828  		c := auxIntToInt64(v.AuxInt)
 14829  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 14830  			break
 14831  		}
 14832  		x := v_0.Args[0]
 14833  		if x != v_1 {
 14834  			break
 14835  		}
 14836  		v.reset(OpARM64MOVDconst)
 14837  		v.AuxInt = int64ToAuxInt(-1)
 14838  		return true
 14839  	}
 14840  	return false
 14841  }
 14842  func rewriteValueARM64_OpARM64ORNshiftRA(v *Value) bool {
 14843  	v_1 := v.Args[1]
 14844  	v_0 := v.Args[0]
 14845  	// match: (ORNshiftRA x (MOVDconst [c]) [d])
 14846  	// result: (ORconst x [^(c>>uint64(d))])
 14847  	for {
 14848  		d := auxIntToInt64(v.AuxInt)
 14849  		x := v_0
 14850  		if v_1.Op != OpARM64MOVDconst {
 14851  			break
 14852  		}
 14853  		c := auxIntToInt64(v_1.AuxInt)
 14854  		v.reset(OpARM64ORconst)
 14855  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
 14856  		v.AddArg(x)
 14857  		return true
 14858  	}
 14859  	// match: (ORNshiftRA (SRAconst x [c]) x [c])
 14860  	// result: (MOVDconst [-1])
 14861  	for {
 14862  		c := auxIntToInt64(v.AuxInt)
 14863  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 14864  			break
 14865  		}
 14866  		x := v_0.Args[0]
 14867  		if x != v_1 {
 14868  			break
 14869  		}
 14870  		v.reset(OpARM64MOVDconst)
 14871  		v.AuxInt = int64ToAuxInt(-1)
 14872  		return true
 14873  	}
 14874  	return false
 14875  }
 14876  func rewriteValueARM64_OpARM64ORNshiftRL(v *Value) bool {
 14877  	v_1 := v.Args[1]
 14878  	v_0 := v.Args[0]
 14879  	// match: (ORNshiftRL x (MOVDconst [c]) [d])
 14880  	// result: (ORconst x [^int64(uint64(c)>>uint64(d))])
 14881  	for {
 14882  		d := auxIntToInt64(v.AuxInt)
 14883  		x := v_0
 14884  		if v_1.Op != OpARM64MOVDconst {
 14885  			break
 14886  		}
 14887  		c := auxIntToInt64(v_1.AuxInt)
 14888  		v.reset(OpARM64ORconst)
 14889  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
 14890  		v.AddArg(x)
 14891  		return true
 14892  	}
 14893  	// match: (ORNshiftRL (SRLconst x [c]) x [c])
 14894  	// result: (MOVDconst [-1])
 14895  	for {
 14896  		c := auxIntToInt64(v.AuxInt)
 14897  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 14898  			break
 14899  		}
 14900  		x := v_0.Args[0]
 14901  		if x != v_1 {
 14902  			break
 14903  		}
 14904  		v.reset(OpARM64MOVDconst)
 14905  		v.AuxInt = int64ToAuxInt(-1)
 14906  		return true
 14907  	}
 14908  	return false
 14909  }
 14910  func rewriteValueARM64_OpARM64ORNshiftRO(v *Value) bool {
 14911  	v_1 := v.Args[1]
 14912  	v_0 := v.Args[0]
 14913  	// match: (ORNshiftRO x (MOVDconst [c]) [d])
 14914  	// result: (ORconst x [^rotateRight64(c, d)])
 14915  	for {
 14916  		d := auxIntToInt64(v.AuxInt)
 14917  		x := v_0
 14918  		if v_1.Op != OpARM64MOVDconst {
 14919  			break
 14920  		}
 14921  		c := auxIntToInt64(v_1.AuxInt)
 14922  		v.reset(OpARM64ORconst)
 14923  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
 14924  		v.AddArg(x)
 14925  		return true
 14926  	}
 14927  	// match: (ORNshiftRO (RORconst x [c]) x [c])
 14928  	// result: (MOVDconst [-1])
 14929  	for {
 14930  		c := auxIntToInt64(v.AuxInt)
 14931  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
 14932  			break
 14933  		}
 14934  		x := v_0.Args[0]
 14935  		if x != v_1 {
 14936  			break
 14937  		}
 14938  		v.reset(OpARM64MOVDconst)
 14939  		v.AuxInt = int64ToAuxInt(-1)
 14940  		return true
 14941  	}
 14942  	return false
 14943  }
 14944  func rewriteValueARM64_OpARM64ORconst(v *Value) bool {
 14945  	v_0 := v.Args[0]
 14946  	// match: (ORconst [0] x)
 14947  	// result: x
 14948  	for {
 14949  		if auxIntToInt64(v.AuxInt) != 0 {
 14950  			break
 14951  		}
 14952  		x := v_0
 14953  		v.copyOf(x)
 14954  		return true
 14955  	}
 14956  	// match: (ORconst [-1] _)
 14957  	// result: (MOVDconst [-1])
 14958  	for {
 14959  		if auxIntToInt64(v.AuxInt) != -1 {
 14960  			break
 14961  		}
 14962  		v.reset(OpARM64MOVDconst)
 14963  		v.AuxInt = int64ToAuxInt(-1)
 14964  		return true
 14965  	}
 14966  	// match: (ORconst [c] (MOVDconst [d]))
 14967  	// result: (MOVDconst [c|d])
 14968  	for {
 14969  		c := auxIntToInt64(v.AuxInt)
 14970  		if v_0.Op != OpARM64MOVDconst {
 14971  			break
 14972  		}
 14973  		d := auxIntToInt64(v_0.AuxInt)
 14974  		v.reset(OpARM64MOVDconst)
 14975  		v.AuxInt = int64ToAuxInt(c | d)
 14976  		return true
 14977  	}
 14978  	// match: (ORconst [c] (ORconst [d] x))
 14979  	// result: (ORconst [c|d] x)
 14980  	for {
 14981  		c := auxIntToInt64(v.AuxInt)
 14982  		if v_0.Op != OpARM64ORconst {
 14983  			break
 14984  		}
 14985  		d := auxIntToInt64(v_0.AuxInt)
 14986  		x := v_0.Args[0]
 14987  		v.reset(OpARM64ORconst)
 14988  		v.AuxInt = int64ToAuxInt(c | d)
 14989  		v.AddArg(x)
 14990  		return true
 14991  	}
 14992  	// match: (ORconst [c1] (ANDconst [c2] x))
 14993  	// cond: c2|c1 == ^0
 14994  	// result: (ORconst [c1] x)
 14995  	for {
 14996  		c1 := auxIntToInt64(v.AuxInt)
 14997  		if v_0.Op != OpARM64ANDconst {
 14998  			break
 14999  		}
 15000  		c2 := auxIntToInt64(v_0.AuxInt)
 15001  		x := v_0.Args[0]
 15002  		if !(c2|c1 == ^0) {
 15003  			break
 15004  		}
 15005  		v.reset(OpARM64ORconst)
 15006  		v.AuxInt = int64ToAuxInt(c1)
 15007  		v.AddArg(x)
 15008  		return true
 15009  	}
 15010  	return false
 15011  }
 15012  func rewriteValueARM64_OpARM64ORshiftLL(v *Value) bool {
 15013  	v_1 := v.Args[1]
 15014  	v_0 := v.Args[0]
 15015  	b := v.Block
 15016  	typ := &b.Func.Config.Types
 15017  	// match: (ORshiftLL (MOVDconst [c]) x [d])
 15018  	// result: (ORconst [c] (SLLconst <x.Type> x [d]))
 15019  	for {
 15020  		d := auxIntToInt64(v.AuxInt)
 15021  		if v_0.Op != OpARM64MOVDconst {
 15022  			break
 15023  		}
 15024  		c := auxIntToInt64(v_0.AuxInt)
 15025  		x := v_1
 15026  		v.reset(OpARM64ORconst)
 15027  		v.AuxInt = int64ToAuxInt(c)
 15028  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 15029  		v0.AuxInt = int64ToAuxInt(d)
 15030  		v0.AddArg(x)
 15031  		v.AddArg(v0)
 15032  		return true
 15033  	}
 15034  	// match: (ORshiftLL x (MOVDconst [c]) [d])
 15035  	// result: (ORconst x [int64(uint64(c)<<uint64(d))])
 15036  	for {
 15037  		d := auxIntToInt64(v.AuxInt)
 15038  		x := v_0
 15039  		if v_1.Op != OpARM64MOVDconst {
 15040  			break
 15041  		}
 15042  		c := auxIntToInt64(v_1.AuxInt)
 15043  		v.reset(OpARM64ORconst)
 15044  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 15045  		v.AddArg(x)
 15046  		return true
 15047  	}
 15048  	// match: (ORshiftLL y:(SLLconst x [c]) x [c])
 15049  	// result: y
 15050  	for {
 15051  		c := auxIntToInt64(v.AuxInt)
 15052  		y := v_0
 15053  		if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c {
 15054  			break
 15055  		}
 15056  		x := y.Args[0]
 15057  		if x != v_1 {
 15058  			break
 15059  		}
 15060  		v.copyOf(y)
 15061  		return true
 15062  	}
 15063  	// match: (ORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
 15064  	// result: (REV16W x)
 15065  	for {
 15066  		if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) {
 15067  			break
 15068  		}
 15069  		x := v_0.Args[0]
 15070  		if x != v_1 {
 15071  			break
 15072  		}
 15073  		v.reset(OpARM64REV16W)
 15074  		v.AddArg(x)
 15075  		return true
 15076  	}
 15077  	// match: (ORshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
 15078  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
 15079  	// result: (REV16W x)
 15080  	for {
 15081  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
 15082  			break
 15083  		}
 15084  		v_0_0 := v_0.Args[0]
 15085  		if v_0_0.Op != OpARM64ANDconst {
 15086  			break
 15087  		}
 15088  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15089  		x := v_0_0.Args[0]
 15090  		if v_1.Op != OpARM64ANDconst {
 15091  			break
 15092  		}
 15093  		c2 := auxIntToInt64(v_1.AuxInt)
 15094  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
 15095  			break
 15096  		}
 15097  		v.reset(OpARM64REV16W)
 15098  		v.AddArg(x)
 15099  		return true
 15100  	}
 15101  	// match: (ORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 15102  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
 15103  	// result: (REV16 x)
 15104  	for {
 15105  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 15106  			break
 15107  		}
 15108  		v_0_0 := v_0.Args[0]
 15109  		if v_0_0.Op != OpARM64ANDconst {
 15110  			break
 15111  		}
 15112  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15113  		x := v_0_0.Args[0]
 15114  		if v_1.Op != OpARM64ANDconst {
 15115  			break
 15116  		}
 15117  		c2 := auxIntToInt64(v_1.AuxInt)
 15118  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
 15119  			break
 15120  		}
 15121  		v.reset(OpARM64REV16)
 15122  		v.AddArg(x)
 15123  		return true
 15124  	}
 15125  	// match: (ORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 15126  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
 15127  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
 15128  	for {
 15129  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 15130  			break
 15131  		}
 15132  		v_0_0 := v_0.Args[0]
 15133  		if v_0_0.Op != OpARM64ANDconst {
 15134  			break
 15135  		}
 15136  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15137  		x := v_0_0.Args[0]
 15138  		if v_1.Op != OpARM64ANDconst {
 15139  			break
 15140  		}
 15141  		c2 := auxIntToInt64(v_1.AuxInt)
 15142  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
 15143  			break
 15144  		}
 15145  		v.reset(OpARM64REV16)
 15146  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
 15147  		v0.AuxInt = int64ToAuxInt(0xffffffff)
 15148  		v0.AddArg(x)
 15149  		v.AddArg(v0)
 15150  		return true
 15151  	}
 15152  	// match: ( ORshiftLL [c] (SRLconst x [64-c]) x2)
 15153  	// result: (EXTRconst [64-c] x2 x)
 15154  	for {
 15155  		c := auxIntToInt64(v.AuxInt)
 15156  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
 15157  			break
 15158  		}
 15159  		x := v_0.Args[0]
 15160  		x2 := v_1
 15161  		v.reset(OpARM64EXTRconst)
 15162  		v.AuxInt = int64ToAuxInt(64 - c)
 15163  		v.AddArg2(x2, x)
 15164  		return true
 15165  	}
 15166  	// match: ( ORshiftLL <t> [c] (UBFX [bfc] x) x2)
 15167  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
 15168  	// result: (EXTRWconst [32-c] x2 x)
 15169  	for {
 15170  		t := v.Type
 15171  		c := auxIntToInt64(v.AuxInt)
 15172  		if v_0.Op != OpARM64UBFX {
 15173  			break
 15174  		}
 15175  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15176  		x := v_0.Args[0]
 15177  		x2 := v_1
 15178  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
 15179  			break
 15180  		}
 15181  		v.reset(OpARM64EXTRWconst)
 15182  		v.AuxInt = int64ToAuxInt(32 - c)
 15183  		v.AddArg2(x2, x)
 15184  		return true
 15185  	}
 15186  	// match: (ORshiftLL [sc] (UBFX [bfc] x) (SRLconst [sc] y))
 15187  	// cond: sc == bfc.getARM64BFwidth()
 15188  	// result: (BFXIL [bfc] y x)
 15189  	for {
 15190  		sc := auxIntToInt64(v.AuxInt)
 15191  		if v_0.Op != OpARM64UBFX {
 15192  			break
 15193  		}
 15194  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15195  		x := v_0.Args[0]
 15196  		if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != sc {
 15197  			break
 15198  		}
 15199  		y := v_1.Args[0]
 15200  		if !(sc == bfc.getARM64BFwidth()) {
 15201  			break
 15202  		}
 15203  		v.reset(OpARM64BFXIL)
 15204  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 15205  		v.AddArg2(y, x)
 15206  		return true
 15207  	}
 15208  	return false
 15209  }
 15210  func rewriteValueARM64_OpARM64ORshiftRA(v *Value) bool {
 15211  	v_1 := v.Args[1]
 15212  	v_0 := v.Args[0]
 15213  	b := v.Block
 15214  	// match: (ORshiftRA (MOVDconst [c]) x [d])
 15215  	// result: (ORconst [c] (SRAconst <x.Type> x [d]))
 15216  	for {
 15217  		d := auxIntToInt64(v.AuxInt)
 15218  		if v_0.Op != OpARM64MOVDconst {
 15219  			break
 15220  		}
 15221  		c := auxIntToInt64(v_0.AuxInt)
 15222  		x := v_1
 15223  		v.reset(OpARM64ORconst)
 15224  		v.AuxInt = int64ToAuxInt(c)
 15225  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 15226  		v0.AuxInt = int64ToAuxInt(d)
 15227  		v0.AddArg(x)
 15228  		v.AddArg(v0)
 15229  		return true
 15230  	}
 15231  	// match: (ORshiftRA x (MOVDconst [c]) [d])
 15232  	// result: (ORconst x [c>>uint64(d)])
 15233  	for {
 15234  		d := auxIntToInt64(v.AuxInt)
 15235  		x := v_0
 15236  		if v_1.Op != OpARM64MOVDconst {
 15237  			break
 15238  		}
 15239  		c := auxIntToInt64(v_1.AuxInt)
 15240  		v.reset(OpARM64ORconst)
 15241  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 15242  		v.AddArg(x)
 15243  		return true
 15244  	}
 15245  	// match: (ORshiftRA y:(SRAconst x [c]) x [c])
 15246  	// result: y
 15247  	for {
 15248  		c := auxIntToInt64(v.AuxInt)
 15249  		y := v_0
 15250  		if y.Op != OpARM64SRAconst || auxIntToInt64(y.AuxInt) != c {
 15251  			break
 15252  		}
 15253  		x := y.Args[0]
 15254  		if x != v_1 {
 15255  			break
 15256  		}
 15257  		v.copyOf(y)
 15258  		return true
 15259  	}
 15260  	return false
 15261  }
 15262  func rewriteValueARM64_OpARM64ORshiftRL(v *Value) bool {
 15263  	v_1 := v.Args[1]
 15264  	v_0 := v.Args[0]
 15265  	b := v.Block
 15266  	// match: (ORshiftRL (MOVDconst [c]) x [d])
 15267  	// result: (ORconst [c] (SRLconst <x.Type> x [d]))
 15268  	for {
 15269  		d := auxIntToInt64(v.AuxInt)
 15270  		if v_0.Op != OpARM64MOVDconst {
 15271  			break
 15272  		}
 15273  		c := auxIntToInt64(v_0.AuxInt)
 15274  		x := v_1
 15275  		v.reset(OpARM64ORconst)
 15276  		v.AuxInt = int64ToAuxInt(c)
 15277  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 15278  		v0.AuxInt = int64ToAuxInt(d)
 15279  		v0.AddArg(x)
 15280  		v.AddArg(v0)
 15281  		return true
 15282  	}
 15283  	// match: (ORshiftRL x (MOVDconst [c]) [d])
 15284  	// result: (ORconst x [int64(uint64(c)>>uint64(d))])
 15285  	for {
 15286  		d := auxIntToInt64(v.AuxInt)
 15287  		x := v_0
 15288  		if v_1.Op != OpARM64MOVDconst {
 15289  			break
 15290  		}
 15291  		c := auxIntToInt64(v_1.AuxInt)
 15292  		v.reset(OpARM64ORconst)
 15293  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 15294  		v.AddArg(x)
 15295  		return true
 15296  	}
 15297  	// match: (ORshiftRL y:(SRLconst x [c]) x [c])
 15298  	// result: y
 15299  	for {
 15300  		c := auxIntToInt64(v.AuxInt)
 15301  		y := v_0
 15302  		if y.Op != OpARM64SRLconst || auxIntToInt64(y.AuxInt) != c {
 15303  			break
 15304  		}
 15305  		x := y.Args[0]
 15306  		if x != v_1 {
 15307  			break
 15308  		}
 15309  		v.copyOf(y)
 15310  		return true
 15311  	}
 15312  	// match: (ORshiftRL [rc] (ANDconst [ac] x) (SLLconst [lc] y))
 15313  	// cond: lc > rc && ac == ^((1<<uint(64-lc)-1) << uint64(lc-rc))
 15314  	// result: (BFI [armBFAuxInt(lc-rc, 64-lc)] x y)
 15315  	for {
 15316  		rc := auxIntToInt64(v.AuxInt)
 15317  		if v_0.Op != OpARM64ANDconst {
 15318  			break
 15319  		}
 15320  		ac := auxIntToInt64(v_0.AuxInt)
 15321  		x := v_0.Args[0]
 15322  		if v_1.Op != OpARM64SLLconst {
 15323  			break
 15324  		}
 15325  		lc := auxIntToInt64(v_1.AuxInt)
 15326  		y := v_1.Args[0]
 15327  		if !(lc > rc && ac == ^((1<<uint(64-lc)-1)<<uint64(lc-rc))) {
 15328  			break
 15329  		}
 15330  		v.reset(OpARM64BFI)
 15331  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 15332  		v.AddArg2(x, y)
 15333  		return true
 15334  	}
 15335  	// match: (ORshiftRL [rc] (ANDconst [ac] y) (SLLconst [lc] x))
 15336  	// cond: lc < rc && ac == ^((1<<uint(64-rc)-1))
 15337  	// result: (BFXIL [armBFAuxInt(rc-lc, 64-rc)] y x)
 15338  	for {
 15339  		rc := auxIntToInt64(v.AuxInt)
 15340  		if v_0.Op != OpARM64ANDconst {
 15341  			break
 15342  		}
 15343  		ac := auxIntToInt64(v_0.AuxInt)
 15344  		y := v_0.Args[0]
 15345  		if v_1.Op != OpARM64SLLconst {
 15346  			break
 15347  		}
 15348  		lc := auxIntToInt64(v_1.AuxInt)
 15349  		x := v_1.Args[0]
 15350  		if !(lc < rc && ac == ^(1<<uint(64-rc)-1)) {
 15351  			break
 15352  		}
 15353  		v.reset(OpARM64BFXIL)
 15354  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 15355  		v.AddArg2(y, x)
 15356  		return true
 15357  	}
 15358  	return false
 15359  }
 15360  func rewriteValueARM64_OpARM64ORshiftRO(v *Value) bool {
 15361  	v_1 := v.Args[1]
 15362  	v_0 := v.Args[0]
 15363  	b := v.Block
 15364  	// match: (ORshiftRO (MOVDconst [c]) x [d])
 15365  	// result: (ORconst [c] (RORconst <x.Type> x [d]))
 15366  	for {
 15367  		d := auxIntToInt64(v.AuxInt)
 15368  		if v_0.Op != OpARM64MOVDconst {
 15369  			break
 15370  		}
 15371  		c := auxIntToInt64(v_0.AuxInt)
 15372  		x := v_1
 15373  		v.reset(OpARM64ORconst)
 15374  		v.AuxInt = int64ToAuxInt(c)
 15375  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 15376  		v0.AuxInt = int64ToAuxInt(d)
 15377  		v0.AddArg(x)
 15378  		v.AddArg(v0)
 15379  		return true
 15380  	}
 15381  	// match: (ORshiftRO x (MOVDconst [c]) [d])
 15382  	// result: (ORconst x [rotateRight64(c, d)])
 15383  	for {
 15384  		d := auxIntToInt64(v.AuxInt)
 15385  		x := v_0
 15386  		if v_1.Op != OpARM64MOVDconst {
 15387  			break
 15388  		}
 15389  		c := auxIntToInt64(v_1.AuxInt)
 15390  		v.reset(OpARM64ORconst)
 15391  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 15392  		v.AddArg(x)
 15393  		return true
 15394  	}
 15395  	// match: (ORshiftRO y:(RORconst x [c]) x [c])
 15396  	// result: y
 15397  	for {
 15398  		c := auxIntToInt64(v.AuxInt)
 15399  		y := v_0
 15400  		if y.Op != OpARM64RORconst || auxIntToInt64(y.AuxInt) != c {
 15401  			break
 15402  		}
 15403  		x := y.Args[0]
 15404  		if x != v_1 {
 15405  			break
 15406  		}
 15407  		v.copyOf(y)
 15408  		return true
 15409  	}
 15410  	return false
 15411  }
 15412  func rewriteValueARM64_OpARM64REV(v *Value) bool {
 15413  	v_0 := v.Args[0]
 15414  	// match: (REV (REV p))
 15415  	// result: p
 15416  	for {
 15417  		if v_0.Op != OpARM64REV {
 15418  			break
 15419  		}
 15420  		p := v_0.Args[0]
 15421  		v.copyOf(p)
 15422  		return true
 15423  	}
 15424  	return false
 15425  }
 15426  func rewriteValueARM64_OpARM64REVW(v *Value) bool {
 15427  	v_0 := v.Args[0]
 15428  	// match: (REVW (REVW p))
 15429  	// result: p
 15430  	for {
 15431  		if v_0.Op != OpARM64REVW {
 15432  			break
 15433  		}
 15434  		p := v_0.Args[0]
 15435  		v.copyOf(p)
 15436  		return true
 15437  	}
 15438  	return false
 15439  }
 15440  func rewriteValueARM64_OpARM64ROR(v *Value) bool {
 15441  	v_1 := v.Args[1]
 15442  	v_0 := v.Args[0]
 15443  	// match: (ROR x (MOVDconst [c]))
 15444  	// result: (RORconst x [c&63])
 15445  	for {
 15446  		x := v_0
 15447  		if v_1.Op != OpARM64MOVDconst {
 15448  			break
 15449  		}
 15450  		c := auxIntToInt64(v_1.AuxInt)
 15451  		v.reset(OpARM64RORconst)
 15452  		v.AuxInt = int64ToAuxInt(c & 63)
 15453  		v.AddArg(x)
 15454  		return true
 15455  	}
 15456  	return false
 15457  }
 15458  func rewriteValueARM64_OpARM64RORW(v *Value) bool {
 15459  	v_1 := v.Args[1]
 15460  	v_0 := v.Args[0]
 15461  	// match: (RORW x (MOVDconst [c]))
 15462  	// result: (RORWconst x [c&31])
 15463  	for {
 15464  		x := v_0
 15465  		if v_1.Op != OpARM64MOVDconst {
 15466  			break
 15467  		}
 15468  		c := auxIntToInt64(v_1.AuxInt)
 15469  		v.reset(OpARM64RORWconst)
 15470  		v.AuxInt = int64ToAuxInt(c & 31)
 15471  		v.AddArg(x)
 15472  		return true
 15473  	}
 15474  	return false
 15475  }
 15476  func rewriteValueARM64_OpARM64SBCSflags(v *Value) bool {
 15477  	v_2 := v.Args[2]
 15478  	v_1 := v.Args[1]
 15479  	v_0 := v.Args[0]
 15480  	b := v.Block
 15481  	typ := &b.Func.Config.Types
 15482  	// match: (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags (NEG <typ.UInt64> (NGCzerocarry <typ.UInt64> bo)))))
 15483  	// result: (SBCSflags x y bo)
 15484  	for {
 15485  		x := v_0
 15486  		y := v_1
 15487  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
 15488  			break
 15489  		}
 15490  		v_2_0 := v_2.Args[0]
 15491  		if v_2_0.Op != OpARM64NEGSflags {
 15492  			break
 15493  		}
 15494  		v_2_0_0 := v_2_0.Args[0]
 15495  		if v_2_0_0.Op != OpARM64NEG || v_2_0_0.Type != typ.UInt64 {
 15496  			break
 15497  		}
 15498  		v_2_0_0_0 := v_2_0_0.Args[0]
 15499  		if v_2_0_0_0.Op != OpARM64NGCzerocarry || v_2_0_0_0.Type != typ.UInt64 {
 15500  			break
 15501  		}
 15502  		bo := v_2_0_0_0.Args[0]
 15503  		v.reset(OpARM64SBCSflags)
 15504  		v.AddArg3(x, y, bo)
 15505  		return true
 15506  	}
 15507  	// match: (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags (MOVDconst [0]))))
 15508  	// result: (SUBSflags x y)
 15509  	for {
 15510  		x := v_0
 15511  		y := v_1
 15512  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
 15513  			break
 15514  		}
 15515  		v_2_0 := v_2.Args[0]
 15516  		if v_2_0.Op != OpARM64NEGSflags {
 15517  			break
 15518  		}
 15519  		v_2_0_0 := v_2_0.Args[0]
 15520  		if v_2_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_2_0_0.AuxInt) != 0 {
 15521  			break
 15522  		}
 15523  		v.reset(OpARM64SUBSflags)
 15524  		v.AddArg2(x, y)
 15525  		return true
 15526  	}
 15527  	return false
 15528  }
 15529  func rewriteValueARM64_OpARM64SLL(v *Value) bool {
 15530  	v_1 := v.Args[1]
 15531  	v_0 := v.Args[0]
 15532  	// match: (SLL x (MOVDconst [c]))
 15533  	// result: (SLLconst x [c&63])
 15534  	for {
 15535  		x := v_0
 15536  		if v_1.Op != OpARM64MOVDconst {
 15537  			break
 15538  		}
 15539  		c := auxIntToInt64(v_1.AuxInt)
 15540  		v.reset(OpARM64SLLconst)
 15541  		v.AuxInt = int64ToAuxInt(c & 63)
 15542  		v.AddArg(x)
 15543  		return true
 15544  	}
 15545  	// match: (SLL x (ANDconst [63] y))
 15546  	// result: (SLL x y)
 15547  	for {
 15548  		x := v_0
 15549  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 15550  			break
 15551  		}
 15552  		y := v_1.Args[0]
 15553  		v.reset(OpARM64SLL)
 15554  		v.AddArg2(x, y)
 15555  		return true
 15556  	}
 15557  	return false
 15558  }
 15559  func rewriteValueARM64_OpARM64SLLconst(v *Value) bool {
 15560  	v_0 := v.Args[0]
 15561  	// match: (SLLconst [c] (MOVDconst [d]))
 15562  	// result: (MOVDconst [d<<uint64(c)])
 15563  	for {
 15564  		c := auxIntToInt64(v.AuxInt)
 15565  		if v_0.Op != OpARM64MOVDconst {
 15566  			break
 15567  		}
 15568  		d := auxIntToInt64(v_0.AuxInt)
 15569  		v.reset(OpARM64MOVDconst)
 15570  		v.AuxInt = int64ToAuxInt(d << uint64(c))
 15571  		return true
 15572  	}
 15573  	// match: (SLLconst [c] (SRLconst [c] x))
 15574  	// cond: 0 < c && c < 64
 15575  	// result: (ANDconst [^(1<<uint(c)-1)] x)
 15576  	for {
 15577  		c := auxIntToInt64(v.AuxInt)
 15578  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 15579  			break
 15580  		}
 15581  		x := v_0.Args[0]
 15582  		if !(0 < c && c < 64) {
 15583  			break
 15584  		}
 15585  		v.reset(OpARM64ANDconst)
 15586  		v.AuxInt = int64ToAuxInt(^(1<<uint(c) - 1))
 15587  		v.AddArg(x)
 15588  		return true
 15589  	}
 15590  	// match: (SLLconst [lc] (MOVWreg x))
 15591  	// result: (SBFIZ [armBFAuxInt(lc, min(32, 64-lc))] x)
 15592  	for {
 15593  		lc := auxIntToInt64(v.AuxInt)
 15594  		if v_0.Op != OpARM64MOVWreg {
 15595  			break
 15596  		}
 15597  		x := v_0.Args[0]
 15598  		v.reset(OpARM64SBFIZ)
 15599  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(32, 64-lc)))
 15600  		v.AddArg(x)
 15601  		return true
 15602  	}
 15603  	// match: (SLLconst [lc] (MOVHreg x))
 15604  	// result: (SBFIZ [armBFAuxInt(lc, min(16, 64-lc))] x)
 15605  	for {
 15606  		lc := auxIntToInt64(v.AuxInt)
 15607  		if v_0.Op != OpARM64MOVHreg {
 15608  			break
 15609  		}
 15610  		x := v_0.Args[0]
 15611  		v.reset(OpARM64SBFIZ)
 15612  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(16, 64-lc)))
 15613  		v.AddArg(x)
 15614  		return true
 15615  	}
 15616  	// match: (SLLconst [lc] (MOVBreg x))
 15617  	// result: (SBFIZ [armBFAuxInt(lc, min(8, 64-lc))] x)
 15618  	for {
 15619  		lc := auxIntToInt64(v.AuxInt)
 15620  		if v_0.Op != OpARM64MOVBreg {
 15621  			break
 15622  		}
 15623  		x := v_0.Args[0]
 15624  		v.reset(OpARM64SBFIZ)
 15625  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(8, 64-lc)))
 15626  		v.AddArg(x)
 15627  		return true
 15628  	}
 15629  	// match: (SLLconst [lc] (MOVWUreg x))
 15630  	// result: (UBFIZ [armBFAuxInt(lc, min(32, 64-lc))] x)
 15631  	for {
 15632  		lc := auxIntToInt64(v.AuxInt)
 15633  		if v_0.Op != OpARM64MOVWUreg {
 15634  			break
 15635  		}
 15636  		x := v_0.Args[0]
 15637  		v.reset(OpARM64UBFIZ)
 15638  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(32, 64-lc)))
 15639  		v.AddArg(x)
 15640  		return true
 15641  	}
 15642  	// match: (SLLconst [lc] (MOVHUreg x))
 15643  	// result: (UBFIZ [armBFAuxInt(lc, min(16, 64-lc))] x)
 15644  	for {
 15645  		lc := auxIntToInt64(v.AuxInt)
 15646  		if v_0.Op != OpARM64MOVHUreg {
 15647  			break
 15648  		}
 15649  		x := v_0.Args[0]
 15650  		v.reset(OpARM64UBFIZ)
 15651  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(16, 64-lc)))
 15652  		v.AddArg(x)
 15653  		return true
 15654  	}
 15655  	// match: (SLLconst [lc] (MOVBUreg x))
 15656  	// result: (UBFIZ [armBFAuxInt(lc, min(8, 64-lc))] x)
 15657  	for {
 15658  		lc := auxIntToInt64(v.AuxInt)
 15659  		if v_0.Op != OpARM64MOVBUreg {
 15660  			break
 15661  		}
 15662  		x := v_0.Args[0]
 15663  		v.reset(OpARM64UBFIZ)
 15664  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(8, 64-lc)))
 15665  		v.AddArg(x)
 15666  		return true
 15667  	}
 15668  	// match: (SLLconst [sc] (ANDconst [ac] x))
 15669  	// cond: isARM64BFMask(sc, ac, 0)
 15670  	// result: (UBFIZ [armBFAuxInt(sc, arm64BFWidth(ac, 0))] x)
 15671  	for {
 15672  		sc := auxIntToInt64(v.AuxInt)
 15673  		if v_0.Op != OpARM64ANDconst {
 15674  			break
 15675  		}
 15676  		ac := auxIntToInt64(v_0.AuxInt)
 15677  		x := v_0.Args[0]
 15678  		if !(isARM64BFMask(sc, ac, 0)) {
 15679  			break
 15680  		}
 15681  		v.reset(OpARM64UBFIZ)
 15682  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, 0)))
 15683  		v.AddArg(x)
 15684  		return true
 15685  	}
 15686  	// match: (SLLconst [sc] (UBFIZ [bfc] x))
 15687  	// cond: sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64
 15688  	// result: (UBFIZ [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth())] x)
 15689  	for {
 15690  		sc := auxIntToInt64(v.AuxInt)
 15691  		if v_0.Op != OpARM64UBFIZ {
 15692  			break
 15693  		}
 15694  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15695  		x := v_0.Args[0]
 15696  		if !(sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64) {
 15697  			break
 15698  		}
 15699  		v.reset(OpARM64UBFIZ)
 15700  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()))
 15701  		v.AddArg(x)
 15702  		return true
 15703  	}
 15704  	return false
 15705  }
 15706  func rewriteValueARM64_OpARM64SRA(v *Value) bool {
 15707  	v_1 := v.Args[1]
 15708  	v_0 := v.Args[0]
 15709  	// match: (SRA x (MOVDconst [c]))
 15710  	// result: (SRAconst x [c&63])
 15711  	for {
 15712  		x := v_0
 15713  		if v_1.Op != OpARM64MOVDconst {
 15714  			break
 15715  		}
 15716  		c := auxIntToInt64(v_1.AuxInt)
 15717  		v.reset(OpARM64SRAconst)
 15718  		v.AuxInt = int64ToAuxInt(c & 63)
 15719  		v.AddArg(x)
 15720  		return true
 15721  	}
 15722  	// match: (SRA x (ANDconst [63] y))
 15723  	// result: (SRA x y)
 15724  	for {
 15725  		x := v_0
 15726  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 15727  			break
 15728  		}
 15729  		y := v_1.Args[0]
 15730  		v.reset(OpARM64SRA)
 15731  		v.AddArg2(x, y)
 15732  		return true
 15733  	}
 15734  	return false
 15735  }
 15736  func rewriteValueARM64_OpARM64SRAconst(v *Value) bool {
 15737  	v_0 := v.Args[0]
 15738  	// match: (SRAconst [c] (MOVDconst [d]))
 15739  	// result: (MOVDconst [d>>uint64(c)])
 15740  	for {
 15741  		c := auxIntToInt64(v.AuxInt)
 15742  		if v_0.Op != OpARM64MOVDconst {
 15743  			break
 15744  		}
 15745  		d := auxIntToInt64(v_0.AuxInt)
 15746  		v.reset(OpARM64MOVDconst)
 15747  		v.AuxInt = int64ToAuxInt(d >> uint64(c))
 15748  		return true
 15749  	}
 15750  	// match: (SRAconst [rc] (SLLconst [lc] x))
 15751  	// cond: lc > rc
 15752  	// result: (SBFIZ [armBFAuxInt(lc-rc, 64-lc)] x)
 15753  	for {
 15754  		rc := auxIntToInt64(v.AuxInt)
 15755  		if v_0.Op != OpARM64SLLconst {
 15756  			break
 15757  		}
 15758  		lc := auxIntToInt64(v_0.AuxInt)
 15759  		x := v_0.Args[0]
 15760  		if !(lc > rc) {
 15761  			break
 15762  		}
 15763  		v.reset(OpARM64SBFIZ)
 15764  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 15765  		v.AddArg(x)
 15766  		return true
 15767  	}
 15768  	// match: (SRAconst [rc] (SLLconst [lc] x))
 15769  	// cond: lc <= rc
 15770  	// result: (SBFX [armBFAuxInt(rc-lc, 64-rc)] x)
 15771  	for {
 15772  		rc := auxIntToInt64(v.AuxInt)
 15773  		if v_0.Op != OpARM64SLLconst {
 15774  			break
 15775  		}
 15776  		lc := auxIntToInt64(v_0.AuxInt)
 15777  		x := v_0.Args[0]
 15778  		if !(lc <= rc) {
 15779  			break
 15780  		}
 15781  		v.reset(OpARM64SBFX)
 15782  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 15783  		v.AddArg(x)
 15784  		return true
 15785  	}
 15786  	// match: (SRAconst [rc] (MOVWreg x))
 15787  	// cond: rc < 32
 15788  	// result: (SBFX [armBFAuxInt(rc, 32-rc)] x)
 15789  	for {
 15790  		rc := auxIntToInt64(v.AuxInt)
 15791  		if v_0.Op != OpARM64MOVWreg {
 15792  			break
 15793  		}
 15794  		x := v_0.Args[0]
 15795  		if !(rc < 32) {
 15796  			break
 15797  		}
 15798  		v.reset(OpARM64SBFX)
 15799  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32-rc))
 15800  		v.AddArg(x)
 15801  		return true
 15802  	}
 15803  	// match: (SRAconst [rc] (MOVHreg x))
 15804  	// cond: rc < 16
 15805  	// result: (SBFX [armBFAuxInt(rc, 16-rc)] x)
 15806  	for {
 15807  		rc := auxIntToInt64(v.AuxInt)
 15808  		if v_0.Op != OpARM64MOVHreg {
 15809  			break
 15810  		}
 15811  		x := v_0.Args[0]
 15812  		if !(rc < 16) {
 15813  			break
 15814  		}
 15815  		v.reset(OpARM64SBFX)
 15816  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16-rc))
 15817  		v.AddArg(x)
 15818  		return true
 15819  	}
 15820  	// match: (SRAconst [rc] (MOVBreg x))
 15821  	// cond: rc < 8
 15822  	// result: (SBFX [armBFAuxInt(rc, 8-rc)] x)
 15823  	for {
 15824  		rc := auxIntToInt64(v.AuxInt)
 15825  		if v_0.Op != OpARM64MOVBreg {
 15826  			break
 15827  		}
 15828  		x := v_0.Args[0]
 15829  		if !(rc < 8) {
 15830  			break
 15831  		}
 15832  		v.reset(OpARM64SBFX)
 15833  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8-rc))
 15834  		v.AddArg(x)
 15835  		return true
 15836  	}
 15837  	// match: (SRAconst [sc] (SBFIZ [bfc] x))
 15838  	// cond: sc < bfc.getARM64BFlsb()
 15839  	// result: (SBFIZ [armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())] x)
 15840  	for {
 15841  		sc := auxIntToInt64(v.AuxInt)
 15842  		if v_0.Op != OpARM64SBFIZ {
 15843  			break
 15844  		}
 15845  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15846  		x := v_0.Args[0]
 15847  		if !(sc < bfc.getARM64BFlsb()) {
 15848  			break
 15849  		}
 15850  		v.reset(OpARM64SBFIZ)
 15851  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth()))
 15852  		v.AddArg(x)
 15853  		return true
 15854  	}
 15855  	// match: (SRAconst [sc] (SBFIZ [bfc] x))
 15856  	// cond: sc >= bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()
 15857  	// result: (SBFX [armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)] x)
 15858  	for {
 15859  		sc := auxIntToInt64(v.AuxInt)
 15860  		if v_0.Op != OpARM64SBFIZ {
 15861  			break
 15862  		}
 15863  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15864  		x := v_0.Args[0]
 15865  		if !(sc >= bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()) {
 15866  			break
 15867  		}
 15868  		v.reset(OpARM64SBFX)
 15869  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc))
 15870  		v.AddArg(x)
 15871  		return true
 15872  	}
 15873  	return false
 15874  }
 15875  func rewriteValueARM64_OpARM64SRL(v *Value) bool {
 15876  	v_1 := v.Args[1]
 15877  	v_0 := v.Args[0]
 15878  	// match: (SRL x (MOVDconst [c]))
 15879  	// result: (SRLconst x [c&63])
 15880  	for {
 15881  		x := v_0
 15882  		if v_1.Op != OpARM64MOVDconst {
 15883  			break
 15884  		}
 15885  		c := auxIntToInt64(v_1.AuxInt)
 15886  		v.reset(OpARM64SRLconst)
 15887  		v.AuxInt = int64ToAuxInt(c & 63)
 15888  		v.AddArg(x)
 15889  		return true
 15890  	}
 15891  	// match: (SRL x (ANDconst [63] y))
 15892  	// result: (SRL x y)
 15893  	for {
 15894  		x := v_0
 15895  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 15896  			break
 15897  		}
 15898  		y := v_1.Args[0]
 15899  		v.reset(OpARM64SRL)
 15900  		v.AddArg2(x, y)
 15901  		return true
 15902  	}
 15903  	return false
 15904  }
 15905  func rewriteValueARM64_OpARM64SRLconst(v *Value) bool {
 15906  	v_0 := v.Args[0]
 15907  	// match: (SRLconst [c] (MOVDconst [d]))
 15908  	// result: (MOVDconst [int64(uint64(d)>>uint64(c))])
 15909  	for {
 15910  		c := auxIntToInt64(v.AuxInt)
 15911  		if v_0.Op != OpARM64MOVDconst {
 15912  			break
 15913  		}
 15914  		d := auxIntToInt64(v_0.AuxInt)
 15915  		v.reset(OpARM64MOVDconst)
 15916  		v.AuxInt = int64ToAuxInt(int64(uint64(d) >> uint64(c)))
 15917  		return true
 15918  	}
 15919  	// match: (SRLconst [c] (SLLconst [c] x))
 15920  	// cond: 0 < c && c < 64
 15921  	// result: (ANDconst [1<<uint(64-c)-1] x)
 15922  	for {
 15923  		c := auxIntToInt64(v.AuxInt)
 15924  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 15925  			break
 15926  		}
 15927  		x := v_0.Args[0]
 15928  		if !(0 < c && c < 64) {
 15929  			break
 15930  		}
 15931  		v.reset(OpARM64ANDconst)
 15932  		v.AuxInt = int64ToAuxInt(1<<uint(64-c) - 1)
 15933  		v.AddArg(x)
 15934  		return true
 15935  	}
 15936  	// match: (SRLconst [rc] (MOVWUreg x))
 15937  	// cond: rc >= 32
 15938  	// result: (MOVDconst [0])
 15939  	for {
 15940  		rc := auxIntToInt64(v.AuxInt)
 15941  		if v_0.Op != OpARM64MOVWUreg {
 15942  			break
 15943  		}
 15944  		if !(rc >= 32) {
 15945  			break
 15946  		}
 15947  		v.reset(OpARM64MOVDconst)
 15948  		v.AuxInt = int64ToAuxInt(0)
 15949  		return true
 15950  	}
 15951  	// match: (SRLconst [rc] (MOVHUreg x))
 15952  	// cond: rc >= 16
 15953  	// result: (MOVDconst [0])
 15954  	for {
 15955  		rc := auxIntToInt64(v.AuxInt)
 15956  		if v_0.Op != OpARM64MOVHUreg {
 15957  			break
 15958  		}
 15959  		if !(rc >= 16) {
 15960  			break
 15961  		}
 15962  		v.reset(OpARM64MOVDconst)
 15963  		v.AuxInt = int64ToAuxInt(0)
 15964  		return true
 15965  	}
 15966  	// match: (SRLconst [rc] (MOVBUreg x))
 15967  	// cond: rc >= 8
 15968  	// result: (MOVDconst [0])
 15969  	for {
 15970  		rc := auxIntToInt64(v.AuxInt)
 15971  		if v_0.Op != OpARM64MOVBUreg {
 15972  			break
 15973  		}
 15974  		if !(rc >= 8) {
 15975  			break
 15976  		}
 15977  		v.reset(OpARM64MOVDconst)
 15978  		v.AuxInt = int64ToAuxInt(0)
 15979  		return true
 15980  	}
 15981  	// match: (SRLconst [rc] (SLLconst [lc] x))
 15982  	// cond: lc > rc
 15983  	// result: (UBFIZ [armBFAuxInt(lc-rc, 64-lc)] x)
 15984  	for {
 15985  		rc := auxIntToInt64(v.AuxInt)
 15986  		if v_0.Op != OpARM64SLLconst {
 15987  			break
 15988  		}
 15989  		lc := auxIntToInt64(v_0.AuxInt)
 15990  		x := v_0.Args[0]
 15991  		if !(lc > rc) {
 15992  			break
 15993  		}
 15994  		v.reset(OpARM64UBFIZ)
 15995  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 15996  		v.AddArg(x)
 15997  		return true
 15998  	}
 15999  	// match: (SRLconst [rc] (SLLconst [lc] x))
 16000  	// cond: lc < rc
 16001  	// result: (UBFX [armBFAuxInt(rc-lc, 64-rc)] x)
 16002  	for {
 16003  		rc := auxIntToInt64(v.AuxInt)
 16004  		if v_0.Op != OpARM64SLLconst {
 16005  			break
 16006  		}
 16007  		lc := auxIntToInt64(v_0.AuxInt)
 16008  		x := v_0.Args[0]
 16009  		if !(lc < rc) {
 16010  			break
 16011  		}
 16012  		v.reset(OpARM64UBFX)
 16013  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 16014  		v.AddArg(x)
 16015  		return true
 16016  	}
 16017  	// match: (SRLconst [rc] (MOVWUreg x))
 16018  	// cond: rc < 32
 16019  	// result: (UBFX [armBFAuxInt(rc, 32-rc)] x)
 16020  	for {
 16021  		rc := auxIntToInt64(v.AuxInt)
 16022  		if v_0.Op != OpARM64MOVWUreg {
 16023  			break
 16024  		}
 16025  		x := v_0.Args[0]
 16026  		if !(rc < 32) {
 16027  			break
 16028  		}
 16029  		v.reset(OpARM64UBFX)
 16030  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32-rc))
 16031  		v.AddArg(x)
 16032  		return true
 16033  	}
 16034  	// match: (SRLconst [rc] (MOVHUreg x))
 16035  	// cond: rc < 16
 16036  	// result: (UBFX [armBFAuxInt(rc, 16-rc)] x)
 16037  	for {
 16038  		rc := auxIntToInt64(v.AuxInt)
 16039  		if v_0.Op != OpARM64MOVHUreg {
 16040  			break
 16041  		}
 16042  		x := v_0.Args[0]
 16043  		if !(rc < 16) {
 16044  			break
 16045  		}
 16046  		v.reset(OpARM64UBFX)
 16047  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16-rc))
 16048  		v.AddArg(x)
 16049  		return true
 16050  	}
 16051  	// match: (SRLconst [rc] (MOVBUreg x))
 16052  	// cond: rc < 8
 16053  	// result: (UBFX [armBFAuxInt(rc, 8-rc)] x)
 16054  	for {
 16055  		rc := auxIntToInt64(v.AuxInt)
 16056  		if v_0.Op != OpARM64MOVBUreg {
 16057  			break
 16058  		}
 16059  		x := v_0.Args[0]
 16060  		if !(rc < 8) {
 16061  			break
 16062  		}
 16063  		v.reset(OpARM64UBFX)
 16064  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8-rc))
 16065  		v.AddArg(x)
 16066  		return true
 16067  	}
 16068  	// match: (SRLconst [sc] (ANDconst [ac] x))
 16069  	// cond: isARM64BFMask(sc, ac, sc)
 16070  	// result: (UBFX [armBFAuxInt(sc, arm64BFWidth(ac, sc))] x)
 16071  	for {
 16072  		sc := auxIntToInt64(v.AuxInt)
 16073  		if v_0.Op != OpARM64ANDconst {
 16074  			break
 16075  		}
 16076  		ac := auxIntToInt64(v_0.AuxInt)
 16077  		x := v_0.Args[0]
 16078  		if !(isARM64BFMask(sc, ac, sc)) {
 16079  			break
 16080  		}
 16081  		v.reset(OpARM64UBFX)
 16082  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, sc)))
 16083  		v.AddArg(x)
 16084  		return true
 16085  	}
 16086  	// match: (SRLconst [sc] (UBFX [bfc] x))
 16087  	// cond: sc < bfc.getARM64BFwidth()
 16088  	// result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc)] x)
 16089  	for {
 16090  		sc := auxIntToInt64(v.AuxInt)
 16091  		if v_0.Op != OpARM64UBFX {
 16092  			break
 16093  		}
 16094  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16095  		x := v_0.Args[0]
 16096  		if !(sc < bfc.getARM64BFwidth()) {
 16097  			break
 16098  		}
 16099  		v.reset(OpARM64UBFX)
 16100  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc))
 16101  		v.AddArg(x)
 16102  		return true
 16103  	}
 16104  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16105  	// cond: sc == bfc.getARM64BFlsb()
 16106  	// result: (ANDconst [1<<uint(bfc.getARM64BFwidth())-1] x)
 16107  	for {
 16108  		sc := auxIntToInt64(v.AuxInt)
 16109  		if v_0.Op != OpARM64UBFIZ {
 16110  			break
 16111  		}
 16112  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16113  		x := v_0.Args[0]
 16114  		if !(sc == bfc.getARM64BFlsb()) {
 16115  			break
 16116  		}
 16117  		v.reset(OpARM64ANDconst)
 16118  		v.AuxInt = int64ToAuxInt(1<<uint(bfc.getARM64BFwidth()) - 1)
 16119  		v.AddArg(x)
 16120  		return true
 16121  	}
 16122  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16123  	// cond: sc < bfc.getARM64BFlsb()
 16124  	// result: (UBFIZ [armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())] x)
 16125  	for {
 16126  		sc := auxIntToInt64(v.AuxInt)
 16127  		if v_0.Op != OpARM64UBFIZ {
 16128  			break
 16129  		}
 16130  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16131  		x := v_0.Args[0]
 16132  		if !(sc < bfc.getARM64BFlsb()) {
 16133  			break
 16134  		}
 16135  		v.reset(OpARM64UBFIZ)
 16136  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth()))
 16137  		v.AddArg(x)
 16138  		return true
 16139  	}
 16140  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16141  	// cond: sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()
 16142  	// result: (UBFX [armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)] x)
 16143  	for {
 16144  		sc := auxIntToInt64(v.AuxInt)
 16145  		if v_0.Op != OpARM64UBFIZ {
 16146  			break
 16147  		}
 16148  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16149  		x := v_0.Args[0]
 16150  		if !(sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()) {
 16151  			break
 16152  		}
 16153  		v.reset(OpARM64UBFX)
 16154  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc))
 16155  		v.AddArg(x)
 16156  		return true
 16157  	}
 16158  	return false
 16159  }
 16160  func rewriteValueARM64_OpARM64STP(v *Value) bool {
 16161  	v_3 := v.Args[3]
 16162  	v_2 := v.Args[2]
 16163  	v_1 := v.Args[1]
 16164  	v_0 := v.Args[0]
 16165  	b := v.Block
 16166  	config := b.Func.Config
 16167  	// match: (STP [off1] {sym} (ADDconst [off2] ptr) val1 val2 mem)
 16168  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 16169  	// result: (STP [off1+int32(off2)] {sym} ptr val1 val2 mem)
 16170  	for {
 16171  		off1 := auxIntToInt32(v.AuxInt)
 16172  		sym := auxToSym(v.Aux)
 16173  		if v_0.Op != OpARM64ADDconst {
 16174  			break
 16175  		}
 16176  		off2 := auxIntToInt64(v_0.AuxInt)
 16177  		ptr := v_0.Args[0]
 16178  		val1 := v_1
 16179  		val2 := v_2
 16180  		mem := v_3
 16181  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 16182  			break
 16183  		}
 16184  		v.reset(OpARM64STP)
 16185  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 16186  		v.Aux = symToAux(sym)
 16187  		v.AddArg4(ptr, val1, val2, mem)
 16188  		return true
 16189  	}
 16190  	// match: (STP [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val1 val2 mem)
 16191  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 16192  	// result: (STP [off1+off2] {mergeSym(sym1,sym2)} ptr val1 val2 mem)
 16193  	for {
 16194  		off1 := auxIntToInt32(v.AuxInt)
 16195  		sym1 := auxToSym(v.Aux)
 16196  		if v_0.Op != OpARM64MOVDaddr {
 16197  			break
 16198  		}
 16199  		off2 := auxIntToInt32(v_0.AuxInt)
 16200  		sym2 := auxToSym(v_0.Aux)
 16201  		ptr := v_0.Args[0]
 16202  		val1 := v_1
 16203  		val2 := v_2
 16204  		mem := v_3
 16205  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 16206  			break
 16207  		}
 16208  		v.reset(OpARM64STP)
 16209  		v.AuxInt = int32ToAuxInt(off1 + off2)
 16210  		v.Aux = symToAux(mergeSym(sym1, sym2))
 16211  		v.AddArg4(ptr, val1, val2, mem)
 16212  		return true
 16213  	}
 16214  	// match: (STP [off] {sym} ptr (MOVDconst [0]) (MOVDconst [0]) mem)
 16215  	// result: (MOVQstorezero [off] {sym} ptr mem)
 16216  	for {
 16217  		off := auxIntToInt32(v.AuxInt)
 16218  		sym := auxToSym(v.Aux)
 16219  		ptr := v_0
 16220  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 || v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 16221  			break
 16222  		}
 16223  		mem := v_3
 16224  		v.reset(OpARM64MOVQstorezero)
 16225  		v.AuxInt = int32ToAuxInt(off)
 16226  		v.Aux = symToAux(sym)
 16227  		v.AddArg2(ptr, mem)
 16228  		return true
 16229  	}
 16230  	return false
 16231  }
 16232  func rewriteValueARM64_OpARM64SUB(v *Value) bool {
 16233  	v_1 := v.Args[1]
 16234  	v_0 := v.Args[0]
 16235  	b := v.Block
 16236  	// match: (SUB x (MOVDconst [c]))
 16237  	// result: (SUBconst [c] x)
 16238  	for {
 16239  		x := v_0
 16240  		if v_1.Op != OpARM64MOVDconst {
 16241  			break
 16242  		}
 16243  		c := auxIntToInt64(v_1.AuxInt)
 16244  		v.reset(OpARM64SUBconst)
 16245  		v.AuxInt = int64ToAuxInt(c)
 16246  		v.AddArg(x)
 16247  		return true
 16248  	}
 16249  	// match: (SUB a l:(MUL x y))
 16250  	// cond: l.Uses==1 && clobber(l)
 16251  	// result: (MSUB a x y)
 16252  	for {
 16253  		a := v_0
 16254  		l := v_1
 16255  		if l.Op != OpARM64MUL {
 16256  			break
 16257  		}
 16258  		y := l.Args[1]
 16259  		x := l.Args[0]
 16260  		if !(l.Uses == 1 && clobber(l)) {
 16261  			break
 16262  		}
 16263  		v.reset(OpARM64MSUB)
 16264  		v.AddArg3(a, x, y)
 16265  		return true
 16266  	}
 16267  	// match: (SUB a l:(MNEG x y))
 16268  	// cond: l.Uses==1 && clobber(l)
 16269  	// result: (MADD a x y)
 16270  	for {
 16271  		a := v_0
 16272  		l := v_1
 16273  		if l.Op != OpARM64MNEG {
 16274  			break
 16275  		}
 16276  		y := l.Args[1]
 16277  		x := l.Args[0]
 16278  		if !(l.Uses == 1 && clobber(l)) {
 16279  			break
 16280  		}
 16281  		v.reset(OpARM64MADD)
 16282  		v.AddArg3(a, x, y)
 16283  		return true
 16284  	}
 16285  	// match: (SUB a l:(MULW x y))
 16286  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
 16287  	// result: (MSUBW a x y)
 16288  	for {
 16289  		a := v_0
 16290  		l := v_1
 16291  		if l.Op != OpARM64MULW {
 16292  			break
 16293  		}
 16294  		y := l.Args[1]
 16295  		x := l.Args[0]
 16296  		if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
 16297  			break
 16298  		}
 16299  		v.reset(OpARM64MSUBW)
 16300  		v.AddArg3(a, x, y)
 16301  		return true
 16302  	}
 16303  	// match: (SUB a l:(MNEGW x y))
 16304  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
 16305  	// result: (MADDW a x y)
 16306  	for {
 16307  		a := v_0
 16308  		l := v_1
 16309  		if l.Op != OpARM64MNEGW {
 16310  			break
 16311  		}
 16312  		y := l.Args[1]
 16313  		x := l.Args[0]
 16314  		if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
 16315  			break
 16316  		}
 16317  		v.reset(OpARM64MADDW)
 16318  		v.AddArg3(a, x, y)
 16319  		return true
 16320  	}
 16321  	// match: (SUB x x)
 16322  	// result: (MOVDconst [0])
 16323  	for {
 16324  		x := v_0
 16325  		if x != v_1 {
 16326  			break
 16327  		}
 16328  		v.reset(OpARM64MOVDconst)
 16329  		v.AuxInt = int64ToAuxInt(0)
 16330  		return true
 16331  	}
 16332  	// match: (SUB x (SUB y z))
 16333  	// result: (SUB (ADD <v.Type> x z) y)
 16334  	for {
 16335  		x := v_0
 16336  		if v_1.Op != OpARM64SUB {
 16337  			break
 16338  		}
 16339  		z := v_1.Args[1]
 16340  		y := v_1.Args[0]
 16341  		v.reset(OpARM64SUB)
 16342  		v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
 16343  		v0.AddArg2(x, z)
 16344  		v.AddArg2(v0, y)
 16345  		return true
 16346  	}
 16347  	// match: (SUB (SUB x y) z)
 16348  	// result: (SUB x (ADD <y.Type> y z))
 16349  	for {
 16350  		if v_0.Op != OpARM64SUB {
 16351  			break
 16352  		}
 16353  		y := v_0.Args[1]
 16354  		x := v_0.Args[0]
 16355  		z := v_1
 16356  		v.reset(OpARM64SUB)
 16357  		v0 := b.NewValue0(v.Pos, OpARM64ADD, y.Type)
 16358  		v0.AddArg2(y, z)
 16359  		v.AddArg2(x, v0)
 16360  		return true
 16361  	}
 16362  	// match: (SUB x0 x1:(SLLconst [c] y))
 16363  	// cond: clobberIfDead(x1)
 16364  	// result: (SUBshiftLL x0 y [c])
 16365  	for {
 16366  		x0 := v_0
 16367  		x1 := v_1
 16368  		if x1.Op != OpARM64SLLconst {
 16369  			break
 16370  		}
 16371  		c := auxIntToInt64(x1.AuxInt)
 16372  		y := x1.Args[0]
 16373  		if !(clobberIfDead(x1)) {
 16374  			break
 16375  		}
 16376  		v.reset(OpARM64SUBshiftLL)
 16377  		v.AuxInt = int64ToAuxInt(c)
 16378  		v.AddArg2(x0, y)
 16379  		return true
 16380  	}
 16381  	// match: (SUB x0 x1:(SRLconst [c] y))
 16382  	// cond: clobberIfDead(x1)
 16383  	// result: (SUBshiftRL x0 y [c])
 16384  	for {
 16385  		x0 := v_0
 16386  		x1 := v_1
 16387  		if x1.Op != OpARM64SRLconst {
 16388  			break
 16389  		}
 16390  		c := auxIntToInt64(x1.AuxInt)
 16391  		y := x1.Args[0]
 16392  		if !(clobberIfDead(x1)) {
 16393  			break
 16394  		}
 16395  		v.reset(OpARM64SUBshiftRL)
 16396  		v.AuxInt = int64ToAuxInt(c)
 16397  		v.AddArg2(x0, y)
 16398  		return true
 16399  	}
 16400  	// match: (SUB x0 x1:(SRAconst [c] y))
 16401  	// cond: clobberIfDead(x1)
 16402  	// result: (SUBshiftRA x0 y [c])
 16403  	for {
 16404  		x0 := v_0
 16405  		x1 := v_1
 16406  		if x1.Op != OpARM64SRAconst {
 16407  			break
 16408  		}
 16409  		c := auxIntToInt64(x1.AuxInt)
 16410  		y := x1.Args[0]
 16411  		if !(clobberIfDead(x1)) {
 16412  			break
 16413  		}
 16414  		v.reset(OpARM64SUBshiftRA)
 16415  		v.AuxInt = int64ToAuxInt(c)
 16416  		v.AddArg2(x0, y)
 16417  		return true
 16418  	}
 16419  	return false
 16420  }
 16421  func rewriteValueARM64_OpARM64SUBconst(v *Value) bool {
 16422  	v_0 := v.Args[0]
 16423  	// match: (SUBconst [0] x)
 16424  	// result: x
 16425  	for {
 16426  		if auxIntToInt64(v.AuxInt) != 0 {
 16427  			break
 16428  		}
 16429  		x := v_0
 16430  		v.copyOf(x)
 16431  		return true
 16432  	}
 16433  	// match: (SUBconst [c] (MOVDconst [d]))
 16434  	// result: (MOVDconst [d-c])
 16435  	for {
 16436  		c := auxIntToInt64(v.AuxInt)
 16437  		if v_0.Op != OpARM64MOVDconst {
 16438  			break
 16439  		}
 16440  		d := auxIntToInt64(v_0.AuxInt)
 16441  		v.reset(OpARM64MOVDconst)
 16442  		v.AuxInt = int64ToAuxInt(d - c)
 16443  		return true
 16444  	}
 16445  	// match: (SUBconst [c] (SUBconst [d] x))
 16446  	// result: (ADDconst [-c-d] x)
 16447  	for {
 16448  		c := auxIntToInt64(v.AuxInt)
 16449  		if v_0.Op != OpARM64SUBconst {
 16450  			break
 16451  		}
 16452  		d := auxIntToInt64(v_0.AuxInt)
 16453  		x := v_0.Args[0]
 16454  		v.reset(OpARM64ADDconst)
 16455  		v.AuxInt = int64ToAuxInt(-c - d)
 16456  		v.AddArg(x)
 16457  		return true
 16458  	}
 16459  	// match: (SUBconst [c] (ADDconst [d] x))
 16460  	// result: (ADDconst [-c+d] x)
 16461  	for {
 16462  		c := auxIntToInt64(v.AuxInt)
 16463  		if v_0.Op != OpARM64ADDconst {
 16464  			break
 16465  		}
 16466  		d := auxIntToInt64(v_0.AuxInt)
 16467  		x := v_0.Args[0]
 16468  		v.reset(OpARM64ADDconst)
 16469  		v.AuxInt = int64ToAuxInt(-c + d)
 16470  		v.AddArg(x)
 16471  		return true
 16472  	}
 16473  	return false
 16474  }
 16475  func rewriteValueARM64_OpARM64SUBshiftLL(v *Value) bool {
 16476  	v_1 := v.Args[1]
 16477  	v_0 := v.Args[0]
 16478  	// match: (SUBshiftLL x (MOVDconst [c]) [d])
 16479  	// result: (SUBconst x [int64(uint64(c)<<uint64(d))])
 16480  	for {
 16481  		d := auxIntToInt64(v.AuxInt)
 16482  		x := v_0
 16483  		if v_1.Op != OpARM64MOVDconst {
 16484  			break
 16485  		}
 16486  		c := auxIntToInt64(v_1.AuxInt)
 16487  		v.reset(OpARM64SUBconst)
 16488  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 16489  		v.AddArg(x)
 16490  		return true
 16491  	}
 16492  	// match: (SUBshiftLL (SLLconst x [c]) x [c])
 16493  	// result: (MOVDconst [0])
 16494  	for {
 16495  		c := auxIntToInt64(v.AuxInt)
 16496  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 16497  			break
 16498  		}
 16499  		x := v_0.Args[0]
 16500  		if x != v_1 {
 16501  			break
 16502  		}
 16503  		v.reset(OpARM64MOVDconst)
 16504  		v.AuxInt = int64ToAuxInt(0)
 16505  		return true
 16506  	}
 16507  	return false
 16508  }
 16509  func rewriteValueARM64_OpARM64SUBshiftRA(v *Value) bool {
 16510  	v_1 := v.Args[1]
 16511  	v_0 := v.Args[0]
 16512  	// match: (SUBshiftRA x (MOVDconst [c]) [d])
 16513  	// result: (SUBconst x [c>>uint64(d)])
 16514  	for {
 16515  		d := auxIntToInt64(v.AuxInt)
 16516  		x := v_0
 16517  		if v_1.Op != OpARM64MOVDconst {
 16518  			break
 16519  		}
 16520  		c := auxIntToInt64(v_1.AuxInt)
 16521  		v.reset(OpARM64SUBconst)
 16522  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 16523  		v.AddArg(x)
 16524  		return true
 16525  	}
 16526  	// match: (SUBshiftRA (SRAconst x [c]) x [c])
 16527  	// result: (MOVDconst [0])
 16528  	for {
 16529  		c := auxIntToInt64(v.AuxInt)
 16530  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 16531  			break
 16532  		}
 16533  		x := v_0.Args[0]
 16534  		if x != v_1 {
 16535  			break
 16536  		}
 16537  		v.reset(OpARM64MOVDconst)
 16538  		v.AuxInt = int64ToAuxInt(0)
 16539  		return true
 16540  	}
 16541  	return false
 16542  }
 16543  func rewriteValueARM64_OpARM64SUBshiftRL(v *Value) bool {
 16544  	v_1 := v.Args[1]
 16545  	v_0 := v.Args[0]
 16546  	// match: (SUBshiftRL x (MOVDconst [c]) [d])
 16547  	// result: (SUBconst x [int64(uint64(c)>>uint64(d))])
 16548  	for {
 16549  		d := auxIntToInt64(v.AuxInt)
 16550  		x := v_0
 16551  		if v_1.Op != OpARM64MOVDconst {
 16552  			break
 16553  		}
 16554  		c := auxIntToInt64(v_1.AuxInt)
 16555  		v.reset(OpARM64SUBconst)
 16556  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 16557  		v.AddArg(x)
 16558  		return true
 16559  	}
 16560  	// match: (SUBshiftRL (SRLconst x [c]) x [c])
 16561  	// result: (MOVDconst [0])
 16562  	for {
 16563  		c := auxIntToInt64(v.AuxInt)
 16564  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 16565  			break
 16566  		}
 16567  		x := v_0.Args[0]
 16568  		if x != v_1 {
 16569  			break
 16570  		}
 16571  		v.reset(OpARM64MOVDconst)
 16572  		v.AuxInt = int64ToAuxInt(0)
 16573  		return true
 16574  	}
 16575  	return false
 16576  }
 16577  func rewriteValueARM64_OpARM64TST(v *Value) bool {
 16578  	v_1 := v.Args[1]
 16579  	v_0 := v.Args[0]
 16580  	// match: (TST x (MOVDconst [c]))
 16581  	// result: (TSTconst [c] x)
 16582  	for {
 16583  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 16584  			x := v_0
 16585  			if v_1.Op != OpARM64MOVDconst {
 16586  				continue
 16587  			}
 16588  			c := auxIntToInt64(v_1.AuxInt)
 16589  			v.reset(OpARM64TSTconst)
 16590  			v.AuxInt = int64ToAuxInt(c)
 16591  			v.AddArg(x)
 16592  			return true
 16593  		}
 16594  		break
 16595  	}
 16596  	// match: (TST x0 x1:(SLLconst [c] y))
 16597  	// cond: clobberIfDead(x1)
 16598  	// result: (TSTshiftLL x0 y [c])
 16599  	for {
 16600  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 16601  			x0 := v_0
 16602  			x1 := v_1
 16603  			if x1.Op != OpARM64SLLconst {
 16604  				continue
 16605  			}
 16606  			c := auxIntToInt64(x1.AuxInt)
 16607  			y := x1.Args[0]
 16608  			if !(clobberIfDead(x1)) {
 16609  				continue
 16610  			}
 16611  			v.reset(OpARM64TSTshiftLL)
 16612  			v.AuxInt = int64ToAuxInt(c)
 16613  			v.AddArg2(x0, y)
 16614  			return true
 16615  		}
 16616  		break
 16617  	}
 16618  	// match: (TST x0 x1:(SRLconst [c] y))
 16619  	// cond: clobberIfDead(x1)
 16620  	// result: (TSTshiftRL x0 y [c])
 16621  	for {
 16622  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 16623  			x0 := v_0
 16624  			x1 := v_1
 16625  			if x1.Op != OpARM64SRLconst {
 16626  				continue
 16627  			}
 16628  			c := auxIntToInt64(x1.AuxInt)
 16629  			y := x1.Args[0]
 16630  			if !(clobberIfDead(x1)) {
 16631  				continue
 16632  			}
 16633  			v.reset(OpARM64TSTshiftRL)
 16634  			v.AuxInt = int64ToAuxInt(c)
 16635  			v.AddArg2(x0, y)
 16636  			return true
 16637  		}
 16638  		break
 16639  	}
 16640  	// match: (TST x0 x1:(SRAconst [c] y))
 16641  	// cond: clobberIfDead(x1)
 16642  	// result: (TSTshiftRA x0 y [c])
 16643  	for {
 16644  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 16645  			x0 := v_0
 16646  			x1 := v_1
 16647  			if x1.Op != OpARM64SRAconst {
 16648  				continue
 16649  			}
 16650  			c := auxIntToInt64(x1.AuxInt)
 16651  			y := x1.Args[0]
 16652  			if !(clobberIfDead(x1)) {
 16653  				continue
 16654  			}
 16655  			v.reset(OpARM64TSTshiftRA)
 16656  			v.AuxInt = int64ToAuxInt(c)
 16657  			v.AddArg2(x0, y)
 16658  			return true
 16659  		}
 16660  		break
 16661  	}
 16662  	// match: (TST x0 x1:(RORconst [c] y))
 16663  	// cond: clobberIfDead(x1)
 16664  	// result: (TSTshiftRO x0 y [c])
 16665  	for {
 16666  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 16667  			x0 := v_0
 16668  			x1 := v_1
 16669  			if x1.Op != OpARM64RORconst {
 16670  				continue
 16671  			}
 16672  			c := auxIntToInt64(x1.AuxInt)
 16673  			y := x1.Args[0]
 16674  			if !(clobberIfDead(x1)) {
 16675  				continue
 16676  			}
 16677  			v.reset(OpARM64TSTshiftRO)
 16678  			v.AuxInt = int64ToAuxInt(c)
 16679  			v.AddArg2(x0, y)
 16680  			return true
 16681  		}
 16682  		break
 16683  	}
 16684  	return false
 16685  }
 16686  func rewriteValueARM64_OpARM64TSTW(v *Value) bool {
 16687  	v_1 := v.Args[1]
 16688  	v_0 := v.Args[0]
 16689  	// match: (TSTW x (MOVDconst [c]))
 16690  	// result: (TSTWconst [int32(c)] x)
 16691  	for {
 16692  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 16693  			x := v_0
 16694  			if v_1.Op != OpARM64MOVDconst {
 16695  				continue
 16696  			}
 16697  			c := auxIntToInt64(v_1.AuxInt)
 16698  			v.reset(OpARM64TSTWconst)
 16699  			v.AuxInt = int32ToAuxInt(int32(c))
 16700  			v.AddArg(x)
 16701  			return true
 16702  		}
 16703  		break
 16704  	}
 16705  	return false
 16706  }
 16707  func rewriteValueARM64_OpARM64TSTWconst(v *Value) bool {
 16708  	v_0 := v.Args[0]
 16709  	// match: (TSTWconst (MOVDconst [x]) [y])
 16710  	// result: (FlagConstant [logicFlags32(int32(x)&y)])
 16711  	for {
 16712  		y := auxIntToInt32(v.AuxInt)
 16713  		if v_0.Op != OpARM64MOVDconst {
 16714  			break
 16715  		}
 16716  		x := auxIntToInt64(v_0.AuxInt)
 16717  		v.reset(OpARM64FlagConstant)
 16718  		v.AuxInt = flagConstantToAuxInt(logicFlags32(int32(x) & y))
 16719  		return true
 16720  	}
 16721  	return false
 16722  }
 16723  func rewriteValueARM64_OpARM64TSTconst(v *Value) bool {
 16724  	v_0 := v.Args[0]
 16725  	// match: (TSTconst (MOVDconst [x]) [y])
 16726  	// result: (FlagConstant [logicFlags64(x&y)])
 16727  	for {
 16728  		y := auxIntToInt64(v.AuxInt)
 16729  		if v_0.Op != OpARM64MOVDconst {
 16730  			break
 16731  		}
 16732  		x := auxIntToInt64(v_0.AuxInt)
 16733  		v.reset(OpARM64FlagConstant)
 16734  		v.AuxInt = flagConstantToAuxInt(logicFlags64(x & y))
 16735  		return true
 16736  	}
 16737  	return false
 16738  }
 16739  func rewriteValueARM64_OpARM64TSTshiftLL(v *Value) bool {
 16740  	v_1 := v.Args[1]
 16741  	v_0 := v.Args[0]
 16742  	b := v.Block
 16743  	// match: (TSTshiftLL (MOVDconst [c]) x [d])
 16744  	// result: (TSTconst [c] (SLLconst <x.Type> x [d]))
 16745  	for {
 16746  		d := auxIntToInt64(v.AuxInt)
 16747  		if v_0.Op != OpARM64MOVDconst {
 16748  			break
 16749  		}
 16750  		c := auxIntToInt64(v_0.AuxInt)
 16751  		x := v_1
 16752  		v.reset(OpARM64TSTconst)
 16753  		v.AuxInt = int64ToAuxInt(c)
 16754  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 16755  		v0.AuxInt = int64ToAuxInt(d)
 16756  		v0.AddArg(x)
 16757  		v.AddArg(v0)
 16758  		return true
 16759  	}
 16760  	// match: (TSTshiftLL x (MOVDconst [c]) [d])
 16761  	// result: (TSTconst x [int64(uint64(c)<<uint64(d))])
 16762  	for {
 16763  		d := auxIntToInt64(v.AuxInt)
 16764  		x := v_0
 16765  		if v_1.Op != OpARM64MOVDconst {
 16766  			break
 16767  		}
 16768  		c := auxIntToInt64(v_1.AuxInt)
 16769  		v.reset(OpARM64TSTconst)
 16770  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 16771  		v.AddArg(x)
 16772  		return true
 16773  	}
 16774  	return false
 16775  }
 16776  func rewriteValueARM64_OpARM64TSTshiftRA(v *Value) bool {
 16777  	v_1 := v.Args[1]
 16778  	v_0 := v.Args[0]
 16779  	b := v.Block
 16780  	// match: (TSTshiftRA (MOVDconst [c]) x [d])
 16781  	// result: (TSTconst [c] (SRAconst <x.Type> x [d]))
 16782  	for {
 16783  		d := auxIntToInt64(v.AuxInt)
 16784  		if v_0.Op != OpARM64MOVDconst {
 16785  			break
 16786  		}
 16787  		c := auxIntToInt64(v_0.AuxInt)
 16788  		x := v_1
 16789  		v.reset(OpARM64TSTconst)
 16790  		v.AuxInt = int64ToAuxInt(c)
 16791  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 16792  		v0.AuxInt = int64ToAuxInt(d)
 16793  		v0.AddArg(x)
 16794  		v.AddArg(v0)
 16795  		return true
 16796  	}
 16797  	// match: (TSTshiftRA x (MOVDconst [c]) [d])
 16798  	// result: (TSTconst x [c>>uint64(d)])
 16799  	for {
 16800  		d := auxIntToInt64(v.AuxInt)
 16801  		x := v_0
 16802  		if v_1.Op != OpARM64MOVDconst {
 16803  			break
 16804  		}
 16805  		c := auxIntToInt64(v_1.AuxInt)
 16806  		v.reset(OpARM64TSTconst)
 16807  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 16808  		v.AddArg(x)
 16809  		return true
 16810  	}
 16811  	return false
 16812  }
 16813  func rewriteValueARM64_OpARM64TSTshiftRL(v *Value) bool {
 16814  	v_1 := v.Args[1]
 16815  	v_0 := v.Args[0]
 16816  	b := v.Block
 16817  	// match: (TSTshiftRL (MOVDconst [c]) x [d])
 16818  	// result: (TSTconst [c] (SRLconst <x.Type> x [d]))
 16819  	for {
 16820  		d := auxIntToInt64(v.AuxInt)
 16821  		if v_0.Op != OpARM64MOVDconst {
 16822  			break
 16823  		}
 16824  		c := auxIntToInt64(v_0.AuxInt)
 16825  		x := v_1
 16826  		v.reset(OpARM64TSTconst)
 16827  		v.AuxInt = int64ToAuxInt(c)
 16828  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 16829  		v0.AuxInt = int64ToAuxInt(d)
 16830  		v0.AddArg(x)
 16831  		v.AddArg(v0)
 16832  		return true
 16833  	}
 16834  	// match: (TSTshiftRL x (MOVDconst [c]) [d])
 16835  	// result: (TSTconst x [int64(uint64(c)>>uint64(d))])
 16836  	for {
 16837  		d := auxIntToInt64(v.AuxInt)
 16838  		x := v_0
 16839  		if v_1.Op != OpARM64MOVDconst {
 16840  			break
 16841  		}
 16842  		c := auxIntToInt64(v_1.AuxInt)
 16843  		v.reset(OpARM64TSTconst)
 16844  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 16845  		v.AddArg(x)
 16846  		return true
 16847  	}
 16848  	return false
 16849  }
 16850  func rewriteValueARM64_OpARM64TSTshiftRO(v *Value) bool {
 16851  	v_1 := v.Args[1]
 16852  	v_0 := v.Args[0]
 16853  	b := v.Block
 16854  	// match: (TSTshiftRO (MOVDconst [c]) x [d])
 16855  	// result: (TSTconst [c] (RORconst <x.Type> x [d]))
 16856  	for {
 16857  		d := auxIntToInt64(v.AuxInt)
 16858  		if v_0.Op != OpARM64MOVDconst {
 16859  			break
 16860  		}
 16861  		c := auxIntToInt64(v_0.AuxInt)
 16862  		x := v_1
 16863  		v.reset(OpARM64TSTconst)
 16864  		v.AuxInt = int64ToAuxInt(c)
 16865  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 16866  		v0.AuxInt = int64ToAuxInt(d)
 16867  		v0.AddArg(x)
 16868  		v.AddArg(v0)
 16869  		return true
 16870  	}
 16871  	// match: (TSTshiftRO x (MOVDconst [c]) [d])
 16872  	// result: (TSTconst x [rotateRight64(c, d)])
 16873  	for {
 16874  		d := auxIntToInt64(v.AuxInt)
 16875  		x := v_0
 16876  		if v_1.Op != OpARM64MOVDconst {
 16877  			break
 16878  		}
 16879  		c := auxIntToInt64(v_1.AuxInt)
 16880  		v.reset(OpARM64TSTconst)
 16881  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 16882  		v.AddArg(x)
 16883  		return true
 16884  	}
 16885  	return false
 16886  }
 16887  func rewriteValueARM64_OpARM64UBFIZ(v *Value) bool {
 16888  	v_0 := v.Args[0]
 16889  	// match: (UBFIZ [bfc] (SLLconst [sc] x))
 16890  	// cond: sc < bfc.getARM64BFwidth()
 16891  	// result: (UBFIZ [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc)] x)
 16892  	for {
 16893  		bfc := auxIntToArm64BitField(v.AuxInt)
 16894  		if v_0.Op != OpARM64SLLconst {
 16895  			break
 16896  		}
 16897  		sc := auxIntToInt64(v_0.AuxInt)
 16898  		x := v_0.Args[0]
 16899  		if !(sc < bfc.getARM64BFwidth()) {
 16900  			break
 16901  		}
 16902  		v.reset(OpARM64UBFIZ)
 16903  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc))
 16904  		v.AddArg(x)
 16905  		return true
 16906  	}
 16907  	return false
 16908  }
 16909  func rewriteValueARM64_OpARM64UBFX(v *Value) bool {
 16910  	v_0 := v.Args[0]
 16911  	// match: (UBFX [bfc] (ANDconst [c] x))
 16912  	// cond: isARM64BFMask(0, c, 0) && bfc.getARM64BFlsb() + bfc.getARM64BFwidth() <= arm64BFWidth(c, 0)
 16913  	// result: (UBFX [bfc] x)
 16914  	for {
 16915  		bfc := auxIntToArm64BitField(v.AuxInt)
 16916  		if v_0.Op != OpARM64ANDconst {
 16917  			break
 16918  		}
 16919  		c := auxIntToInt64(v_0.AuxInt)
 16920  		x := v_0.Args[0]
 16921  		if !(isARM64BFMask(0, c, 0) && bfc.getARM64BFlsb()+bfc.getARM64BFwidth() <= arm64BFWidth(c, 0)) {
 16922  			break
 16923  		}
 16924  		v.reset(OpARM64UBFX)
 16925  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 16926  		v.AddArg(x)
 16927  		return true
 16928  	}
 16929  	// match: (UBFX [bfc] (SRLconst [sc] x))
 16930  	// cond: sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64
 16931  	// result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth())] x)
 16932  	for {
 16933  		bfc := auxIntToArm64BitField(v.AuxInt)
 16934  		if v_0.Op != OpARM64SRLconst {
 16935  			break
 16936  		}
 16937  		sc := auxIntToInt64(v_0.AuxInt)
 16938  		x := v_0.Args[0]
 16939  		if !(sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64) {
 16940  			break
 16941  		}
 16942  		v.reset(OpARM64UBFX)
 16943  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()))
 16944  		v.AddArg(x)
 16945  		return true
 16946  	}
 16947  	// match: (UBFX [bfc] (SLLconst [sc] x))
 16948  	// cond: sc == bfc.getARM64BFlsb()
 16949  	// result: (ANDconst [1<<uint(bfc.getARM64BFwidth())-1] x)
 16950  	for {
 16951  		bfc := auxIntToArm64BitField(v.AuxInt)
 16952  		if v_0.Op != OpARM64SLLconst {
 16953  			break
 16954  		}
 16955  		sc := auxIntToInt64(v_0.AuxInt)
 16956  		x := v_0.Args[0]
 16957  		if !(sc == bfc.getARM64BFlsb()) {
 16958  			break
 16959  		}
 16960  		v.reset(OpARM64ANDconst)
 16961  		v.AuxInt = int64ToAuxInt(1<<uint(bfc.getARM64BFwidth()) - 1)
 16962  		v.AddArg(x)
 16963  		return true
 16964  	}
 16965  	// match: (UBFX [bfc] (SLLconst [sc] x))
 16966  	// cond: sc < bfc.getARM64BFlsb()
 16967  	// result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())] x)
 16968  	for {
 16969  		bfc := auxIntToArm64BitField(v.AuxInt)
 16970  		if v_0.Op != OpARM64SLLconst {
 16971  			break
 16972  		}
 16973  		sc := auxIntToInt64(v_0.AuxInt)
 16974  		x := v_0.Args[0]
 16975  		if !(sc < bfc.getARM64BFlsb()) {
 16976  			break
 16977  		}
 16978  		v.reset(OpARM64UBFX)
 16979  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth()))
 16980  		v.AddArg(x)
 16981  		return true
 16982  	}
 16983  	// match: (UBFX [bfc] (SLLconst [sc] x))
 16984  	// cond: sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()
 16985  	// result: (UBFIZ [armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)] x)
 16986  	for {
 16987  		bfc := auxIntToArm64BitField(v.AuxInt)
 16988  		if v_0.Op != OpARM64SLLconst {
 16989  			break
 16990  		}
 16991  		sc := auxIntToInt64(v_0.AuxInt)
 16992  		x := v_0.Args[0]
 16993  		if !(sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()) {
 16994  			break
 16995  		}
 16996  		v.reset(OpARM64UBFIZ)
 16997  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc))
 16998  		v.AddArg(x)
 16999  		return true
 17000  	}
 17001  	return false
 17002  }
 17003  func rewriteValueARM64_OpARM64UDIV(v *Value) bool {
 17004  	v_1 := v.Args[1]
 17005  	v_0 := v.Args[0]
 17006  	// match: (UDIV x (MOVDconst [1]))
 17007  	// result: x
 17008  	for {
 17009  		x := v_0
 17010  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 17011  			break
 17012  		}
 17013  		v.copyOf(x)
 17014  		return true
 17015  	}
 17016  	// match: (UDIV x (MOVDconst [c]))
 17017  	// cond: isPowerOfTwo64(c)
 17018  	// result: (SRLconst [log64(c)] x)
 17019  	for {
 17020  		x := v_0
 17021  		if v_1.Op != OpARM64MOVDconst {
 17022  			break
 17023  		}
 17024  		c := auxIntToInt64(v_1.AuxInt)
 17025  		if !(isPowerOfTwo64(c)) {
 17026  			break
 17027  		}
 17028  		v.reset(OpARM64SRLconst)
 17029  		v.AuxInt = int64ToAuxInt(log64(c))
 17030  		v.AddArg(x)
 17031  		return true
 17032  	}
 17033  	// match: (UDIV (MOVDconst [c]) (MOVDconst [d]))
 17034  	// cond: d != 0
 17035  	// result: (MOVDconst [int64(uint64(c)/uint64(d))])
 17036  	for {
 17037  		if v_0.Op != OpARM64MOVDconst {
 17038  			break
 17039  		}
 17040  		c := auxIntToInt64(v_0.AuxInt)
 17041  		if v_1.Op != OpARM64MOVDconst {
 17042  			break
 17043  		}
 17044  		d := auxIntToInt64(v_1.AuxInt)
 17045  		if !(d != 0) {
 17046  			break
 17047  		}
 17048  		v.reset(OpARM64MOVDconst)
 17049  		v.AuxInt = int64ToAuxInt(int64(uint64(c) / uint64(d)))
 17050  		return true
 17051  	}
 17052  	return false
 17053  }
 17054  func rewriteValueARM64_OpARM64UDIVW(v *Value) bool {
 17055  	v_1 := v.Args[1]
 17056  	v_0 := v.Args[0]
 17057  	b := v.Block
 17058  	// match: (UDIVW x (MOVDconst [c]))
 17059  	// cond: uint32(c)==1
 17060  	// result: (MOVWUreg x)
 17061  	for {
 17062  		x := v_0
 17063  		if v_1.Op != OpARM64MOVDconst {
 17064  			break
 17065  		}
 17066  		c := auxIntToInt64(v_1.AuxInt)
 17067  		if !(uint32(c) == 1) {
 17068  			break
 17069  		}
 17070  		v.reset(OpARM64MOVWUreg)
 17071  		v.AddArg(x)
 17072  		return true
 17073  	}
 17074  	// match: (UDIVW x (MOVDconst [c]))
 17075  	// cond: isPowerOfTwo64(c) && is32Bit(c)
 17076  	// result: (SRLconst [log64(c)] (MOVWUreg <v.Type> x))
 17077  	for {
 17078  		x := v_0
 17079  		if v_1.Op != OpARM64MOVDconst {
 17080  			break
 17081  		}
 17082  		c := auxIntToInt64(v_1.AuxInt)
 17083  		if !(isPowerOfTwo64(c) && is32Bit(c)) {
 17084  			break
 17085  		}
 17086  		v.reset(OpARM64SRLconst)
 17087  		v.AuxInt = int64ToAuxInt(log64(c))
 17088  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUreg, v.Type)
 17089  		v0.AddArg(x)
 17090  		v.AddArg(v0)
 17091  		return true
 17092  	}
 17093  	// match: (UDIVW (MOVDconst [c]) (MOVDconst [d]))
 17094  	// cond: d != 0
 17095  	// result: (MOVDconst [int64(uint32(c)/uint32(d))])
 17096  	for {
 17097  		if v_0.Op != OpARM64MOVDconst {
 17098  			break
 17099  		}
 17100  		c := auxIntToInt64(v_0.AuxInt)
 17101  		if v_1.Op != OpARM64MOVDconst {
 17102  			break
 17103  		}
 17104  		d := auxIntToInt64(v_1.AuxInt)
 17105  		if !(d != 0) {
 17106  			break
 17107  		}
 17108  		v.reset(OpARM64MOVDconst)
 17109  		v.AuxInt = int64ToAuxInt(int64(uint32(c) / uint32(d)))
 17110  		return true
 17111  	}
 17112  	return false
 17113  }
 17114  func rewriteValueARM64_OpARM64UMOD(v *Value) bool {
 17115  	v_1 := v.Args[1]
 17116  	v_0 := v.Args[0]
 17117  	b := v.Block
 17118  	typ := &b.Func.Config.Types
 17119  	// match: (UMOD <typ.UInt64> x y)
 17120  	// result: (MSUB <typ.UInt64> x y (UDIV <typ.UInt64> x y))
 17121  	for {
 17122  		if v.Type != typ.UInt64 {
 17123  			break
 17124  		}
 17125  		x := v_0
 17126  		y := v_1
 17127  		v.reset(OpARM64MSUB)
 17128  		v.Type = typ.UInt64
 17129  		v0 := b.NewValue0(v.Pos, OpARM64UDIV, typ.UInt64)
 17130  		v0.AddArg2(x, y)
 17131  		v.AddArg3(x, y, v0)
 17132  		return true
 17133  	}
 17134  	// match: (UMOD _ (MOVDconst [1]))
 17135  	// result: (MOVDconst [0])
 17136  	for {
 17137  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 17138  			break
 17139  		}
 17140  		v.reset(OpARM64MOVDconst)
 17141  		v.AuxInt = int64ToAuxInt(0)
 17142  		return true
 17143  	}
 17144  	// match: (UMOD x (MOVDconst [c]))
 17145  	// cond: isPowerOfTwo64(c)
 17146  	// result: (ANDconst [c-1] x)
 17147  	for {
 17148  		x := v_0
 17149  		if v_1.Op != OpARM64MOVDconst {
 17150  			break
 17151  		}
 17152  		c := auxIntToInt64(v_1.AuxInt)
 17153  		if !(isPowerOfTwo64(c)) {
 17154  			break
 17155  		}
 17156  		v.reset(OpARM64ANDconst)
 17157  		v.AuxInt = int64ToAuxInt(c - 1)
 17158  		v.AddArg(x)
 17159  		return true
 17160  	}
 17161  	// match: (UMOD (MOVDconst [c]) (MOVDconst [d]))
 17162  	// cond: d != 0
 17163  	// result: (MOVDconst [int64(uint64(c)%uint64(d))])
 17164  	for {
 17165  		if v_0.Op != OpARM64MOVDconst {
 17166  			break
 17167  		}
 17168  		c := auxIntToInt64(v_0.AuxInt)
 17169  		if v_1.Op != OpARM64MOVDconst {
 17170  			break
 17171  		}
 17172  		d := auxIntToInt64(v_1.AuxInt)
 17173  		if !(d != 0) {
 17174  			break
 17175  		}
 17176  		v.reset(OpARM64MOVDconst)
 17177  		v.AuxInt = int64ToAuxInt(int64(uint64(c) % uint64(d)))
 17178  		return true
 17179  	}
 17180  	return false
 17181  }
 17182  func rewriteValueARM64_OpARM64UMODW(v *Value) bool {
 17183  	v_1 := v.Args[1]
 17184  	v_0 := v.Args[0]
 17185  	b := v.Block
 17186  	typ := &b.Func.Config.Types
 17187  	// match: (UMODW <typ.UInt32> x y)
 17188  	// result: (MSUBW <typ.UInt32> x y (UDIVW <typ.UInt32> x y))
 17189  	for {
 17190  		if v.Type != typ.UInt32 {
 17191  			break
 17192  		}
 17193  		x := v_0
 17194  		y := v_1
 17195  		v.reset(OpARM64MSUBW)
 17196  		v.Type = typ.UInt32
 17197  		v0 := b.NewValue0(v.Pos, OpARM64UDIVW, typ.UInt32)
 17198  		v0.AddArg2(x, y)
 17199  		v.AddArg3(x, y, v0)
 17200  		return true
 17201  	}
 17202  	// match: (UMODW _ (MOVDconst [c]))
 17203  	// cond: uint32(c)==1
 17204  	// result: (MOVDconst [0])
 17205  	for {
 17206  		if v_1.Op != OpARM64MOVDconst {
 17207  			break
 17208  		}
 17209  		c := auxIntToInt64(v_1.AuxInt)
 17210  		if !(uint32(c) == 1) {
 17211  			break
 17212  		}
 17213  		v.reset(OpARM64MOVDconst)
 17214  		v.AuxInt = int64ToAuxInt(0)
 17215  		return true
 17216  	}
 17217  	// match: (UMODW x (MOVDconst [c]))
 17218  	// cond: isPowerOfTwo64(c) && is32Bit(c)
 17219  	// result: (ANDconst [c-1] x)
 17220  	for {
 17221  		x := v_0
 17222  		if v_1.Op != OpARM64MOVDconst {
 17223  			break
 17224  		}
 17225  		c := auxIntToInt64(v_1.AuxInt)
 17226  		if !(isPowerOfTwo64(c) && is32Bit(c)) {
 17227  			break
 17228  		}
 17229  		v.reset(OpARM64ANDconst)
 17230  		v.AuxInt = int64ToAuxInt(c - 1)
 17231  		v.AddArg(x)
 17232  		return true
 17233  	}
 17234  	// match: (UMODW (MOVDconst [c]) (MOVDconst [d]))
 17235  	// cond: d != 0
 17236  	// result: (MOVDconst [int64(uint32(c)%uint32(d))])
 17237  	for {
 17238  		if v_0.Op != OpARM64MOVDconst {
 17239  			break
 17240  		}
 17241  		c := auxIntToInt64(v_0.AuxInt)
 17242  		if v_1.Op != OpARM64MOVDconst {
 17243  			break
 17244  		}
 17245  		d := auxIntToInt64(v_1.AuxInt)
 17246  		if !(d != 0) {
 17247  			break
 17248  		}
 17249  		v.reset(OpARM64MOVDconst)
 17250  		v.AuxInt = int64ToAuxInt(int64(uint32(c) % uint32(d)))
 17251  		return true
 17252  	}
 17253  	return false
 17254  }
 17255  func rewriteValueARM64_OpARM64XOR(v *Value) bool {
 17256  	v_1 := v.Args[1]
 17257  	v_0 := v.Args[0]
 17258  	// match: (XOR x (MOVDconst [c]))
 17259  	// result: (XORconst [c] x)
 17260  	for {
 17261  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17262  			x := v_0
 17263  			if v_1.Op != OpARM64MOVDconst {
 17264  				continue
 17265  			}
 17266  			c := auxIntToInt64(v_1.AuxInt)
 17267  			v.reset(OpARM64XORconst)
 17268  			v.AuxInt = int64ToAuxInt(c)
 17269  			v.AddArg(x)
 17270  			return true
 17271  		}
 17272  		break
 17273  	}
 17274  	// match: (XOR x x)
 17275  	// result: (MOVDconst [0])
 17276  	for {
 17277  		x := v_0
 17278  		if x != v_1 {
 17279  			break
 17280  		}
 17281  		v.reset(OpARM64MOVDconst)
 17282  		v.AuxInt = int64ToAuxInt(0)
 17283  		return true
 17284  	}
 17285  	// match: (XOR x (MVN y))
 17286  	// result: (EON x y)
 17287  	for {
 17288  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17289  			x := v_0
 17290  			if v_1.Op != OpARM64MVN {
 17291  				continue
 17292  			}
 17293  			y := v_1.Args[0]
 17294  			v.reset(OpARM64EON)
 17295  			v.AddArg2(x, y)
 17296  			return true
 17297  		}
 17298  		break
 17299  	}
 17300  	// match: (XOR x0 x1:(SLLconst [c] y))
 17301  	// cond: clobberIfDead(x1)
 17302  	// result: (XORshiftLL x0 y [c])
 17303  	for {
 17304  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17305  			x0 := v_0
 17306  			x1 := v_1
 17307  			if x1.Op != OpARM64SLLconst {
 17308  				continue
 17309  			}
 17310  			c := auxIntToInt64(x1.AuxInt)
 17311  			y := x1.Args[0]
 17312  			if !(clobberIfDead(x1)) {
 17313  				continue
 17314  			}
 17315  			v.reset(OpARM64XORshiftLL)
 17316  			v.AuxInt = int64ToAuxInt(c)
 17317  			v.AddArg2(x0, y)
 17318  			return true
 17319  		}
 17320  		break
 17321  	}
 17322  	// match: (XOR x0 x1:(SRLconst [c] y))
 17323  	// cond: clobberIfDead(x1)
 17324  	// result: (XORshiftRL x0 y [c])
 17325  	for {
 17326  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17327  			x0 := v_0
 17328  			x1 := v_1
 17329  			if x1.Op != OpARM64SRLconst {
 17330  				continue
 17331  			}
 17332  			c := auxIntToInt64(x1.AuxInt)
 17333  			y := x1.Args[0]
 17334  			if !(clobberIfDead(x1)) {
 17335  				continue
 17336  			}
 17337  			v.reset(OpARM64XORshiftRL)
 17338  			v.AuxInt = int64ToAuxInt(c)
 17339  			v.AddArg2(x0, y)
 17340  			return true
 17341  		}
 17342  		break
 17343  	}
 17344  	// match: (XOR x0 x1:(SRAconst [c] y))
 17345  	// cond: clobberIfDead(x1)
 17346  	// result: (XORshiftRA x0 y [c])
 17347  	for {
 17348  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17349  			x0 := v_0
 17350  			x1 := v_1
 17351  			if x1.Op != OpARM64SRAconst {
 17352  				continue
 17353  			}
 17354  			c := auxIntToInt64(x1.AuxInt)
 17355  			y := x1.Args[0]
 17356  			if !(clobberIfDead(x1)) {
 17357  				continue
 17358  			}
 17359  			v.reset(OpARM64XORshiftRA)
 17360  			v.AuxInt = int64ToAuxInt(c)
 17361  			v.AddArg2(x0, y)
 17362  			return true
 17363  		}
 17364  		break
 17365  	}
 17366  	// match: (XOR x0 x1:(RORconst [c] y))
 17367  	// cond: clobberIfDead(x1)
 17368  	// result: (XORshiftRO x0 y [c])
 17369  	for {
 17370  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17371  			x0 := v_0
 17372  			x1 := v_1
 17373  			if x1.Op != OpARM64RORconst {
 17374  				continue
 17375  			}
 17376  			c := auxIntToInt64(x1.AuxInt)
 17377  			y := x1.Args[0]
 17378  			if !(clobberIfDead(x1)) {
 17379  				continue
 17380  			}
 17381  			v.reset(OpARM64XORshiftRO)
 17382  			v.AuxInt = int64ToAuxInt(c)
 17383  			v.AddArg2(x0, y)
 17384  			return true
 17385  		}
 17386  		break
 17387  	}
 17388  	return false
 17389  }
 17390  func rewriteValueARM64_OpARM64XORconst(v *Value) bool {
 17391  	v_0 := v.Args[0]
 17392  	// match: (XORconst [0] x)
 17393  	// result: x
 17394  	for {
 17395  		if auxIntToInt64(v.AuxInt) != 0 {
 17396  			break
 17397  		}
 17398  		x := v_0
 17399  		v.copyOf(x)
 17400  		return true
 17401  	}
 17402  	// match: (XORconst [-1] x)
 17403  	// result: (MVN x)
 17404  	for {
 17405  		if auxIntToInt64(v.AuxInt) != -1 {
 17406  			break
 17407  		}
 17408  		x := v_0
 17409  		v.reset(OpARM64MVN)
 17410  		v.AddArg(x)
 17411  		return true
 17412  	}
 17413  	// match: (XORconst [c] (MOVDconst [d]))
 17414  	// result: (MOVDconst [c^d])
 17415  	for {
 17416  		c := auxIntToInt64(v.AuxInt)
 17417  		if v_0.Op != OpARM64MOVDconst {
 17418  			break
 17419  		}
 17420  		d := auxIntToInt64(v_0.AuxInt)
 17421  		v.reset(OpARM64MOVDconst)
 17422  		v.AuxInt = int64ToAuxInt(c ^ d)
 17423  		return true
 17424  	}
 17425  	// match: (XORconst [c] (XORconst [d] x))
 17426  	// result: (XORconst [c^d] x)
 17427  	for {
 17428  		c := auxIntToInt64(v.AuxInt)
 17429  		if v_0.Op != OpARM64XORconst {
 17430  			break
 17431  		}
 17432  		d := auxIntToInt64(v_0.AuxInt)
 17433  		x := v_0.Args[0]
 17434  		v.reset(OpARM64XORconst)
 17435  		v.AuxInt = int64ToAuxInt(c ^ d)
 17436  		v.AddArg(x)
 17437  		return true
 17438  	}
 17439  	return false
 17440  }
 17441  func rewriteValueARM64_OpARM64XORshiftLL(v *Value) bool {
 17442  	v_1 := v.Args[1]
 17443  	v_0 := v.Args[0]
 17444  	b := v.Block
 17445  	typ := &b.Func.Config.Types
 17446  	// match: (XORshiftLL (MOVDconst [c]) x [d])
 17447  	// result: (XORconst [c] (SLLconst <x.Type> x [d]))
 17448  	for {
 17449  		d := auxIntToInt64(v.AuxInt)
 17450  		if v_0.Op != OpARM64MOVDconst {
 17451  			break
 17452  		}
 17453  		c := auxIntToInt64(v_0.AuxInt)
 17454  		x := v_1
 17455  		v.reset(OpARM64XORconst)
 17456  		v.AuxInt = int64ToAuxInt(c)
 17457  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 17458  		v0.AuxInt = int64ToAuxInt(d)
 17459  		v0.AddArg(x)
 17460  		v.AddArg(v0)
 17461  		return true
 17462  	}
 17463  	// match: (XORshiftLL x (MOVDconst [c]) [d])
 17464  	// result: (XORconst x [int64(uint64(c)<<uint64(d))])
 17465  	for {
 17466  		d := auxIntToInt64(v.AuxInt)
 17467  		x := v_0
 17468  		if v_1.Op != OpARM64MOVDconst {
 17469  			break
 17470  		}
 17471  		c := auxIntToInt64(v_1.AuxInt)
 17472  		v.reset(OpARM64XORconst)
 17473  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 17474  		v.AddArg(x)
 17475  		return true
 17476  	}
 17477  	// match: (XORshiftLL (SLLconst x [c]) x [c])
 17478  	// result: (MOVDconst [0])
 17479  	for {
 17480  		c := auxIntToInt64(v.AuxInt)
 17481  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 17482  			break
 17483  		}
 17484  		x := v_0.Args[0]
 17485  		if x != v_1 {
 17486  			break
 17487  		}
 17488  		v.reset(OpARM64MOVDconst)
 17489  		v.AuxInt = int64ToAuxInt(0)
 17490  		return true
 17491  	}
 17492  	// match: (XORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
 17493  	// result: (REV16W x)
 17494  	for {
 17495  		if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) {
 17496  			break
 17497  		}
 17498  		x := v_0.Args[0]
 17499  		if x != v_1 {
 17500  			break
 17501  		}
 17502  		v.reset(OpARM64REV16W)
 17503  		v.AddArg(x)
 17504  		return true
 17505  	}
 17506  	// match: (XORshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
 17507  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
 17508  	// result: (REV16W x)
 17509  	for {
 17510  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
 17511  			break
 17512  		}
 17513  		v_0_0 := v_0.Args[0]
 17514  		if v_0_0.Op != OpARM64ANDconst {
 17515  			break
 17516  		}
 17517  		c1 := auxIntToInt64(v_0_0.AuxInt)
 17518  		x := v_0_0.Args[0]
 17519  		if v_1.Op != OpARM64ANDconst {
 17520  			break
 17521  		}
 17522  		c2 := auxIntToInt64(v_1.AuxInt)
 17523  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
 17524  			break
 17525  		}
 17526  		v.reset(OpARM64REV16W)
 17527  		v.AddArg(x)
 17528  		return true
 17529  	}
 17530  	// match: (XORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 17531  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
 17532  	// result: (REV16 x)
 17533  	for {
 17534  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 17535  			break
 17536  		}
 17537  		v_0_0 := v_0.Args[0]
 17538  		if v_0_0.Op != OpARM64ANDconst {
 17539  			break
 17540  		}
 17541  		c1 := auxIntToInt64(v_0_0.AuxInt)
 17542  		x := v_0_0.Args[0]
 17543  		if v_1.Op != OpARM64ANDconst {
 17544  			break
 17545  		}
 17546  		c2 := auxIntToInt64(v_1.AuxInt)
 17547  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
 17548  			break
 17549  		}
 17550  		v.reset(OpARM64REV16)
 17551  		v.AddArg(x)
 17552  		return true
 17553  	}
 17554  	// match: (XORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 17555  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
 17556  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
 17557  	for {
 17558  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 17559  			break
 17560  		}
 17561  		v_0_0 := v_0.Args[0]
 17562  		if v_0_0.Op != OpARM64ANDconst {
 17563  			break
 17564  		}
 17565  		c1 := auxIntToInt64(v_0_0.AuxInt)
 17566  		x := v_0_0.Args[0]
 17567  		if v_1.Op != OpARM64ANDconst {
 17568  			break
 17569  		}
 17570  		c2 := auxIntToInt64(v_1.AuxInt)
 17571  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
 17572  			break
 17573  		}
 17574  		v.reset(OpARM64REV16)
 17575  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
 17576  		v0.AuxInt = int64ToAuxInt(0xffffffff)
 17577  		v0.AddArg(x)
 17578  		v.AddArg(v0)
 17579  		return true
 17580  	}
 17581  	// match: (XORshiftLL [c] (SRLconst x [64-c]) x2)
 17582  	// result: (EXTRconst [64-c] x2 x)
 17583  	for {
 17584  		c := auxIntToInt64(v.AuxInt)
 17585  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
 17586  			break
 17587  		}
 17588  		x := v_0.Args[0]
 17589  		x2 := v_1
 17590  		v.reset(OpARM64EXTRconst)
 17591  		v.AuxInt = int64ToAuxInt(64 - c)
 17592  		v.AddArg2(x2, x)
 17593  		return true
 17594  	}
 17595  	// match: (XORshiftLL <t> [c] (UBFX [bfc] x) x2)
 17596  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
 17597  	// result: (EXTRWconst [32-c] x2 x)
 17598  	for {
 17599  		t := v.Type
 17600  		c := auxIntToInt64(v.AuxInt)
 17601  		if v_0.Op != OpARM64UBFX {
 17602  			break
 17603  		}
 17604  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 17605  		x := v_0.Args[0]
 17606  		x2 := v_1
 17607  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
 17608  			break
 17609  		}
 17610  		v.reset(OpARM64EXTRWconst)
 17611  		v.AuxInt = int64ToAuxInt(32 - c)
 17612  		v.AddArg2(x2, x)
 17613  		return true
 17614  	}
 17615  	return false
 17616  }
 17617  func rewriteValueARM64_OpARM64XORshiftRA(v *Value) bool {
 17618  	v_1 := v.Args[1]
 17619  	v_0 := v.Args[0]
 17620  	b := v.Block
 17621  	// match: (XORshiftRA (MOVDconst [c]) x [d])
 17622  	// result: (XORconst [c] (SRAconst <x.Type> x [d]))
 17623  	for {
 17624  		d := auxIntToInt64(v.AuxInt)
 17625  		if v_0.Op != OpARM64MOVDconst {
 17626  			break
 17627  		}
 17628  		c := auxIntToInt64(v_0.AuxInt)
 17629  		x := v_1
 17630  		v.reset(OpARM64XORconst)
 17631  		v.AuxInt = int64ToAuxInt(c)
 17632  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 17633  		v0.AuxInt = int64ToAuxInt(d)
 17634  		v0.AddArg(x)
 17635  		v.AddArg(v0)
 17636  		return true
 17637  	}
 17638  	// match: (XORshiftRA x (MOVDconst [c]) [d])
 17639  	// result: (XORconst x [c>>uint64(d)])
 17640  	for {
 17641  		d := auxIntToInt64(v.AuxInt)
 17642  		x := v_0
 17643  		if v_1.Op != OpARM64MOVDconst {
 17644  			break
 17645  		}
 17646  		c := auxIntToInt64(v_1.AuxInt)
 17647  		v.reset(OpARM64XORconst)
 17648  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 17649  		v.AddArg(x)
 17650  		return true
 17651  	}
 17652  	// match: (XORshiftRA (SRAconst x [c]) x [c])
 17653  	// result: (MOVDconst [0])
 17654  	for {
 17655  		c := auxIntToInt64(v.AuxInt)
 17656  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 17657  			break
 17658  		}
 17659  		x := v_0.Args[0]
 17660  		if x != v_1 {
 17661  			break
 17662  		}
 17663  		v.reset(OpARM64MOVDconst)
 17664  		v.AuxInt = int64ToAuxInt(0)
 17665  		return true
 17666  	}
 17667  	return false
 17668  }
 17669  func rewriteValueARM64_OpARM64XORshiftRL(v *Value) bool {
 17670  	v_1 := v.Args[1]
 17671  	v_0 := v.Args[0]
 17672  	b := v.Block
 17673  	// match: (XORshiftRL (MOVDconst [c]) x [d])
 17674  	// result: (XORconst [c] (SRLconst <x.Type> x [d]))
 17675  	for {
 17676  		d := auxIntToInt64(v.AuxInt)
 17677  		if v_0.Op != OpARM64MOVDconst {
 17678  			break
 17679  		}
 17680  		c := auxIntToInt64(v_0.AuxInt)
 17681  		x := v_1
 17682  		v.reset(OpARM64XORconst)
 17683  		v.AuxInt = int64ToAuxInt(c)
 17684  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 17685  		v0.AuxInt = int64ToAuxInt(d)
 17686  		v0.AddArg(x)
 17687  		v.AddArg(v0)
 17688  		return true
 17689  	}
 17690  	// match: (XORshiftRL x (MOVDconst [c]) [d])
 17691  	// result: (XORconst x [int64(uint64(c)>>uint64(d))])
 17692  	for {
 17693  		d := auxIntToInt64(v.AuxInt)
 17694  		x := v_0
 17695  		if v_1.Op != OpARM64MOVDconst {
 17696  			break
 17697  		}
 17698  		c := auxIntToInt64(v_1.AuxInt)
 17699  		v.reset(OpARM64XORconst)
 17700  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 17701  		v.AddArg(x)
 17702  		return true
 17703  	}
 17704  	// match: (XORshiftRL (SRLconst x [c]) x [c])
 17705  	// result: (MOVDconst [0])
 17706  	for {
 17707  		c := auxIntToInt64(v.AuxInt)
 17708  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 17709  			break
 17710  		}
 17711  		x := v_0.Args[0]
 17712  		if x != v_1 {
 17713  			break
 17714  		}
 17715  		v.reset(OpARM64MOVDconst)
 17716  		v.AuxInt = int64ToAuxInt(0)
 17717  		return true
 17718  	}
 17719  	return false
 17720  }
 17721  func rewriteValueARM64_OpARM64XORshiftRO(v *Value) bool {
 17722  	v_1 := v.Args[1]
 17723  	v_0 := v.Args[0]
 17724  	b := v.Block
 17725  	// match: (XORshiftRO (MOVDconst [c]) x [d])
 17726  	// result: (XORconst [c] (RORconst <x.Type> x [d]))
 17727  	for {
 17728  		d := auxIntToInt64(v.AuxInt)
 17729  		if v_0.Op != OpARM64MOVDconst {
 17730  			break
 17731  		}
 17732  		c := auxIntToInt64(v_0.AuxInt)
 17733  		x := v_1
 17734  		v.reset(OpARM64XORconst)
 17735  		v.AuxInt = int64ToAuxInt(c)
 17736  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 17737  		v0.AuxInt = int64ToAuxInt(d)
 17738  		v0.AddArg(x)
 17739  		v.AddArg(v0)
 17740  		return true
 17741  	}
 17742  	// match: (XORshiftRO x (MOVDconst [c]) [d])
 17743  	// result: (XORconst x [rotateRight64(c, d)])
 17744  	for {
 17745  		d := auxIntToInt64(v.AuxInt)
 17746  		x := v_0
 17747  		if v_1.Op != OpARM64MOVDconst {
 17748  			break
 17749  		}
 17750  		c := auxIntToInt64(v_1.AuxInt)
 17751  		v.reset(OpARM64XORconst)
 17752  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 17753  		v.AddArg(x)
 17754  		return true
 17755  	}
 17756  	// match: (XORshiftRO (RORconst x [c]) x [c])
 17757  	// result: (MOVDconst [0])
 17758  	for {
 17759  		c := auxIntToInt64(v.AuxInt)
 17760  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
 17761  			break
 17762  		}
 17763  		x := v_0.Args[0]
 17764  		if x != v_1 {
 17765  			break
 17766  		}
 17767  		v.reset(OpARM64MOVDconst)
 17768  		v.AuxInt = int64ToAuxInt(0)
 17769  		return true
 17770  	}
 17771  	return false
 17772  }
 17773  func rewriteValueARM64_OpAddr(v *Value) bool {
 17774  	v_0 := v.Args[0]
 17775  	// match: (Addr {sym} base)
 17776  	// result: (MOVDaddr {sym} base)
 17777  	for {
 17778  		sym := auxToSym(v.Aux)
 17779  		base := v_0
 17780  		v.reset(OpARM64MOVDaddr)
 17781  		v.Aux = symToAux(sym)
 17782  		v.AddArg(base)
 17783  		return true
 17784  	}
 17785  }
 17786  func rewriteValueARM64_OpAtomicAnd32(v *Value) bool {
 17787  	v_2 := v.Args[2]
 17788  	v_1 := v.Args[1]
 17789  	v_0 := v.Args[0]
 17790  	b := v.Block
 17791  	typ := &b.Func.Config.Types
 17792  	// match: (AtomicAnd32 ptr val mem)
 17793  	// result: (Select1 (LoweredAtomicAnd32 ptr val mem))
 17794  	for {
 17795  		ptr := v_0
 17796  		val := v_1
 17797  		mem := v_2
 17798  		v.reset(OpSelect1)
 17799  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd32, types.NewTuple(typ.UInt32, types.TypeMem))
 17800  		v0.AddArg3(ptr, val, mem)
 17801  		v.AddArg(v0)
 17802  		return true
 17803  	}
 17804  }
 17805  func rewriteValueARM64_OpAtomicAnd32Variant(v *Value) bool {
 17806  	v_2 := v.Args[2]
 17807  	v_1 := v.Args[1]
 17808  	v_0 := v.Args[0]
 17809  	b := v.Block
 17810  	typ := &b.Func.Config.Types
 17811  	// match: (AtomicAnd32Variant ptr val mem)
 17812  	// result: (Select1 (LoweredAtomicAnd32Variant ptr val mem))
 17813  	for {
 17814  		ptr := v_0
 17815  		val := v_1
 17816  		mem := v_2
 17817  		v.reset(OpSelect1)
 17818  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd32Variant, types.NewTuple(typ.UInt32, types.TypeMem))
 17819  		v0.AddArg3(ptr, val, mem)
 17820  		v.AddArg(v0)
 17821  		return true
 17822  	}
 17823  }
 17824  func rewriteValueARM64_OpAtomicAnd8(v *Value) bool {
 17825  	v_2 := v.Args[2]
 17826  	v_1 := v.Args[1]
 17827  	v_0 := v.Args[0]
 17828  	b := v.Block
 17829  	typ := &b.Func.Config.Types
 17830  	// match: (AtomicAnd8 ptr val mem)
 17831  	// result: (Select1 (LoweredAtomicAnd8 ptr val mem))
 17832  	for {
 17833  		ptr := v_0
 17834  		val := v_1
 17835  		mem := v_2
 17836  		v.reset(OpSelect1)
 17837  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd8, types.NewTuple(typ.UInt8, types.TypeMem))
 17838  		v0.AddArg3(ptr, val, mem)
 17839  		v.AddArg(v0)
 17840  		return true
 17841  	}
 17842  }
 17843  func rewriteValueARM64_OpAtomicAnd8Variant(v *Value) bool {
 17844  	v_2 := v.Args[2]
 17845  	v_1 := v.Args[1]
 17846  	v_0 := v.Args[0]
 17847  	b := v.Block
 17848  	typ := &b.Func.Config.Types
 17849  	// match: (AtomicAnd8Variant ptr val mem)
 17850  	// result: (Select1 (LoweredAtomicAnd8Variant ptr val mem))
 17851  	for {
 17852  		ptr := v_0
 17853  		val := v_1
 17854  		mem := v_2
 17855  		v.reset(OpSelect1)
 17856  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd8Variant, types.NewTuple(typ.UInt8, types.TypeMem))
 17857  		v0.AddArg3(ptr, val, mem)
 17858  		v.AddArg(v0)
 17859  		return true
 17860  	}
 17861  }
 17862  func rewriteValueARM64_OpAtomicOr32(v *Value) bool {
 17863  	v_2 := v.Args[2]
 17864  	v_1 := v.Args[1]
 17865  	v_0 := v.Args[0]
 17866  	b := v.Block
 17867  	typ := &b.Func.Config.Types
 17868  	// match: (AtomicOr32 ptr val mem)
 17869  	// result: (Select1 (LoweredAtomicOr32 ptr val mem))
 17870  	for {
 17871  		ptr := v_0
 17872  		val := v_1
 17873  		mem := v_2
 17874  		v.reset(OpSelect1)
 17875  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr32, types.NewTuple(typ.UInt32, types.TypeMem))
 17876  		v0.AddArg3(ptr, val, mem)
 17877  		v.AddArg(v0)
 17878  		return true
 17879  	}
 17880  }
 17881  func rewriteValueARM64_OpAtomicOr32Variant(v *Value) bool {
 17882  	v_2 := v.Args[2]
 17883  	v_1 := v.Args[1]
 17884  	v_0 := v.Args[0]
 17885  	b := v.Block
 17886  	typ := &b.Func.Config.Types
 17887  	// match: (AtomicOr32Variant ptr val mem)
 17888  	// result: (Select1 (LoweredAtomicOr32Variant ptr val mem))
 17889  	for {
 17890  		ptr := v_0
 17891  		val := v_1
 17892  		mem := v_2
 17893  		v.reset(OpSelect1)
 17894  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr32Variant, types.NewTuple(typ.UInt32, types.TypeMem))
 17895  		v0.AddArg3(ptr, val, mem)
 17896  		v.AddArg(v0)
 17897  		return true
 17898  	}
 17899  }
 17900  func rewriteValueARM64_OpAtomicOr8(v *Value) bool {
 17901  	v_2 := v.Args[2]
 17902  	v_1 := v.Args[1]
 17903  	v_0 := v.Args[0]
 17904  	b := v.Block
 17905  	typ := &b.Func.Config.Types
 17906  	// match: (AtomicOr8 ptr val mem)
 17907  	// result: (Select1 (LoweredAtomicOr8 ptr val mem))
 17908  	for {
 17909  		ptr := v_0
 17910  		val := v_1
 17911  		mem := v_2
 17912  		v.reset(OpSelect1)
 17913  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr8, types.NewTuple(typ.UInt8, types.TypeMem))
 17914  		v0.AddArg3(ptr, val, mem)
 17915  		v.AddArg(v0)
 17916  		return true
 17917  	}
 17918  }
 17919  func rewriteValueARM64_OpAtomicOr8Variant(v *Value) bool {
 17920  	v_2 := v.Args[2]
 17921  	v_1 := v.Args[1]
 17922  	v_0 := v.Args[0]
 17923  	b := v.Block
 17924  	typ := &b.Func.Config.Types
 17925  	// match: (AtomicOr8Variant ptr val mem)
 17926  	// result: (Select1 (LoweredAtomicOr8Variant ptr val mem))
 17927  	for {
 17928  		ptr := v_0
 17929  		val := v_1
 17930  		mem := v_2
 17931  		v.reset(OpSelect1)
 17932  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr8Variant, types.NewTuple(typ.UInt8, types.TypeMem))
 17933  		v0.AddArg3(ptr, val, mem)
 17934  		v.AddArg(v0)
 17935  		return true
 17936  	}
 17937  }
 17938  func rewriteValueARM64_OpAvg64u(v *Value) bool {
 17939  	v_1 := v.Args[1]
 17940  	v_0 := v.Args[0]
 17941  	b := v.Block
 17942  	// match: (Avg64u <t> x y)
 17943  	// result: (ADD (SRLconst <t> (SUB <t> x y) [1]) y)
 17944  	for {
 17945  		t := v.Type
 17946  		x := v_0
 17947  		y := v_1
 17948  		v.reset(OpARM64ADD)
 17949  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, t)
 17950  		v0.AuxInt = int64ToAuxInt(1)
 17951  		v1 := b.NewValue0(v.Pos, OpARM64SUB, t)
 17952  		v1.AddArg2(x, y)
 17953  		v0.AddArg(v1)
 17954  		v.AddArg2(v0, y)
 17955  		return true
 17956  	}
 17957  }
 17958  func rewriteValueARM64_OpBitLen32(v *Value) bool {
 17959  	v_0 := v.Args[0]
 17960  	b := v.Block
 17961  	typ := &b.Func.Config.Types
 17962  	// match: (BitLen32 x)
 17963  	// result: (SUB (MOVDconst [32]) (CLZW <typ.Int> x))
 17964  	for {
 17965  		x := v_0
 17966  		v.reset(OpARM64SUB)
 17967  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 17968  		v0.AuxInt = int64ToAuxInt(32)
 17969  		v1 := b.NewValue0(v.Pos, OpARM64CLZW, typ.Int)
 17970  		v1.AddArg(x)
 17971  		v.AddArg2(v0, v1)
 17972  		return true
 17973  	}
 17974  }
 17975  func rewriteValueARM64_OpBitLen64(v *Value) bool {
 17976  	v_0 := v.Args[0]
 17977  	b := v.Block
 17978  	typ := &b.Func.Config.Types
 17979  	// match: (BitLen64 x)
 17980  	// result: (SUB (MOVDconst [64]) (CLZ <typ.Int> x))
 17981  	for {
 17982  		x := v_0
 17983  		v.reset(OpARM64SUB)
 17984  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 17985  		v0.AuxInt = int64ToAuxInt(64)
 17986  		v1 := b.NewValue0(v.Pos, OpARM64CLZ, typ.Int)
 17987  		v1.AddArg(x)
 17988  		v.AddArg2(v0, v1)
 17989  		return true
 17990  	}
 17991  }
 17992  func rewriteValueARM64_OpBitRev16(v *Value) bool {
 17993  	v_0 := v.Args[0]
 17994  	b := v.Block
 17995  	typ := &b.Func.Config.Types
 17996  	// match: (BitRev16 x)
 17997  	// result: (SRLconst [48] (RBIT <typ.UInt64> x))
 17998  	for {
 17999  		x := v_0
 18000  		v.reset(OpARM64SRLconst)
 18001  		v.AuxInt = int64ToAuxInt(48)
 18002  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64)
 18003  		v0.AddArg(x)
 18004  		v.AddArg(v0)
 18005  		return true
 18006  	}
 18007  }
 18008  func rewriteValueARM64_OpBitRev8(v *Value) bool {
 18009  	v_0 := v.Args[0]
 18010  	b := v.Block
 18011  	typ := &b.Func.Config.Types
 18012  	// match: (BitRev8 x)
 18013  	// result: (SRLconst [56] (RBIT <typ.UInt64> x))
 18014  	for {
 18015  		x := v_0
 18016  		v.reset(OpARM64SRLconst)
 18017  		v.AuxInt = int64ToAuxInt(56)
 18018  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64)
 18019  		v0.AddArg(x)
 18020  		v.AddArg(v0)
 18021  		return true
 18022  	}
 18023  }
 18024  func rewriteValueARM64_OpCondSelect(v *Value) bool {
 18025  	v_2 := v.Args[2]
 18026  	v_1 := v.Args[1]
 18027  	v_0 := v.Args[0]
 18028  	b := v.Block
 18029  	// match: (CondSelect x y boolval)
 18030  	// cond: flagArg(boolval) != nil
 18031  	// result: (CSEL [boolval.Op] x y flagArg(boolval))
 18032  	for {
 18033  		x := v_0
 18034  		y := v_1
 18035  		boolval := v_2
 18036  		if !(flagArg(boolval) != nil) {
 18037  			break
 18038  		}
 18039  		v.reset(OpARM64CSEL)
 18040  		v.AuxInt = opToAuxInt(boolval.Op)
 18041  		v.AddArg3(x, y, flagArg(boolval))
 18042  		return true
 18043  	}
 18044  	// match: (CondSelect x y boolval)
 18045  	// cond: flagArg(boolval) == nil
 18046  	// result: (CSEL [OpARM64NotEqual] x y (TSTWconst [1] boolval))
 18047  	for {
 18048  		x := v_0
 18049  		y := v_1
 18050  		boolval := v_2
 18051  		if !(flagArg(boolval) == nil) {
 18052  			break
 18053  		}
 18054  		v.reset(OpARM64CSEL)
 18055  		v.AuxInt = opToAuxInt(OpARM64NotEqual)
 18056  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
 18057  		v0.AuxInt = int32ToAuxInt(1)
 18058  		v0.AddArg(boolval)
 18059  		v.AddArg3(x, y, v0)
 18060  		return true
 18061  	}
 18062  	return false
 18063  }
 18064  func rewriteValueARM64_OpConst16(v *Value) bool {
 18065  	// match: (Const16 [val])
 18066  	// result: (MOVDconst [int64(val)])
 18067  	for {
 18068  		val := auxIntToInt16(v.AuxInt)
 18069  		v.reset(OpARM64MOVDconst)
 18070  		v.AuxInt = int64ToAuxInt(int64(val))
 18071  		return true
 18072  	}
 18073  }
 18074  func rewriteValueARM64_OpConst32(v *Value) bool {
 18075  	// match: (Const32 [val])
 18076  	// result: (MOVDconst [int64(val)])
 18077  	for {
 18078  		val := auxIntToInt32(v.AuxInt)
 18079  		v.reset(OpARM64MOVDconst)
 18080  		v.AuxInt = int64ToAuxInt(int64(val))
 18081  		return true
 18082  	}
 18083  }
 18084  func rewriteValueARM64_OpConst32F(v *Value) bool {
 18085  	// match: (Const32F [val])
 18086  	// result: (FMOVSconst [float64(val)])
 18087  	for {
 18088  		val := auxIntToFloat32(v.AuxInt)
 18089  		v.reset(OpARM64FMOVSconst)
 18090  		v.AuxInt = float64ToAuxInt(float64(val))
 18091  		return true
 18092  	}
 18093  }
 18094  func rewriteValueARM64_OpConst64(v *Value) bool {
 18095  	// match: (Const64 [val])
 18096  	// result: (MOVDconst [int64(val)])
 18097  	for {
 18098  		val := auxIntToInt64(v.AuxInt)
 18099  		v.reset(OpARM64MOVDconst)
 18100  		v.AuxInt = int64ToAuxInt(int64(val))
 18101  		return true
 18102  	}
 18103  }
 18104  func rewriteValueARM64_OpConst64F(v *Value) bool {
 18105  	// match: (Const64F [val])
 18106  	// result: (FMOVDconst [float64(val)])
 18107  	for {
 18108  		val := auxIntToFloat64(v.AuxInt)
 18109  		v.reset(OpARM64FMOVDconst)
 18110  		v.AuxInt = float64ToAuxInt(float64(val))
 18111  		return true
 18112  	}
 18113  }
 18114  func rewriteValueARM64_OpConst8(v *Value) bool {
 18115  	// match: (Const8 [val])
 18116  	// result: (MOVDconst [int64(val)])
 18117  	for {
 18118  		val := auxIntToInt8(v.AuxInt)
 18119  		v.reset(OpARM64MOVDconst)
 18120  		v.AuxInt = int64ToAuxInt(int64(val))
 18121  		return true
 18122  	}
 18123  }
 18124  func rewriteValueARM64_OpConstBool(v *Value) bool {
 18125  	// match: (ConstBool [t])
 18126  	// result: (MOVDconst [b2i(t)])
 18127  	for {
 18128  		t := auxIntToBool(v.AuxInt)
 18129  		v.reset(OpARM64MOVDconst)
 18130  		v.AuxInt = int64ToAuxInt(b2i(t))
 18131  		return true
 18132  	}
 18133  }
 18134  func rewriteValueARM64_OpConstNil(v *Value) bool {
 18135  	// match: (ConstNil)
 18136  	// result: (MOVDconst [0])
 18137  	for {
 18138  		v.reset(OpARM64MOVDconst)
 18139  		v.AuxInt = int64ToAuxInt(0)
 18140  		return true
 18141  	}
 18142  }
 18143  func rewriteValueARM64_OpCtz16(v *Value) bool {
 18144  	v_0 := v.Args[0]
 18145  	b := v.Block
 18146  	typ := &b.Func.Config.Types
 18147  	// match: (Ctz16 <t> x)
 18148  	// result: (CLZW <t> (RBITW <typ.UInt32> (ORconst <typ.UInt32> [0x10000] x)))
 18149  	for {
 18150  		t := v.Type
 18151  		x := v_0
 18152  		v.reset(OpARM64CLZW)
 18153  		v.Type = t
 18154  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, typ.UInt32)
 18155  		v1 := b.NewValue0(v.Pos, OpARM64ORconst, typ.UInt32)
 18156  		v1.AuxInt = int64ToAuxInt(0x10000)
 18157  		v1.AddArg(x)
 18158  		v0.AddArg(v1)
 18159  		v.AddArg(v0)
 18160  		return true
 18161  	}
 18162  }
 18163  func rewriteValueARM64_OpCtz32(v *Value) bool {
 18164  	v_0 := v.Args[0]
 18165  	b := v.Block
 18166  	// match: (Ctz32 <t> x)
 18167  	// result: (CLZW (RBITW <t> x))
 18168  	for {
 18169  		t := v.Type
 18170  		x := v_0
 18171  		v.reset(OpARM64CLZW)
 18172  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, t)
 18173  		v0.AddArg(x)
 18174  		v.AddArg(v0)
 18175  		return true
 18176  	}
 18177  }
 18178  func rewriteValueARM64_OpCtz64(v *Value) bool {
 18179  	v_0 := v.Args[0]
 18180  	b := v.Block
 18181  	// match: (Ctz64 <t> x)
 18182  	// result: (CLZ (RBIT <t> x))
 18183  	for {
 18184  		t := v.Type
 18185  		x := v_0
 18186  		v.reset(OpARM64CLZ)
 18187  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, t)
 18188  		v0.AddArg(x)
 18189  		v.AddArg(v0)
 18190  		return true
 18191  	}
 18192  }
 18193  func rewriteValueARM64_OpCtz8(v *Value) bool {
 18194  	v_0 := v.Args[0]
 18195  	b := v.Block
 18196  	typ := &b.Func.Config.Types
 18197  	// match: (Ctz8 <t> x)
 18198  	// result: (CLZW <t> (RBITW <typ.UInt32> (ORconst <typ.UInt32> [0x100] x)))
 18199  	for {
 18200  		t := v.Type
 18201  		x := v_0
 18202  		v.reset(OpARM64CLZW)
 18203  		v.Type = t
 18204  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, typ.UInt32)
 18205  		v1 := b.NewValue0(v.Pos, OpARM64ORconst, typ.UInt32)
 18206  		v1.AuxInt = int64ToAuxInt(0x100)
 18207  		v1.AddArg(x)
 18208  		v0.AddArg(v1)
 18209  		v.AddArg(v0)
 18210  		return true
 18211  	}
 18212  }
 18213  func rewriteValueARM64_OpDiv16(v *Value) bool {
 18214  	v_1 := v.Args[1]
 18215  	v_0 := v.Args[0]
 18216  	b := v.Block
 18217  	typ := &b.Func.Config.Types
 18218  	// match: (Div16 [false] x y)
 18219  	// result: (DIVW (SignExt16to32 x) (SignExt16to32 y))
 18220  	for {
 18221  		if auxIntToBool(v.AuxInt) != false {
 18222  			break
 18223  		}
 18224  		x := v_0
 18225  		y := v_1
 18226  		v.reset(OpARM64DIVW)
 18227  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18228  		v0.AddArg(x)
 18229  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18230  		v1.AddArg(y)
 18231  		v.AddArg2(v0, v1)
 18232  		return true
 18233  	}
 18234  	return false
 18235  }
 18236  func rewriteValueARM64_OpDiv16u(v *Value) bool {
 18237  	v_1 := v.Args[1]
 18238  	v_0 := v.Args[0]
 18239  	b := v.Block
 18240  	typ := &b.Func.Config.Types
 18241  	// match: (Div16u x y)
 18242  	// result: (UDIVW (ZeroExt16to32 x) (ZeroExt16to32 y))
 18243  	for {
 18244  		x := v_0
 18245  		y := v_1
 18246  		v.reset(OpARM64UDIVW)
 18247  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18248  		v0.AddArg(x)
 18249  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18250  		v1.AddArg(y)
 18251  		v.AddArg2(v0, v1)
 18252  		return true
 18253  	}
 18254  }
 18255  func rewriteValueARM64_OpDiv32(v *Value) bool {
 18256  	v_1 := v.Args[1]
 18257  	v_0 := v.Args[0]
 18258  	// match: (Div32 [false] x y)
 18259  	// result: (DIVW x y)
 18260  	for {
 18261  		if auxIntToBool(v.AuxInt) != false {
 18262  			break
 18263  		}
 18264  		x := v_0
 18265  		y := v_1
 18266  		v.reset(OpARM64DIVW)
 18267  		v.AddArg2(x, y)
 18268  		return true
 18269  	}
 18270  	return false
 18271  }
 18272  func rewriteValueARM64_OpDiv64(v *Value) bool {
 18273  	v_1 := v.Args[1]
 18274  	v_0 := v.Args[0]
 18275  	// match: (Div64 [false] x y)
 18276  	// result: (DIV x y)
 18277  	for {
 18278  		if auxIntToBool(v.AuxInt) != false {
 18279  			break
 18280  		}
 18281  		x := v_0
 18282  		y := v_1
 18283  		v.reset(OpARM64DIV)
 18284  		v.AddArg2(x, y)
 18285  		return true
 18286  	}
 18287  	return false
 18288  }
 18289  func rewriteValueARM64_OpDiv8(v *Value) bool {
 18290  	v_1 := v.Args[1]
 18291  	v_0 := v.Args[0]
 18292  	b := v.Block
 18293  	typ := &b.Func.Config.Types
 18294  	// match: (Div8 x y)
 18295  	// result: (DIVW (SignExt8to32 x) (SignExt8to32 y))
 18296  	for {
 18297  		x := v_0
 18298  		y := v_1
 18299  		v.reset(OpARM64DIVW)
 18300  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 18301  		v0.AddArg(x)
 18302  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 18303  		v1.AddArg(y)
 18304  		v.AddArg2(v0, v1)
 18305  		return true
 18306  	}
 18307  }
 18308  func rewriteValueARM64_OpDiv8u(v *Value) bool {
 18309  	v_1 := v.Args[1]
 18310  	v_0 := v.Args[0]
 18311  	b := v.Block
 18312  	typ := &b.Func.Config.Types
 18313  	// match: (Div8u x y)
 18314  	// result: (UDIVW (ZeroExt8to32 x) (ZeroExt8to32 y))
 18315  	for {
 18316  		x := v_0
 18317  		y := v_1
 18318  		v.reset(OpARM64UDIVW)
 18319  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18320  		v0.AddArg(x)
 18321  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18322  		v1.AddArg(y)
 18323  		v.AddArg2(v0, v1)
 18324  		return true
 18325  	}
 18326  }
 18327  func rewriteValueARM64_OpEq16(v *Value) bool {
 18328  	v_1 := v.Args[1]
 18329  	v_0 := v.Args[0]
 18330  	b := v.Block
 18331  	typ := &b.Func.Config.Types
 18332  	// match: (Eq16 x y)
 18333  	// result: (Equal (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 18334  	for {
 18335  		x := v_0
 18336  		y := v_1
 18337  		v.reset(OpARM64Equal)
 18338  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18339  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18340  		v1.AddArg(x)
 18341  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18342  		v2.AddArg(y)
 18343  		v0.AddArg2(v1, v2)
 18344  		v.AddArg(v0)
 18345  		return true
 18346  	}
 18347  }
 18348  func rewriteValueARM64_OpEq32(v *Value) bool {
 18349  	v_1 := v.Args[1]
 18350  	v_0 := v.Args[0]
 18351  	b := v.Block
 18352  	// match: (Eq32 x y)
 18353  	// result: (Equal (CMPW x y))
 18354  	for {
 18355  		x := v_0
 18356  		y := v_1
 18357  		v.reset(OpARM64Equal)
 18358  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18359  		v0.AddArg2(x, y)
 18360  		v.AddArg(v0)
 18361  		return true
 18362  	}
 18363  }
 18364  func rewriteValueARM64_OpEq32F(v *Value) bool {
 18365  	v_1 := v.Args[1]
 18366  	v_0 := v.Args[0]
 18367  	b := v.Block
 18368  	// match: (Eq32F x y)
 18369  	// result: (Equal (FCMPS x y))
 18370  	for {
 18371  		x := v_0
 18372  		y := v_1
 18373  		v.reset(OpARM64Equal)
 18374  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 18375  		v0.AddArg2(x, y)
 18376  		v.AddArg(v0)
 18377  		return true
 18378  	}
 18379  }
 18380  func rewriteValueARM64_OpEq64(v *Value) bool {
 18381  	v_1 := v.Args[1]
 18382  	v_0 := v.Args[0]
 18383  	b := v.Block
 18384  	// match: (Eq64 x y)
 18385  	// result: (Equal (CMP x y))
 18386  	for {
 18387  		x := v_0
 18388  		y := v_1
 18389  		v.reset(OpARM64Equal)
 18390  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18391  		v0.AddArg2(x, y)
 18392  		v.AddArg(v0)
 18393  		return true
 18394  	}
 18395  }
 18396  func rewriteValueARM64_OpEq64F(v *Value) bool {
 18397  	v_1 := v.Args[1]
 18398  	v_0 := v.Args[0]
 18399  	b := v.Block
 18400  	// match: (Eq64F x y)
 18401  	// result: (Equal (FCMPD x y))
 18402  	for {
 18403  		x := v_0
 18404  		y := v_1
 18405  		v.reset(OpARM64Equal)
 18406  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 18407  		v0.AddArg2(x, y)
 18408  		v.AddArg(v0)
 18409  		return true
 18410  	}
 18411  }
 18412  func rewriteValueARM64_OpEq8(v *Value) bool {
 18413  	v_1 := v.Args[1]
 18414  	v_0 := v.Args[0]
 18415  	b := v.Block
 18416  	typ := &b.Func.Config.Types
 18417  	// match: (Eq8 x y)
 18418  	// result: (Equal (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 18419  	for {
 18420  		x := v_0
 18421  		y := v_1
 18422  		v.reset(OpARM64Equal)
 18423  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18424  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18425  		v1.AddArg(x)
 18426  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18427  		v2.AddArg(y)
 18428  		v0.AddArg2(v1, v2)
 18429  		v.AddArg(v0)
 18430  		return true
 18431  	}
 18432  }
 18433  func rewriteValueARM64_OpEqB(v *Value) bool {
 18434  	v_1 := v.Args[1]
 18435  	v_0 := v.Args[0]
 18436  	b := v.Block
 18437  	typ := &b.Func.Config.Types
 18438  	// match: (EqB x y)
 18439  	// result: (XOR (MOVDconst [1]) (XOR <typ.Bool> x y))
 18440  	for {
 18441  		x := v_0
 18442  		y := v_1
 18443  		v.reset(OpARM64XOR)
 18444  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18445  		v0.AuxInt = int64ToAuxInt(1)
 18446  		v1 := b.NewValue0(v.Pos, OpARM64XOR, typ.Bool)
 18447  		v1.AddArg2(x, y)
 18448  		v.AddArg2(v0, v1)
 18449  		return true
 18450  	}
 18451  }
 18452  func rewriteValueARM64_OpEqPtr(v *Value) bool {
 18453  	v_1 := v.Args[1]
 18454  	v_0 := v.Args[0]
 18455  	b := v.Block
 18456  	// match: (EqPtr x y)
 18457  	// result: (Equal (CMP x y))
 18458  	for {
 18459  		x := v_0
 18460  		y := v_1
 18461  		v.reset(OpARM64Equal)
 18462  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18463  		v0.AddArg2(x, y)
 18464  		v.AddArg(v0)
 18465  		return true
 18466  	}
 18467  }
 18468  func rewriteValueARM64_OpFMA(v *Value) bool {
 18469  	v_2 := v.Args[2]
 18470  	v_1 := v.Args[1]
 18471  	v_0 := v.Args[0]
 18472  	// match: (FMA x y z)
 18473  	// result: (FMADDD z x y)
 18474  	for {
 18475  		x := v_0
 18476  		y := v_1
 18477  		z := v_2
 18478  		v.reset(OpARM64FMADDD)
 18479  		v.AddArg3(z, x, y)
 18480  		return true
 18481  	}
 18482  }
 18483  func rewriteValueARM64_OpHmul32(v *Value) bool {
 18484  	v_1 := v.Args[1]
 18485  	v_0 := v.Args[0]
 18486  	b := v.Block
 18487  	typ := &b.Func.Config.Types
 18488  	// match: (Hmul32 x y)
 18489  	// result: (SRAconst (MULL <typ.Int64> x y) [32])
 18490  	for {
 18491  		x := v_0
 18492  		y := v_1
 18493  		v.reset(OpARM64SRAconst)
 18494  		v.AuxInt = int64ToAuxInt(32)
 18495  		v0 := b.NewValue0(v.Pos, OpARM64MULL, typ.Int64)
 18496  		v0.AddArg2(x, y)
 18497  		v.AddArg(v0)
 18498  		return true
 18499  	}
 18500  }
 18501  func rewriteValueARM64_OpHmul32u(v *Value) bool {
 18502  	v_1 := v.Args[1]
 18503  	v_0 := v.Args[0]
 18504  	b := v.Block
 18505  	typ := &b.Func.Config.Types
 18506  	// match: (Hmul32u x y)
 18507  	// result: (SRAconst (UMULL <typ.UInt64> x y) [32])
 18508  	for {
 18509  		x := v_0
 18510  		y := v_1
 18511  		v.reset(OpARM64SRAconst)
 18512  		v.AuxInt = int64ToAuxInt(32)
 18513  		v0 := b.NewValue0(v.Pos, OpARM64UMULL, typ.UInt64)
 18514  		v0.AddArg2(x, y)
 18515  		v.AddArg(v0)
 18516  		return true
 18517  	}
 18518  }
 18519  func rewriteValueARM64_OpIsInBounds(v *Value) bool {
 18520  	v_1 := v.Args[1]
 18521  	v_0 := v.Args[0]
 18522  	b := v.Block
 18523  	// match: (IsInBounds idx len)
 18524  	// result: (LessThanU (CMP idx len))
 18525  	for {
 18526  		idx := v_0
 18527  		len := v_1
 18528  		v.reset(OpARM64LessThanU)
 18529  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18530  		v0.AddArg2(idx, len)
 18531  		v.AddArg(v0)
 18532  		return true
 18533  	}
 18534  }
 18535  func rewriteValueARM64_OpIsNonNil(v *Value) bool {
 18536  	v_0 := v.Args[0]
 18537  	b := v.Block
 18538  	// match: (IsNonNil ptr)
 18539  	// result: (NotEqual (CMPconst [0] ptr))
 18540  	for {
 18541  		ptr := v_0
 18542  		v.reset(OpARM64NotEqual)
 18543  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 18544  		v0.AuxInt = int64ToAuxInt(0)
 18545  		v0.AddArg(ptr)
 18546  		v.AddArg(v0)
 18547  		return true
 18548  	}
 18549  }
 18550  func rewriteValueARM64_OpIsSliceInBounds(v *Value) bool {
 18551  	v_1 := v.Args[1]
 18552  	v_0 := v.Args[0]
 18553  	b := v.Block
 18554  	// match: (IsSliceInBounds idx len)
 18555  	// result: (LessEqualU (CMP idx len))
 18556  	for {
 18557  		idx := v_0
 18558  		len := v_1
 18559  		v.reset(OpARM64LessEqualU)
 18560  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18561  		v0.AddArg2(idx, len)
 18562  		v.AddArg(v0)
 18563  		return true
 18564  	}
 18565  }
 18566  func rewriteValueARM64_OpLeq16(v *Value) bool {
 18567  	v_1 := v.Args[1]
 18568  	v_0 := v.Args[0]
 18569  	b := v.Block
 18570  	typ := &b.Func.Config.Types
 18571  	// match: (Leq16 x y)
 18572  	// result: (LessEqual (CMPW (SignExt16to32 x) (SignExt16to32 y)))
 18573  	for {
 18574  		x := v_0
 18575  		y := v_1
 18576  		v.reset(OpARM64LessEqual)
 18577  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18578  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18579  		v1.AddArg(x)
 18580  		v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18581  		v2.AddArg(y)
 18582  		v0.AddArg2(v1, v2)
 18583  		v.AddArg(v0)
 18584  		return true
 18585  	}
 18586  }
 18587  func rewriteValueARM64_OpLeq16U(v *Value) bool {
 18588  	v_1 := v.Args[1]
 18589  	v_0 := v.Args[0]
 18590  	b := v.Block
 18591  	typ := &b.Func.Config.Types
 18592  	// match: (Leq16U x zero:(MOVDconst [0]))
 18593  	// result: (Eq16 x zero)
 18594  	for {
 18595  		x := v_0
 18596  		zero := v_1
 18597  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18598  			break
 18599  		}
 18600  		v.reset(OpEq16)
 18601  		v.AddArg2(x, zero)
 18602  		return true
 18603  	}
 18604  	// match: (Leq16U (MOVDconst [1]) x)
 18605  	// result: (Neq16 (MOVDconst [0]) x)
 18606  	for {
 18607  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 18608  			break
 18609  		}
 18610  		x := v_1
 18611  		v.reset(OpNeq16)
 18612  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18613  		v0.AuxInt = int64ToAuxInt(0)
 18614  		v.AddArg2(v0, x)
 18615  		return true
 18616  	}
 18617  	// match: (Leq16U x y)
 18618  	// result: (LessEqualU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 18619  	for {
 18620  		x := v_0
 18621  		y := v_1
 18622  		v.reset(OpARM64LessEqualU)
 18623  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18624  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18625  		v1.AddArg(x)
 18626  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18627  		v2.AddArg(y)
 18628  		v0.AddArg2(v1, v2)
 18629  		v.AddArg(v0)
 18630  		return true
 18631  	}
 18632  }
 18633  func rewriteValueARM64_OpLeq32(v *Value) bool {
 18634  	v_1 := v.Args[1]
 18635  	v_0 := v.Args[0]
 18636  	b := v.Block
 18637  	// match: (Leq32 x y)
 18638  	// result: (LessEqual (CMPW x y))
 18639  	for {
 18640  		x := v_0
 18641  		y := v_1
 18642  		v.reset(OpARM64LessEqual)
 18643  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18644  		v0.AddArg2(x, y)
 18645  		v.AddArg(v0)
 18646  		return true
 18647  	}
 18648  }
 18649  func rewriteValueARM64_OpLeq32F(v *Value) bool {
 18650  	v_1 := v.Args[1]
 18651  	v_0 := v.Args[0]
 18652  	b := v.Block
 18653  	// match: (Leq32F x y)
 18654  	// result: (LessEqualF (FCMPS x y))
 18655  	for {
 18656  		x := v_0
 18657  		y := v_1
 18658  		v.reset(OpARM64LessEqualF)
 18659  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 18660  		v0.AddArg2(x, y)
 18661  		v.AddArg(v0)
 18662  		return true
 18663  	}
 18664  }
 18665  func rewriteValueARM64_OpLeq32U(v *Value) bool {
 18666  	v_1 := v.Args[1]
 18667  	v_0 := v.Args[0]
 18668  	b := v.Block
 18669  	typ := &b.Func.Config.Types
 18670  	// match: (Leq32U x zero:(MOVDconst [0]))
 18671  	// result: (Eq32 x zero)
 18672  	for {
 18673  		x := v_0
 18674  		zero := v_1
 18675  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18676  			break
 18677  		}
 18678  		v.reset(OpEq32)
 18679  		v.AddArg2(x, zero)
 18680  		return true
 18681  	}
 18682  	// match: (Leq32U (MOVDconst [1]) x)
 18683  	// result: (Neq32 (MOVDconst [0]) x)
 18684  	for {
 18685  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 18686  			break
 18687  		}
 18688  		x := v_1
 18689  		v.reset(OpNeq32)
 18690  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18691  		v0.AuxInt = int64ToAuxInt(0)
 18692  		v.AddArg2(v0, x)
 18693  		return true
 18694  	}
 18695  	// match: (Leq32U x y)
 18696  	// result: (LessEqualU (CMPW x y))
 18697  	for {
 18698  		x := v_0
 18699  		y := v_1
 18700  		v.reset(OpARM64LessEqualU)
 18701  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18702  		v0.AddArg2(x, y)
 18703  		v.AddArg(v0)
 18704  		return true
 18705  	}
 18706  }
 18707  func rewriteValueARM64_OpLeq64(v *Value) bool {
 18708  	v_1 := v.Args[1]
 18709  	v_0 := v.Args[0]
 18710  	b := v.Block
 18711  	// match: (Leq64 x y)
 18712  	// result: (LessEqual (CMP x y))
 18713  	for {
 18714  		x := v_0
 18715  		y := v_1
 18716  		v.reset(OpARM64LessEqual)
 18717  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18718  		v0.AddArg2(x, y)
 18719  		v.AddArg(v0)
 18720  		return true
 18721  	}
 18722  }
 18723  func rewriteValueARM64_OpLeq64F(v *Value) bool {
 18724  	v_1 := v.Args[1]
 18725  	v_0 := v.Args[0]
 18726  	b := v.Block
 18727  	// match: (Leq64F x y)
 18728  	// result: (LessEqualF (FCMPD x y))
 18729  	for {
 18730  		x := v_0
 18731  		y := v_1
 18732  		v.reset(OpARM64LessEqualF)
 18733  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 18734  		v0.AddArg2(x, y)
 18735  		v.AddArg(v0)
 18736  		return true
 18737  	}
 18738  }
 18739  func rewriteValueARM64_OpLeq64U(v *Value) bool {
 18740  	v_1 := v.Args[1]
 18741  	v_0 := v.Args[0]
 18742  	b := v.Block
 18743  	typ := &b.Func.Config.Types
 18744  	// match: (Leq64U x zero:(MOVDconst [0]))
 18745  	// result: (Eq64 x zero)
 18746  	for {
 18747  		x := v_0
 18748  		zero := v_1
 18749  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18750  			break
 18751  		}
 18752  		v.reset(OpEq64)
 18753  		v.AddArg2(x, zero)
 18754  		return true
 18755  	}
 18756  	// match: (Leq64U (MOVDconst [1]) x)
 18757  	// result: (Neq64 (MOVDconst [0]) x)
 18758  	for {
 18759  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 18760  			break
 18761  		}
 18762  		x := v_1
 18763  		v.reset(OpNeq64)
 18764  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18765  		v0.AuxInt = int64ToAuxInt(0)
 18766  		v.AddArg2(v0, x)
 18767  		return true
 18768  	}
 18769  	// match: (Leq64U x y)
 18770  	// result: (LessEqualU (CMP x y))
 18771  	for {
 18772  		x := v_0
 18773  		y := v_1
 18774  		v.reset(OpARM64LessEqualU)
 18775  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18776  		v0.AddArg2(x, y)
 18777  		v.AddArg(v0)
 18778  		return true
 18779  	}
 18780  }
 18781  func rewriteValueARM64_OpLeq8(v *Value) bool {
 18782  	v_1 := v.Args[1]
 18783  	v_0 := v.Args[0]
 18784  	b := v.Block
 18785  	typ := &b.Func.Config.Types
 18786  	// match: (Leq8 x y)
 18787  	// result: (LessEqual (CMPW (SignExt8to32 x) (SignExt8to32 y)))
 18788  	for {
 18789  		x := v_0
 18790  		y := v_1
 18791  		v.reset(OpARM64LessEqual)
 18792  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18793  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 18794  		v1.AddArg(x)
 18795  		v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 18796  		v2.AddArg(y)
 18797  		v0.AddArg2(v1, v2)
 18798  		v.AddArg(v0)
 18799  		return true
 18800  	}
 18801  }
 18802  func rewriteValueARM64_OpLeq8U(v *Value) bool {
 18803  	v_1 := v.Args[1]
 18804  	v_0 := v.Args[0]
 18805  	b := v.Block
 18806  	typ := &b.Func.Config.Types
 18807  	// match: (Leq8U x zero:(MOVDconst [0]))
 18808  	// result: (Eq8 x zero)
 18809  	for {
 18810  		x := v_0
 18811  		zero := v_1
 18812  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18813  			break
 18814  		}
 18815  		v.reset(OpEq8)
 18816  		v.AddArg2(x, zero)
 18817  		return true
 18818  	}
 18819  	// match: (Leq8U (MOVDconst [1]) x)
 18820  	// result: (Neq8 (MOVDconst [0]) x)
 18821  	for {
 18822  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 18823  			break
 18824  		}
 18825  		x := v_1
 18826  		v.reset(OpNeq8)
 18827  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18828  		v0.AuxInt = int64ToAuxInt(0)
 18829  		v.AddArg2(v0, x)
 18830  		return true
 18831  	}
 18832  	// match: (Leq8U x y)
 18833  	// result: (LessEqualU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 18834  	for {
 18835  		x := v_0
 18836  		y := v_1
 18837  		v.reset(OpARM64LessEqualU)
 18838  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18839  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18840  		v1.AddArg(x)
 18841  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18842  		v2.AddArg(y)
 18843  		v0.AddArg2(v1, v2)
 18844  		v.AddArg(v0)
 18845  		return true
 18846  	}
 18847  }
 18848  func rewriteValueARM64_OpLess16(v *Value) bool {
 18849  	v_1 := v.Args[1]
 18850  	v_0 := v.Args[0]
 18851  	b := v.Block
 18852  	typ := &b.Func.Config.Types
 18853  	// match: (Less16 x y)
 18854  	// result: (LessThan (CMPW (SignExt16to32 x) (SignExt16to32 y)))
 18855  	for {
 18856  		x := v_0
 18857  		y := v_1
 18858  		v.reset(OpARM64LessThan)
 18859  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18860  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18861  		v1.AddArg(x)
 18862  		v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18863  		v2.AddArg(y)
 18864  		v0.AddArg2(v1, v2)
 18865  		v.AddArg(v0)
 18866  		return true
 18867  	}
 18868  }
 18869  func rewriteValueARM64_OpLess16U(v *Value) bool {
 18870  	v_1 := v.Args[1]
 18871  	v_0 := v.Args[0]
 18872  	b := v.Block
 18873  	typ := &b.Func.Config.Types
 18874  	// match: (Less16U zero:(MOVDconst [0]) x)
 18875  	// result: (Neq16 zero x)
 18876  	for {
 18877  		zero := v_0
 18878  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18879  			break
 18880  		}
 18881  		x := v_1
 18882  		v.reset(OpNeq16)
 18883  		v.AddArg2(zero, x)
 18884  		return true
 18885  	}
 18886  	// match: (Less16U x (MOVDconst [1]))
 18887  	// result: (Eq16 x (MOVDconst [0]))
 18888  	for {
 18889  		x := v_0
 18890  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 18891  			break
 18892  		}
 18893  		v.reset(OpEq16)
 18894  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18895  		v0.AuxInt = int64ToAuxInt(0)
 18896  		v.AddArg2(x, v0)
 18897  		return true
 18898  	}
 18899  	// match: (Less16U x y)
 18900  	// result: (LessThanU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 18901  	for {
 18902  		x := v_0
 18903  		y := v_1
 18904  		v.reset(OpARM64LessThanU)
 18905  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18906  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18907  		v1.AddArg(x)
 18908  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18909  		v2.AddArg(y)
 18910  		v0.AddArg2(v1, v2)
 18911  		v.AddArg(v0)
 18912  		return true
 18913  	}
 18914  }
 18915  func rewriteValueARM64_OpLess32(v *Value) bool {
 18916  	v_1 := v.Args[1]
 18917  	v_0 := v.Args[0]
 18918  	b := v.Block
 18919  	// match: (Less32 x y)
 18920  	// result: (LessThan (CMPW x y))
 18921  	for {
 18922  		x := v_0
 18923  		y := v_1
 18924  		v.reset(OpARM64LessThan)
 18925  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18926  		v0.AddArg2(x, y)
 18927  		v.AddArg(v0)
 18928  		return true
 18929  	}
 18930  }
 18931  func rewriteValueARM64_OpLess32F(v *Value) bool {
 18932  	v_1 := v.Args[1]
 18933  	v_0 := v.Args[0]
 18934  	b := v.Block
 18935  	// match: (Less32F x y)
 18936  	// result: (LessThanF (FCMPS x y))
 18937  	for {
 18938  		x := v_0
 18939  		y := v_1
 18940  		v.reset(OpARM64LessThanF)
 18941  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 18942  		v0.AddArg2(x, y)
 18943  		v.AddArg(v0)
 18944  		return true
 18945  	}
 18946  }
 18947  func rewriteValueARM64_OpLess32U(v *Value) bool {
 18948  	v_1 := v.Args[1]
 18949  	v_0 := v.Args[0]
 18950  	b := v.Block
 18951  	typ := &b.Func.Config.Types
 18952  	// match: (Less32U zero:(MOVDconst [0]) x)
 18953  	// result: (Neq32 zero x)
 18954  	for {
 18955  		zero := v_0
 18956  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18957  			break
 18958  		}
 18959  		x := v_1
 18960  		v.reset(OpNeq32)
 18961  		v.AddArg2(zero, x)
 18962  		return true
 18963  	}
 18964  	// match: (Less32U x (MOVDconst [1]))
 18965  	// result: (Eq32 x (MOVDconst [0]))
 18966  	for {
 18967  		x := v_0
 18968  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 18969  			break
 18970  		}
 18971  		v.reset(OpEq32)
 18972  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18973  		v0.AuxInt = int64ToAuxInt(0)
 18974  		v.AddArg2(x, v0)
 18975  		return true
 18976  	}
 18977  	// match: (Less32U x y)
 18978  	// result: (LessThanU (CMPW x y))
 18979  	for {
 18980  		x := v_0
 18981  		y := v_1
 18982  		v.reset(OpARM64LessThanU)
 18983  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18984  		v0.AddArg2(x, y)
 18985  		v.AddArg(v0)
 18986  		return true
 18987  	}
 18988  }
 18989  func rewriteValueARM64_OpLess64(v *Value) bool {
 18990  	v_1 := v.Args[1]
 18991  	v_0 := v.Args[0]
 18992  	b := v.Block
 18993  	// match: (Less64 x y)
 18994  	// result: (LessThan (CMP x y))
 18995  	for {
 18996  		x := v_0
 18997  		y := v_1
 18998  		v.reset(OpARM64LessThan)
 18999  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 19000  		v0.AddArg2(x, y)
 19001  		v.AddArg(v0)
 19002  		return true
 19003  	}
 19004  }
 19005  func rewriteValueARM64_OpLess64F(v *Value) bool {
 19006  	v_1 := v.Args[1]
 19007  	v_0 := v.Args[0]
 19008  	b := v.Block
 19009  	// match: (Less64F x y)
 19010  	// result: (LessThanF (FCMPD x y))
 19011  	for {
 19012  		x := v_0
 19013  		y := v_1
 19014  		v.reset(OpARM64LessThanF)
 19015  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 19016  		v0.AddArg2(x, y)
 19017  		v.AddArg(v0)
 19018  		return true
 19019  	}
 19020  }
 19021  func rewriteValueARM64_OpLess64U(v *Value) bool {
 19022  	v_1 := v.Args[1]
 19023  	v_0 := v.Args[0]
 19024  	b := v.Block
 19025  	typ := &b.Func.Config.Types
 19026  	// match: (Less64U zero:(MOVDconst [0]) x)
 19027  	// result: (Neq64 zero x)
 19028  	for {
 19029  		zero := v_0
 19030  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 19031  			break
 19032  		}
 19033  		x := v_1
 19034  		v.reset(OpNeq64)
 19035  		v.AddArg2(zero, x)
 19036  		return true
 19037  	}
 19038  	// match: (Less64U x (MOVDconst [1]))
 19039  	// result: (Eq64 x (MOVDconst [0]))
 19040  	for {
 19041  		x := v_0
 19042  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 19043  			break
 19044  		}
 19045  		v.reset(OpEq64)
 19046  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19047  		v0.AuxInt = int64ToAuxInt(0)
 19048  		v.AddArg2(x, v0)
 19049  		return true
 19050  	}
 19051  	// match: (Less64U x y)
 19052  	// result: (LessThanU (CMP x y))
 19053  	for {
 19054  		x := v_0
 19055  		y := v_1
 19056  		v.reset(OpARM64LessThanU)
 19057  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 19058  		v0.AddArg2(x, y)
 19059  		v.AddArg(v0)
 19060  		return true
 19061  	}
 19062  }
 19063  func rewriteValueARM64_OpLess8(v *Value) bool {
 19064  	v_1 := v.Args[1]
 19065  	v_0 := v.Args[0]
 19066  	b := v.Block
 19067  	typ := &b.Func.Config.Types
 19068  	// match: (Less8 x y)
 19069  	// result: (LessThan (CMPW (SignExt8to32 x) (SignExt8to32 y)))
 19070  	for {
 19071  		x := v_0
 19072  		y := v_1
 19073  		v.reset(OpARM64LessThan)
 19074  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19075  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 19076  		v1.AddArg(x)
 19077  		v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 19078  		v2.AddArg(y)
 19079  		v0.AddArg2(v1, v2)
 19080  		v.AddArg(v0)
 19081  		return true
 19082  	}
 19083  }
 19084  func rewriteValueARM64_OpLess8U(v *Value) bool {
 19085  	v_1 := v.Args[1]
 19086  	v_0 := v.Args[0]
 19087  	b := v.Block
 19088  	typ := &b.Func.Config.Types
 19089  	// match: (Less8U zero:(MOVDconst [0]) x)
 19090  	// result: (Neq8 zero x)
 19091  	for {
 19092  		zero := v_0
 19093  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 19094  			break
 19095  		}
 19096  		x := v_1
 19097  		v.reset(OpNeq8)
 19098  		v.AddArg2(zero, x)
 19099  		return true
 19100  	}
 19101  	// match: (Less8U x (MOVDconst [1]))
 19102  	// result: (Eq8 x (MOVDconst [0]))
 19103  	for {
 19104  		x := v_0
 19105  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 19106  			break
 19107  		}
 19108  		v.reset(OpEq8)
 19109  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19110  		v0.AuxInt = int64ToAuxInt(0)
 19111  		v.AddArg2(x, v0)
 19112  		return true
 19113  	}
 19114  	// match: (Less8U x y)
 19115  	// result: (LessThanU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 19116  	for {
 19117  		x := v_0
 19118  		y := v_1
 19119  		v.reset(OpARM64LessThanU)
 19120  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19121  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 19122  		v1.AddArg(x)
 19123  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 19124  		v2.AddArg(y)
 19125  		v0.AddArg2(v1, v2)
 19126  		v.AddArg(v0)
 19127  		return true
 19128  	}
 19129  }
 19130  func rewriteValueARM64_OpLoad(v *Value) bool {
 19131  	v_1 := v.Args[1]
 19132  	v_0 := v.Args[0]
 19133  	// match: (Load <t> ptr mem)
 19134  	// cond: t.IsBoolean()
 19135  	// result: (MOVBUload ptr mem)
 19136  	for {
 19137  		t := v.Type
 19138  		ptr := v_0
 19139  		mem := v_1
 19140  		if !(t.IsBoolean()) {
 19141  			break
 19142  		}
 19143  		v.reset(OpARM64MOVBUload)
 19144  		v.AddArg2(ptr, mem)
 19145  		return true
 19146  	}
 19147  	// match: (Load <t> ptr mem)
 19148  	// cond: (is8BitInt(t) && t.IsSigned())
 19149  	// result: (MOVBload ptr mem)
 19150  	for {
 19151  		t := v.Type
 19152  		ptr := v_0
 19153  		mem := v_1
 19154  		if !(is8BitInt(t) && t.IsSigned()) {
 19155  			break
 19156  		}
 19157  		v.reset(OpARM64MOVBload)
 19158  		v.AddArg2(ptr, mem)
 19159  		return true
 19160  	}
 19161  	// match: (Load <t> ptr mem)
 19162  	// cond: (is8BitInt(t) && !t.IsSigned())
 19163  	// result: (MOVBUload ptr mem)
 19164  	for {
 19165  		t := v.Type
 19166  		ptr := v_0
 19167  		mem := v_1
 19168  		if !(is8BitInt(t) && !t.IsSigned()) {
 19169  			break
 19170  		}
 19171  		v.reset(OpARM64MOVBUload)
 19172  		v.AddArg2(ptr, mem)
 19173  		return true
 19174  	}
 19175  	// match: (Load <t> ptr mem)
 19176  	// cond: (is16BitInt(t) && t.IsSigned())
 19177  	// result: (MOVHload ptr mem)
 19178  	for {
 19179  		t := v.Type
 19180  		ptr := v_0
 19181  		mem := v_1
 19182  		if !(is16BitInt(t) && t.IsSigned()) {
 19183  			break
 19184  		}
 19185  		v.reset(OpARM64MOVHload)
 19186  		v.AddArg2(ptr, mem)
 19187  		return true
 19188  	}
 19189  	// match: (Load <t> ptr mem)
 19190  	// cond: (is16BitInt(t) && !t.IsSigned())
 19191  	// result: (MOVHUload ptr mem)
 19192  	for {
 19193  		t := v.Type
 19194  		ptr := v_0
 19195  		mem := v_1
 19196  		if !(is16BitInt(t) && !t.IsSigned()) {
 19197  			break
 19198  		}
 19199  		v.reset(OpARM64MOVHUload)
 19200  		v.AddArg2(ptr, mem)
 19201  		return true
 19202  	}
 19203  	// match: (Load <t> ptr mem)
 19204  	// cond: (is32BitInt(t) && t.IsSigned())
 19205  	// result: (MOVWload ptr mem)
 19206  	for {
 19207  		t := v.Type
 19208  		ptr := v_0
 19209  		mem := v_1
 19210  		if !(is32BitInt(t) && t.IsSigned()) {
 19211  			break
 19212  		}
 19213  		v.reset(OpARM64MOVWload)
 19214  		v.AddArg2(ptr, mem)
 19215  		return true
 19216  	}
 19217  	// match: (Load <t> ptr mem)
 19218  	// cond: (is32BitInt(t) && !t.IsSigned())
 19219  	// result: (MOVWUload ptr mem)
 19220  	for {
 19221  		t := v.Type
 19222  		ptr := v_0
 19223  		mem := v_1
 19224  		if !(is32BitInt(t) && !t.IsSigned()) {
 19225  			break
 19226  		}
 19227  		v.reset(OpARM64MOVWUload)
 19228  		v.AddArg2(ptr, mem)
 19229  		return true
 19230  	}
 19231  	// match: (Load <t> ptr mem)
 19232  	// cond: (is64BitInt(t) || isPtr(t))
 19233  	// result: (MOVDload ptr mem)
 19234  	for {
 19235  		t := v.Type
 19236  		ptr := v_0
 19237  		mem := v_1
 19238  		if !(is64BitInt(t) || isPtr(t)) {
 19239  			break
 19240  		}
 19241  		v.reset(OpARM64MOVDload)
 19242  		v.AddArg2(ptr, mem)
 19243  		return true
 19244  	}
 19245  	// match: (Load <t> ptr mem)
 19246  	// cond: is32BitFloat(t)
 19247  	// result: (FMOVSload ptr mem)
 19248  	for {
 19249  		t := v.Type
 19250  		ptr := v_0
 19251  		mem := v_1
 19252  		if !(is32BitFloat(t)) {
 19253  			break
 19254  		}
 19255  		v.reset(OpARM64FMOVSload)
 19256  		v.AddArg2(ptr, mem)
 19257  		return true
 19258  	}
 19259  	// match: (Load <t> ptr mem)
 19260  	// cond: is64BitFloat(t)
 19261  	// result: (FMOVDload ptr mem)
 19262  	for {
 19263  		t := v.Type
 19264  		ptr := v_0
 19265  		mem := v_1
 19266  		if !(is64BitFloat(t)) {
 19267  			break
 19268  		}
 19269  		v.reset(OpARM64FMOVDload)
 19270  		v.AddArg2(ptr, mem)
 19271  		return true
 19272  	}
 19273  	return false
 19274  }
 19275  func rewriteValueARM64_OpLocalAddr(v *Value) bool {
 19276  	v_1 := v.Args[1]
 19277  	v_0 := v.Args[0]
 19278  	b := v.Block
 19279  	typ := &b.Func.Config.Types
 19280  	// match: (LocalAddr <t> {sym} base mem)
 19281  	// cond: t.Elem().HasPointers()
 19282  	// result: (MOVDaddr {sym} (SPanchored base mem))
 19283  	for {
 19284  		t := v.Type
 19285  		sym := auxToSym(v.Aux)
 19286  		base := v_0
 19287  		mem := v_1
 19288  		if !(t.Elem().HasPointers()) {
 19289  			break
 19290  		}
 19291  		v.reset(OpARM64MOVDaddr)
 19292  		v.Aux = symToAux(sym)
 19293  		v0 := b.NewValue0(v.Pos, OpSPanchored, typ.Uintptr)
 19294  		v0.AddArg2(base, mem)
 19295  		v.AddArg(v0)
 19296  		return true
 19297  	}
 19298  	// match: (LocalAddr <t> {sym} base _)
 19299  	// cond: !t.Elem().HasPointers()
 19300  	// result: (MOVDaddr {sym} base)
 19301  	for {
 19302  		t := v.Type
 19303  		sym := auxToSym(v.Aux)
 19304  		base := v_0
 19305  		if !(!t.Elem().HasPointers()) {
 19306  			break
 19307  		}
 19308  		v.reset(OpARM64MOVDaddr)
 19309  		v.Aux = symToAux(sym)
 19310  		v.AddArg(base)
 19311  		return true
 19312  	}
 19313  	return false
 19314  }
 19315  func rewriteValueARM64_OpLsh16x16(v *Value) bool {
 19316  	v_1 := v.Args[1]
 19317  	v_0 := v.Args[0]
 19318  	b := v.Block
 19319  	typ := &b.Func.Config.Types
 19320  	// match: (Lsh16x16 <t> x y)
 19321  	// cond: shiftIsBounded(v)
 19322  	// result: (SLL <t> x y)
 19323  	for {
 19324  		t := v.Type
 19325  		x := v_0
 19326  		y := v_1
 19327  		if !(shiftIsBounded(v)) {
 19328  			break
 19329  		}
 19330  		v.reset(OpARM64SLL)
 19331  		v.Type = t
 19332  		v.AddArg2(x, y)
 19333  		return true
 19334  	}
 19335  	// match: (Lsh16x16 <t> x y)
 19336  	// cond: !shiftIsBounded(v)
 19337  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 19338  	for {
 19339  		t := v.Type
 19340  		x := v_0
 19341  		y := v_1
 19342  		if !(!shiftIsBounded(v)) {
 19343  			break
 19344  		}
 19345  		v.reset(OpARM64CSEL)
 19346  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19347  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19348  		v0.AddArg2(x, y)
 19349  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19350  		v1.AuxInt = int64ToAuxInt(0)
 19351  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19352  		v2.AuxInt = int64ToAuxInt(64)
 19353  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 19354  		v3.AddArg(y)
 19355  		v2.AddArg(v3)
 19356  		v.AddArg3(v0, v1, v2)
 19357  		return true
 19358  	}
 19359  	return false
 19360  }
 19361  func rewriteValueARM64_OpLsh16x32(v *Value) bool {
 19362  	v_1 := v.Args[1]
 19363  	v_0 := v.Args[0]
 19364  	b := v.Block
 19365  	typ := &b.Func.Config.Types
 19366  	// match: (Lsh16x32 <t> x y)
 19367  	// cond: shiftIsBounded(v)
 19368  	// result: (SLL <t> x y)
 19369  	for {
 19370  		t := v.Type
 19371  		x := v_0
 19372  		y := v_1
 19373  		if !(shiftIsBounded(v)) {
 19374  			break
 19375  		}
 19376  		v.reset(OpARM64SLL)
 19377  		v.Type = t
 19378  		v.AddArg2(x, y)
 19379  		return true
 19380  	}
 19381  	// match: (Lsh16x32 <t> x y)
 19382  	// cond: !shiftIsBounded(v)
 19383  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 19384  	for {
 19385  		t := v.Type
 19386  		x := v_0
 19387  		y := v_1
 19388  		if !(!shiftIsBounded(v)) {
 19389  			break
 19390  		}
 19391  		v.reset(OpARM64CSEL)
 19392  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19393  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19394  		v0.AddArg2(x, y)
 19395  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19396  		v1.AuxInt = int64ToAuxInt(0)
 19397  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19398  		v2.AuxInt = int64ToAuxInt(64)
 19399  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 19400  		v3.AddArg(y)
 19401  		v2.AddArg(v3)
 19402  		v.AddArg3(v0, v1, v2)
 19403  		return true
 19404  	}
 19405  	return false
 19406  }
 19407  func rewriteValueARM64_OpLsh16x64(v *Value) bool {
 19408  	v_1 := v.Args[1]
 19409  	v_0 := v.Args[0]
 19410  	b := v.Block
 19411  	// match: (Lsh16x64 <t> x y)
 19412  	// cond: shiftIsBounded(v)
 19413  	// result: (SLL <t> x y)
 19414  	for {
 19415  		t := v.Type
 19416  		x := v_0
 19417  		y := v_1
 19418  		if !(shiftIsBounded(v)) {
 19419  			break
 19420  		}
 19421  		v.reset(OpARM64SLL)
 19422  		v.Type = t
 19423  		v.AddArg2(x, y)
 19424  		return true
 19425  	}
 19426  	// match: (Lsh16x64 <t> x y)
 19427  	// cond: !shiftIsBounded(v)
 19428  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 19429  	for {
 19430  		t := v.Type
 19431  		x := v_0
 19432  		y := v_1
 19433  		if !(!shiftIsBounded(v)) {
 19434  			break
 19435  		}
 19436  		v.reset(OpARM64CSEL)
 19437  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19438  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19439  		v0.AddArg2(x, y)
 19440  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19441  		v1.AuxInt = int64ToAuxInt(0)
 19442  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19443  		v2.AuxInt = int64ToAuxInt(64)
 19444  		v2.AddArg(y)
 19445  		v.AddArg3(v0, v1, v2)
 19446  		return true
 19447  	}
 19448  	return false
 19449  }
 19450  func rewriteValueARM64_OpLsh16x8(v *Value) bool {
 19451  	v_1 := v.Args[1]
 19452  	v_0 := v.Args[0]
 19453  	b := v.Block
 19454  	typ := &b.Func.Config.Types
 19455  	// match: (Lsh16x8 <t> x y)
 19456  	// cond: shiftIsBounded(v)
 19457  	// result: (SLL <t> x y)
 19458  	for {
 19459  		t := v.Type
 19460  		x := v_0
 19461  		y := v_1
 19462  		if !(shiftIsBounded(v)) {
 19463  			break
 19464  		}
 19465  		v.reset(OpARM64SLL)
 19466  		v.Type = t
 19467  		v.AddArg2(x, y)
 19468  		return true
 19469  	}
 19470  	// match: (Lsh16x8 <t> x y)
 19471  	// cond: !shiftIsBounded(v)
 19472  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 19473  	for {
 19474  		t := v.Type
 19475  		x := v_0
 19476  		y := v_1
 19477  		if !(!shiftIsBounded(v)) {
 19478  			break
 19479  		}
 19480  		v.reset(OpARM64CSEL)
 19481  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19482  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19483  		v0.AddArg2(x, y)
 19484  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19485  		v1.AuxInt = int64ToAuxInt(0)
 19486  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19487  		v2.AuxInt = int64ToAuxInt(64)
 19488  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 19489  		v3.AddArg(y)
 19490  		v2.AddArg(v3)
 19491  		v.AddArg3(v0, v1, v2)
 19492  		return true
 19493  	}
 19494  	return false
 19495  }
 19496  func rewriteValueARM64_OpLsh32x16(v *Value) bool {
 19497  	v_1 := v.Args[1]
 19498  	v_0 := v.Args[0]
 19499  	b := v.Block
 19500  	typ := &b.Func.Config.Types
 19501  	// match: (Lsh32x16 <t> x y)
 19502  	// cond: shiftIsBounded(v)
 19503  	// result: (SLL <t> x y)
 19504  	for {
 19505  		t := v.Type
 19506  		x := v_0
 19507  		y := v_1
 19508  		if !(shiftIsBounded(v)) {
 19509  			break
 19510  		}
 19511  		v.reset(OpARM64SLL)
 19512  		v.Type = t
 19513  		v.AddArg2(x, y)
 19514  		return true
 19515  	}
 19516  	// match: (Lsh32x16 <t> x y)
 19517  	// cond: !shiftIsBounded(v)
 19518  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 19519  	for {
 19520  		t := v.Type
 19521  		x := v_0
 19522  		y := v_1
 19523  		if !(!shiftIsBounded(v)) {
 19524  			break
 19525  		}
 19526  		v.reset(OpARM64CSEL)
 19527  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19528  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19529  		v0.AddArg2(x, y)
 19530  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19531  		v1.AuxInt = int64ToAuxInt(0)
 19532  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19533  		v2.AuxInt = int64ToAuxInt(64)
 19534  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 19535  		v3.AddArg(y)
 19536  		v2.AddArg(v3)
 19537  		v.AddArg3(v0, v1, v2)
 19538  		return true
 19539  	}
 19540  	return false
 19541  }
 19542  func rewriteValueARM64_OpLsh32x32(v *Value) bool {
 19543  	v_1 := v.Args[1]
 19544  	v_0 := v.Args[0]
 19545  	b := v.Block
 19546  	typ := &b.Func.Config.Types
 19547  	// match: (Lsh32x32 <t> x y)
 19548  	// cond: shiftIsBounded(v)
 19549  	// result: (SLL <t> x y)
 19550  	for {
 19551  		t := v.Type
 19552  		x := v_0
 19553  		y := v_1
 19554  		if !(shiftIsBounded(v)) {
 19555  			break
 19556  		}
 19557  		v.reset(OpARM64SLL)
 19558  		v.Type = t
 19559  		v.AddArg2(x, y)
 19560  		return true
 19561  	}
 19562  	// match: (Lsh32x32 <t> x y)
 19563  	// cond: !shiftIsBounded(v)
 19564  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 19565  	for {
 19566  		t := v.Type
 19567  		x := v_0
 19568  		y := v_1
 19569  		if !(!shiftIsBounded(v)) {
 19570  			break
 19571  		}
 19572  		v.reset(OpARM64CSEL)
 19573  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19574  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19575  		v0.AddArg2(x, y)
 19576  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19577  		v1.AuxInt = int64ToAuxInt(0)
 19578  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19579  		v2.AuxInt = int64ToAuxInt(64)
 19580  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 19581  		v3.AddArg(y)
 19582  		v2.AddArg(v3)
 19583  		v.AddArg3(v0, v1, v2)
 19584  		return true
 19585  	}
 19586  	return false
 19587  }
 19588  func rewriteValueARM64_OpLsh32x64(v *Value) bool {
 19589  	v_1 := v.Args[1]
 19590  	v_0 := v.Args[0]
 19591  	b := v.Block
 19592  	// match: (Lsh32x64 <t> x y)
 19593  	// cond: shiftIsBounded(v)
 19594  	// result: (SLL <t> x y)
 19595  	for {
 19596  		t := v.Type
 19597  		x := v_0
 19598  		y := v_1
 19599  		if !(shiftIsBounded(v)) {
 19600  			break
 19601  		}
 19602  		v.reset(OpARM64SLL)
 19603  		v.Type = t
 19604  		v.AddArg2(x, y)
 19605  		return true
 19606  	}
 19607  	// match: (Lsh32x64 <t> x y)
 19608  	// cond: !shiftIsBounded(v)
 19609  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 19610  	for {
 19611  		t := v.Type
 19612  		x := v_0
 19613  		y := v_1
 19614  		if !(!shiftIsBounded(v)) {
 19615  			break
 19616  		}
 19617  		v.reset(OpARM64CSEL)
 19618  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19619  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19620  		v0.AddArg2(x, y)
 19621  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19622  		v1.AuxInt = int64ToAuxInt(0)
 19623  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19624  		v2.AuxInt = int64ToAuxInt(64)
 19625  		v2.AddArg(y)
 19626  		v.AddArg3(v0, v1, v2)
 19627  		return true
 19628  	}
 19629  	return false
 19630  }
 19631  func rewriteValueARM64_OpLsh32x8(v *Value) bool {
 19632  	v_1 := v.Args[1]
 19633  	v_0 := v.Args[0]
 19634  	b := v.Block
 19635  	typ := &b.Func.Config.Types
 19636  	// match: (Lsh32x8 <t> x y)
 19637  	// cond: shiftIsBounded(v)
 19638  	// result: (SLL <t> x y)
 19639  	for {
 19640  		t := v.Type
 19641  		x := v_0
 19642  		y := v_1
 19643  		if !(shiftIsBounded(v)) {
 19644  			break
 19645  		}
 19646  		v.reset(OpARM64SLL)
 19647  		v.Type = t
 19648  		v.AddArg2(x, y)
 19649  		return true
 19650  	}
 19651  	// match: (Lsh32x8 <t> x y)
 19652  	// cond: !shiftIsBounded(v)
 19653  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 19654  	for {
 19655  		t := v.Type
 19656  		x := v_0
 19657  		y := v_1
 19658  		if !(!shiftIsBounded(v)) {
 19659  			break
 19660  		}
 19661  		v.reset(OpARM64CSEL)
 19662  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19663  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19664  		v0.AddArg2(x, y)
 19665  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19666  		v1.AuxInt = int64ToAuxInt(0)
 19667  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19668  		v2.AuxInt = int64ToAuxInt(64)
 19669  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 19670  		v3.AddArg(y)
 19671  		v2.AddArg(v3)
 19672  		v.AddArg3(v0, v1, v2)
 19673  		return true
 19674  	}
 19675  	return false
 19676  }
 19677  func rewriteValueARM64_OpLsh64x16(v *Value) bool {
 19678  	v_1 := v.Args[1]
 19679  	v_0 := v.Args[0]
 19680  	b := v.Block
 19681  	typ := &b.Func.Config.Types
 19682  	// match: (Lsh64x16 <t> x y)
 19683  	// cond: shiftIsBounded(v)
 19684  	// result: (SLL <t> x y)
 19685  	for {
 19686  		t := v.Type
 19687  		x := v_0
 19688  		y := v_1
 19689  		if !(shiftIsBounded(v)) {
 19690  			break
 19691  		}
 19692  		v.reset(OpARM64SLL)
 19693  		v.Type = t
 19694  		v.AddArg2(x, y)
 19695  		return true
 19696  	}
 19697  	// match: (Lsh64x16 <t> x y)
 19698  	// cond: !shiftIsBounded(v)
 19699  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 19700  	for {
 19701  		t := v.Type
 19702  		x := v_0
 19703  		y := v_1
 19704  		if !(!shiftIsBounded(v)) {
 19705  			break
 19706  		}
 19707  		v.reset(OpARM64CSEL)
 19708  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19709  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19710  		v0.AddArg2(x, y)
 19711  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19712  		v1.AuxInt = int64ToAuxInt(0)
 19713  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19714  		v2.AuxInt = int64ToAuxInt(64)
 19715  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 19716  		v3.AddArg(y)
 19717  		v2.AddArg(v3)
 19718  		v.AddArg3(v0, v1, v2)
 19719  		return true
 19720  	}
 19721  	return false
 19722  }
 19723  func rewriteValueARM64_OpLsh64x32(v *Value) bool {
 19724  	v_1 := v.Args[1]
 19725  	v_0 := v.Args[0]
 19726  	b := v.Block
 19727  	typ := &b.Func.Config.Types
 19728  	// match: (Lsh64x32 <t> x y)
 19729  	// cond: shiftIsBounded(v)
 19730  	// result: (SLL <t> x y)
 19731  	for {
 19732  		t := v.Type
 19733  		x := v_0
 19734  		y := v_1
 19735  		if !(shiftIsBounded(v)) {
 19736  			break
 19737  		}
 19738  		v.reset(OpARM64SLL)
 19739  		v.Type = t
 19740  		v.AddArg2(x, y)
 19741  		return true
 19742  	}
 19743  	// match: (Lsh64x32 <t> x y)
 19744  	// cond: !shiftIsBounded(v)
 19745  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 19746  	for {
 19747  		t := v.Type
 19748  		x := v_0
 19749  		y := v_1
 19750  		if !(!shiftIsBounded(v)) {
 19751  			break
 19752  		}
 19753  		v.reset(OpARM64CSEL)
 19754  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19755  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19756  		v0.AddArg2(x, y)
 19757  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19758  		v1.AuxInt = int64ToAuxInt(0)
 19759  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19760  		v2.AuxInt = int64ToAuxInt(64)
 19761  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 19762  		v3.AddArg(y)
 19763  		v2.AddArg(v3)
 19764  		v.AddArg3(v0, v1, v2)
 19765  		return true
 19766  	}
 19767  	return false
 19768  }
 19769  func rewriteValueARM64_OpLsh64x64(v *Value) bool {
 19770  	v_1 := v.Args[1]
 19771  	v_0 := v.Args[0]
 19772  	b := v.Block
 19773  	// match: (Lsh64x64 <t> x y)
 19774  	// cond: shiftIsBounded(v)
 19775  	// result: (SLL <t> x y)
 19776  	for {
 19777  		t := v.Type
 19778  		x := v_0
 19779  		y := v_1
 19780  		if !(shiftIsBounded(v)) {
 19781  			break
 19782  		}
 19783  		v.reset(OpARM64SLL)
 19784  		v.Type = t
 19785  		v.AddArg2(x, y)
 19786  		return true
 19787  	}
 19788  	// match: (Lsh64x64 <t> x y)
 19789  	// cond: !shiftIsBounded(v)
 19790  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 19791  	for {
 19792  		t := v.Type
 19793  		x := v_0
 19794  		y := v_1
 19795  		if !(!shiftIsBounded(v)) {
 19796  			break
 19797  		}
 19798  		v.reset(OpARM64CSEL)
 19799  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19800  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19801  		v0.AddArg2(x, y)
 19802  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19803  		v1.AuxInt = int64ToAuxInt(0)
 19804  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19805  		v2.AuxInt = int64ToAuxInt(64)
 19806  		v2.AddArg(y)
 19807  		v.AddArg3(v0, v1, v2)
 19808  		return true
 19809  	}
 19810  	return false
 19811  }
 19812  func rewriteValueARM64_OpLsh64x8(v *Value) bool {
 19813  	v_1 := v.Args[1]
 19814  	v_0 := v.Args[0]
 19815  	b := v.Block
 19816  	typ := &b.Func.Config.Types
 19817  	// match: (Lsh64x8 <t> x y)
 19818  	// cond: shiftIsBounded(v)
 19819  	// result: (SLL <t> x y)
 19820  	for {
 19821  		t := v.Type
 19822  		x := v_0
 19823  		y := v_1
 19824  		if !(shiftIsBounded(v)) {
 19825  			break
 19826  		}
 19827  		v.reset(OpARM64SLL)
 19828  		v.Type = t
 19829  		v.AddArg2(x, y)
 19830  		return true
 19831  	}
 19832  	// match: (Lsh64x8 <t> x y)
 19833  	// cond: !shiftIsBounded(v)
 19834  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 19835  	for {
 19836  		t := v.Type
 19837  		x := v_0
 19838  		y := v_1
 19839  		if !(!shiftIsBounded(v)) {
 19840  			break
 19841  		}
 19842  		v.reset(OpARM64CSEL)
 19843  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19844  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19845  		v0.AddArg2(x, y)
 19846  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19847  		v1.AuxInt = int64ToAuxInt(0)
 19848  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19849  		v2.AuxInt = int64ToAuxInt(64)
 19850  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 19851  		v3.AddArg(y)
 19852  		v2.AddArg(v3)
 19853  		v.AddArg3(v0, v1, v2)
 19854  		return true
 19855  	}
 19856  	return false
 19857  }
 19858  func rewriteValueARM64_OpLsh8x16(v *Value) bool {
 19859  	v_1 := v.Args[1]
 19860  	v_0 := v.Args[0]
 19861  	b := v.Block
 19862  	typ := &b.Func.Config.Types
 19863  	// match: (Lsh8x16 <t> x y)
 19864  	// cond: shiftIsBounded(v)
 19865  	// result: (SLL <t> x y)
 19866  	for {
 19867  		t := v.Type
 19868  		x := v_0
 19869  		y := v_1
 19870  		if !(shiftIsBounded(v)) {
 19871  			break
 19872  		}
 19873  		v.reset(OpARM64SLL)
 19874  		v.Type = t
 19875  		v.AddArg2(x, y)
 19876  		return true
 19877  	}
 19878  	// match: (Lsh8x16 <t> x y)
 19879  	// cond: !shiftIsBounded(v)
 19880  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 19881  	for {
 19882  		t := v.Type
 19883  		x := v_0
 19884  		y := v_1
 19885  		if !(!shiftIsBounded(v)) {
 19886  			break
 19887  		}
 19888  		v.reset(OpARM64CSEL)
 19889  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19890  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19891  		v0.AddArg2(x, y)
 19892  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19893  		v1.AuxInt = int64ToAuxInt(0)
 19894  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19895  		v2.AuxInt = int64ToAuxInt(64)
 19896  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 19897  		v3.AddArg(y)
 19898  		v2.AddArg(v3)
 19899  		v.AddArg3(v0, v1, v2)
 19900  		return true
 19901  	}
 19902  	return false
 19903  }
 19904  func rewriteValueARM64_OpLsh8x32(v *Value) bool {
 19905  	v_1 := v.Args[1]
 19906  	v_0 := v.Args[0]
 19907  	b := v.Block
 19908  	typ := &b.Func.Config.Types
 19909  	// match: (Lsh8x32 <t> x y)
 19910  	// cond: shiftIsBounded(v)
 19911  	// result: (SLL <t> x y)
 19912  	for {
 19913  		t := v.Type
 19914  		x := v_0
 19915  		y := v_1
 19916  		if !(shiftIsBounded(v)) {
 19917  			break
 19918  		}
 19919  		v.reset(OpARM64SLL)
 19920  		v.Type = t
 19921  		v.AddArg2(x, y)
 19922  		return true
 19923  	}
 19924  	// match: (Lsh8x32 <t> x y)
 19925  	// cond: !shiftIsBounded(v)
 19926  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 19927  	for {
 19928  		t := v.Type
 19929  		x := v_0
 19930  		y := v_1
 19931  		if !(!shiftIsBounded(v)) {
 19932  			break
 19933  		}
 19934  		v.reset(OpARM64CSEL)
 19935  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19936  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19937  		v0.AddArg2(x, y)
 19938  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19939  		v1.AuxInt = int64ToAuxInt(0)
 19940  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19941  		v2.AuxInt = int64ToAuxInt(64)
 19942  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 19943  		v3.AddArg(y)
 19944  		v2.AddArg(v3)
 19945  		v.AddArg3(v0, v1, v2)
 19946  		return true
 19947  	}
 19948  	return false
 19949  }
 19950  func rewriteValueARM64_OpLsh8x64(v *Value) bool {
 19951  	v_1 := v.Args[1]
 19952  	v_0 := v.Args[0]
 19953  	b := v.Block
 19954  	// match: (Lsh8x64 <t> x y)
 19955  	// cond: shiftIsBounded(v)
 19956  	// result: (SLL <t> x y)
 19957  	for {
 19958  		t := v.Type
 19959  		x := v_0
 19960  		y := v_1
 19961  		if !(shiftIsBounded(v)) {
 19962  			break
 19963  		}
 19964  		v.reset(OpARM64SLL)
 19965  		v.Type = t
 19966  		v.AddArg2(x, y)
 19967  		return true
 19968  	}
 19969  	// match: (Lsh8x64 <t> x y)
 19970  	// cond: !shiftIsBounded(v)
 19971  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 19972  	for {
 19973  		t := v.Type
 19974  		x := v_0
 19975  		y := v_1
 19976  		if !(!shiftIsBounded(v)) {
 19977  			break
 19978  		}
 19979  		v.reset(OpARM64CSEL)
 19980  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19981  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19982  		v0.AddArg2(x, y)
 19983  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19984  		v1.AuxInt = int64ToAuxInt(0)
 19985  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19986  		v2.AuxInt = int64ToAuxInt(64)
 19987  		v2.AddArg(y)
 19988  		v.AddArg3(v0, v1, v2)
 19989  		return true
 19990  	}
 19991  	return false
 19992  }
 19993  func rewriteValueARM64_OpLsh8x8(v *Value) bool {
 19994  	v_1 := v.Args[1]
 19995  	v_0 := v.Args[0]
 19996  	b := v.Block
 19997  	typ := &b.Func.Config.Types
 19998  	// match: (Lsh8x8 <t> x y)
 19999  	// cond: shiftIsBounded(v)
 20000  	// result: (SLL <t> x y)
 20001  	for {
 20002  		t := v.Type
 20003  		x := v_0
 20004  		y := v_1
 20005  		if !(shiftIsBounded(v)) {
 20006  			break
 20007  		}
 20008  		v.reset(OpARM64SLL)
 20009  		v.Type = t
 20010  		v.AddArg2(x, y)
 20011  		return true
 20012  	}
 20013  	// match: (Lsh8x8 <t> x y)
 20014  	// cond: !shiftIsBounded(v)
 20015  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 20016  	for {
 20017  		t := v.Type
 20018  		x := v_0
 20019  		y := v_1
 20020  		if !(!shiftIsBounded(v)) {
 20021  			break
 20022  		}
 20023  		v.reset(OpARM64CSEL)
 20024  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20025  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20026  		v0.AddArg2(x, y)
 20027  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20028  		v1.AuxInt = int64ToAuxInt(0)
 20029  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20030  		v2.AuxInt = int64ToAuxInt(64)
 20031  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 20032  		v3.AddArg(y)
 20033  		v2.AddArg(v3)
 20034  		v.AddArg3(v0, v1, v2)
 20035  		return true
 20036  	}
 20037  	return false
 20038  }
 20039  func rewriteValueARM64_OpMod16(v *Value) bool {
 20040  	v_1 := v.Args[1]
 20041  	v_0 := v.Args[0]
 20042  	b := v.Block
 20043  	typ := &b.Func.Config.Types
 20044  	// match: (Mod16 x y)
 20045  	// result: (MODW (SignExt16to32 x) (SignExt16to32 y))
 20046  	for {
 20047  		x := v_0
 20048  		y := v_1
 20049  		v.reset(OpARM64MODW)
 20050  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20051  		v0.AddArg(x)
 20052  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20053  		v1.AddArg(y)
 20054  		v.AddArg2(v0, v1)
 20055  		return true
 20056  	}
 20057  }
 20058  func rewriteValueARM64_OpMod16u(v *Value) bool {
 20059  	v_1 := v.Args[1]
 20060  	v_0 := v.Args[0]
 20061  	b := v.Block
 20062  	typ := &b.Func.Config.Types
 20063  	// match: (Mod16u x y)
 20064  	// result: (UMODW (ZeroExt16to32 x) (ZeroExt16to32 y))
 20065  	for {
 20066  		x := v_0
 20067  		y := v_1
 20068  		v.reset(OpARM64UMODW)
 20069  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20070  		v0.AddArg(x)
 20071  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20072  		v1.AddArg(y)
 20073  		v.AddArg2(v0, v1)
 20074  		return true
 20075  	}
 20076  }
 20077  func rewriteValueARM64_OpMod32(v *Value) bool {
 20078  	v_1 := v.Args[1]
 20079  	v_0 := v.Args[0]
 20080  	// match: (Mod32 x y)
 20081  	// result: (MODW x y)
 20082  	for {
 20083  		x := v_0
 20084  		y := v_1
 20085  		v.reset(OpARM64MODW)
 20086  		v.AddArg2(x, y)
 20087  		return true
 20088  	}
 20089  }
 20090  func rewriteValueARM64_OpMod64(v *Value) bool {
 20091  	v_1 := v.Args[1]
 20092  	v_0 := v.Args[0]
 20093  	// match: (Mod64 x y)
 20094  	// result: (MOD x y)
 20095  	for {
 20096  		x := v_0
 20097  		y := v_1
 20098  		v.reset(OpARM64MOD)
 20099  		v.AddArg2(x, y)
 20100  		return true
 20101  	}
 20102  }
 20103  func rewriteValueARM64_OpMod8(v *Value) bool {
 20104  	v_1 := v.Args[1]
 20105  	v_0 := v.Args[0]
 20106  	b := v.Block
 20107  	typ := &b.Func.Config.Types
 20108  	// match: (Mod8 x y)
 20109  	// result: (MODW (SignExt8to32 x) (SignExt8to32 y))
 20110  	for {
 20111  		x := v_0
 20112  		y := v_1
 20113  		v.reset(OpARM64MODW)
 20114  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20115  		v0.AddArg(x)
 20116  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20117  		v1.AddArg(y)
 20118  		v.AddArg2(v0, v1)
 20119  		return true
 20120  	}
 20121  }
 20122  func rewriteValueARM64_OpMod8u(v *Value) bool {
 20123  	v_1 := v.Args[1]
 20124  	v_0 := v.Args[0]
 20125  	b := v.Block
 20126  	typ := &b.Func.Config.Types
 20127  	// match: (Mod8u x y)
 20128  	// result: (UMODW (ZeroExt8to32 x) (ZeroExt8to32 y))
 20129  	for {
 20130  		x := v_0
 20131  		y := v_1
 20132  		v.reset(OpARM64UMODW)
 20133  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20134  		v0.AddArg(x)
 20135  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20136  		v1.AddArg(y)
 20137  		v.AddArg2(v0, v1)
 20138  		return true
 20139  	}
 20140  }
 20141  func rewriteValueARM64_OpMove(v *Value) bool {
 20142  	v_2 := v.Args[2]
 20143  	v_1 := v.Args[1]
 20144  	v_0 := v.Args[0]
 20145  	b := v.Block
 20146  	config := b.Func.Config
 20147  	typ := &b.Func.Config.Types
 20148  	// match: (Move [0] _ _ mem)
 20149  	// result: mem
 20150  	for {
 20151  		if auxIntToInt64(v.AuxInt) != 0 {
 20152  			break
 20153  		}
 20154  		mem := v_2
 20155  		v.copyOf(mem)
 20156  		return true
 20157  	}
 20158  	// match: (Move [1] dst src mem)
 20159  	// result: (MOVBstore dst (MOVBUload src mem) mem)
 20160  	for {
 20161  		if auxIntToInt64(v.AuxInt) != 1 {
 20162  			break
 20163  		}
 20164  		dst := v_0
 20165  		src := v_1
 20166  		mem := v_2
 20167  		v.reset(OpARM64MOVBstore)
 20168  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 20169  		v0.AddArg2(src, mem)
 20170  		v.AddArg3(dst, v0, mem)
 20171  		return true
 20172  	}
 20173  	// match: (Move [2] dst src mem)
 20174  	// result: (MOVHstore dst (MOVHUload src mem) mem)
 20175  	for {
 20176  		if auxIntToInt64(v.AuxInt) != 2 {
 20177  			break
 20178  		}
 20179  		dst := v_0
 20180  		src := v_1
 20181  		mem := v_2
 20182  		v.reset(OpARM64MOVHstore)
 20183  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 20184  		v0.AddArg2(src, mem)
 20185  		v.AddArg3(dst, v0, mem)
 20186  		return true
 20187  	}
 20188  	// match: (Move [3] dst src mem)
 20189  	// result: (MOVBstore [2] dst (MOVBUload [2] src mem) (MOVHstore dst (MOVHUload src mem) mem))
 20190  	for {
 20191  		if auxIntToInt64(v.AuxInt) != 3 {
 20192  			break
 20193  		}
 20194  		dst := v_0
 20195  		src := v_1
 20196  		mem := v_2
 20197  		v.reset(OpARM64MOVBstore)
 20198  		v.AuxInt = int32ToAuxInt(2)
 20199  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 20200  		v0.AuxInt = int32ToAuxInt(2)
 20201  		v0.AddArg2(src, mem)
 20202  		v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem)
 20203  		v2 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 20204  		v2.AddArg2(src, mem)
 20205  		v1.AddArg3(dst, v2, mem)
 20206  		v.AddArg3(dst, v0, v1)
 20207  		return true
 20208  	}
 20209  	// match: (Move [4] dst src mem)
 20210  	// result: (MOVWstore dst (MOVWUload src mem) mem)
 20211  	for {
 20212  		if auxIntToInt64(v.AuxInt) != 4 {
 20213  			break
 20214  		}
 20215  		dst := v_0
 20216  		src := v_1
 20217  		mem := v_2
 20218  		v.reset(OpARM64MOVWstore)
 20219  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20220  		v0.AddArg2(src, mem)
 20221  		v.AddArg3(dst, v0, mem)
 20222  		return true
 20223  	}
 20224  	// match: (Move [5] dst src mem)
 20225  	// result: (MOVBstore [4] dst (MOVBUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 20226  	for {
 20227  		if auxIntToInt64(v.AuxInt) != 5 {
 20228  			break
 20229  		}
 20230  		dst := v_0
 20231  		src := v_1
 20232  		mem := v_2
 20233  		v.reset(OpARM64MOVBstore)
 20234  		v.AuxInt = int32ToAuxInt(4)
 20235  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 20236  		v0.AuxInt = int32ToAuxInt(4)
 20237  		v0.AddArg2(src, mem)
 20238  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 20239  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20240  		v2.AddArg2(src, mem)
 20241  		v1.AddArg3(dst, v2, mem)
 20242  		v.AddArg3(dst, v0, v1)
 20243  		return true
 20244  	}
 20245  	// match: (Move [6] dst src mem)
 20246  	// result: (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 20247  	for {
 20248  		if auxIntToInt64(v.AuxInt) != 6 {
 20249  			break
 20250  		}
 20251  		dst := v_0
 20252  		src := v_1
 20253  		mem := v_2
 20254  		v.reset(OpARM64MOVHstore)
 20255  		v.AuxInt = int32ToAuxInt(4)
 20256  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 20257  		v0.AuxInt = int32ToAuxInt(4)
 20258  		v0.AddArg2(src, mem)
 20259  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 20260  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20261  		v2.AddArg2(src, mem)
 20262  		v1.AddArg3(dst, v2, mem)
 20263  		v.AddArg3(dst, v0, v1)
 20264  		return true
 20265  	}
 20266  	// match: (Move [7] dst src mem)
 20267  	// result: (MOVWstore [3] dst (MOVWUload [3] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 20268  	for {
 20269  		if auxIntToInt64(v.AuxInt) != 7 {
 20270  			break
 20271  		}
 20272  		dst := v_0
 20273  		src := v_1
 20274  		mem := v_2
 20275  		v.reset(OpARM64MOVWstore)
 20276  		v.AuxInt = int32ToAuxInt(3)
 20277  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20278  		v0.AuxInt = int32ToAuxInt(3)
 20279  		v0.AddArg2(src, mem)
 20280  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 20281  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20282  		v2.AddArg2(src, mem)
 20283  		v1.AddArg3(dst, v2, mem)
 20284  		v.AddArg3(dst, v0, v1)
 20285  		return true
 20286  	}
 20287  	// match: (Move [8] dst src mem)
 20288  	// result: (MOVDstore dst (MOVDload src mem) mem)
 20289  	for {
 20290  		if auxIntToInt64(v.AuxInt) != 8 {
 20291  			break
 20292  		}
 20293  		dst := v_0
 20294  		src := v_1
 20295  		mem := v_2
 20296  		v.reset(OpARM64MOVDstore)
 20297  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20298  		v0.AddArg2(src, mem)
 20299  		v.AddArg3(dst, v0, mem)
 20300  		return true
 20301  	}
 20302  	// match: (Move [9] dst src mem)
 20303  	// result: (MOVBstore [8] dst (MOVBUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20304  	for {
 20305  		if auxIntToInt64(v.AuxInt) != 9 {
 20306  			break
 20307  		}
 20308  		dst := v_0
 20309  		src := v_1
 20310  		mem := v_2
 20311  		v.reset(OpARM64MOVBstore)
 20312  		v.AuxInt = int32ToAuxInt(8)
 20313  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 20314  		v0.AuxInt = int32ToAuxInt(8)
 20315  		v0.AddArg2(src, mem)
 20316  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20317  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20318  		v2.AddArg2(src, mem)
 20319  		v1.AddArg3(dst, v2, mem)
 20320  		v.AddArg3(dst, v0, v1)
 20321  		return true
 20322  	}
 20323  	// match: (Move [10] dst src mem)
 20324  	// result: (MOVHstore [8] dst (MOVHUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20325  	for {
 20326  		if auxIntToInt64(v.AuxInt) != 10 {
 20327  			break
 20328  		}
 20329  		dst := v_0
 20330  		src := v_1
 20331  		mem := v_2
 20332  		v.reset(OpARM64MOVHstore)
 20333  		v.AuxInt = int32ToAuxInt(8)
 20334  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 20335  		v0.AuxInt = int32ToAuxInt(8)
 20336  		v0.AddArg2(src, mem)
 20337  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20338  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20339  		v2.AddArg2(src, mem)
 20340  		v1.AddArg3(dst, v2, mem)
 20341  		v.AddArg3(dst, v0, v1)
 20342  		return true
 20343  	}
 20344  	// match: (Move [11] dst src mem)
 20345  	// result: (MOVDstore [3] dst (MOVDload [3] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20346  	for {
 20347  		if auxIntToInt64(v.AuxInt) != 11 {
 20348  			break
 20349  		}
 20350  		dst := v_0
 20351  		src := v_1
 20352  		mem := v_2
 20353  		v.reset(OpARM64MOVDstore)
 20354  		v.AuxInt = int32ToAuxInt(3)
 20355  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20356  		v0.AuxInt = int32ToAuxInt(3)
 20357  		v0.AddArg2(src, mem)
 20358  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20359  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20360  		v2.AddArg2(src, mem)
 20361  		v1.AddArg3(dst, v2, mem)
 20362  		v.AddArg3(dst, v0, v1)
 20363  		return true
 20364  	}
 20365  	// match: (Move [12] dst src mem)
 20366  	// result: (MOVWstore [8] dst (MOVWUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20367  	for {
 20368  		if auxIntToInt64(v.AuxInt) != 12 {
 20369  			break
 20370  		}
 20371  		dst := v_0
 20372  		src := v_1
 20373  		mem := v_2
 20374  		v.reset(OpARM64MOVWstore)
 20375  		v.AuxInt = int32ToAuxInt(8)
 20376  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20377  		v0.AuxInt = int32ToAuxInt(8)
 20378  		v0.AddArg2(src, mem)
 20379  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20380  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20381  		v2.AddArg2(src, mem)
 20382  		v1.AddArg3(dst, v2, mem)
 20383  		v.AddArg3(dst, v0, v1)
 20384  		return true
 20385  	}
 20386  	// match: (Move [13] dst src mem)
 20387  	// result: (MOVDstore [5] dst (MOVDload [5] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20388  	for {
 20389  		if auxIntToInt64(v.AuxInt) != 13 {
 20390  			break
 20391  		}
 20392  		dst := v_0
 20393  		src := v_1
 20394  		mem := v_2
 20395  		v.reset(OpARM64MOVDstore)
 20396  		v.AuxInt = int32ToAuxInt(5)
 20397  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20398  		v0.AuxInt = int32ToAuxInt(5)
 20399  		v0.AddArg2(src, mem)
 20400  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20401  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20402  		v2.AddArg2(src, mem)
 20403  		v1.AddArg3(dst, v2, mem)
 20404  		v.AddArg3(dst, v0, v1)
 20405  		return true
 20406  	}
 20407  	// match: (Move [14] dst src mem)
 20408  	// result: (MOVDstore [6] dst (MOVDload [6] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20409  	for {
 20410  		if auxIntToInt64(v.AuxInt) != 14 {
 20411  			break
 20412  		}
 20413  		dst := v_0
 20414  		src := v_1
 20415  		mem := v_2
 20416  		v.reset(OpARM64MOVDstore)
 20417  		v.AuxInt = int32ToAuxInt(6)
 20418  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20419  		v0.AuxInt = int32ToAuxInt(6)
 20420  		v0.AddArg2(src, mem)
 20421  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20422  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20423  		v2.AddArg2(src, mem)
 20424  		v1.AddArg3(dst, v2, mem)
 20425  		v.AddArg3(dst, v0, v1)
 20426  		return true
 20427  	}
 20428  	// match: (Move [15] dst src mem)
 20429  	// result: (MOVDstore [7] dst (MOVDload [7] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20430  	for {
 20431  		if auxIntToInt64(v.AuxInt) != 15 {
 20432  			break
 20433  		}
 20434  		dst := v_0
 20435  		src := v_1
 20436  		mem := v_2
 20437  		v.reset(OpARM64MOVDstore)
 20438  		v.AuxInt = int32ToAuxInt(7)
 20439  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20440  		v0.AuxInt = int32ToAuxInt(7)
 20441  		v0.AddArg2(src, mem)
 20442  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20443  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20444  		v2.AddArg2(src, mem)
 20445  		v1.AddArg3(dst, v2, mem)
 20446  		v.AddArg3(dst, v0, v1)
 20447  		return true
 20448  	}
 20449  	// match: (Move [16] dst src mem)
 20450  	// result: (STP dst (Select0 <typ.UInt64> (LDP src mem)) (Select1 <typ.UInt64> (LDP src mem)) mem)
 20451  	for {
 20452  		if auxIntToInt64(v.AuxInt) != 16 {
 20453  			break
 20454  		}
 20455  		dst := v_0
 20456  		src := v_1
 20457  		mem := v_2
 20458  		v.reset(OpARM64STP)
 20459  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20460  		v1 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20461  		v1.AddArg2(src, mem)
 20462  		v0.AddArg(v1)
 20463  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20464  		v2.AddArg(v1)
 20465  		v.AddArg4(dst, v0, v2, mem)
 20466  		return true
 20467  	}
 20468  	// match: (Move [32] dst src mem)
 20469  	// result: (STP [16] dst (Select0 <typ.UInt64> (LDP [16] src mem)) (Select1 <typ.UInt64> (LDP [16] src mem)) (STP dst (Select0 <typ.UInt64> (LDP src mem)) (Select1 <typ.UInt64> (LDP src mem)) mem))
 20470  	for {
 20471  		if auxIntToInt64(v.AuxInt) != 32 {
 20472  			break
 20473  		}
 20474  		dst := v_0
 20475  		src := v_1
 20476  		mem := v_2
 20477  		v.reset(OpARM64STP)
 20478  		v.AuxInt = int32ToAuxInt(16)
 20479  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20480  		v1 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20481  		v1.AuxInt = int32ToAuxInt(16)
 20482  		v1.AddArg2(src, mem)
 20483  		v0.AddArg(v1)
 20484  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20485  		v2.AddArg(v1)
 20486  		v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 20487  		v4 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20488  		v5 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20489  		v5.AddArg2(src, mem)
 20490  		v4.AddArg(v5)
 20491  		v6 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20492  		v6.AddArg(v5)
 20493  		v3.AddArg4(dst, v4, v6, mem)
 20494  		v.AddArg4(dst, v0, v2, v3)
 20495  		return true
 20496  	}
 20497  	// match: (Move [48] dst src mem)
 20498  	// result: (STP [32] dst (Select0 <typ.UInt64> (LDP [32] src mem)) (Select1 <typ.UInt64> (LDP [32] src mem)) (STP [16] dst (Select0 <typ.UInt64> (LDP [16] src mem)) (Select1 <typ.UInt64> (LDP [16] src mem)) (STP dst (Select0 <typ.UInt64> (LDP src mem)) (Select1 <typ.UInt64> (LDP src mem)) mem)))
 20499  	for {
 20500  		if auxIntToInt64(v.AuxInt) != 48 {
 20501  			break
 20502  		}
 20503  		dst := v_0
 20504  		src := v_1
 20505  		mem := v_2
 20506  		v.reset(OpARM64STP)
 20507  		v.AuxInt = int32ToAuxInt(32)
 20508  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20509  		v1 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20510  		v1.AuxInt = int32ToAuxInt(32)
 20511  		v1.AddArg2(src, mem)
 20512  		v0.AddArg(v1)
 20513  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20514  		v2.AddArg(v1)
 20515  		v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 20516  		v3.AuxInt = int32ToAuxInt(16)
 20517  		v4 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20518  		v5 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20519  		v5.AuxInt = int32ToAuxInt(16)
 20520  		v5.AddArg2(src, mem)
 20521  		v4.AddArg(v5)
 20522  		v6 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20523  		v6.AddArg(v5)
 20524  		v7 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 20525  		v8 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20526  		v9 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20527  		v9.AddArg2(src, mem)
 20528  		v8.AddArg(v9)
 20529  		v10 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20530  		v10.AddArg(v9)
 20531  		v7.AddArg4(dst, v8, v10, mem)
 20532  		v3.AddArg4(dst, v4, v6, v7)
 20533  		v.AddArg4(dst, v0, v2, v3)
 20534  		return true
 20535  	}
 20536  	// match: (Move [64] dst src mem)
 20537  	// result: (STP [48] dst (Select0 <typ.UInt64> (LDP [48] src mem)) (Select1 <typ.UInt64> (LDP [48] src mem)) (STP [32] dst (Select0 <typ.UInt64> (LDP [32] src mem)) (Select1 <typ.UInt64> (LDP [32] src mem)) (STP [16] dst (Select0 <typ.UInt64> (LDP [16] src mem)) (Select1 <typ.UInt64> (LDP [16] src mem)) (STP dst (Select0 <typ.UInt64> (LDP src mem)) (Select1 <typ.UInt64> (LDP src mem)) mem))))
 20538  	for {
 20539  		if auxIntToInt64(v.AuxInt) != 64 {
 20540  			break
 20541  		}
 20542  		dst := v_0
 20543  		src := v_1
 20544  		mem := v_2
 20545  		v.reset(OpARM64STP)
 20546  		v.AuxInt = int32ToAuxInt(48)
 20547  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20548  		v1 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20549  		v1.AuxInt = int32ToAuxInt(48)
 20550  		v1.AddArg2(src, mem)
 20551  		v0.AddArg(v1)
 20552  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20553  		v2.AddArg(v1)
 20554  		v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 20555  		v3.AuxInt = int32ToAuxInt(32)
 20556  		v4 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20557  		v5 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20558  		v5.AuxInt = int32ToAuxInt(32)
 20559  		v5.AddArg2(src, mem)
 20560  		v4.AddArg(v5)
 20561  		v6 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20562  		v6.AddArg(v5)
 20563  		v7 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 20564  		v7.AuxInt = int32ToAuxInt(16)
 20565  		v8 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20566  		v9 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20567  		v9.AuxInt = int32ToAuxInt(16)
 20568  		v9.AddArg2(src, mem)
 20569  		v8.AddArg(v9)
 20570  		v10 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20571  		v10.AddArg(v9)
 20572  		v11 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 20573  		v12 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20574  		v13 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20575  		v13.AddArg2(src, mem)
 20576  		v12.AddArg(v13)
 20577  		v14 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20578  		v14.AddArg(v13)
 20579  		v11.AddArg4(dst, v12, v14, mem)
 20580  		v7.AddArg4(dst, v8, v10, v11)
 20581  		v3.AddArg4(dst, v4, v6, v7)
 20582  		v.AddArg4(dst, v0, v2, v3)
 20583  		return true
 20584  	}
 20585  	// match: (Move [s] dst src mem)
 20586  	// cond: s%16 != 0 && s%16 <= 8 && s > 16
 20587  	// result: (Move [8] (OffPtr <dst.Type> dst [s-8]) (OffPtr <src.Type> src [s-8]) (Move [s-s%16] dst src mem))
 20588  	for {
 20589  		s := auxIntToInt64(v.AuxInt)
 20590  		dst := v_0
 20591  		src := v_1
 20592  		mem := v_2
 20593  		if !(s%16 != 0 && s%16 <= 8 && s > 16) {
 20594  			break
 20595  		}
 20596  		v.reset(OpMove)
 20597  		v.AuxInt = int64ToAuxInt(8)
 20598  		v0 := b.NewValue0(v.Pos, OpOffPtr, dst.Type)
 20599  		v0.AuxInt = int64ToAuxInt(s - 8)
 20600  		v0.AddArg(dst)
 20601  		v1 := b.NewValue0(v.Pos, OpOffPtr, src.Type)
 20602  		v1.AuxInt = int64ToAuxInt(s - 8)
 20603  		v1.AddArg(src)
 20604  		v2 := b.NewValue0(v.Pos, OpMove, types.TypeMem)
 20605  		v2.AuxInt = int64ToAuxInt(s - s%16)
 20606  		v2.AddArg3(dst, src, mem)
 20607  		v.AddArg3(v0, v1, v2)
 20608  		return true
 20609  	}
 20610  	// match: (Move [s] dst src mem)
 20611  	// cond: s%16 != 0 && s%16 > 8 && s > 16
 20612  	// result: (Move [16] (OffPtr <dst.Type> dst [s-16]) (OffPtr <src.Type> src [s-16]) (Move [s-s%16] dst src mem))
 20613  	for {
 20614  		s := auxIntToInt64(v.AuxInt)
 20615  		dst := v_0
 20616  		src := v_1
 20617  		mem := v_2
 20618  		if !(s%16 != 0 && s%16 > 8 && s > 16) {
 20619  			break
 20620  		}
 20621  		v.reset(OpMove)
 20622  		v.AuxInt = int64ToAuxInt(16)
 20623  		v0 := b.NewValue0(v.Pos, OpOffPtr, dst.Type)
 20624  		v0.AuxInt = int64ToAuxInt(s - 16)
 20625  		v0.AddArg(dst)
 20626  		v1 := b.NewValue0(v.Pos, OpOffPtr, src.Type)
 20627  		v1.AuxInt = int64ToAuxInt(s - 16)
 20628  		v1.AddArg(src)
 20629  		v2 := b.NewValue0(v.Pos, OpMove, types.TypeMem)
 20630  		v2.AuxInt = int64ToAuxInt(s - s%16)
 20631  		v2.AddArg3(dst, src, mem)
 20632  		v.AddArg3(v0, v1, v2)
 20633  		return true
 20634  	}
 20635  	// match: (Move [s] dst src mem)
 20636  	// cond: s > 64 && s <= 16*64 && s%16 == 0 && !config.noDuffDevice && logLargeCopy(v, s)
 20637  	// result: (DUFFCOPY [8 * (64 - s/16)] dst src mem)
 20638  	for {
 20639  		s := auxIntToInt64(v.AuxInt)
 20640  		dst := v_0
 20641  		src := v_1
 20642  		mem := v_2
 20643  		if !(s > 64 && s <= 16*64 && s%16 == 0 && !config.noDuffDevice && logLargeCopy(v, s)) {
 20644  			break
 20645  		}
 20646  		v.reset(OpARM64DUFFCOPY)
 20647  		v.AuxInt = int64ToAuxInt(8 * (64 - s/16))
 20648  		v.AddArg3(dst, src, mem)
 20649  		return true
 20650  	}
 20651  	// match: (Move [s] dst src mem)
 20652  	// cond: s%16 == 0 && (s > 16*64 || config.noDuffDevice) && logLargeCopy(v, s)
 20653  	// result: (LoweredMove dst src (ADDconst <src.Type> src [s-16]) mem)
 20654  	for {
 20655  		s := auxIntToInt64(v.AuxInt)
 20656  		dst := v_0
 20657  		src := v_1
 20658  		mem := v_2
 20659  		if !(s%16 == 0 && (s > 16*64 || config.noDuffDevice) && logLargeCopy(v, s)) {
 20660  			break
 20661  		}
 20662  		v.reset(OpARM64LoweredMove)
 20663  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, src.Type)
 20664  		v0.AuxInt = int64ToAuxInt(s - 16)
 20665  		v0.AddArg(src)
 20666  		v.AddArg4(dst, src, v0, mem)
 20667  		return true
 20668  	}
 20669  	return false
 20670  }
 20671  func rewriteValueARM64_OpNeq16(v *Value) bool {
 20672  	v_1 := v.Args[1]
 20673  	v_0 := v.Args[0]
 20674  	b := v.Block
 20675  	typ := &b.Func.Config.Types
 20676  	// match: (Neq16 x y)
 20677  	// result: (NotEqual (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 20678  	for {
 20679  		x := v_0
 20680  		y := v_1
 20681  		v.reset(OpARM64NotEqual)
 20682  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20683  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20684  		v1.AddArg(x)
 20685  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20686  		v2.AddArg(y)
 20687  		v0.AddArg2(v1, v2)
 20688  		v.AddArg(v0)
 20689  		return true
 20690  	}
 20691  }
 20692  func rewriteValueARM64_OpNeq32(v *Value) bool {
 20693  	v_1 := v.Args[1]
 20694  	v_0 := v.Args[0]
 20695  	b := v.Block
 20696  	// match: (Neq32 x y)
 20697  	// result: (NotEqual (CMPW x y))
 20698  	for {
 20699  		x := v_0
 20700  		y := v_1
 20701  		v.reset(OpARM64NotEqual)
 20702  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20703  		v0.AddArg2(x, y)
 20704  		v.AddArg(v0)
 20705  		return true
 20706  	}
 20707  }
 20708  func rewriteValueARM64_OpNeq32F(v *Value) bool {
 20709  	v_1 := v.Args[1]
 20710  	v_0 := v.Args[0]
 20711  	b := v.Block
 20712  	// match: (Neq32F x y)
 20713  	// result: (NotEqual (FCMPS x y))
 20714  	for {
 20715  		x := v_0
 20716  		y := v_1
 20717  		v.reset(OpARM64NotEqual)
 20718  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 20719  		v0.AddArg2(x, y)
 20720  		v.AddArg(v0)
 20721  		return true
 20722  	}
 20723  }
 20724  func rewriteValueARM64_OpNeq64(v *Value) bool {
 20725  	v_1 := v.Args[1]
 20726  	v_0 := v.Args[0]
 20727  	b := v.Block
 20728  	// match: (Neq64 x y)
 20729  	// result: (NotEqual (CMP x y))
 20730  	for {
 20731  		x := v_0
 20732  		y := v_1
 20733  		v.reset(OpARM64NotEqual)
 20734  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20735  		v0.AddArg2(x, y)
 20736  		v.AddArg(v0)
 20737  		return true
 20738  	}
 20739  }
 20740  func rewriteValueARM64_OpNeq64F(v *Value) bool {
 20741  	v_1 := v.Args[1]
 20742  	v_0 := v.Args[0]
 20743  	b := v.Block
 20744  	// match: (Neq64F x y)
 20745  	// result: (NotEqual (FCMPD x y))
 20746  	for {
 20747  		x := v_0
 20748  		y := v_1
 20749  		v.reset(OpARM64NotEqual)
 20750  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 20751  		v0.AddArg2(x, y)
 20752  		v.AddArg(v0)
 20753  		return true
 20754  	}
 20755  }
 20756  func rewriteValueARM64_OpNeq8(v *Value) bool {
 20757  	v_1 := v.Args[1]
 20758  	v_0 := v.Args[0]
 20759  	b := v.Block
 20760  	typ := &b.Func.Config.Types
 20761  	// match: (Neq8 x y)
 20762  	// result: (NotEqual (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 20763  	for {
 20764  		x := v_0
 20765  		y := v_1
 20766  		v.reset(OpARM64NotEqual)
 20767  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20768  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20769  		v1.AddArg(x)
 20770  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20771  		v2.AddArg(y)
 20772  		v0.AddArg2(v1, v2)
 20773  		v.AddArg(v0)
 20774  		return true
 20775  	}
 20776  }
 20777  func rewriteValueARM64_OpNeqPtr(v *Value) bool {
 20778  	v_1 := v.Args[1]
 20779  	v_0 := v.Args[0]
 20780  	b := v.Block
 20781  	// match: (NeqPtr x y)
 20782  	// result: (NotEqual (CMP x y))
 20783  	for {
 20784  		x := v_0
 20785  		y := v_1
 20786  		v.reset(OpARM64NotEqual)
 20787  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20788  		v0.AddArg2(x, y)
 20789  		v.AddArg(v0)
 20790  		return true
 20791  	}
 20792  }
 20793  func rewriteValueARM64_OpNot(v *Value) bool {
 20794  	v_0 := v.Args[0]
 20795  	b := v.Block
 20796  	typ := &b.Func.Config.Types
 20797  	// match: (Not x)
 20798  	// result: (XOR (MOVDconst [1]) x)
 20799  	for {
 20800  		x := v_0
 20801  		v.reset(OpARM64XOR)
 20802  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20803  		v0.AuxInt = int64ToAuxInt(1)
 20804  		v.AddArg2(v0, x)
 20805  		return true
 20806  	}
 20807  }
 20808  func rewriteValueARM64_OpOffPtr(v *Value) bool {
 20809  	v_0 := v.Args[0]
 20810  	// match: (OffPtr [off] ptr:(SP))
 20811  	// cond: is32Bit(off)
 20812  	// result: (MOVDaddr [int32(off)] ptr)
 20813  	for {
 20814  		off := auxIntToInt64(v.AuxInt)
 20815  		ptr := v_0
 20816  		if ptr.Op != OpSP || !(is32Bit(off)) {
 20817  			break
 20818  		}
 20819  		v.reset(OpARM64MOVDaddr)
 20820  		v.AuxInt = int32ToAuxInt(int32(off))
 20821  		v.AddArg(ptr)
 20822  		return true
 20823  	}
 20824  	// match: (OffPtr [off] ptr)
 20825  	// result: (ADDconst [off] ptr)
 20826  	for {
 20827  		off := auxIntToInt64(v.AuxInt)
 20828  		ptr := v_0
 20829  		v.reset(OpARM64ADDconst)
 20830  		v.AuxInt = int64ToAuxInt(off)
 20831  		v.AddArg(ptr)
 20832  		return true
 20833  	}
 20834  }
 20835  func rewriteValueARM64_OpPanicBounds(v *Value) bool {
 20836  	v_2 := v.Args[2]
 20837  	v_1 := v.Args[1]
 20838  	v_0 := v.Args[0]
 20839  	// match: (PanicBounds [kind] x y mem)
 20840  	// cond: boundsABI(kind) == 0
 20841  	// result: (LoweredPanicBoundsA [kind] x y mem)
 20842  	for {
 20843  		kind := auxIntToInt64(v.AuxInt)
 20844  		x := v_0
 20845  		y := v_1
 20846  		mem := v_2
 20847  		if !(boundsABI(kind) == 0) {
 20848  			break
 20849  		}
 20850  		v.reset(OpARM64LoweredPanicBoundsA)
 20851  		v.AuxInt = int64ToAuxInt(kind)
 20852  		v.AddArg3(x, y, mem)
 20853  		return true
 20854  	}
 20855  	// match: (PanicBounds [kind] x y mem)
 20856  	// cond: boundsABI(kind) == 1
 20857  	// result: (LoweredPanicBoundsB [kind] x y mem)
 20858  	for {
 20859  		kind := auxIntToInt64(v.AuxInt)
 20860  		x := v_0
 20861  		y := v_1
 20862  		mem := v_2
 20863  		if !(boundsABI(kind) == 1) {
 20864  			break
 20865  		}
 20866  		v.reset(OpARM64LoweredPanicBoundsB)
 20867  		v.AuxInt = int64ToAuxInt(kind)
 20868  		v.AddArg3(x, y, mem)
 20869  		return true
 20870  	}
 20871  	// match: (PanicBounds [kind] x y mem)
 20872  	// cond: boundsABI(kind) == 2
 20873  	// result: (LoweredPanicBoundsC [kind] x y mem)
 20874  	for {
 20875  		kind := auxIntToInt64(v.AuxInt)
 20876  		x := v_0
 20877  		y := v_1
 20878  		mem := v_2
 20879  		if !(boundsABI(kind) == 2) {
 20880  			break
 20881  		}
 20882  		v.reset(OpARM64LoweredPanicBoundsC)
 20883  		v.AuxInt = int64ToAuxInt(kind)
 20884  		v.AddArg3(x, y, mem)
 20885  		return true
 20886  	}
 20887  	return false
 20888  }
 20889  func rewriteValueARM64_OpPopCount16(v *Value) bool {
 20890  	v_0 := v.Args[0]
 20891  	b := v.Block
 20892  	typ := &b.Func.Config.Types
 20893  	// match: (PopCount16 <t> x)
 20894  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt16to64 x)))))
 20895  	for {
 20896  		t := v.Type
 20897  		x := v_0
 20898  		v.reset(OpARM64FMOVDfpgp)
 20899  		v.Type = t
 20900  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 20901  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 20902  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 20903  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 20904  		v3.AddArg(x)
 20905  		v2.AddArg(v3)
 20906  		v1.AddArg(v2)
 20907  		v0.AddArg(v1)
 20908  		v.AddArg(v0)
 20909  		return true
 20910  	}
 20911  }
 20912  func rewriteValueARM64_OpPopCount32(v *Value) bool {
 20913  	v_0 := v.Args[0]
 20914  	b := v.Block
 20915  	typ := &b.Func.Config.Types
 20916  	// match: (PopCount32 <t> x)
 20917  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt32to64 x)))))
 20918  	for {
 20919  		t := v.Type
 20920  		x := v_0
 20921  		v.reset(OpARM64FMOVDfpgp)
 20922  		v.Type = t
 20923  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 20924  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 20925  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 20926  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 20927  		v3.AddArg(x)
 20928  		v2.AddArg(v3)
 20929  		v1.AddArg(v2)
 20930  		v0.AddArg(v1)
 20931  		v.AddArg(v0)
 20932  		return true
 20933  	}
 20934  }
 20935  func rewriteValueARM64_OpPopCount64(v *Value) bool {
 20936  	v_0 := v.Args[0]
 20937  	b := v.Block
 20938  	typ := &b.Func.Config.Types
 20939  	// match: (PopCount64 <t> x)
 20940  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> x))))
 20941  	for {
 20942  		t := v.Type
 20943  		x := v_0
 20944  		v.reset(OpARM64FMOVDfpgp)
 20945  		v.Type = t
 20946  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 20947  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 20948  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 20949  		v2.AddArg(x)
 20950  		v1.AddArg(v2)
 20951  		v0.AddArg(v1)
 20952  		v.AddArg(v0)
 20953  		return true
 20954  	}
 20955  }
 20956  func rewriteValueARM64_OpPrefetchCache(v *Value) bool {
 20957  	v_1 := v.Args[1]
 20958  	v_0 := v.Args[0]
 20959  	// match: (PrefetchCache addr mem)
 20960  	// result: (PRFM [0] addr mem)
 20961  	for {
 20962  		addr := v_0
 20963  		mem := v_1
 20964  		v.reset(OpARM64PRFM)
 20965  		v.AuxInt = int64ToAuxInt(0)
 20966  		v.AddArg2(addr, mem)
 20967  		return true
 20968  	}
 20969  }
 20970  func rewriteValueARM64_OpPrefetchCacheStreamed(v *Value) bool {
 20971  	v_1 := v.Args[1]
 20972  	v_0 := v.Args[0]
 20973  	// match: (PrefetchCacheStreamed addr mem)
 20974  	// result: (PRFM [1] addr mem)
 20975  	for {
 20976  		addr := v_0
 20977  		mem := v_1
 20978  		v.reset(OpARM64PRFM)
 20979  		v.AuxInt = int64ToAuxInt(1)
 20980  		v.AddArg2(addr, mem)
 20981  		return true
 20982  	}
 20983  }
 20984  func rewriteValueARM64_OpPubBarrier(v *Value) bool {
 20985  	v_0 := v.Args[0]
 20986  	// match: (PubBarrier mem)
 20987  	// result: (DMB [0xe] mem)
 20988  	for {
 20989  		mem := v_0
 20990  		v.reset(OpARM64DMB)
 20991  		v.AuxInt = int64ToAuxInt(0xe)
 20992  		v.AddArg(mem)
 20993  		return true
 20994  	}
 20995  }
 20996  func rewriteValueARM64_OpRotateLeft16(v *Value) bool {
 20997  	v_1 := v.Args[1]
 20998  	v_0 := v.Args[0]
 20999  	b := v.Block
 21000  	typ := &b.Func.Config.Types
 21001  	// match: (RotateLeft16 <t> x (MOVDconst [c]))
 21002  	// result: (Or16 (Lsh16x64 <t> x (MOVDconst [c&15])) (Rsh16Ux64 <t> x (MOVDconst [-c&15])))
 21003  	for {
 21004  		t := v.Type
 21005  		x := v_0
 21006  		if v_1.Op != OpARM64MOVDconst {
 21007  			break
 21008  		}
 21009  		c := auxIntToInt64(v_1.AuxInt)
 21010  		v.reset(OpOr16)
 21011  		v0 := b.NewValue0(v.Pos, OpLsh16x64, t)
 21012  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 21013  		v1.AuxInt = int64ToAuxInt(c & 15)
 21014  		v0.AddArg2(x, v1)
 21015  		v2 := b.NewValue0(v.Pos, OpRsh16Ux64, t)
 21016  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 21017  		v3.AuxInt = int64ToAuxInt(-c & 15)
 21018  		v2.AddArg2(x, v3)
 21019  		v.AddArg2(v0, v2)
 21020  		return true
 21021  	}
 21022  	// match: (RotateLeft16 <t> x y)
 21023  	// result: (RORW <t> (ORshiftLL <typ.UInt32> (ZeroExt16to32 x) (ZeroExt16to32 x) [16]) (NEG <typ.Int64> y))
 21024  	for {
 21025  		t := v.Type
 21026  		x := v_0
 21027  		y := v_1
 21028  		v.reset(OpARM64RORW)
 21029  		v.Type = t
 21030  		v0 := b.NewValue0(v.Pos, OpARM64ORshiftLL, typ.UInt32)
 21031  		v0.AuxInt = int64ToAuxInt(16)
 21032  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 21033  		v1.AddArg(x)
 21034  		v0.AddArg2(v1, v1)
 21035  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 21036  		v2.AddArg(y)
 21037  		v.AddArg2(v0, v2)
 21038  		return true
 21039  	}
 21040  }
 21041  func rewriteValueARM64_OpRotateLeft32(v *Value) bool {
 21042  	v_1 := v.Args[1]
 21043  	v_0 := v.Args[0]
 21044  	b := v.Block
 21045  	// match: (RotateLeft32 x y)
 21046  	// result: (RORW x (NEG <y.Type> y))
 21047  	for {
 21048  		x := v_0
 21049  		y := v_1
 21050  		v.reset(OpARM64RORW)
 21051  		v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type)
 21052  		v0.AddArg(y)
 21053  		v.AddArg2(x, v0)
 21054  		return true
 21055  	}
 21056  }
 21057  func rewriteValueARM64_OpRotateLeft64(v *Value) bool {
 21058  	v_1 := v.Args[1]
 21059  	v_0 := v.Args[0]
 21060  	b := v.Block
 21061  	// match: (RotateLeft64 x y)
 21062  	// result: (ROR x (NEG <y.Type> y))
 21063  	for {
 21064  		x := v_0
 21065  		y := v_1
 21066  		v.reset(OpARM64ROR)
 21067  		v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type)
 21068  		v0.AddArg(y)
 21069  		v.AddArg2(x, v0)
 21070  		return true
 21071  	}
 21072  }
 21073  func rewriteValueARM64_OpRotateLeft8(v *Value) bool {
 21074  	v_1 := v.Args[1]
 21075  	v_0 := v.Args[0]
 21076  	b := v.Block
 21077  	typ := &b.Func.Config.Types
 21078  	// match: (RotateLeft8 <t> x (MOVDconst [c]))
 21079  	// result: (Or8 (Lsh8x64 <t> x (MOVDconst [c&7])) (Rsh8Ux64 <t> x (MOVDconst [-c&7])))
 21080  	for {
 21081  		t := v.Type
 21082  		x := v_0
 21083  		if v_1.Op != OpARM64MOVDconst {
 21084  			break
 21085  		}
 21086  		c := auxIntToInt64(v_1.AuxInt)
 21087  		v.reset(OpOr8)
 21088  		v0 := b.NewValue0(v.Pos, OpLsh8x64, t)
 21089  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 21090  		v1.AuxInt = int64ToAuxInt(c & 7)
 21091  		v0.AddArg2(x, v1)
 21092  		v2 := b.NewValue0(v.Pos, OpRsh8Ux64, t)
 21093  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 21094  		v3.AuxInt = int64ToAuxInt(-c & 7)
 21095  		v2.AddArg2(x, v3)
 21096  		v.AddArg2(v0, v2)
 21097  		return true
 21098  	}
 21099  	// match: (RotateLeft8 <t> x y)
 21100  	// result: (OR <t> (SLL <t> x (ANDconst <typ.Int64> [7] y)) (SRL <t> (ZeroExt8to64 x) (ANDconst <typ.Int64> [7] (NEG <typ.Int64> y))))
 21101  	for {
 21102  		t := v.Type
 21103  		x := v_0
 21104  		y := v_1
 21105  		v.reset(OpARM64OR)
 21106  		v.Type = t
 21107  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 21108  		v1 := b.NewValue0(v.Pos, OpARM64ANDconst, typ.Int64)
 21109  		v1.AuxInt = int64ToAuxInt(7)
 21110  		v1.AddArg(y)
 21111  		v0.AddArg2(x, v1)
 21112  		v2 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21113  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 21114  		v3.AddArg(x)
 21115  		v4 := b.NewValue0(v.Pos, OpARM64ANDconst, typ.Int64)
 21116  		v4.AuxInt = int64ToAuxInt(7)
 21117  		v5 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 21118  		v5.AddArg(y)
 21119  		v4.AddArg(v5)
 21120  		v2.AddArg2(v3, v4)
 21121  		v.AddArg2(v0, v2)
 21122  		return true
 21123  	}
 21124  }
 21125  func rewriteValueARM64_OpRsh16Ux16(v *Value) bool {
 21126  	v_1 := v.Args[1]
 21127  	v_0 := v.Args[0]
 21128  	b := v.Block
 21129  	typ := &b.Func.Config.Types
 21130  	// match: (Rsh16Ux16 <t> x y)
 21131  	// cond: shiftIsBounded(v)
 21132  	// result: (SRL <t> (ZeroExt16to64 x) y)
 21133  	for {
 21134  		t := v.Type
 21135  		x := v_0
 21136  		y := v_1
 21137  		if !(shiftIsBounded(v)) {
 21138  			break
 21139  		}
 21140  		v.reset(OpARM64SRL)
 21141  		v.Type = t
 21142  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21143  		v0.AddArg(x)
 21144  		v.AddArg2(v0, y)
 21145  		return true
 21146  	}
 21147  	// match: (Rsh16Ux16 <t> x y)
 21148  	// cond: !shiftIsBounded(v)
 21149  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 21150  	for {
 21151  		t := v.Type
 21152  		x := v_0
 21153  		y := v_1
 21154  		if !(!shiftIsBounded(v)) {
 21155  			break
 21156  		}
 21157  		v.reset(OpARM64CSEL)
 21158  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21159  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21160  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21161  		v1.AddArg(x)
 21162  		v0.AddArg2(v1, y)
 21163  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21164  		v2.AuxInt = int64ToAuxInt(0)
 21165  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21166  		v3.AuxInt = int64ToAuxInt(64)
 21167  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21168  		v4.AddArg(y)
 21169  		v3.AddArg(v4)
 21170  		v.AddArg3(v0, v2, v3)
 21171  		return true
 21172  	}
 21173  	return false
 21174  }
 21175  func rewriteValueARM64_OpRsh16Ux32(v *Value) bool {
 21176  	v_1 := v.Args[1]
 21177  	v_0 := v.Args[0]
 21178  	b := v.Block
 21179  	typ := &b.Func.Config.Types
 21180  	// match: (Rsh16Ux32 <t> x y)
 21181  	// cond: shiftIsBounded(v)
 21182  	// result: (SRL <t> (ZeroExt16to64 x) y)
 21183  	for {
 21184  		t := v.Type
 21185  		x := v_0
 21186  		y := v_1
 21187  		if !(shiftIsBounded(v)) {
 21188  			break
 21189  		}
 21190  		v.reset(OpARM64SRL)
 21191  		v.Type = t
 21192  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21193  		v0.AddArg(x)
 21194  		v.AddArg2(v0, y)
 21195  		return true
 21196  	}
 21197  	// match: (Rsh16Ux32 <t> x y)
 21198  	// cond: !shiftIsBounded(v)
 21199  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 21200  	for {
 21201  		t := v.Type
 21202  		x := v_0
 21203  		y := v_1
 21204  		if !(!shiftIsBounded(v)) {
 21205  			break
 21206  		}
 21207  		v.reset(OpARM64CSEL)
 21208  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21209  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21210  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21211  		v1.AddArg(x)
 21212  		v0.AddArg2(v1, y)
 21213  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21214  		v2.AuxInt = int64ToAuxInt(0)
 21215  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21216  		v3.AuxInt = int64ToAuxInt(64)
 21217  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21218  		v4.AddArg(y)
 21219  		v3.AddArg(v4)
 21220  		v.AddArg3(v0, v2, v3)
 21221  		return true
 21222  	}
 21223  	return false
 21224  }
 21225  func rewriteValueARM64_OpRsh16Ux64(v *Value) bool {
 21226  	v_1 := v.Args[1]
 21227  	v_0 := v.Args[0]
 21228  	b := v.Block
 21229  	typ := &b.Func.Config.Types
 21230  	// match: (Rsh16Ux64 <t> x y)
 21231  	// cond: shiftIsBounded(v)
 21232  	// result: (SRL <t> (ZeroExt16to64 x) y)
 21233  	for {
 21234  		t := v.Type
 21235  		x := v_0
 21236  		y := v_1
 21237  		if !(shiftIsBounded(v)) {
 21238  			break
 21239  		}
 21240  		v.reset(OpARM64SRL)
 21241  		v.Type = t
 21242  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21243  		v0.AddArg(x)
 21244  		v.AddArg2(v0, y)
 21245  		return true
 21246  	}
 21247  	// match: (Rsh16Ux64 <t> x y)
 21248  	// cond: !shiftIsBounded(v)
 21249  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] y))
 21250  	for {
 21251  		t := v.Type
 21252  		x := v_0
 21253  		y := v_1
 21254  		if !(!shiftIsBounded(v)) {
 21255  			break
 21256  		}
 21257  		v.reset(OpARM64CSEL)
 21258  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21259  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21260  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21261  		v1.AddArg(x)
 21262  		v0.AddArg2(v1, y)
 21263  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21264  		v2.AuxInt = int64ToAuxInt(0)
 21265  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21266  		v3.AuxInt = int64ToAuxInt(64)
 21267  		v3.AddArg(y)
 21268  		v.AddArg3(v0, v2, v3)
 21269  		return true
 21270  	}
 21271  	return false
 21272  }
 21273  func rewriteValueARM64_OpRsh16Ux8(v *Value) bool {
 21274  	v_1 := v.Args[1]
 21275  	v_0 := v.Args[0]
 21276  	b := v.Block
 21277  	typ := &b.Func.Config.Types
 21278  	// match: (Rsh16Ux8 <t> x y)
 21279  	// cond: shiftIsBounded(v)
 21280  	// result: (SRL <t> (ZeroExt16to64 x) y)
 21281  	for {
 21282  		t := v.Type
 21283  		x := v_0
 21284  		y := v_1
 21285  		if !(shiftIsBounded(v)) {
 21286  			break
 21287  		}
 21288  		v.reset(OpARM64SRL)
 21289  		v.Type = t
 21290  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21291  		v0.AddArg(x)
 21292  		v.AddArg2(v0, y)
 21293  		return true
 21294  	}
 21295  	// match: (Rsh16Ux8 <t> x y)
 21296  	// cond: !shiftIsBounded(v)
 21297  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 21298  	for {
 21299  		t := v.Type
 21300  		x := v_0
 21301  		y := v_1
 21302  		if !(!shiftIsBounded(v)) {
 21303  			break
 21304  		}
 21305  		v.reset(OpARM64CSEL)
 21306  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21307  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21308  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21309  		v1.AddArg(x)
 21310  		v0.AddArg2(v1, y)
 21311  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21312  		v2.AuxInt = int64ToAuxInt(0)
 21313  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21314  		v3.AuxInt = int64ToAuxInt(64)
 21315  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 21316  		v4.AddArg(y)
 21317  		v3.AddArg(v4)
 21318  		v.AddArg3(v0, v2, v3)
 21319  		return true
 21320  	}
 21321  	return false
 21322  }
 21323  func rewriteValueARM64_OpRsh16x16(v *Value) bool {
 21324  	v_1 := v.Args[1]
 21325  	v_0 := v.Args[0]
 21326  	b := v.Block
 21327  	typ := &b.Func.Config.Types
 21328  	// match: (Rsh16x16 <t> x y)
 21329  	// cond: shiftIsBounded(v)
 21330  	// result: (SRA <t> (SignExt16to64 x) y)
 21331  	for {
 21332  		t := v.Type
 21333  		x := v_0
 21334  		y := v_1
 21335  		if !(shiftIsBounded(v)) {
 21336  			break
 21337  		}
 21338  		v.reset(OpARM64SRA)
 21339  		v.Type = t
 21340  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21341  		v0.AddArg(x)
 21342  		v.AddArg2(v0, y)
 21343  		return true
 21344  	}
 21345  	// match: (Rsh16x16 x y)
 21346  	// cond: !shiftIsBounded(v)
 21347  	// result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y))))
 21348  	for {
 21349  		x := v_0
 21350  		y := v_1
 21351  		if !(!shiftIsBounded(v)) {
 21352  			break
 21353  		}
 21354  		v.reset(OpARM64SRA)
 21355  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21356  		v0.AddArg(x)
 21357  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21358  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21359  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21360  		v2.AuxInt = int64ToAuxInt(63)
 21361  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21362  		v3.AuxInt = int64ToAuxInt(64)
 21363  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21364  		v4.AddArg(y)
 21365  		v3.AddArg(v4)
 21366  		v1.AddArg3(y, v2, v3)
 21367  		v.AddArg2(v0, v1)
 21368  		return true
 21369  	}
 21370  	return false
 21371  }
 21372  func rewriteValueARM64_OpRsh16x32(v *Value) bool {
 21373  	v_1 := v.Args[1]
 21374  	v_0 := v.Args[0]
 21375  	b := v.Block
 21376  	typ := &b.Func.Config.Types
 21377  	// match: (Rsh16x32 <t> x y)
 21378  	// cond: shiftIsBounded(v)
 21379  	// result: (SRA <t> (SignExt16to64 x) y)
 21380  	for {
 21381  		t := v.Type
 21382  		x := v_0
 21383  		y := v_1
 21384  		if !(shiftIsBounded(v)) {
 21385  			break
 21386  		}
 21387  		v.reset(OpARM64SRA)
 21388  		v.Type = t
 21389  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21390  		v0.AddArg(x)
 21391  		v.AddArg2(v0, y)
 21392  		return true
 21393  	}
 21394  	// match: (Rsh16x32 x y)
 21395  	// cond: !shiftIsBounded(v)
 21396  	// result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y))))
 21397  	for {
 21398  		x := v_0
 21399  		y := v_1
 21400  		if !(!shiftIsBounded(v)) {
 21401  			break
 21402  		}
 21403  		v.reset(OpARM64SRA)
 21404  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21405  		v0.AddArg(x)
 21406  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21407  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21408  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21409  		v2.AuxInt = int64ToAuxInt(63)
 21410  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21411  		v3.AuxInt = int64ToAuxInt(64)
 21412  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21413  		v4.AddArg(y)
 21414  		v3.AddArg(v4)
 21415  		v1.AddArg3(y, v2, v3)
 21416  		v.AddArg2(v0, v1)
 21417  		return true
 21418  	}
 21419  	return false
 21420  }
 21421  func rewriteValueARM64_OpRsh16x64(v *Value) bool {
 21422  	v_1 := v.Args[1]
 21423  	v_0 := v.Args[0]
 21424  	b := v.Block
 21425  	typ := &b.Func.Config.Types
 21426  	// match: (Rsh16x64 <t> x y)
 21427  	// cond: shiftIsBounded(v)
 21428  	// result: (SRA <t> (SignExt16to64 x) y)
 21429  	for {
 21430  		t := v.Type
 21431  		x := v_0
 21432  		y := v_1
 21433  		if !(shiftIsBounded(v)) {
 21434  			break
 21435  		}
 21436  		v.reset(OpARM64SRA)
 21437  		v.Type = t
 21438  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21439  		v0.AddArg(x)
 21440  		v.AddArg2(v0, y)
 21441  		return true
 21442  	}
 21443  	// match: (Rsh16x64 x y)
 21444  	// cond: !shiftIsBounded(v)
 21445  	// result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 21446  	for {
 21447  		x := v_0
 21448  		y := v_1
 21449  		if !(!shiftIsBounded(v)) {
 21450  			break
 21451  		}
 21452  		v.reset(OpARM64SRA)
 21453  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21454  		v0.AddArg(x)
 21455  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21456  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21457  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21458  		v2.AuxInt = int64ToAuxInt(63)
 21459  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21460  		v3.AuxInt = int64ToAuxInt(64)
 21461  		v3.AddArg(y)
 21462  		v1.AddArg3(y, v2, v3)
 21463  		v.AddArg2(v0, v1)
 21464  		return true
 21465  	}
 21466  	return false
 21467  }
 21468  func rewriteValueARM64_OpRsh16x8(v *Value) bool {
 21469  	v_1 := v.Args[1]
 21470  	v_0 := v.Args[0]
 21471  	b := v.Block
 21472  	typ := &b.Func.Config.Types
 21473  	// match: (Rsh16x8 <t> x y)
 21474  	// cond: shiftIsBounded(v)
 21475  	// result: (SRA <t> (SignExt16to64 x) y)
 21476  	for {
 21477  		t := v.Type
 21478  		x := v_0
 21479  		y := v_1
 21480  		if !(shiftIsBounded(v)) {
 21481  			break
 21482  		}
 21483  		v.reset(OpARM64SRA)
 21484  		v.Type = t
 21485  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21486  		v0.AddArg(x)
 21487  		v.AddArg2(v0, y)
 21488  		return true
 21489  	}
 21490  	// match: (Rsh16x8 x y)
 21491  	// cond: !shiftIsBounded(v)
 21492  	// result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y))))
 21493  	for {
 21494  		x := v_0
 21495  		y := v_1
 21496  		if !(!shiftIsBounded(v)) {
 21497  			break
 21498  		}
 21499  		v.reset(OpARM64SRA)
 21500  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21501  		v0.AddArg(x)
 21502  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21503  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21504  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21505  		v2.AuxInt = int64ToAuxInt(63)
 21506  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21507  		v3.AuxInt = int64ToAuxInt(64)
 21508  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 21509  		v4.AddArg(y)
 21510  		v3.AddArg(v4)
 21511  		v1.AddArg3(y, v2, v3)
 21512  		v.AddArg2(v0, v1)
 21513  		return true
 21514  	}
 21515  	return false
 21516  }
 21517  func rewriteValueARM64_OpRsh32Ux16(v *Value) bool {
 21518  	v_1 := v.Args[1]
 21519  	v_0 := v.Args[0]
 21520  	b := v.Block
 21521  	typ := &b.Func.Config.Types
 21522  	// match: (Rsh32Ux16 <t> x y)
 21523  	// cond: shiftIsBounded(v)
 21524  	// result: (SRL <t> (ZeroExt32to64 x) y)
 21525  	for {
 21526  		t := v.Type
 21527  		x := v_0
 21528  		y := v_1
 21529  		if !(shiftIsBounded(v)) {
 21530  			break
 21531  		}
 21532  		v.reset(OpARM64SRL)
 21533  		v.Type = t
 21534  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21535  		v0.AddArg(x)
 21536  		v.AddArg2(v0, y)
 21537  		return true
 21538  	}
 21539  	// match: (Rsh32Ux16 <t> x y)
 21540  	// cond: !shiftIsBounded(v)
 21541  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 21542  	for {
 21543  		t := v.Type
 21544  		x := v_0
 21545  		y := v_1
 21546  		if !(!shiftIsBounded(v)) {
 21547  			break
 21548  		}
 21549  		v.reset(OpARM64CSEL)
 21550  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21551  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21552  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21553  		v1.AddArg(x)
 21554  		v0.AddArg2(v1, y)
 21555  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21556  		v2.AuxInt = int64ToAuxInt(0)
 21557  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21558  		v3.AuxInt = int64ToAuxInt(64)
 21559  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21560  		v4.AddArg(y)
 21561  		v3.AddArg(v4)
 21562  		v.AddArg3(v0, v2, v3)
 21563  		return true
 21564  	}
 21565  	return false
 21566  }
 21567  func rewriteValueARM64_OpRsh32Ux32(v *Value) bool {
 21568  	v_1 := v.Args[1]
 21569  	v_0 := v.Args[0]
 21570  	b := v.Block
 21571  	typ := &b.Func.Config.Types
 21572  	// match: (Rsh32Ux32 <t> x y)
 21573  	// cond: shiftIsBounded(v)
 21574  	// result: (SRL <t> (ZeroExt32to64 x) y)
 21575  	for {
 21576  		t := v.Type
 21577  		x := v_0
 21578  		y := v_1
 21579  		if !(shiftIsBounded(v)) {
 21580  			break
 21581  		}
 21582  		v.reset(OpARM64SRL)
 21583  		v.Type = t
 21584  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21585  		v0.AddArg(x)
 21586  		v.AddArg2(v0, y)
 21587  		return true
 21588  	}
 21589  	// match: (Rsh32Ux32 <t> x y)
 21590  	// cond: !shiftIsBounded(v)
 21591  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 21592  	for {
 21593  		t := v.Type
 21594  		x := v_0
 21595  		y := v_1
 21596  		if !(!shiftIsBounded(v)) {
 21597  			break
 21598  		}
 21599  		v.reset(OpARM64CSEL)
 21600  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21601  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21602  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21603  		v1.AddArg(x)
 21604  		v0.AddArg2(v1, y)
 21605  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21606  		v2.AuxInt = int64ToAuxInt(0)
 21607  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21608  		v3.AuxInt = int64ToAuxInt(64)
 21609  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21610  		v4.AddArg(y)
 21611  		v3.AddArg(v4)
 21612  		v.AddArg3(v0, v2, v3)
 21613  		return true
 21614  	}
 21615  	return false
 21616  }
 21617  func rewriteValueARM64_OpRsh32Ux64(v *Value) bool {
 21618  	v_1 := v.Args[1]
 21619  	v_0 := v.Args[0]
 21620  	b := v.Block
 21621  	typ := &b.Func.Config.Types
 21622  	// match: (Rsh32Ux64 <t> x y)
 21623  	// cond: shiftIsBounded(v)
 21624  	// result: (SRL <t> (ZeroExt32to64 x) y)
 21625  	for {
 21626  		t := v.Type
 21627  		x := v_0
 21628  		y := v_1
 21629  		if !(shiftIsBounded(v)) {
 21630  			break
 21631  		}
 21632  		v.reset(OpARM64SRL)
 21633  		v.Type = t
 21634  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21635  		v0.AddArg(x)
 21636  		v.AddArg2(v0, y)
 21637  		return true
 21638  	}
 21639  	// match: (Rsh32Ux64 <t> x y)
 21640  	// cond: !shiftIsBounded(v)
 21641  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] y))
 21642  	for {
 21643  		t := v.Type
 21644  		x := v_0
 21645  		y := v_1
 21646  		if !(!shiftIsBounded(v)) {
 21647  			break
 21648  		}
 21649  		v.reset(OpARM64CSEL)
 21650  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21651  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21652  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21653  		v1.AddArg(x)
 21654  		v0.AddArg2(v1, y)
 21655  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21656  		v2.AuxInt = int64ToAuxInt(0)
 21657  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21658  		v3.AuxInt = int64ToAuxInt(64)
 21659  		v3.AddArg(y)
 21660  		v.AddArg3(v0, v2, v3)
 21661  		return true
 21662  	}
 21663  	return false
 21664  }
 21665  func rewriteValueARM64_OpRsh32Ux8(v *Value) bool {
 21666  	v_1 := v.Args[1]
 21667  	v_0 := v.Args[0]
 21668  	b := v.Block
 21669  	typ := &b.Func.Config.Types
 21670  	// match: (Rsh32Ux8 <t> x y)
 21671  	// cond: shiftIsBounded(v)
 21672  	// result: (SRL <t> (ZeroExt32to64 x) y)
 21673  	for {
 21674  		t := v.Type
 21675  		x := v_0
 21676  		y := v_1
 21677  		if !(shiftIsBounded(v)) {
 21678  			break
 21679  		}
 21680  		v.reset(OpARM64SRL)
 21681  		v.Type = t
 21682  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21683  		v0.AddArg(x)
 21684  		v.AddArg2(v0, y)
 21685  		return true
 21686  	}
 21687  	// match: (Rsh32Ux8 <t> x y)
 21688  	// cond: !shiftIsBounded(v)
 21689  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 21690  	for {
 21691  		t := v.Type
 21692  		x := v_0
 21693  		y := v_1
 21694  		if !(!shiftIsBounded(v)) {
 21695  			break
 21696  		}
 21697  		v.reset(OpARM64CSEL)
 21698  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21699  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21700  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21701  		v1.AddArg(x)
 21702  		v0.AddArg2(v1, y)
 21703  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21704  		v2.AuxInt = int64ToAuxInt(0)
 21705  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21706  		v3.AuxInt = int64ToAuxInt(64)
 21707  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 21708  		v4.AddArg(y)
 21709  		v3.AddArg(v4)
 21710  		v.AddArg3(v0, v2, v3)
 21711  		return true
 21712  	}
 21713  	return false
 21714  }
 21715  func rewriteValueARM64_OpRsh32x16(v *Value) bool {
 21716  	v_1 := v.Args[1]
 21717  	v_0 := v.Args[0]
 21718  	b := v.Block
 21719  	typ := &b.Func.Config.Types
 21720  	// match: (Rsh32x16 <t> x y)
 21721  	// cond: shiftIsBounded(v)
 21722  	// result: (SRA <t> (SignExt32to64 x) y)
 21723  	for {
 21724  		t := v.Type
 21725  		x := v_0
 21726  		y := v_1
 21727  		if !(shiftIsBounded(v)) {
 21728  			break
 21729  		}
 21730  		v.reset(OpARM64SRA)
 21731  		v.Type = t
 21732  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21733  		v0.AddArg(x)
 21734  		v.AddArg2(v0, y)
 21735  		return true
 21736  	}
 21737  	// match: (Rsh32x16 x y)
 21738  	// cond: !shiftIsBounded(v)
 21739  	// result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y))))
 21740  	for {
 21741  		x := v_0
 21742  		y := v_1
 21743  		if !(!shiftIsBounded(v)) {
 21744  			break
 21745  		}
 21746  		v.reset(OpARM64SRA)
 21747  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21748  		v0.AddArg(x)
 21749  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21750  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21751  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21752  		v2.AuxInt = int64ToAuxInt(63)
 21753  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21754  		v3.AuxInt = int64ToAuxInt(64)
 21755  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21756  		v4.AddArg(y)
 21757  		v3.AddArg(v4)
 21758  		v1.AddArg3(y, v2, v3)
 21759  		v.AddArg2(v0, v1)
 21760  		return true
 21761  	}
 21762  	return false
 21763  }
 21764  func rewriteValueARM64_OpRsh32x32(v *Value) bool {
 21765  	v_1 := v.Args[1]
 21766  	v_0 := v.Args[0]
 21767  	b := v.Block
 21768  	typ := &b.Func.Config.Types
 21769  	// match: (Rsh32x32 <t> x y)
 21770  	// cond: shiftIsBounded(v)
 21771  	// result: (SRA <t> (SignExt32to64 x) y)
 21772  	for {
 21773  		t := v.Type
 21774  		x := v_0
 21775  		y := v_1
 21776  		if !(shiftIsBounded(v)) {
 21777  			break
 21778  		}
 21779  		v.reset(OpARM64SRA)
 21780  		v.Type = t
 21781  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21782  		v0.AddArg(x)
 21783  		v.AddArg2(v0, y)
 21784  		return true
 21785  	}
 21786  	// match: (Rsh32x32 x y)
 21787  	// cond: !shiftIsBounded(v)
 21788  	// result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y))))
 21789  	for {
 21790  		x := v_0
 21791  		y := v_1
 21792  		if !(!shiftIsBounded(v)) {
 21793  			break
 21794  		}
 21795  		v.reset(OpARM64SRA)
 21796  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21797  		v0.AddArg(x)
 21798  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21799  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21800  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21801  		v2.AuxInt = int64ToAuxInt(63)
 21802  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21803  		v3.AuxInt = int64ToAuxInt(64)
 21804  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21805  		v4.AddArg(y)
 21806  		v3.AddArg(v4)
 21807  		v1.AddArg3(y, v2, v3)
 21808  		v.AddArg2(v0, v1)
 21809  		return true
 21810  	}
 21811  	return false
 21812  }
 21813  func rewriteValueARM64_OpRsh32x64(v *Value) bool {
 21814  	v_1 := v.Args[1]
 21815  	v_0 := v.Args[0]
 21816  	b := v.Block
 21817  	typ := &b.Func.Config.Types
 21818  	// match: (Rsh32x64 <t> x y)
 21819  	// cond: shiftIsBounded(v)
 21820  	// result: (SRA <t> (SignExt32to64 x) y)
 21821  	for {
 21822  		t := v.Type
 21823  		x := v_0
 21824  		y := v_1
 21825  		if !(shiftIsBounded(v)) {
 21826  			break
 21827  		}
 21828  		v.reset(OpARM64SRA)
 21829  		v.Type = t
 21830  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21831  		v0.AddArg(x)
 21832  		v.AddArg2(v0, y)
 21833  		return true
 21834  	}
 21835  	// match: (Rsh32x64 x y)
 21836  	// cond: !shiftIsBounded(v)
 21837  	// result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 21838  	for {
 21839  		x := v_0
 21840  		y := v_1
 21841  		if !(!shiftIsBounded(v)) {
 21842  			break
 21843  		}
 21844  		v.reset(OpARM64SRA)
 21845  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21846  		v0.AddArg(x)
 21847  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21848  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21849  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21850  		v2.AuxInt = int64ToAuxInt(63)
 21851  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21852  		v3.AuxInt = int64ToAuxInt(64)
 21853  		v3.AddArg(y)
 21854  		v1.AddArg3(y, v2, v3)
 21855  		v.AddArg2(v0, v1)
 21856  		return true
 21857  	}
 21858  	return false
 21859  }
 21860  func rewriteValueARM64_OpRsh32x8(v *Value) bool {
 21861  	v_1 := v.Args[1]
 21862  	v_0 := v.Args[0]
 21863  	b := v.Block
 21864  	typ := &b.Func.Config.Types
 21865  	// match: (Rsh32x8 <t> x y)
 21866  	// cond: shiftIsBounded(v)
 21867  	// result: (SRA <t> (SignExt32to64 x) y)
 21868  	for {
 21869  		t := v.Type
 21870  		x := v_0
 21871  		y := v_1
 21872  		if !(shiftIsBounded(v)) {
 21873  			break
 21874  		}
 21875  		v.reset(OpARM64SRA)
 21876  		v.Type = t
 21877  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21878  		v0.AddArg(x)
 21879  		v.AddArg2(v0, y)
 21880  		return true
 21881  	}
 21882  	// match: (Rsh32x8 x y)
 21883  	// cond: !shiftIsBounded(v)
 21884  	// result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y))))
 21885  	for {
 21886  		x := v_0
 21887  		y := v_1
 21888  		if !(!shiftIsBounded(v)) {
 21889  			break
 21890  		}
 21891  		v.reset(OpARM64SRA)
 21892  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21893  		v0.AddArg(x)
 21894  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21895  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21896  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21897  		v2.AuxInt = int64ToAuxInt(63)
 21898  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21899  		v3.AuxInt = int64ToAuxInt(64)
 21900  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 21901  		v4.AddArg(y)
 21902  		v3.AddArg(v4)
 21903  		v1.AddArg3(y, v2, v3)
 21904  		v.AddArg2(v0, v1)
 21905  		return true
 21906  	}
 21907  	return false
 21908  }
 21909  func rewriteValueARM64_OpRsh64Ux16(v *Value) bool {
 21910  	v_1 := v.Args[1]
 21911  	v_0 := v.Args[0]
 21912  	b := v.Block
 21913  	typ := &b.Func.Config.Types
 21914  	// match: (Rsh64Ux16 <t> x y)
 21915  	// cond: shiftIsBounded(v)
 21916  	// result: (SRL <t> x y)
 21917  	for {
 21918  		t := v.Type
 21919  		x := v_0
 21920  		y := v_1
 21921  		if !(shiftIsBounded(v)) {
 21922  			break
 21923  		}
 21924  		v.reset(OpARM64SRL)
 21925  		v.Type = t
 21926  		v.AddArg2(x, y)
 21927  		return true
 21928  	}
 21929  	// match: (Rsh64Ux16 <t> x y)
 21930  	// cond: !shiftIsBounded(v)
 21931  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 21932  	for {
 21933  		t := v.Type
 21934  		x := v_0
 21935  		y := v_1
 21936  		if !(!shiftIsBounded(v)) {
 21937  			break
 21938  		}
 21939  		v.reset(OpARM64CSEL)
 21940  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21941  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21942  		v0.AddArg2(x, y)
 21943  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 21944  		v1.AuxInt = int64ToAuxInt(0)
 21945  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21946  		v2.AuxInt = int64ToAuxInt(64)
 21947  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21948  		v3.AddArg(y)
 21949  		v2.AddArg(v3)
 21950  		v.AddArg3(v0, v1, v2)
 21951  		return true
 21952  	}
 21953  	return false
 21954  }
 21955  func rewriteValueARM64_OpRsh64Ux32(v *Value) bool {
 21956  	v_1 := v.Args[1]
 21957  	v_0 := v.Args[0]
 21958  	b := v.Block
 21959  	typ := &b.Func.Config.Types
 21960  	// match: (Rsh64Ux32 <t> x y)
 21961  	// cond: shiftIsBounded(v)
 21962  	// result: (SRL <t> x y)
 21963  	for {
 21964  		t := v.Type
 21965  		x := v_0
 21966  		y := v_1
 21967  		if !(shiftIsBounded(v)) {
 21968  			break
 21969  		}
 21970  		v.reset(OpARM64SRL)
 21971  		v.Type = t
 21972  		v.AddArg2(x, y)
 21973  		return true
 21974  	}
 21975  	// match: (Rsh64Ux32 <t> x y)
 21976  	// cond: !shiftIsBounded(v)
 21977  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 21978  	for {
 21979  		t := v.Type
 21980  		x := v_0
 21981  		y := v_1
 21982  		if !(!shiftIsBounded(v)) {
 21983  			break
 21984  		}
 21985  		v.reset(OpARM64CSEL)
 21986  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21987  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21988  		v0.AddArg2(x, y)
 21989  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 21990  		v1.AuxInt = int64ToAuxInt(0)
 21991  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21992  		v2.AuxInt = int64ToAuxInt(64)
 21993  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21994  		v3.AddArg(y)
 21995  		v2.AddArg(v3)
 21996  		v.AddArg3(v0, v1, v2)
 21997  		return true
 21998  	}
 21999  	return false
 22000  }
 22001  func rewriteValueARM64_OpRsh64Ux64(v *Value) bool {
 22002  	v_1 := v.Args[1]
 22003  	v_0 := v.Args[0]
 22004  	b := v.Block
 22005  	// match: (Rsh64Ux64 <t> x y)
 22006  	// cond: shiftIsBounded(v)
 22007  	// result: (SRL <t> x y)
 22008  	for {
 22009  		t := v.Type
 22010  		x := v_0
 22011  		y := v_1
 22012  		if !(shiftIsBounded(v)) {
 22013  			break
 22014  		}
 22015  		v.reset(OpARM64SRL)
 22016  		v.Type = t
 22017  		v.AddArg2(x, y)
 22018  		return true
 22019  	}
 22020  	// match: (Rsh64Ux64 <t> x y)
 22021  	// cond: !shiftIsBounded(v)
 22022  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 22023  	for {
 22024  		t := v.Type
 22025  		x := v_0
 22026  		y := v_1
 22027  		if !(!shiftIsBounded(v)) {
 22028  			break
 22029  		}
 22030  		v.reset(OpARM64CSEL)
 22031  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22032  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22033  		v0.AddArg2(x, y)
 22034  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 22035  		v1.AuxInt = int64ToAuxInt(0)
 22036  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22037  		v2.AuxInt = int64ToAuxInt(64)
 22038  		v2.AddArg(y)
 22039  		v.AddArg3(v0, v1, v2)
 22040  		return true
 22041  	}
 22042  	return false
 22043  }
 22044  func rewriteValueARM64_OpRsh64Ux8(v *Value) bool {
 22045  	v_1 := v.Args[1]
 22046  	v_0 := v.Args[0]
 22047  	b := v.Block
 22048  	typ := &b.Func.Config.Types
 22049  	// match: (Rsh64Ux8 <t> x y)
 22050  	// cond: shiftIsBounded(v)
 22051  	// result: (SRL <t> x y)
 22052  	for {
 22053  		t := v.Type
 22054  		x := v_0
 22055  		y := v_1
 22056  		if !(shiftIsBounded(v)) {
 22057  			break
 22058  		}
 22059  		v.reset(OpARM64SRL)
 22060  		v.Type = t
 22061  		v.AddArg2(x, y)
 22062  		return true
 22063  	}
 22064  	// match: (Rsh64Ux8 <t> x y)
 22065  	// cond: !shiftIsBounded(v)
 22066  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 22067  	for {
 22068  		t := v.Type
 22069  		x := v_0
 22070  		y := v_1
 22071  		if !(!shiftIsBounded(v)) {
 22072  			break
 22073  		}
 22074  		v.reset(OpARM64CSEL)
 22075  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22076  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22077  		v0.AddArg2(x, y)
 22078  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 22079  		v1.AuxInt = int64ToAuxInt(0)
 22080  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22081  		v2.AuxInt = int64ToAuxInt(64)
 22082  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22083  		v3.AddArg(y)
 22084  		v2.AddArg(v3)
 22085  		v.AddArg3(v0, v1, v2)
 22086  		return true
 22087  	}
 22088  	return false
 22089  }
 22090  func rewriteValueARM64_OpRsh64x16(v *Value) bool {
 22091  	v_1 := v.Args[1]
 22092  	v_0 := v.Args[0]
 22093  	b := v.Block
 22094  	typ := &b.Func.Config.Types
 22095  	// match: (Rsh64x16 <t> x y)
 22096  	// cond: shiftIsBounded(v)
 22097  	// result: (SRA <t> x y)
 22098  	for {
 22099  		t := v.Type
 22100  		x := v_0
 22101  		y := v_1
 22102  		if !(shiftIsBounded(v)) {
 22103  			break
 22104  		}
 22105  		v.reset(OpARM64SRA)
 22106  		v.Type = t
 22107  		v.AddArg2(x, y)
 22108  		return true
 22109  	}
 22110  	// match: (Rsh64x16 x y)
 22111  	// cond: !shiftIsBounded(v)
 22112  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y))))
 22113  	for {
 22114  		x := v_0
 22115  		y := v_1
 22116  		if !(!shiftIsBounded(v)) {
 22117  			break
 22118  		}
 22119  		v.reset(OpARM64SRA)
 22120  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22121  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 22122  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22123  		v1.AuxInt = int64ToAuxInt(63)
 22124  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22125  		v2.AuxInt = int64ToAuxInt(64)
 22126  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22127  		v3.AddArg(y)
 22128  		v2.AddArg(v3)
 22129  		v0.AddArg3(y, v1, v2)
 22130  		v.AddArg2(x, v0)
 22131  		return true
 22132  	}
 22133  	return false
 22134  }
 22135  func rewriteValueARM64_OpRsh64x32(v *Value) bool {
 22136  	v_1 := v.Args[1]
 22137  	v_0 := v.Args[0]
 22138  	b := v.Block
 22139  	typ := &b.Func.Config.Types
 22140  	// match: (Rsh64x32 <t> x y)
 22141  	// cond: shiftIsBounded(v)
 22142  	// result: (SRA <t> x y)
 22143  	for {
 22144  		t := v.Type
 22145  		x := v_0
 22146  		y := v_1
 22147  		if !(shiftIsBounded(v)) {
 22148  			break
 22149  		}
 22150  		v.reset(OpARM64SRA)
 22151  		v.Type = t
 22152  		v.AddArg2(x, y)
 22153  		return true
 22154  	}
 22155  	// match: (Rsh64x32 x y)
 22156  	// cond: !shiftIsBounded(v)
 22157  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y))))
 22158  	for {
 22159  		x := v_0
 22160  		y := v_1
 22161  		if !(!shiftIsBounded(v)) {
 22162  			break
 22163  		}
 22164  		v.reset(OpARM64SRA)
 22165  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22166  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 22167  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22168  		v1.AuxInt = int64ToAuxInt(63)
 22169  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22170  		v2.AuxInt = int64ToAuxInt(64)
 22171  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22172  		v3.AddArg(y)
 22173  		v2.AddArg(v3)
 22174  		v0.AddArg3(y, v1, v2)
 22175  		v.AddArg2(x, v0)
 22176  		return true
 22177  	}
 22178  	return false
 22179  }
 22180  func rewriteValueARM64_OpRsh64x64(v *Value) bool {
 22181  	v_1 := v.Args[1]
 22182  	v_0 := v.Args[0]
 22183  	b := v.Block
 22184  	// match: (Rsh64x64 <t> x y)
 22185  	// cond: shiftIsBounded(v)
 22186  	// result: (SRA <t> x y)
 22187  	for {
 22188  		t := v.Type
 22189  		x := v_0
 22190  		y := v_1
 22191  		if !(shiftIsBounded(v)) {
 22192  			break
 22193  		}
 22194  		v.reset(OpARM64SRA)
 22195  		v.Type = t
 22196  		v.AddArg2(x, y)
 22197  		return true
 22198  	}
 22199  	// match: (Rsh64x64 x y)
 22200  	// cond: !shiftIsBounded(v)
 22201  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 22202  	for {
 22203  		x := v_0
 22204  		y := v_1
 22205  		if !(!shiftIsBounded(v)) {
 22206  			break
 22207  		}
 22208  		v.reset(OpARM64SRA)
 22209  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22210  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 22211  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22212  		v1.AuxInt = int64ToAuxInt(63)
 22213  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22214  		v2.AuxInt = int64ToAuxInt(64)
 22215  		v2.AddArg(y)
 22216  		v0.AddArg3(y, v1, v2)
 22217  		v.AddArg2(x, v0)
 22218  		return true
 22219  	}
 22220  	return false
 22221  }
 22222  func rewriteValueARM64_OpRsh64x8(v *Value) bool {
 22223  	v_1 := v.Args[1]
 22224  	v_0 := v.Args[0]
 22225  	b := v.Block
 22226  	typ := &b.Func.Config.Types
 22227  	// match: (Rsh64x8 <t> x y)
 22228  	// cond: shiftIsBounded(v)
 22229  	// result: (SRA <t> x y)
 22230  	for {
 22231  		t := v.Type
 22232  		x := v_0
 22233  		y := v_1
 22234  		if !(shiftIsBounded(v)) {
 22235  			break
 22236  		}
 22237  		v.reset(OpARM64SRA)
 22238  		v.Type = t
 22239  		v.AddArg2(x, y)
 22240  		return true
 22241  	}
 22242  	// match: (Rsh64x8 x y)
 22243  	// cond: !shiftIsBounded(v)
 22244  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y))))
 22245  	for {
 22246  		x := v_0
 22247  		y := v_1
 22248  		if !(!shiftIsBounded(v)) {
 22249  			break
 22250  		}
 22251  		v.reset(OpARM64SRA)
 22252  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22253  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 22254  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22255  		v1.AuxInt = int64ToAuxInt(63)
 22256  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22257  		v2.AuxInt = int64ToAuxInt(64)
 22258  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22259  		v3.AddArg(y)
 22260  		v2.AddArg(v3)
 22261  		v0.AddArg3(y, v1, v2)
 22262  		v.AddArg2(x, v0)
 22263  		return true
 22264  	}
 22265  	return false
 22266  }
 22267  func rewriteValueARM64_OpRsh8Ux16(v *Value) bool {
 22268  	v_1 := v.Args[1]
 22269  	v_0 := v.Args[0]
 22270  	b := v.Block
 22271  	typ := &b.Func.Config.Types
 22272  	// match: (Rsh8Ux16 <t> x y)
 22273  	// cond: shiftIsBounded(v)
 22274  	// result: (SRL <t> (ZeroExt8to64 x) y)
 22275  	for {
 22276  		t := v.Type
 22277  		x := v_0
 22278  		y := v_1
 22279  		if !(shiftIsBounded(v)) {
 22280  			break
 22281  		}
 22282  		v.reset(OpARM64SRL)
 22283  		v.Type = t
 22284  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22285  		v0.AddArg(x)
 22286  		v.AddArg2(v0, y)
 22287  		return true
 22288  	}
 22289  	// match: (Rsh8Ux16 <t> x y)
 22290  	// cond: !shiftIsBounded(v)
 22291  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 22292  	for {
 22293  		t := v.Type
 22294  		x := v_0
 22295  		y := v_1
 22296  		if !(!shiftIsBounded(v)) {
 22297  			break
 22298  		}
 22299  		v.reset(OpARM64CSEL)
 22300  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22301  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22302  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22303  		v1.AddArg(x)
 22304  		v0.AddArg2(v1, y)
 22305  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22306  		v2.AuxInt = int64ToAuxInt(0)
 22307  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22308  		v3.AuxInt = int64ToAuxInt(64)
 22309  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22310  		v4.AddArg(y)
 22311  		v3.AddArg(v4)
 22312  		v.AddArg3(v0, v2, v3)
 22313  		return true
 22314  	}
 22315  	return false
 22316  }
 22317  func rewriteValueARM64_OpRsh8Ux32(v *Value) bool {
 22318  	v_1 := v.Args[1]
 22319  	v_0 := v.Args[0]
 22320  	b := v.Block
 22321  	typ := &b.Func.Config.Types
 22322  	// match: (Rsh8Ux32 <t> x y)
 22323  	// cond: shiftIsBounded(v)
 22324  	// result: (SRL <t> (ZeroExt8to64 x) y)
 22325  	for {
 22326  		t := v.Type
 22327  		x := v_0
 22328  		y := v_1
 22329  		if !(shiftIsBounded(v)) {
 22330  			break
 22331  		}
 22332  		v.reset(OpARM64SRL)
 22333  		v.Type = t
 22334  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22335  		v0.AddArg(x)
 22336  		v.AddArg2(v0, y)
 22337  		return true
 22338  	}
 22339  	// match: (Rsh8Ux32 <t> x y)
 22340  	// cond: !shiftIsBounded(v)
 22341  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 22342  	for {
 22343  		t := v.Type
 22344  		x := v_0
 22345  		y := v_1
 22346  		if !(!shiftIsBounded(v)) {
 22347  			break
 22348  		}
 22349  		v.reset(OpARM64CSEL)
 22350  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22351  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22352  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22353  		v1.AddArg(x)
 22354  		v0.AddArg2(v1, y)
 22355  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22356  		v2.AuxInt = int64ToAuxInt(0)
 22357  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22358  		v3.AuxInt = int64ToAuxInt(64)
 22359  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22360  		v4.AddArg(y)
 22361  		v3.AddArg(v4)
 22362  		v.AddArg3(v0, v2, v3)
 22363  		return true
 22364  	}
 22365  	return false
 22366  }
 22367  func rewriteValueARM64_OpRsh8Ux64(v *Value) bool {
 22368  	v_1 := v.Args[1]
 22369  	v_0 := v.Args[0]
 22370  	b := v.Block
 22371  	typ := &b.Func.Config.Types
 22372  	// match: (Rsh8Ux64 <t> x y)
 22373  	// cond: shiftIsBounded(v)
 22374  	// result: (SRL <t> (ZeroExt8to64 x) y)
 22375  	for {
 22376  		t := v.Type
 22377  		x := v_0
 22378  		y := v_1
 22379  		if !(shiftIsBounded(v)) {
 22380  			break
 22381  		}
 22382  		v.reset(OpARM64SRL)
 22383  		v.Type = t
 22384  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22385  		v0.AddArg(x)
 22386  		v.AddArg2(v0, y)
 22387  		return true
 22388  	}
 22389  	// match: (Rsh8Ux64 <t> x y)
 22390  	// cond: !shiftIsBounded(v)
 22391  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] y))
 22392  	for {
 22393  		t := v.Type
 22394  		x := v_0
 22395  		y := v_1
 22396  		if !(!shiftIsBounded(v)) {
 22397  			break
 22398  		}
 22399  		v.reset(OpARM64CSEL)
 22400  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22401  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22402  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22403  		v1.AddArg(x)
 22404  		v0.AddArg2(v1, y)
 22405  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22406  		v2.AuxInt = int64ToAuxInt(0)
 22407  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22408  		v3.AuxInt = int64ToAuxInt(64)
 22409  		v3.AddArg(y)
 22410  		v.AddArg3(v0, v2, v3)
 22411  		return true
 22412  	}
 22413  	return false
 22414  }
 22415  func rewriteValueARM64_OpRsh8Ux8(v *Value) bool {
 22416  	v_1 := v.Args[1]
 22417  	v_0 := v.Args[0]
 22418  	b := v.Block
 22419  	typ := &b.Func.Config.Types
 22420  	// match: (Rsh8Ux8 <t> x y)
 22421  	// cond: shiftIsBounded(v)
 22422  	// result: (SRL <t> (ZeroExt8to64 x) y)
 22423  	for {
 22424  		t := v.Type
 22425  		x := v_0
 22426  		y := v_1
 22427  		if !(shiftIsBounded(v)) {
 22428  			break
 22429  		}
 22430  		v.reset(OpARM64SRL)
 22431  		v.Type = t
 22432  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22433  		v0.AddArg(x)
 22434  		v.AddArg2(v0, y)
 22435  		return true
 22436  	}
 22437  	// match: (Rsh8Ux8 <t> x y)
 22438  	// cond: !shiftIsBounded(v)
 22439  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 22440  	for {
 22441  		t := v.Type
 22442  		x := v_0
 22443  		y := v_1
 22444  		if !(!shiftIsBounded(v)) {
 22445  			break
 22446  		}
 22447  		v.reset(OpARM64CSEL)
 22448  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22449  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22450  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22451  		v1.AddArg(x)
 22452  		v0.AddArg2(v1, y)
 22453  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22454  		v2.AuxInt = int64ToAuxInt(0)
 22455  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22456  		v3.AuxInt = int64ToAuxInt(64)
 22457  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22458  		v4.AddArg(y)
 22459  		v3.AddArg(v4)
 22460  		v.AddArg3(v0, v2, v3)
 22461  		return true
 22462  	}
 22463  	return false
 22464  }
 22465  func rewriteValueARM64_OpRsh8x16(v *Value) bool {
 22466  	v_1 := v.Args[1]
 22467  	v_0 := v.Args[0]
 22468  	b := v.Block
 22469  	typ := &b.Func.Config.Types
 22470  	// match: (Rsh8x16 <t> x y)
 22471  	// cond: shiftIsBounded(v)
 22472  	// result: (SRA <t> (SignExt8to64 x) y)
 22473  	for {
 22474  		t := v.Type
 22475  		x := v_0
 22476  		y := v_1
 22477  		if !(shiftIsBounded(v)) {
 22478  			break
 22479  		}
 22480  		v.reset(OpARM64SRA)
 22481  		v.Type = t
 22482  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22483  		v0.AddArg(x)
 22484  		v.AddArg2(v0, y)
 22485  		return true
 22486  	}
 22487  	// match: (Rsh8x16 x y)
 22488  	// cond: !shiftIsBounded(v)
 22489  	// result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y))))
 22490  	for {
 22491  		x := v_0
 22492  		y := v_1
 22493  		if !(!shiftIsBounded(v)) {
 22494  			break
 22495  		}
 22496  		v.reset(OpARM64SRA)
 22497  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22498  		v0.AddArg(x)
 22499  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22500  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22501  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22502  		v2.AuxInt = int64ToAuxInt(63)
 22503  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22504  		v3.AuxInt = int64ToAuxInt(64)
 22505  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22506  		v4.AddArg(y)
 22507  		v3.AddArg(v4)
 22508  		v1.AddArg3(y, v2, v3)
 22509  		v.AddArg2(v0, v1)
 22510  		return true
 22511  	}
 22512  	return false
 22513  }
 22514  func rewriteValueARM64_OpRsh8x32(v *Value) bool {
 22515  	v_1 := v.Args[1]
 22516  	v_0 := v.Args[0]
 22517  	b := v.Block
 22518  	typ := &b.Func.Config.Types
 22519  	// match: (Rsh8x32 <t> x y)
 22520  	// cond: shiftIsBounded(v)
 22521  	// result: (SRA <t> (SignExt8to64 x) y)
 22522  	for {
 22523  		t := v.Type
 22524  		x := v_0
 22525  		y := v_1
 22526  		if !(shiftIsBounded(v)) {
 22527  			break
 22528  		}
 22529  		v.reset(OpARM64SRA)
 22530  		v.Type = t
 22531  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22532  		v0.AddArg(x)
 22533  		v.AddArg2(v0, y)
 22534  		return true
 22535  	}
 22536  	// match: (Rsh8x32 x y)
 22537  	// cond: !shiftIsBounded(v)
 22538  	// result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y))))
 22539  	for {
 22540  		x := v_0
 22541  		y := v_1
 22542  		if !(!shiftIsBounded(v)) {
 22543  			break
 22544  		}
 22545  		v.reset(OpARM64SRA)
 22546  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22547  		v0.AddArg(x)
 22548  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22549  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22550  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22551  		v2.AuxInt = int64ToAuxInt(63)
 22552  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22553  		v3.AuxInt = int64ToAuxInt(64)
 22554  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22555  		v4.AddArg(y)
 22556  		v3.AddArg(v4)
 22557  		v1.AddArg3(y, v2, v3)
 22558  		v.AddArg2(v0, v1)
 22559  		return true
 22560  	}
 22561  	return false
 22562  }
 22563  func rewriteValueARM64_OpRsh8x64(v *Value) bool {
 22564  	v_1 := v.Args[1]
 22565  	v_0 := v.Args[0]
 22566  	b := v.Block
 22567  	typ := &b.Func.Config.Types
 22568  	// match: (Rsh8x64 <t> x y)
 22569  	// cond: shiftIsBounded(v)
 22570  	// result: (SRA <t> (SignExt8to64 x) y)
 22571  	for {
 22572  		t := v.Type
 22573  		x := v_0
 22574  		y := v_1
 22575  		if !(shiftIsBounded(v)) {
 22576  			break
 22577  		}
 22578  		v.reset(OpARM64SRA)
 22579  		v.Type = t
 22580  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22581  		v0.AddArg(x)
 22582  		v.AddArg2(v0, y)
 22583  		return true
 22584  	}
 22585  	// match: (Rsh8x64 x y)
 22586  	// cond: !shiftIsBounded(v)
 22587  	// result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 22588  	for {
 22589  		x := v_0
 22590  		y := v_1
 22591  		if !(!shiftIsBounded(v)) {
 22592  			break
 22593  		}
 22594  		v.reset(OpARM64SRA)
 22595  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22596  		v0.AddArg(x)
 22597  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22598  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22599  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22600  		v2.AuxInt = int64ToAuxInt(63)
 22601  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22602  		v3.AuxInt = int64ToAuxInt(64)
 22603  		v3.AddArg(y)
 22604  		v1.AddArg3(y, v2, v3)
 22605  		v.AddArg2(v0, v1)
 22606  		return true
 22607  	}
 22608  	return false
 22609  }
 22610  func rewriteValueARM64_OpRsh8x8(v *Value) bool {
 22611  	v_1 := v.Args[1]
 22612  	v_0 := v.Args[0]
 22613  	b := v.Block
 22614  	typ := &b.Func.Config.Types
 22615  	// match: (Rsh8x8 <t> x y)
 22616  	// cond: shiftIsBounded(v)
 22617  	// result: (SRA <t> (SignExt8to64 x) y)
 22618  	for {
 22619  		t := v.Type
 22620  		x := v_0
 22621  		y := v_1
 22622  		if !(shiftIsBounded(v)) {
 22623  			break
 22624  		}
 22625  		v.reset(OpARM64SRA)
 22626  		v.Type = t
 22627  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22628  		v0.AddArg(x)
 22629  		v.AddArg2(v0, y)
 22630  		return true
 22631  	}
 22632  	// match: (Rsh8x8 x y)
 22633  	// cond: !shiftIsBounded(v)
 22634  	// result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y))))
 22635  	for {
 22636  		x := v_0
 22637  		y := v_1
 22638  		if !(!shiftIsBounded(v)) {
 22639  			break
 22640  		}
 22641  		v.reset(OpARM64SRA)
 22642  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22643  		v0.AddArg(x)
 22644  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22645  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22646  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22647  		v2.AuxInt = int64ToAuxInt(63)
 22648  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22649  		v3.AuxInt = int64ToAuxInt(64)
 22650  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22651  		v4.AddArg(y)
 22652  		v3.AddArg(v4)
 22653  		v1.AddArg3(y, v2, v3)
 22654  		v.AddArg2(v0, v1)
 22655  		return true
 22656  	}
 22657  	return false
 22658  }
 22659  func rewriteValueARM64_OpSelect0(v *Value) bool {
 22660  	v_0 := v.Args[0]
 22661  	b := v.Block
 22662  	typ := &b.Func.Config.Types
 22663  	// match: (Select0 (Mul64uhilo x y))
 22664  	// result: (UMULH x y)
 22665  	for {
 22666  		if v_0.Op != OpMul64uhilo {
 22667  			break
 22668  		}
 22669  		y := v_0.Args[1]
 22670  		x := v_0.Args[0]
 22671  		v.reset(OpARM64UMULH)
 22672  		v.AddArg2(x, y)
 22673  		return true
 22674  	}
 22675  	// match: (Select0 (Add64carry x y c))
 22676  	// result: (Select0 <typ.UInt64> (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] c))))
 22677  	for {
 22678  		if v_0.Op != OpAdd64carry {
 22679  			break
 22680  		}
 22681  		c := v_0.Args[2]
 22682  		x := v_0.Args[0]
 22683  		y := v_0.Args[1]
 22684  		v.reset(OpSelect0)
 22685  		v.Type = typ.UInt64
 22686  		v0 := b.NewValue0(v.Pos, OpARM64ADCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22687  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 22688  		v2 := b.NewValue0(v.Pos, OpARM64ADDSconstflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22689  		v2.AuxInt = int64ToAuxInt(-1)
 22690  		v2.AddArg(c)
 22691  		v1.AddArg(v2)
 22692  		v0.AddArg3(x, y, v1)
 22693  		v.AddArg(v0)
 22694  		return true
 22695  	}
 22696  	// match: (Select0 (Sub64borrow x y bo))
 22697  	// result: (Select0 <typ.UInt64> (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags bo))))
 22698  	for {
 22699  		if v_0.Op != OpSub64borrow {
 22700  			break
 22701  		}
 22702  		bo := v_0.Args[2]
 22703  		x := v_0.Args[0]
 22704  		y := v_0.Args[1]
 22705  		v.reset(OpSelect0)
 22706  		v.Type = typ.UInt64
 22707  		v0 := b.NewValue0(v.Pos, OpARM64SBCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22708  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 22709  		v2 := b.NewValue0(v.Pos, OpARM64NEGSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22710  		v2.AddArg(bo)
 22711  		v1.AddArg(v2)
 22712  		v0.AddArg3(x, y, v1)
 22713  		v.AddArg(v0)
 22714  		return true
 22715  	}
 22716  	// match: (Select0 (Mul64uover x y))
 22717  	// result: (MUL x y)
 22718  	for {
 22719  		if v_0.Op != OpMul64uover {
 22720  			break
 22721  		}
 22722  		y := v_0.Args[1]
 22723  		x := v_0.Args[0]
 22724  		v.reset(OpARM64MUL)
 22725  		v.AddArg2(x, y)
 22726  		return true
 22727  	}
 22728  	return false
 22729  }
 22730  func rewriteValueARM64_OpSelect1(v *Value) bool {
 22731  	v_0 := v.Args[0]
 22732  	b := v.Block
 22733  	typ := &b.Func.Config.Types
 22734  	// match: (Select1 (Mul64uhilo x y))
 22735  	// result: (MUL x y)
 22736  	for {
 22737  		if v_0.Op != OpMul64uhilo {
 22738  			break
 22739  		}
 22740  		y := v_0.Args[1]
 22741  		x := v_0.Args[0]
 22742  		v.reset(OpARM64MUL)
 22743  		v.AddArg2(x, y)
 22744  		return true
 22745  	}
 22746  	// match: (Select1 (Add64carry x y c))
 22747  	// result: (ADCzerocarry <typ.UInt64> (Select1 <types.TypeFlags> (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] c)))))
 22748  	for {
 22749  		if v_0.Op != OpAdd64carry {
 22750  			break
 22751  		}
 22752  		c := v_0.Args[2]
 22753  		x := v_0.Args[0]
 22754  		y := v_0.Args[1]
 22755  		v.reset(OpARM64ADCzerocarry)
 22756  		v.Type = typ.UInt64
 22757  		v0 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 22758  		v1 := b.NewValue0(v.Pos, OpARM64ADCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22759  		v2 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 22760  		v3 := b.NewValue0(v.Pos, OpARM64ADDSconstflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22761  		v3.AuxInt = int64ToAuxInt(-1)
 22762  		v3.AddArg(c)
 22763  		v2.AddArg(v3)
 22764  		v1.AddArg3(x, y, v2)
 22765  		v0.AddArg(v1)
 22766  		v.AddArg(v0)
 22767  		return true
 22768  	}
 22769  	// match: (Select1 (Sub64borrow x y bo))
 22770  	// result: (NEG <typ.UInt64> (NGCzerocarry <typ.UInt64> (Select1 <types.TypeFlags> (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags bo))))))
 22771  	for {
 22772  		if v_0.Op != OpSub64borrow {
 22773  			break
 22774  		}
 22775  		bo := v_0.Args[2]
 22776  		x := v_0.Args[0]
 22777  		y := v_0.Args[1]
 22778  		v.reset(OpARM64NEG)
 22779  		v.Type = typ.UInt64
 22780  		v0 := b.NewValue0(v.Pos, OpARM64NGCzerocarry, typ.UInt64)
 22781  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 22782  		v2 := b.NewValue0(v.Pos, OpARM64SBCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22783  		v3 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 22784  		v4 := b.NewValue0(v.Pos, OpARM64NEGSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22785  		v4.AddArg(bo)
 22786  		v3.AddArg(v4)
 22787  		v2.AddArg3(x, y, v3)
 22788  		v1.AddArg(v2)
 22789  		v0.AddArg(v1)
 22790  		v.AddArg(v0)
 22791  		return true
 22792  	}
 22793  	// match: (Select1 (Mul64uover x y))
 22794  	// result: (NotEqual (CMPconst (UMULH <typ.UInt64> x y) [0]))
 22795  	for {
 22796  		if v_0.Op != OpMul64uover {
 22797  			break
 22798  		}
 22799  		y := v_0.Args[1]
 22800  		x := v_0.Args[0]
 22801  		v.reset(OpARM64NotEqual)
 22802  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22803  		v0.AuxInt = int64ToAuxInt(0)
 22804  		v1 := b.NewValue0(v.Pos, OpARM64UMULH, typ.UInt64)
 22805  		v1.AddArg2(x, y)
 22806  		v0.AddArg(v1)
 22807  		v.AddArg(v0)
 22808  		return true
 22809  	}
 22810  	return false
 22811  }
 22812  func rewriteValueARM64_OpSelectN(v *Value) bool {
 22813  	v_0 := v.Args[0]
 22814  	b := v.Block
 22815  	config := b.Func.Config
 22816  	// match: (SelectN [0] call:(CALLstatic {sym} s1:(MOVDstore _ (MOVDconst [sz]) s2:(MOVDstore _ src s3:(MOVDstore {t} _ dst mem)))))
 22817  	// cond: sz >= 0 && isSameCall(sym, "runtime.memmove") && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(s1, s2, s3, call)
 22818  	// result: (Move [sz] dst src mem)
 22819  	for {
 22820  		if auxIntToInt64(v.AuxInt) != 0 {
 22821  			break
 22822  		}
 22823  		call := v_0
 22824  		if call.Op != OpARM64CALLstatic || len(call.Args) != 1 {
 22825  			break
 22826  		}
 22827  		sym := auxToCall(call.Aux)
 22828  		s1 := call.Args[0]
 22829  		if s1.Op != OpARM64MOVDstore {
 22830  			break
 22831  		}
 22832  		_ = s1.Args[2]
 22833  		s1_1 := s1.Args[1]
 22834  		if s1_1.Op != OpARM64MOVDconst {
 22835  			break
 22836  		}
 22837  		sz := auxIntToInt64(s1_1.AuxInt)
 22838  		s2 := s1.Args[2]
 22839  		if s2.Op != OpARM64MOVDstore {
 22840  			break
 22841  		}
 22842  		_ = s2.Args[2]
 22843  		src := s2.Args[1]
 22844  		s3 := s2.Args[2]
 22845  		if s3.Op != OpARM64MOVDstore {
 22846  			break
 22847  		}
 22848  		mem := s3.Args[2]
 22849  		dst := s3.Args[1]
 22850  		if !(sz >= 0 && isSameCall(sym, "runtime.memmove") && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(s1, s2, s3, call)) {
 22851  			break
 22852  		}
 22853  		v.reset(OpMove)
 22854  		v.AuxInt = int64ToAuxInt(sz)
 22855  		v.AddArg3(dst, src, mem)
 22856  		return true
 22857  	}
 22858  	// match: (SelectN [0] call:(CALLstatic {sym} dst src (MOVDconst [sz]) mem))
 22859  	// cond: sz >= 0 && isSameCall(sym, "runtime.memmove") && call.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(call)
 22860  	// result: (Move [sz] dst src mem)
 22861  	for {
 22862  		if auxIntToInt64(v.AuxInt) != 0 {
 22863  			break
 22864  		}
 22865  		call := v_0
 22866  		if call.Op != OpARM64CALLstatic || len(call.Args) != 4 {
 22867  			break
 22868  		}
 22869  		sym := auxToCall(call.Aux)
 22870  		mem := call.Args[3]
 22871  		dst := call.Args[0]
 22872  		src := call.Args[1]
 22873  		call_2 := call.Args[2]
 22874  		if call_2.Op != OpARM64MOVDconst {
 22875  			break
 22876  		}
 22877  		sz := auxIntToInt64(call_2.AuxInt)
 22878  		if !(sz >= 0 && isSameCall(sym, "runtime.memmove") && call.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(call)) {
 22879  			break
 22880  		}
 22881  		v.reset(OpMove)
 22882  		v.AuxInt = int64ToAuxInt(sz)
 22883  		v.AddArg3(dst, src, mem)
 22884  		return true
 22885  	}
 22886  	return false
 22887  }
 22888  func rewriteValueARM64_OpSlicemask(v *Value) bool {
 22889  	v_0 := v.Args[0]
 22890  	b := v.Block
 22891  	// match: (Slicemask <t> x)
 22892  	// result: (SRAconst (NEG <t> x) [63])
 22893  	for {
 22894  		t := v.Type
 22895  		x := v_0
 22896  		v.reset(OpARM64SRAconst)
 22897  		v.AuxInt = int64ToAuxInt(63)
 22898  		v0 := b.NewValue0(v.Pos, OpARM64NEG, t)
 22899  		v0.AddArg(x)
 22900  		v.AddArg(v0)
 22901  		return true
 22902  	}
 22903  }
 22904  func rewriteValueARM64_OpStore(v *Value) bool {
 22905  	v_2 := v.Args[2]
 22906  	v_1 := v.Args[1]
 22907  	v_0 := v.Args[0]
 22908  	// match: (Store {t} ptr val mem)
 22909  	// cond: t.Size() == 1
 22910  	// result: (MOVBstore ptr val mem)
 22911  	for {
 22912  		t := auxToType(v.Aux)
 22913  		ptr := v_0
 22914  		val := v_1
 22915  		mem := v_2
 22916  		if !(t.Size() == 1) {
 22917  			break
 22918  		}
 22919  		v.reset(OpARM64MOVBstore)
 22920  		v.AddArg3(ptr, val, mem)
 22921  		return true
 22922  	}
 22923  	// match: (Store {t} ptr val mem)
 22924  	// cond: t.Size() == 2
 22925  	// result: (MOVHstore ptr val mem)
 22926  	for {
 22927  		t := auxToType(v.Aux)
 22928  		ptr := v_0
 22929  		val := v_1
 22930  		mem := v_2
 22931  		if !(t.Size() == 2) {
 22932  			break
 22933  		}
 22934  		v.reset(OpARM64MOVHstore)
 22935  		v.AddArg3(ptr, val, mem)
 22936  		return true
 22937  	}
 22938  	// match: (Store {t} ptr val mem)
 22939  	// cond: t.Size() == 4 && !t.IsFloat()
 22940  	// result: (MOVWstore ptr val mem)
 22941  	for {
 22942  		t := auxToType(v.Aux)
 22943  		ptr := v_0
 22944  		val := v_1
 22945  		mem := v_2
 22946  		if !(t.Size() == 4 && !t.IsFloat()) {
 22947  			break
 22948  		}
 22949  		v.reset(OpARM64MOVWstore)
 22950  		v.AddArg3(ptr, val, mem)
 22951  		return true
 22952  	}
 22953  	// match: (Store {t} ptr val mem)
 22954  	// cond: t.Size() == 8 && !t.IsFloat()
 22955  	// result: (MOVDstore ptr val mem)
 22956  	for {
 22957  		t := auxToType(v.Aux)
 22958  		ptr := v_0
 22959  		val := v_1
 22960  		mem := v_2
 22961  		if !(t.Size() == 8 && !t.IsFloat()) {
 22962  			break
 22963  		}
 22964  		v.reset(OpARM64MOVDstore)
 22965  		v.AddArg3(ptr, val, mem)
 22966  		return true
 22967  	}
 22968  	// match: (Store {t} ptr val mem)
 22969  	// cond: t.Size() == 4 && t.IsFloat()
 22970  	// result: (FMOVSstore ptr val mem)
 22971  	for {
 22972  		t := auxToType(v.Aux)
 22973  		ptr := v_0
 22974  		val := v_1
 22975  		mem := v_2
 22976  		if !(t.Size() == 4 && t.IsFloat()) {
 22977  			break
 22978  		}
 22979  		v.reset(OpARM64FMOVSstore)
 22980  		v.AddArg3(ptr, val, mem)
 22981  		return true
 22982  	}
 22983  	// match: (Store {t} ptr val mem)
 22984  	// cond: t.Size() == 8 && t.IsFloat()
 22985  	// result: (FMOVDstore ptr val mem)
 22986  	for {
 22987  		t := auxToType(v.Aux)
 22988  		ptr := v_0
 22989  		val := v_1
 22990  		mem := v_2
 22991  		if !(t.Size() == 8 && t.IsFloat()) {
 22992  			break
 22993  		}
 22994  		v.reset(OpARM64FMOVDstore)
 22995  		v.AddArg3(ptr, val, mem)
 22996  		return true
 22997  	}
 22998  	return false
 22999  }
 23000  func rewriteValueARM64_OpZero(v *Value) bool {
 23001  	v_1 := v.Args[1]
 23002  	v_0 := v.Args[0]
 23003  	b := v.Block
 23004  	config := b.Func.Config
 23005  	typ := &b.Func.Config.Types
 23006  	// match: (Zero [0] _ mem)
 23007  	// result: mem
 23008  	for {
 23009  		if auxIntToInt64(v.AuxInt) != 0 {
 23010  			break
 23011  		}
 23012  		mem := v_1
 23013  		v.copyOf(mem)
 23014  		return true
 23015  	}
 23016  	// match: (Zero [1] ptr mem)
 23017  	// result: (MOVBstore ptr (MOVDconst [0]) mem)
 23018  	for {
 23019  		if auxIntToInt64(v.AuxInt) != 1 {
 23020  			break
 23021  		}
 23022  		ptr := v_0
 23023  		mem := v_1
 23024  		v.reset(OpARM64MOVBstore)
 23025  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23026  		v0.AuxInt = int64ToAuxInt(0)
 23027  		v.AddArg3(ptr, v0, mem)
 23028  		return true
 23029  	}
 23030  	// match: (Zero [2] ptr mem)
 23031  	// result: (MOVHstore ptr (MOVDconst [0]) mem)
 23032  	for {
 23033  		if auxIntToInt64(v.AuxInt) != 2 {
 23034  			break
 23035  		}
 23036  		ptr := v_0
 23037  		mem := v_1
 23038  		v.reset(OpARM64MOVHstore)
 23039  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23040  		v0.AuxInt = int64ToAuxInt(0)
 23041  		v.AddArg3(ptr, v0, mem)
 23042  		return true
 23043  	}
 23044  	// match: (Zero [4] ptr mem)
 23045  	// result: (MOVWstore ptr (MOVDconst [0]) mem)
 23046  	for {
 23047  		if auxIntToInt64(v.AuxInt) != 4 {
 23048  			break
 23049  		}
 23050  		ptr := v_0
 23051  		mem := v_1
 23052  		v.reset(OpARM64MOVWstore)
 23053  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23054  		v0.AuxInt = int64ToAuxInt(0)
 23055  		v.AddArg3(ptr, v0, mem)
 23056  		return true
 23057  	}
 23058  	// match: (Zero [3] ptr mem)
 23059  	// result: (MOVBstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem))
 23060  	for {
 23061  		if auxIntToInt64(v.AuxInt) != 3 {
 23062  			break
 23063  		}
 23064  		ptr := v_0
 23065  		mem := v_1
 23066  		v.reset(OpARM64MOVBstore)
 23067  		v.AuxInt = int32ToAuxInt(2)
 23068  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23069  		v0.AuxInt = int64ToAuxInt(0)
 23070  		v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem)
 23071  		v1.AddArg3(ptr, v0, mem)
 23072  		v.AddArg3(ptr, v0, v1)
 23073  		return true
 23074  	}
 23075  	// match: (Zero [5] ptr mem)
 23076  	// result: (MOVBstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 23077  	for {
 23078  		if auxIntToInt64(v.AuxInt) != 5 {
 23079  			break
 23080  		}
 23081  		ptr := v_0
 23082  		mem := v_1
 23083  		v.reset(OpARM64MOVBstore)
 23084  		v.AuxInt = int32ToAuxInt(4)
 23085  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23086  		v0.AuxInt = int64ToAuxInt(0)
 23087  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 23088  		v1.AddArg3(ptr, v0, mem)
 23089  		v.AddArg3(ptr, v0, v1)
 23090  		return true
 23091  	}
 23092  	// match: (Zero [6] ptr mem)
 23093  	// result: (MOVHstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 23094  	for {
 23095  		if auxIntToInt64(v.AuxInt) != 6 {
 23096  			break
 23097  		}
 23098  		ptr := v_0
 23099  		mem := v_1
 23100  		v.reset(OpARM64MOVHstore)
 23101  		v.AuxInt = int32ToAuxInt(4)
 23102  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23103  		v0.AuxInt = int64ToAuxInt(0)
 23104  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 23105  		v1.AddArg3(ptr, v0, mem)
 23106  		v.AddArg3(ptr, v0, v1)
 23107  		return true
 23108  	}
 23109  	// match: (Zero [7] ptr mem)
 23110  	// result: (MOVWstore [3] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 23111  	for {
 23112  		if auxIntToInt64(v.AuxInt) != 7 {
 23113  			break
 23114  		}
 23115  		ptr := v_0
 23116  		mem := v_1
 23117  		v.reset(OpARM64MOVWstore)
 23118  		v.AuxInt = int32ToAuxInt(3)
 23119  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23120  		v0.AuxInt = int64ToAuxInt(0)
 23121  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 23122  		v1.AddArg3(ptr, v0, mem)
 23123  		v.AddArg3(ptr, v0, v1)
 23124  		return true
 23125  	}
 23126  	// match: (Zero [8] ptr mem)
 23127  	// result: (MOVDstore ptr (MOVDconst [0]) mem)
 23128  	for {
 23129  		if auxIntToInt64(v.AuxInt) != 8 {
 23130  			break
 23131  		}
 23132  		ptr := v_0
 23133  		mem := v_1
 23134  		v.reset(OpARM64MOVDstore)
 23135  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23136  		v0.AuxInt = int64ToAuxInt(0)
 23137  		v.AddArg3(ptr, v0, mem)
 23138  		return true
 23139  	}
 23140  	// match: (Zero [9] ptr mem)
 23141  	// result: (MOVBstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23142  	for {
 23143  		if auxIntToInt64(v.AuxInt) != 9 {
 23144  			break
 23145  		}
 23146  		ptr := v_0
 23147  		mem := v_1
 23148  		v.reset(OpARM64MOVBstore)
 23149  		v.AuxInt = int32ToAuxInt(8)
 23150  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23151  		v0.AuxInt = int64ToAuxInt(0)
 23152  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23153  		v1.AddArg3(ptr, v0, mem)
 23154  		v.AddArg3(ptr, v0, v1)
 23155  		return true
 23156  	}
 23157  	// match: (Zero [10] ptr mem)
 23158  	// result: (MOVHstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23159  	for {
 23160  		if auxIntToInt64(v.AuxInt) != 10 {
 23161  			break
 23162  		}
 23163  		ptr := v_0
 23164  		mem := v_1
 23165  		v.reset(OpARM64MOVHstore)
 23166  		v.AuxInt = int32ToAuxInt(8)
 23167  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23168  		v0.AuxInt = int64ToAuxInt(0)
 23169  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23170  		v1.AddArg3(ptr, v0, mem)
 23171  		v.AddArg3(ptr, v0, v1)
 23172  		return true
 23173  	}
 23174  	// match: (Zero [11] ptr mem)
 23175  	// result: (MOVDstore [3] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23176  	for {
 23177  		if auxIntToInt64(v.AuxInt) != 11 {
 23178  			break
 23179  		}
 23180  		ptr := v_0
 23181  		mem := v_1
 23182  		v.reset(OpARM64MOVDstore)
 23183  		v.AuxInt = int32ToAuxInt(3)
 23184  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23185  		v0.AuxInt = int64ToAuxInt(0)
 23186  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23187  		v1.AddArg3(ptr, v0, mem)
 23188  		v.AddArg3(ptr, v0, v1)
 23189  		return true
 23190  	}
 23191  	// match: (Zero [12] ptr mem)
 23192  	// result: (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23193  	for {
 23194  		if auxIntToInt64(v.AuxInt) != 12 {
 23195  			break
 23196  		}
 23197  		ptr := v_0
 23198  		mem := v_1
 23199  		v.reset(OpARM64MOVWstore)
 23200  		v.AuxInt = int32ToAuxInt(8)
 23201  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23202  		v0.AuxInt = int64ToAuxInt(0)
 23203  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23204  		v1.AddArg3(ptr, v0, mem)
 23205  		v.AddArg3(ptr, v0, v1)
 23206  		return true
 23207  	}
 23208  	// match: (Zero [13] ptr mem)
 23209  	// result: (MOVDstore [5] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23210  	for {
 23211  		if auxIntToInt64(v.AuxInt) != 13 {
 23212  			break
 23213  		}
 23214  		ptr := v_0
 23215  		mem := v_1
 23216  		v.reset(OpARM64MOVDstore)
 23217  		v.AuxInt = int32ToAuxInt(5)
 23218  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23219  		v0.AuxInt = int64ToAuxInt(0)
 23220  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23221  		v1.AddArg3(ptr, v0, mem)
 23222  		v.AddArg3(ptr, v0, v1)
 23223  		return true
 23224  	}
 23225  	// match: (Zero [14] ptr mem)
 23226  	// result: (MOVDstore [6] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23227  	for {
 23228  		if auxIntToInt64(v.AuxInt) != 14 {
 23229  			break
 23230  		}
 23231  		ptr := v_0
 23232  		mem := v_1
 23233  		v.reset(OpARM64MOVDstore)
 23234  		v.AuxInt = int32ToAuxInt(6)
 23235  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23236  		v0.AuxInt = int64ToAuxInt(0)
 23237  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23238  		v1.AddArg3(ptr, v0, mem)
 23239  		v.AddArg3(ptr, v0, v1)
 23240  		return true
 23241  	}
 23242  	// match: (Zero [15] ptr mem)
 23243  	// result: (MOVDstore [7] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23244  	for {
 23245  		if auxIntToInt64(v.AuxInt) != 15 {
 23246  			break
 23247  		}
 23248  		ptr := v_0
 23249  		mem := v_1
 23250  		v.reset(OpARM64MOVDstore)
 23251  		v.AuxInt = int32ToAuxInt(7)
 23252  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23253  		v0.AuxInt = int64ToAuxInt(0)
 23254  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23255  		v1.AddArg3(ptr, v0, mem)
 23256  		v.AddArg3(ptr, v0, v1)
 23257  		return true
 23258  	}
 23259  	// match: (Zero [16] ptr mem)
 23260  	// result: (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem)
 23261  	for {
 23262  		if auxIntToInt64(v.AuxInt) != 16 {
 23263  			break
 23264  		}
 23265  		ptr := v_0
 23266  		mem := v_1
 23267  		v.reset(OpARM64STP)
 23268  		v.AuxInt = int32ToAuxInt(0)
 23269  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23270  		v0.AuxInt = int64ToAuxInt(0)
 23271  		v.AddArg4(ptr, v0, v0, mem)
 23272  		return true
 23273  	}
 23274  	// match: (Zero [32] ptr mem)
 23275  	// result: (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem))
 23276  	for {
 23277  		if auxIntToInt64(v.AuxInt) != 32 {
 23278  			break
 23279  		}
 23280  		ptr := v_0
 23281  		mem := v_1
 23282  		v.reset(OpARM64STP)
 23283  		v.AuxInt = int32ToAuxInt(16)
 23284  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23285  		v0.AuxInt = int64ToAuxInt(0)
 23286  		v1 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 23287  		v1.AuxInt = int32ToAuxInt(0)
 23288  		v1.AddArg4(ptr, v0, v0, mem)
 23289  		v.AddArg4(ptr, v0, v0, v1)
 23290  		return true
 23291  	}
 23292  	// match: (Zero [48] ptr mem)
 23293  	// result: (STP [32] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem)))
 23294  	for {
 23295  		if auxIntToInt64(v.AuxInt) != 48 {
 23296  			break
 23297  		}
 23298  		ptr := v_0
 23299  		mem := v_1
 23300  		v.reset(OpARM64STP)
 23301  		v.AuxInt = int32ToAuxInt(32)
 23302  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23303  		v0.AuxInt = int64ToAuxInt(0)
 23304  		v1 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 23305  		v1.AuxInt = int32ToAuxInt(16)
 23306  		v2 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 23307  		v2.AuxInt = int32ToAuxInt(0)
 23308  		v2.AddArg4(ptr, v0, v0, mem)
 23309  		v1.AddArg4(ptr, v0, v0, v2)
 23310  		v.AddArg4(ptr, v0, v0, v1)
 23311  		return true
 23312  	}
 23313  	// match: (Zero [64] ptr mem)
 23314  	// result: (STP [48] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [32] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem))))
 23315  	for {
 23316  		if auxIntToInt64(v.AuxInt) != 64 {
 23317  			break
 23318  		}
 23319  		ptr := v_0
 23320  		mem := v_1
 23321  		v.reset(OpARM64STP)
 23322  		v.AuxInt = int32ToAuxInt(48)
 23323  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23324  		v0.AuxInt = int64ToAuxInt(0)
 23325  		v1 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 23326  		v1.AuxInt = int32ToAuxInt(32)
 23327  		v2 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 23328  		v2.AuxInt = int32ToAuxInt(16)
 23329  		v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 23330  		v3.AuxInt = int32ToAuxInt(0)
 23331  		v3.AddArg4(ptr, v0, v0, mem)
 23332  		v2.AddArg4(ptr, v0, v0, v3)
 23333  		v1.AddArg4(ptr, v0, v0, v2)
 23334  		v.AddArg4(ptr, v0, v0, v1)
 23335  		return true
 23336  	}
 23337  	// match: (Zero [s] ptr mem)
 23338  	// cond: s%16 != 0 && s%16 <= 8 && s > 16
 23339  	// result: (Zero [8] (OffPtr <ptr.Type> ptr [s-8]) (Zero [s-s%16] ptr mem))
 23340  	for {
 23341  		s := auxIntToInt64(v.AuxInt)
 23342  		ptr := v_0
 23343  		mem := v_1
 23344  		if !(s%16 != 0 && s%16 <= 8 && s > 16) {
 23345  			break
 23346  		}
 23347  		v.reset(OpZero)
 23348  		v.AuxInt = int64ToAuxInt(8)
 23349  		v0 := b.NewValue0(v.Pos, OpOffPtr, ptr.Type)
 23350  		v0.AuxInt = int64ToAuxInt(s - 8)
 23351  		v0.AddArg(ptr)
 23352  		v1 := b.NewValue0(v.Pos, OpZero, types.TypeMem)
 23353  		v1.AuxInt = int64ToAuxInt(s - s%16)
 23354  		v1.AddArg2(ptr, mem)
 23355  		v.AddArg2(v0, v1)
 23356  		return true
 23357  	}
 23358  	// match: (Zero [s] ptr mem)
 23359  	// cond: s%16 != 0 && s%16 > 8 && s > 16
 23360  	// result: (Zero [16] (OffPtr <ptr.Type> ptr [s-16]) (Zero [s-s%16] ptr mem))
 23361  	for {
 23362  		s := auxIntToInt64(v.AuxInt)
 23363  		ptr := v_0
 23364  		mem := v_1
 23365  		if !(s%16 != 0 && s%16 > 8 && s > 16) {
 23366  			break
 23367  		}
 23368  		v.reset(OpZero)
 23369  		v.AuxInt = int64ToAuxInt(16)
 23370  		v0 := b.NewValue0(v.Pos, OpOffPtr, ptr.Type)
 23371  		v0.AuxInt = int64ToAuxInt(s - 16)
 23372  		v0.AddArg(ptr)
 23373  		v1 := b.NewValue0(v.Pos, OpZero, types.TypeMem)
 23374  		v1.AuxInt = int64ToAuxInt(s - s%16)
 23375  		v1.AddArg2(ptr, mem)
 23376  		v.AddArg2(v0, v1)
 23377  		return true
 23378  	}
 23379  	// match: (Zero [s] ptr mem)
 23380  	// cond: s%16 == 0 && s > 64 && s <= 16*64 && !config.noDuffDevice
 23381  	// result: (DUFFZERO [4 * (64 - s/16)] ptr mem)
 23382  	for {
 23383  		s := auxIntToInt64(v.AuxInt)
 23384  		ptr := v_0
 23385  		mem := v_1
 23386  		if !(s%16 == 0 && s > 64 && s <= 16*64 && !config.noDuffDevice) {
 23387  			break
 23388  		}
 23389  		v.reset(OpARM64DUFFZERO)
 23390  		v.AuxInt = int64ToAuxInt(4 * (64 - s/16))
 23391  		v.AddArg2(ptr, mem)
 23392  		return true
 23393  	}
 23394  	// match: (Zero [s] ptr mem)
 23395  	// cond: s%16 == 0 && (s > 16*64 || config.noDuffDevice)
 23396  	// result: (LoweredZero ptr (ADDconst <ptr.Type> [s-16] ptr) mem)
 23397  	for {
 23398  		s := auxIntToInt64(v.AuxInt)
 23399  		ptr := v_0
 23400  		mem := v_1
 23401  		if !(s%16 == 0 && (s > 16*64 || config.noDuffDevice)) {
 23402  			break
 23403  		}
 23404  		v.reset(OpARM64LoweredZero)
 23405  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, ptr.Type)
 23406  		v0.AuxInt = int64ToAuxInt(s - 16)
 23407  		v0.AddArg(ptr)
 23408  		v.AddArg3(ptr, v0, mem)
 23409  		return true
 23410  	}
 23411  	return false
 23412  }
 23413  func rewriteBlockARM64(b *Block) bool {
 23414  	typ := &b.Func.Config.Types
 23415  	switch b.Kind {
 23416  	case BlockARM64EQ:
 23417  		// match: (EQ (CMPconst [0] z:(AND x y)) yes no)
 23418  		// cond: z.Uses == 1
 23419  		// result: (EQ (TST x y) yes no)
 23420  		for b.Controls[0].Op == OpARM64CMPconst {
 23421  			v_0 := b.Controls[0]
 23422  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23423  				break
 23424  			}
 23425  			z := v_0.Args[0]
 23426  			if z.Op != OpARM64AND {
 23427  				break
 23428  			}
 23429  			_ = z.Args[1]
 23430  			z_0 := z.Args[0]
 23431  			z_1 := z.Args[1]
 23432  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23433  				x := z_0
 23434  				y := z_1
 23435  				if !(z.Uses == 1) {
 23436  					continue
 23437  				}
 23438  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 23439  				v0.AddArg2(x, y)
 23440  				b.resetWithControl(BlockARM64EQ, v0)
 23441  				return true
 23442  			}
 23443  			break
 23444  		}
 23445  		// match: (EQ (CMPconst [0] x:(ANDconst [c] y)) yes no)
 23446  		// cond: x.Uses == 1
 23447  		// result: (EQ (TSTconst [c] y) yes no)
 23448  		for b.Controls[0].Op == OpARM64CMPconst {
 23449  			v_0 := b.Controls[0]
 23450  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23451  				break
 23452  			}
 23453  			x := v_0.Args[0]
 23454  			if x.Op != OpARM64ANDconst {
 23455  				break
 23456  			}
 23457  			c := auxIntToInt64(x.AuxInt)
 23458  			y := x.Args[0]
 23459  			if !(x.Uses == 1) {
 23460  				break
 23461  			}
 23462  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 23463  			v0.AuxInt = int64ToAuxInt(c)
 23464  			v0.AddArg(y)
 23465  			b.resetWithControl(BlockARM64EQ, v0)
 23466  			return true
 23467  		}
 23468  		// match: (EQ (CMPWconst [0] z:(AND x y)) yes no)
 23469  		// cond: z.Uses == 1
 23470  		// result: (EQ (TSTW x y) yes no)
 23471  		for b.Controls[0].Op == OpARM64CMPWconst {
 23472  			v_0 := b.Controls[0]
 23473  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23474  				break
 23475  			}
 23476  			z := v_0.Args[0]
 23477  			if z.Op != OpARM64AND {
 23478  				break
 23479  			}
 23480  			_ = z.Args[1]
 23481  			z_0 := z.Args[0]
 23482  			z_1 := z.Args[1]
 23483  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23484  				x := z_0
 23485  				y := z_1
 23486  				if !(z.Uses == 1) {
 23487  					continue
 23488  				}
 23489  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 23490  				v0.AddArg2(x, y)
 23491  				b.resetWithControl(BlockARM64EQ, v0)
 23492  				return true
 23493  			}
 23494  			break
 23495  		}
 23496  		// match: (EQ (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 23497  		// cond: x.Uses == 1
 23498  		// result: (EQ (TSTWconst [int32(c)] y) yes no)
 23499  		for b.Controls[0].Op == OpARM64CMPWconst {
 23500  			v_0 := b.Controls[0]
 23501  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23502  				break
 23503  			}
 23504  			x := v_0.Args[0]
 23505  			if x.Op != OpARM64ANDconst {
 23506  				break
 23507  			}
 23508  			c := auxIntToInt64(x.AuxInt)
 23509  			y := x.Args[0]
 23510  			if !(x.Uses == 1) {
 23511  				break
 23512  			}
 23513  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 23514  			v0.AuxInt = int32ToAuxInt(int32(c))
 23515  			v0.AddArg(y)
 23516  			b.resetWithControl(BlockARM64EQ, v0)
 23517  			return true
 23518  		}
 23519  		// match: (EQ (CMPconst [0] x:(ADDconst [c] y)) yes no)
 23520  		// cond: x.Uses == 1
 23521  		// result: (EQ (CMNconst [c] y) yes no)
 23522  		for b.Controls[0].Op == OpARM64CMPconst {
 23523  			v_0 := b.Controls[0]
 23524  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23525  				break
 23526  			}
 23527  			x := v_0.Args[0]
 23528  			if x.Op != OpARM64ADDconst {
 23529  				break
 23530  			}
 23531  			c := auxIntToInt64(x.AuxInt)
 23532  			y := x.Args[0]
 23533  			if !(x.Uses == 1) {
 23534  				break
 23535  			}
 23536  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 23537  			v0.AuxInt = int64ToAuxInt(c)
 23538  			v0.AddArg(y)
 23539  			b.resetWithControl(BlockARM64EQ, v0)
 23540  			return true
 23541  		}
 23542  		// match: (EQ (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 23543  		// cond: x.Uses == 1
 23544  		// result: (EQ (CMNWconst [int32(c)] y) yes no)
 23545  		for b.Controls[0].Op == OpARM64CMPWconst {
 23546  			v_0 := b.Controls[0]
 23547  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23548  				break
 23549  			}
 23550  			x := v_0.Args[0]
 23551  			if x.Op != OpARM64ADDconst {
 23552  				break
 23553  			}
 23554  			c := auxIntToInt64(x.AuxInt)
 23555  			y := x.Args[0]
 23556  			if !(x.Uses == 1) {
 23557  				break
 23558  			}
 23559  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 23560  			v0.AuxInt = int32ToAuxInt(int32(c))
 23561  			v0.AddArg(y)
 23562  			b.resetWithControl(BlockARM64EQ, v0)
 23563  			return true
 23564  		}
 23565  		// match: (EQ (CMPconst [0] z:(ADD x y)) yes no)
 23566  		// cond: z.Uses == 1
 23567  		// result: (EQ (CMN x y) yes no)
 23568  		for b.Controls[0].Op == OpARM64CMPconst {
 23569  			v_0 := b.Controls[0]
 23570  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23571  				break
 23572  			}
 23573  			z := v_0.Args[0]
 23574  			if z.Op != OpARM64ADD {
 23575  				break
 23576  			}
 23577  			_ = z.Args[1]
 23578  			z_0 := z.Args[0]
 23579  			z_1 := z.Args[1]
 23580  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23581  				x := z_0
 23582  				y := z_1
 23583  				if !(z.Uses == 1) {
 23584  					continue
 23585  				}
 23586  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 23587  				v0.AddArg2(x, y)
 23588  				b.resetWithControl(BlockARM64EQ, v0)
 23589  				return true
 23590  			}
 23591  			break
 23592  		}
 23593  		// match: (EQ (CMPWconst [0] z:(ADD x y)) yes no)
 23594  		// cond: z.Uses == 1
 23595  		// result: (EQ (CMNW x y) yes no)
 23596  		for b.Controls[0].Op == OpARM64CMPWconst {
 23597  			v_0 := b.Controls[0]
 23598  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23599  				break
 23600  			}
 23601  			z := v_0.Args[0]
 23602  			if z.Op != OpARM64ADD {
 23603  				break
 23604  			}
 23605  			_ = z.Args[1]
 23606  			z_0 := z.Args[0]
 23607  			z_1 := z.Args[1]
 23608  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23609  				x := z_0
 23610  				y := z_1
 23611  				if !(z.Uses == 1) {
 23612  					continue
 23613  				}
 23614  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 23615  				v0.AddArg2(x, y)
 23616  				b.resetWithControl(BlockARM64EQ, v0)
 23617  				return true
 23618  			}
 23619  			break
 23620  		}
 23621  		// match: (EQ (CMP x z:(NEG y)) yes no)
 23622  		// cond: z.Uses == 1
 23623  		// result: (EQ (CMN x y) yes no)
 23624  		for b.Controls[0].Op == OpARM64CMP {
 23625  			v_0 := b.Controls[0]
 23626  			_ = v_0.Args[1]
 23627  			x := v_0.Args[0]
 23628  			z := v_0.Args[1]
 23629  			if z.Op != OpARM64NEG {
 23630  				break
 23631  			}
 23632  			y := z.Args[0]
 23633  			if !(z.Uses == 1) {
 23634  				break
 23635  			}
 23636  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 23637  			v0.AddArg2(x, y)
 23638  			b.resetWithControl(BlockARM64EQ, v0)
 23639  			return true
 23640  		}
 23641  		// match: (EQ (CMPW x z:(NEG y)) yes no)
 23642  		// cond: z.Uses == 1
 23643  		// result: (EQ (CMNW x y) yes no)
 23644  		for b.Controls[0].Op == OpARM64CMPW {
 23645  			v_0 := b.Controls[0]
 23646  			_ = v_0.Args[1]
 23647  			x := v_0.Args[0]
 23648  			z := v_0.Args[1]
 23649  			if z.Op != OpARM64NEG {
 23650  				break
 23651  			}
 23652  			y := z.Args[0]
 23653  			if !(z.Uses == 1) {
 23654  				break
 23655  			}
 23656  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 23657  			v0.AddArg2(x, y)
 23658  			b.resetWithControl(BlockARM64EQ, v0)
 23659  			return true
 23660  		}
 23661  		// match: (EQ (CMPconst [0] x) yes no)
 23662  		// result: (Z x yes no)
 23663  		for b.Controls[0].Op == OpARM64CMPconst {
 23664  			v_0 := b.Controls[0]
 23665  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23666  				break
 23667  			}
 23668  			x := v_0.Args[0]
 23669  			b.resetWithControl(BlockARM64Z, x)
 23670  			return true
 23671  		}
 23672  		// match: (EQ (CMPWconst [0] x) yes no)
 23673  		// result: (ZW x yes no)
 23674  		for b.Controls[0].Op == OpARM64CMPWconst {
 23675  			v_0 := b.Controls[0]
 23676  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23677  				break
 23678  			}
 23679  			x := v_0.Args[0]
 23680  			b.resetWithControl(BlockARM64ZW, x)
 23681  			return true
 23682  		}
 23683  		// match: (EQ (CMPconst [0] z:(MADD a x y)) yes no)
 23684  		// cond: z.Uses==1
 23685  		// result: (EQ (CMN a (MUL <x.Type> x y)) yes no)
 23686  		for b.Controls[0].Op == OpARM64CMPconst {
 23687  			v_0 := b.Controls[0]
 23688  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23689  				break
 23690  			}
 23691  			z := v_0.Args[0]
 23692  			if z.Op != OpARM64MADD {
 23693  				break
 23694  			}
 23695  			y := z.Args[2]
 23696  			a := z.Args[0]
 23697  			x := z.Args[1]
 23698  			if !(z.Uses == 1) {
 23699  				break
 23700  			}
 23701  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 23702  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 23703  			v1.AddArg2(x, y)
 23704  			v0.AddArg2(a, v1)
 23705  			b.resetWithControl(BlockARM64EQ, v0)
 23706  			return true
 23707  		}
 23708  		// match: (EQ (CMPconst [0] z:(MSUB a x y)) yes no)
 23709  		// cond: z.Uses==1
 23710  		// result: (EQ (CMP a (MUL <x.Type> x y)) yes no)
 23711  		for b.Controls[0].Op == OpARM64CMPconst {
 23712  			v_0 := b.Controls[0]
 23713  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23714  				break
 23715  			}
 23716  			z := v_0.Args[0]
 23717  			if z.Op != OpARM64MSUB {
 23718  				break
 23719  			}
 23720  			y := z.Args[2]
 23721  			a := z.Args[0]
 23722  			x := z.Args[1]
 23723  			if !(z.Uses == 1) {
 23724  				break
 23725  			}
 23726  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 23727  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 23728  			v1.AddArg2(x, y)
 23729  			v0.AddArg2(a, v1)
 23730  			b.resetWithControl(BlockARM64EQ, v0)
 23731  			return true
 23732  		}
 23733  		// match: (EQ (CMPWconst [0] z:(MADDW a x y)) yes no)
 23734  		// cond: z.Uses==1
 23735  		// result: (EQ (CMNW a (MULW <x.Type> x y)) yes no)
 23736  		for b.Controls[0].Op == OpARM64CMPWconst {
 23737  			v_0 := b.Controls[0]
 23738  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23739  				break
 23740  			}
 23741  			z := v_0.Args[0]
 23742  			if z.Op != OpARM64MADDW {
 23743  				break
 23744  			}
 23745  			y := z.Args[2]
 23746  			a := z.Args[0]
 23747  			x := z.Args[1]
 23748  			if !(z.Uses == 1) {
 23749  				break
 23750  			}
 23751  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 23752  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 23753  			v1.AddArg2(x, y)
 23754  			v0.AddArg2(a, v1)
 23755  			b.resetWithControl(BlockARM64EQ, v0)
 23756  			return true
 23757  		}
 23758  		// match: (EQ (CMPWconst [0] z:(MSUBW a x y)) yes no)
 23759  		// cond: z.Uses==1
 23760  		// result: (EQ (CMPW a (MULW <x.Type> x y)) yes no)
 23761  		for b.Controls[0].Op == OpARM64CMPWconst {
 23762  			v_0 := b.Controls[0]
 23763  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23764  				break
 23765  			}
 23766  			z := v_0.Args[0]
 23767  			if z.Op != OpARM64MSUBW {
 23768  				break
 23769  			}
 23770  			y := z.Args[2]
 23771  			a := z.Args[0]
 23772  			x := z.Args[1]
 23773  			if !(z.Uses == 1) {
 23774  				break
 23775  			}
 23776  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 23777  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 23778  			v1.AddArg2(x, y)
 23779  			v0.AddArg2(a, v1)
 23780  			b.resetWithControl(BlockARM64EQ, v0)
 23781  			return true
 23782  		}
 23783  		// match: (EQ (TSTconst [c] x) yes no)
 23784  		// cond: oneBit(c)
 23785  		// result: (TBZ [int64(ntz64(c))] x yes no)
 23786  		for b.Controls[0].Op == OpARM64TSTconst {
 23787  			v_0 := b.Controls[0]
 23788  			c := auxIntToInt64(v_0.AuxInt)
 23789  			x := v_0.Args[0]
 23790  			if !(oneBit(c)) {
 23791  				break
 23792  			}
 23793  			b.resetWithControl(BlockARM64TBZ, x)
 23794  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 23795  			return true
 23796  		}
 23797  		// match: (EQ (TSTWconst [c] x) yes no)
 23798  		// cond: oneBit(int64(uint32(c)))
 23799  		// result: (TBZ [int64(ntz64(int64(uint32(c))))] x yes no)
 23800  		for b.Controls[0].Op == OpARM64TSTWconst {
 23801  			v_0 := b.Controls[0]
 23802  			c := auxIntToInt32(v_0.AuxInt)
 23803  			x := v_0.Args[0]
 23804  			if !(oneBit(int64(uint32(c)))) {
 23805  				break
 23806  			}
 23807  			b.resetWithControl(BlockARM64TBZ, x)
 23808  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 23809  			return true
 23810  		}
 23811  		// match: (EQ (FlagConstant [fc]) yes no)
 23812  		// cond: fc.eq()
 23813  		// result: (First yes no)
 23814  		for b.Controls[0].Op == OpARM64FlagConstant {
 23815  			v_0 := b.Controls[0]
 23816  			fc := auxIntToFlagConstant(v_0.AuxInt)
 23817  			if !(fc.eq()) {
 23818  				break
 23819  			}
 23820  			b.Reset(BlockFirst)
 23821  			return true
 23822  		}
 23823  		// match: (EQ (FlagConstant [fc]) yes no)
 23824  		// cond: !fc.eq()
 23825  		// result: (First no yes)
 23826  		for b.Controls[0].Op == OpARM64FlagConstant {
 23827  			v_0 := b.Controls[0]
 23828  			fc := auxIntToFlagConstant(v_0.AuxInt)
 23829  			if !(!fc.eq()) {
 23830  				break
 23831  			}
 23832  			b.Reset(BlockFirst)
 23833  			b.swapSuccessors()
 23834  			return true
 23835  		}
 23836  		// match: (EQ (InvertFlags cmp) yes no)
 23837  		// result: (EQ cmp yes no)
 23838  		for b.Controls[0].Op == OpARM64InvertFlags {
 23839  			v_0 := b.Controls[0]
 23840  			cmp := v_0.Args[0]
 23841  			b.resetWithControl(BlockARM64EQ, cmp)
 23842  			return true
 23843  		}
 23844  	case BlockARM64FGE:
 23845  		// match: (FGE (InvertFlags cmp) yes no)
 23846  		// result: (FLE cmp yes no)
 23847  		for b.Controls[0].Op == OpARM64InvertFlags {
 23848  			v_0 := b.Controls[0]
 23849  			cmp := v_0.Args[0]
 23850  			b.resetWithControl(BlockARM64FLE, cmp)
 23851  			return true
 23852  		}
 23853  	case BlockARM64FGT:
 23854  		// match: (FGT (InvertFlags cmp) yes no)
 23855  		// result: (FLT cmp yes no)
 23856  		for b.Controls[0].Op == OpARM64InvertFlags {
 23857  			v_0 := b.Controls[0]
 23858  			cmp := v_0.Args[0]
 23859  			b.resetWithControl(BlockARM64FLT, cmp)
 23860  			return true
 23861  		}
 23862  	case BlockARM64FLE:
 23863  		// match: (FLE (InvertFlags cmp) yes no)
 23864  		// result: (FGE cmp yes no)
 23865  		for b.Controls[0].Op == OpARM64InvertFlags {
 23866  			v_0 := b.Controls[0]
 23867  			cmp := v_0.Args[0]
 23868  			b.resetWithControl(BlockARM64FGE, cmp)
 23869  			return true
 23870  		}
 23871  	case BlockARM64FLT:
 23872  		// match: (FLT (InvertFlags cmp) yes no)
 23873  		// result: (FGT cmp yes no)
 23874  		for b.Controls[0].Op == OpARM64InvertFlags {
 23875  			v_0 := b.Controls[0]
 23876  			cmp := v_0.Args[0]
 23877  			b.resetWithControl(BlockARM64FGT, cmp)
 23878  			return true
 23879  		}
 23880  	case BlockARM64GE:
 23881  		// match: (GE (CMPconst [0] z:(AND x y)) yes no)
 23882  		// cond: z.Uses == 1
 23883  		// result: (GE (TST x y) yes no)
 23884  		for b.Controls[0].Op == OpARM64CMPconst {
 23885  			v_0 := b.Controls[0]
 23886  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23887  				break
 23888  			}
 23889  			z := v_0.Args[0]
 23890  			if z.Op != OpARM64AND {
 23891  				break
 23892  			}
 23893  			_ = z.Args[1]
 23894  			z_0 := z.Args[0]
 23895  			z_1 := z.Args[1]
 23896  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23897  				x := z_0
 23898  				y := z_1
 23899  				if !(z.Uses == 1) {
 23900  					continue
 23901  				}
 23902  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 23903  				v0.AddArg2(x, y)
 23904  				b.resetWithControl(BlockARM64GE, v0)
 23905  				return true
 23906  			}
 23907  			break
 23908  		}
 23909  		// match: (GE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 23910  		// cond: x.Uses == 1
 23911  		// result: (GE (TSTconst [c] y) yes no)
 23912  		for b.Controls[0].Op == OpARM64CMPconst {
 23913  			v_0 := b.Controls[0]
 23914  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23915  				break
 23916  			}
 23917  			x := v_0.Args[0]
 23918  			if x.Op != OpARM64ANDconst {
 23919  				break
 23920  			}
 23921  			c := auxIntToInt64(x.AuxInt)
 23922  			y := x.Args[0]
 23923  			if !(x.Uses == 1) {
 23924  				break
 23925  			}
 23926  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 23927  			v0.AuxInt = int64ToAuxInt(c)
 23928  			v0.AddArg(y)
 23929  			b.resetWithControl(BlockARM64GE, v0)
 23930  			return true
 23931  		}
 23932  		// match: (GE (CMPWconst [0] z:(AND x y)) yes no)
 23933  		// cond: z.Uses == 1
 23934  		// result: (GE (TSTW x y) yes no)
 23935  		for b.Controls[0].Op == OpARM64CMPWconst {
 23936  			v_0 := b.Controls[0]
 23937  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23938  				break
 23939  			}
 23940  			z := v_0.Args[0]
 23941  			if z.Op != OpARM64AND {
 23942  				break
 23943  			}
 23944  			_ = z.Args[1]
 23945  			z_0 := z.Args[0]
 23946  			z_1 := z.Args[1]
 23947  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23948  				x := z_0
 23949  				y := z_1
 23950  				if !(z.Uses == 1) {
 23951  					continue
 23952  				}
 23953  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 23954  				v0.AddArg2(x, y)
 23955  				b.resetWithControl(BlockARM64GE, v0)
 23956  				return true
 23957  			}
 23958  			break
 23959  		}
 23960  		// match: (GE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 23961  		// cond: x.Uses == 1
 23962  		// result: (GE (TSTWconst [int32(c)] y) yes no)
 23963  		for b.Controls[0].Op == OpARM64CMPWconst {
 23964  			v_0 := b.Controls[0]
 23965  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23966  				break
 23967  			}
 23968  			x := v_0.Args[0]
 23969  			if x.Op != OpARM64ANDconst {
 23970  				break
 23971  			}
 23972  			c := auxIntToInt64(x.AuxInt)
 23973  			y := x.Args[0]
 23974  			if !(x.Uses == 1) {
 23975  				break
 23976  			}
 23977  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 23978  			v0.AuxInt = int32ToAuxInt(int32(c))
 23979  			v0.AddArg(y)
 23980  			b.resetWithControl(BlockARM64GE, v0)
 23981  			return true
 23982  		}
 23983  		// match: (GE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 23984  		// cond: x.Uses == 1
 23985  		// result: (GEnoov (CMNconst [c] y) yes no)
 23986  		for b.Controls[0].Op == OpARM64CMPconst {
 23987  			v_0 := b.Controls[0]
 23988  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23989  				break
 23990  			}
 23991  			x := v_0.Args[0]
 23992  			if x.Op != OpARM64ADDconst {
 23993  				break
 23994  			}
 23995  			c := auxIntToInt64(x.AuxInt)
 23996  			y := x.Args[0]
 23997  			if !(x.Uses == 1) {
 23998  				break
 23999  			}
 24000  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 24001  			v0.AuxInt = int64ToAuxInt(c)
 24002  			v0.AddArg(y)
 24003  			b.resetWithControl(BlockARM64GEnoov, v0)
 24004  			return true
 24005  		}
 24006  		// match: (GE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 24007  		// cond: x.Uses == 1
 24008  		// result: (GEnoov (CMNWconst [int32(c)] y) yes no)
 24009  		for b.Controls[0].Op == OpARM64CMPWconst {
 24010  			v_0 := b.Controls[0]
 24011  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24012  				break
 24013  			}
 24014  			x := v_0.Args[0]
 24015  			if x.Op != OpARM64ADDconst {
 24016  				break
 24017  			}
 24018  			c := auxIntToInt64(x.AuxInt)
 24019  			y := x.Args[0]
 24020  			if !(x.Uses == 1) {
 24021  				break
 24022  			}
 24023  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 24024  			v0.AuxInt = int32ToAuxInt(int32(c))
 24025  			v0.AddArg(y)
 24026  			b.resetWithControl(BlockARM64GEnoov, v0)
 24027  			return true
 24028  		}
 24029  		// match: (GE (CMPconst [0] z:(ADD x y)) yes no)
 24030  		// cond: z.Uses == 1
 24031  		// result: (GEnoov (CMN x y) yes no)
 24032  		for b.Controls[0].Op == OpARM64CMPconst {
 24033  			v_0 := b.Controls[0]
 24034  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24035  				break
 24036  			}
 24037  			z := v_0.Args[0]
 24038  			if z.Op != OpARM64ADD {
 24039  				break
 24040  			}
 24041  			_ = z.Args[1]
 24042  			z_0 := z.Args[0]
 24043  			z_1 := z.Args[1]
 24044  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24045  				x := z_0
 24046  				y := z_1
 24047  				if !(z.Uses == 1) {
 24048  					continue
 24049  				}
 24050  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24051  				v0.AddArg2(x, y)
 24052  				b.resetWithControl(BlockARM64GEnoov, v0)
 24053  				return true
 24054  			}
 24055  			break
 24056  		}
 24057  		// match: (GE (CMPWconst [0] z:(ADD x y)) yes no)
 24058  		// cond: z.Uses == 1
 24059  		// result: (GEnoov (CMNW x y) yes no)
 24060  		for b.Controls[0].Op == OpARM64CMPWconst {
 24061  			v_0 := b.Controls[0]
 24062  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24063  				break
 24064  			}
 24065  			z := v_0.Args[0]
 24066  			if z.Op != OpARM64ADD {
 24067  				break
 24068  			}
 24069  			_ = z.Args[1]
 24070  			z_0 := z.Args[0]
 24071  			z_1 := z.Args[1]
 24072  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24073  				x := z_0
 24074  				y := z_1
 24075  				if !(z.Uses == 1) {
 24076  					continue
 24077  				}
 24078  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24079  				v0.AddArg2(x, y)
 24080  				b.resetWithControl(BlockARM64GEnoov, v0)
 24081  				return true
 24082  			}
 24083  			break
 24084  		}
 24085  		// match: (GE (CMPconst [0] z:(MADD a x y)) yes no)
 24086  		// cond: z.Uses==1
 24087  		// result: (GEnoov (CMN a (MUL <x.Type> x y)) yes no)
 24088  		for b.Controls[0].Op == OpARM64CMPconst {
 24089  			v_0 := b.Controls[0]
 24090  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24091  				break
 24092  			}
 24093  			z := v_0.Args[0]
 24094  			if z.Op != OpARM64MADD {
 24095  				break
 24096  			}
 24097  			y := z.Args[2]
 24098  			a := z.Args[0]
 24099  			x := z.Args[1]
 24100  			if !(z.Uses == 1) {
 24101  				break
 24102  			}
 24103  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24104  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24105  			v1.AddArg2(x, y)
 24106  			v0.AddArg2(a, v1)
 24107  			b.resetWithControl(BlockARM64GEnoov, v0)
 24108  			return true
 24109  		}
 24110  		// match: (GE (CMPconst [0] z:(MSUB a x y)) yes no)
 24111  		// cond: z.Uses==1
 24112  		// result: (GEnoov (CMP a (MUL <x.Type> x y)) yes no)
 24113  		for b.Controls[0].Op == OpARM64CMPconst {
 24114  			v_0 := b.Controls[0]
 24115  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24116  				break
 24117  			}
 24118  			z := v_0.Args[0]
 24119  			if z.Op != OpARM64MSUB {
 24120  				break
 24121  			}
 24122  			y := z.Args[2]
 24123  			a := z.Args[0]
 24124  			x := z.Args[1]
 24125  			if !(z.Uses == 1) {
 24126  				break
 24127  			}
 24128  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 24129  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24130  			v1.AddArg2(x, y)
 24131  			v0.AddArg2(a, v1)
 24132  			b.resetWithControl(BlockARM64GEnoov, v0)
 24133  			return true
 24134  		}
 24135  		// match: (GE (CMPWconst [0] z:(MADDW a x y)) yes no)
 24136  		// cond: z.Uses==1
 24137  		// result: (GEnoov (CMNW a (MULW <x.Type> x y)) yes no)
 24138  		for b.Controls[0].Op == OpARM64CMPWconst {
 24139  			v_0 := b.Controls[0]
 24140  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24141  				break
 24142  			}
 24143  			z := v_0.Args[0]
 24144  			if z.Op != OpARM64MADDW {
 24145  				break
 24146  			}
 24147  			y := z.Args[2]
 24148  			a := z.Args[0]
 24149  			x := z.Args[1]
 24150  			if !(z.Uses == 1) {
 24151  				break
 24152  			}
 24153  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24154  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24155  			v1.AddArg2(x, y)
 24156  			v0.AddArg2(a, v1)
 24157  			b.resetWithControl(BlockARM64GEnoov, v0)
 24158  			return true
 24159  		}
 24160  		// match: (GE (CMPWconst [0] z:(MSUBW a x y)) yes no)
 24161  		// cond: z.Uses==1
 24162  		// result: (GEnoov (CMPW a (MULW <x.Type> x y)) yes no)
 24163  		for b.Controls[0].Op == OpARM64CMPWconst {
 24164  			v_0 := b.Controls[0]
 24165  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24166  				break
 24167  			}
 24168  			z := v_0.Args[0]
 24169  			if z.Op != OpARM64MSUBW {
 24170  				break
 24171  			}
 24172  			y := z.Args[2]
 24173  			a := z.Args[0]
 24174  			x := z.Args[1]
 24175  			if !(z.Uses == 1) {
 24176  				break
 24177  			}
 24178  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 24179  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24180  			v1.AddArg2(x, y)
 24181  			v0.AddArg2(a, v1)
 24182  			b.resetWithControl(BlockARM64GEnoov, v0)
 24183  			return true
 24184  		}
 24185  		// match: (GE (CMPWconst [0] x) yes no)
 24186  		// result: (TBZ [31] x yes no)
 24187  		for b.Controls[0].Op == OpARM64CMPWconst {
 24188  			v_0 := b.Controls[0]
 24189  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24190  				break
 24191  			}
 24192  			x := v_0.Args[0]
 24193  			b.resetWithControl(BlockARM64TBZ, x)
 24194  			b.AuxInt = int64ToAuxInt(31)
 24195  			return true
 24196  		}
 24197  		// match: (GE (CMPconst [0] x) yes no)
 24198  		// result: (TBZ [63] x yes no)
 24199  		for b.Controls[0].Op == OpARM64CMPconst {
 24200  			v_0 := b.Controls[0]
 24201  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24202  				break
 24203  			}
 24204  			x := v_0.Args[0]
 24205  			b.resetWithControl(BlockARM64TBZ, x)
 24206  			b.AuxInt = int64ToAuxInt(63)
 24207  			return true
 24208  		}
 24209  		// match: (GE (FlagConstant [fc]) yes no)
 24210  		// cond: fc.ge()
 24211  		// result: (First yes no)
 24212  		for b.Controls[0].Op == OpARM64FlagConstant {
 24213  			v_0 := b.Controls[0]
 24214  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24215  			if !(fc.ge()) {
 24216  				break
 24217  			}
 24218  			b.Reset(BlockFirst)
 24219  			return true
 24220  		}
 24221  		// match: (GE (FlagConstant [fc]) yes no)
 24222  		// cond: !fc.ge()
 24223  		// result: (First no yes)
 24224  		for b.Controls[0].Op == OpARM64FlagConstant {
 24225  			v_0 := b.Controls[0]
 24226  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24227  			if !(!fc.ge()) {
 24228  				break
 24229  			}
 24230  			b.Reset(BlockFirst)
 24231  			b.swapSuccessors()
 24232  			return true
 24233  		}
 24234  		// match: (GE (InvertFlags cmp) yes no)
 24235  		// result: (LE cmp yes no)
 24236  		for b.Controls[0].Op == OpARM64InvertFlags {
 24237  			v_0 := b.Controls[0]
 24238  			cmp := v_0.Args[0]
 24239  			b.resetWithControl(BlockARM64LE, cmp)
 24240  			return true
 24241  		}
 24242  	case BlockARM64GEnoov:
 24243  		// match: (GEnoov (FlagConstant [fc]) yes no)
 24244  		// cond: fc.geNoov()
 24245  		// result: (First yes no)
 24246  		for b.Controls[0].Op == OpARM64FlagConstant {
 24247  			v_0 := b.Controls[0]
 24248  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24249  			if !(fc.geNoov()) {
 24250  				break
 24251  			}
 24252  			b.Reset(BlockFirst)
 24253  			return true
 24254  		}
 24255  		// match: (GEnoov (FlagConstant [fc]) yes no)
 24256  		// cond: !fc.geNoov()
 24257  		// result: (First no yes)
 24258  		for b.Controls[0].Op == OpARM64FlagConstant {
 24259  			v_0 := b.Controls[0]
 24260  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24261  			if !(!fc.geNoov()) {
 24262  				break
 24263  			}
 24264  			b.Reset(BlockFirst)
 24265  			b.swapSuccessors()
 24266  			return true
 24267  		}
 24268  		// match: (GEnoov (InvertFlags cmp) yes no)
 24269  		// result: (LEnoov cmp yes no)
 24270  		for b.Controls[0].Op == OpARM64InvertFlags {
 24271  			v_0 := b.Controls[0]
 24272  			cmp := v_0.Args[0]
 24273  			b.resetWithControl(BlockARM64LEnoov, cmp)
 24274  			return true
 24275  		}
 24276  	case BlockARM64GT:
 24277  		// match: (GT (CMPconst [0] z:(AND x y)) yes no)
 24278  		// cond: z.Uses == 1
 24279  		// result: (GT (TST x y) yes no)
 24280  		for b.Controls[0].Op == OpARM64CMPconst {
 24281  			v_0 := b.Controls[0]
 24282  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24283  				break
 24284  			}
 24285  			z := v_0.Args[0]
 24286  			if z.Op != OpARM64AND {
 24287  				break
 24288  			}
 24289  			_ = z.Args[1]
 24290  			z_0 := z.Args[0]
 24291  			z_1 := z.Args[1]
 24292  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24293  				x := z_0
 24294  				y := z_1
 24295  				if !(z.Uses == 1) {
 24296  					continue
 24297  				}
 24298  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 24299  				v0.AddArg2(x, y)
 24300  				b.resetWithControl(BlockARM64GT, v0)
 24301  				return true
 24302  			}
 24303  			break
 24304  		}
 24305  		// match: (GT (CMPconst [0] x:(ANDconst [c] y)) yes no)
 24306  		// cond: x.Uses == 1
 24307  		// result: (GT (TSTconst [c] y) yes no)
 24308  		for b.Controls[0].Op == OpARM64CMPconst {
 24309  			v_0 := b.Controls[0]
 24310  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24311  				break
 24312  			}
 24313  			x := v_0.Args[0]
 24314  			if x.Op != OpARM64ANDconst {
 24315  				break
 24316  			}
 24317  			c := auxIntToInt64(x.AuxInt)
 24318  			y := x.Args[0]
 24319  			if !(x.Uses == 1) {
 24320  				break
 24321  			}
 24322  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 24323  			v0.AuxInt = int64ToAuxInt(c)
 24324  			v0.AddArg(y)
 24325  			b.resetWithControl(BlockARM64GT, v0)
 24326  			return true
 24327  		}
 24328  		// match: (GT (CMPWconst [0] z:(AND x y)) yes no)
 24329  		// cond: z.Uses == 1
 24330  		// result: (GT (TSTW x y) yes no)
 24331  		for b.Controls[0].Op == OpARM64CMPWconst {
 24332  			v_0 := b.Controls[0]
 24333  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24334  				break
 24335  			}
 24336  			z := v_0.Args[0]
 24337  			if z.Op != OpARM64AND {
 24338  				break
 24339  			}
 24340  			_ = z.Args[1]
 24341  			z_0 := z.Args[0]
 24342  			z_1 := z.Args[1]
 24343  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24344  				x := z_0
 24345  				y := z_1
 24346  				if !(z.Uses == 1) {
 24347  					continue
 24348  				}
 24349  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 24350  				v0.AddArg2(x, y)
 24351  				b.resetWithControl(BlockARM64GT, v0)
 24352  				return true
 24353  			}
 24354  			break
 24355  		}
 24356  		// match: (GT (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 24357  		// cond: x.Uses == 1
 24358  		// result: (GT (TSTWconst [int32(c)] y) yes no)
 24359  		for b.Controls[0].Op == OpARM64CMPWconst {
 24360  			v_0 := b.Controls[0]
 24361  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24362  				break
 24363  			}
 24364  			x := v_0.Args[0]
 24365  			if x.Op != OpARM64ANDconst {
 24366  				break
 24367  			}
 24368  			c := auxIntToInt64(x.AuxInt)
 24369  			y := x.Args[0]
 24370  			if !(x.Uses == 1) {
 24371  				break
 24372  			}
 24373  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 24374  			v0.AuxInt = int32ToAuxInt(int32(c))
 24375  			v0.AddArg(y)
 24376  			b.resetWithControl(BlockARM64GT, v0)
 24377  			return true
 24378  		}
 24379  		// match: (GT (CMPconst [0] x:(ADDconst [c] y)) yes no)
 24380  		// cond: x.Uses == 1
 24381  		// result: (GTnoov (CMNconst [c] y) yes no)
 24382  		for b.Controls[0].Op == OpARM64CMPconst {
 24383  			v_0 := b.Controls[0]
 24384  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24385  				break
 24386  			}
 24387  			x := v_0.Args[0]
 24388  			if x.Op != OpARM64ADDconst {
 24389  				break
 24390  			}
 24391  			c := auxIntToInt64(x.AuxInt)
 24392  			y := x.Args[0]
 24393  			if !(x.Uses == 1) {
 24394  				break
 24395  			}
 24396  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 24397  			v0.AuxInt = int64ToAuxInt(c)
 24398  			v0.AddArg(y)
 24399  			b.resetWithControl(BlockARM64GTnoov, v0)
 24400  			return true
 24401  		}
 24402  		// match: (GT (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 24403  		// cond: x.Uses == 1
 24404  		// result: (GTnoov (CMNWconst [int32(c)] y) yes no)
 24405  		for b.Controls[0].Op == OpARM64CMPWconst {
 24406  			v_0 := b.Controls[0]
 24407  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24408  				break
 24409  			}
 24410  			x := v_0.Args[0]
 24411  			if x.Op != OpARM64ADDconst {
 24412  				break
 24413  			}
 24414  			c := auxIntToInt64(x.AuxInt)
 24415  			y := x.Args[0]
 24416  			if !(x.Uses == 1) {
 24417  				break
 24418  			}
 24419  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 24420  			v0.AuxInt = int32ToAuxInt(int32(c))
 24421  			v0.AddArg(y)
 24422  			b.resetWithControl(BlockARM64GTnoov, v0)
 24423  			return true
 24424  		}
 24425  		// match: (GT (CMPconst [0] z:(ADD x y)) yes no)
 24426  		// cond: z.Uses == 1
 24427  		// result: (GTnoov (CMN x y) yes no)
 24428  		for b.Controls[0].Op == OpARM64CMPconst {
 24429  			v_0 := b.Controls[0]
 24430  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24431  				break
 24432  			}
 24433  			z := v_0.Args[0]
 24434  			if z.Op != OpARM64ADD {
 24435  				break
 24436  			}
 24437  			_ = z.Args[1]
 24438  			z_0 := z.Args[0]
 24439  			z_1 := z.Args[1]
 24440  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24441  				x := z_0
 24442  				y := z_1
 24443  				if !(z.Uses == 1) {
 24444  					continue
 24445  				}
 24446  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24447  				v0.AddArg2(x, y)
 24448  				b.resetWithControl(BlockARM64GTnoov, v0)
 24449  				return true
 24450  			}
 24451  			break
 24452  		}
 24453  		// match: (GT (CMPWconst [0] z:(ADD x y)) yes no)
 24454  		// cond: z.Uses == 1
 24455  		// result: (GTnoov (CMNW x y) yes no)
 24456  		for b.Controls[0].Op == OpARM64CMPWconst {
 24457  			v_0 := b.Controls[0]
 24458  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24459  				break
 24460  			}
 24461  			z := v_0.Args[0]
 24462  			if z.Op != OpARM64ADD {
 24463  				break
 24464  			}
 24465  			_ = z.Args[1]
 24466  			z_0 := z.Args[0]
 24467  			z_1 := z.Args[1]
 24468  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24469  				x := z_0
 24470  				y := z_1
 24471  				if !(z.Uses == 1) {
 24472  					continue
 24473  				}
 24474  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24475  				v0.AddArg2(x, y)
 24476  				b.resetWithControl(BlockARM64GTnoov, v0)
 24477  				return true
 24478  			}
 24479  			break
 24480  		}
 24481  		// match: (GT (CMPconst [0] z:(MADD a x y)) yes no)
 24482  		// cond: z.Uses==1
 24483  		// result: (GTnoov (CMN a (MUL <x.Type> x y)) yes no)
 24484  		for b.Controls[0].Op == OpARM64CMPconst {
 24485  			v_0 := b.Controls[0]
 24486  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24487  				break
 24488  			}
 24489  			z := v_0.Args[0]
 24490  			if z.Op != OpARM64MADD {
 24491  				break
 24492  			}
 24493  			y := z.Args[2]
 24494  			a := z.Args[0]
 24495  			x := z.Args[1]
 24496  			if !(z.Uses == 1) {
 24497  				break
 24498  			}
 24499  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24500  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24501  			v1.AddArg2(x, y)
 24502  			v0.AddArg2(a, v1)
 24503  			b.resetWithControl(BlockARM64GTnoov, v0)
 24504  			return true
 24505  		}
 24506  		// match: (GT (CMPconst [0] z:(MSUB a x y)) yes no)
 24507  		// cond: z.Uses==1
 24508  		// result: (GTnoov (CMP a (MUL <x.Type> x y)) yes no)
 24509  		for b.Controls[0].Op == OpARM64CMPconst {
 24510  			v_0 := b.Controls[0]
 24511  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24512  				break
 24513  			}
 24514  			z := v_0.Args[0]
 24515  			if z.Op != OpARM64MSUB {
 24516  				break
 24517  			}
 24518  			y := z.Args[2]
 24519  			a := z.Args[0]
 24520  			x := z.Args[1]
 24521  			if !(z.Uses == 1) {
 24522  				break
 24523  			}
 24524  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 24525  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24526  			v1.AddArg2(x, y)
 24527  			v0.AddArg2(a, v1)
 24528  			b.resetWithControl(BlockARM64GTnoov, v0)
 24529  			return true
 24530  		}
 24531  		// match: (GT (CMPWconst [0] z:(MADDW a x y)) yes no)
 24532  		// cond: z.Uses==1
 24533  		// result: (GTnoov (CMNW a (MULW <x.Type> x y)) yes no)
 24534  		for b.Controls[0].Op == OpARM64CMPWconst {
 24535  			v_0 := b.Controls[0]
 24536  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24537  				break
 24538  			}
 24539  			z := v_0.Args[0]
 24540  			if z.Op != OpARM64MADDW {
 24541  				break
 24542  			}
 24543  			y := z.Args[2]
 24544  			a := z.Args[0]
 24545  			x := z.Args[1]
 24546  			if !(z.Uses == 1) {
 24547  				break
 24548  			}
 24549  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24550  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24551  			v1.AddArg2(x, y)
 24552  			v0.AddArg2(a, v1)
 24553  			b.resetWithControl(BlockARM64GTnoov, v0)
 24554  			return true
 24555  		}
 24556  		// match: (GT (CMPWconst [0] z:(MSUBW a x y)) yes no)
 24557  		// cond: z.Uses==1
 24558  		// result: (GTnoov (CMPW a (MULW <x.Type> x y)) yes no)
 24559  		for b.Controls[0].Op == OpARM64CMPWconst {
 24560  			v_0 := b.Controls[0]
 24561  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24562  				break
 24563  			}
 24564  			z := v_0.Args[0]
 24565  			if z.Op != OpARM64MSUBW {
 24566  				break
 24567  			}
 24568  			y := z.Args[2]
 24569  			a := z.Args[0]
 24570  			x := z.Args[1]
 24571  			if !(z.Uses == 1) {
 24572  				break
 24573  			}
 24574  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 24575  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24576  			v1.AddArg2(x, y)
 24577  			v0.AddArg2(a, v1)
 24578  			b.resetWithControl(BlockARM64GTnoov, v0)
 24579  			return true
 24580  		}
 24581  		// match: (GT (FlagConstant [fc]) yes no)
 24582  		// cond: fc.gt()
 24583  		// result: (First yes no)
 24584  		for b.Controls[0].Op == OpARM64FlagConstant {
 24585  			v_0 := b.Controls[0]
 24586  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24587  			if !(fc.gt()) {
 24588  				break
 24589  			}
 24590  			b.Reset(BlockFirst)
 24591  			return true
 24592  		}
 24593  		// match: (GT (FlagConstant [fc]) yes no)
 24594  		// cond: !fc.gt()
 24595  		// result: (First no yes)
 24596  		for b.Controls[0].Op == OpARM64FlagConstant {
 24597  			v_0 := b.Controls[0]
 24598  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24599  			if !(!fc.gt()) {
 24600  				break
 24601  			}
 24602  			b.Reset(BlockFirst)
 24603  			b.swapSuccessors()
 24604  			return true
 24605  		}
 24606  		// match: (GT (InvertFlags cmp) yes no)
 24607  		// result: (LT cmp yes no)
 24608  		for b.Controls[0].Op == OpARM64InvertFlags {
 24609  			v_0 := b.Controls[0]
 24610  			cmp := v_0.Args[0]
 24611  			b.resetWithControl(BlockARM64LT, cmp)
 24612  			return true
 24613  		}
 24614  	case BlockARM64GTnoov:
 24615  		// match: (GTnoov (FlagConstant [fc]) yes no)
 24616  		// cond: fc.gtNoov()
 24617  		// result: (First yes no)
 24618  		for b.Controls[0].Op == OpARM64FlagConstant {
 24619  			v_0 := b.Controls[0]
 24620  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24621  			if !(fc.gtNoov()) {
 24622  				break
 24623  			}
 24624  			b.Reset(BlockFirst)
 24625  			return true
 24626  		}
 24627  		// match: (GTnoov (FlagConstant [fc]) yes no)
 24628  		// cond: !fc.gtNoov()
 24629  		// result: (First no yes)
 24630  		for b.Controls[0].Op == OpARM64FlagConstant {
 24631  			v_0 := b.Controls[0]
 24632  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24633  			if !(!fc.gtNoov()) {
 24634  				break
 24635  			}
 24636  			b.Reset(BlockFirst)
 24637  			b.swapSuccessors()
 24638  			return true
 24639  		}
 24640  		// match: (GTnoov (InvertFlags cmp) yes no)
 24641  		// result: (LTnoov cmp yes no)
 24642  		for b.Controls[0].Op == OpARM64InvertFlags {
 24643  			v_0 := b.Controls[0]
 24644  			cmp := v_0.Args[0]
 24645  			b.resetWithControl(BlockARM64LTnoov, cmp)
 24646  			return true
 24647  		}
 24648  	case BlockIf:
 24649  		// match: (If (Equal cc) yes no)
 24650  		// result: (EQ cc yes no)
 24651  		for b.Controls[0].Op == OpARM64Equal {
 24652  			v_0 := b.Controls[0]
 24653  			cc := v_0.Args[0]
 24654  			b.resetWithControl(BlockARM64EQ, cc)
 24655  			return true
 24656  		}
 24657  		// match: (If (NotEqual cc) yes no)
 24658  		// result: (NE cc yes no)
 24659  		for b.Controls[0].Op == OpARM64NotEqual {
 24660  			v_0 := b.Controls[0]
 24661  			cc := v_0.Args[0]
 24662  			b.resetWithControl(BlockARM64NE, cc)
 24663  			return true
 24664  		}
 24665  		// match: (If (LessThan cc) yes no)
 24666  		// result: (LT cc yes no)
 24667  		for b.Controls[0].Op == OpARM64LessThan {
 24668  			v_0 := b.Controls[0]
 24669  			cc := v_0.Args[0]
 24670  			b.resetWithControl(BlockARM64LT, cc)
 24671  			return true
 24672  		}
 24673  		// match: (If (LessThanU cc) yes no)
 24674  		// result: (ULT cc yes no)
 24675  		for b.Controls[0].Op == OpARM64LessThanU {
 24676  			v_0 := b.Controls[0]
 24677  			cc := v_0.Args[0]
 24678  			b.resetWithControl(BlockARM64ULT, cc)
 24679  			return true
 24680  		}
 24681  		// match: (If (LessEqual cc) yes no)
 24682  		// result: (LE cc yes no)
 24683  		for b.Controls[0].Op == OpARM64LessEqual {
 24684  			v_0 := b.Controls[0]
 24685  			cc := v_0.Args[0]
 24686  			b.resetWithControl(BlockARM64LE, cc)
 24687  			return true
 24688  		}
 24689  		// match: (If (LessEqualU cc) yes no)
 24690  		// result: (ULE cc yes no)
 24691  		for b.Controls[0].Op == OpARM64LessEqualU {
 24692  			v_0 := b.Controls[0]
 24693  			cc := v_0.Args[0]
 24694  			b.resetWithControl(BlockARM64ULE, cc)
 24695  			return true
 24696  		}
 24697  		// match: (If (GreaterThan cc) yes no)
 24698  		// result: (GT cc yes no)
 24699  		for b.Controls[0].Op == OpARM64GreaterThan {
 24700  			v_0 := b.Controls[0]
 24701  			cc := v_0.Args[0]
 24702  			b.resetWithControl(BlockARM64GT, cc)
 24703  			return true
 24704  		}
 24705  		// match: (If (GreaterThanU cc) yes no)
 24706  		// result: (UGT cc yes no)
 24707  		for b.Controls[0].Op == OpARM64GreaterThanU {
 24708  			v_0 := b.Controls[0]
 24709  			cc := v_0.Args[0]
 24710  			b.resetWithControl(BlockARM64UGT, cc)
 24711  			return true
 24712  		}
 24713  		// match: (If (GreaterEqual cc) yes no)
 24714  		// result: (GE cc yes no)
 24715  		for b.Controls[0].Op == OpARM64GreaterEqual {
 24716  			v_0 := b.Controls[0]
 24717  			cc := v_0.Args[0]
 24718  			b.resetWithControl(BlockARM64GE, cc)
 24719  			return true
 24720  		}
 24721  		// match: (If (GreaterEqualU cc) yes no)
 24722  		// result: (UGE cc yes no)
 24723  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 24724  			v_0 := b.Controls[0]
 24725  			cc := v_0.Args[0]
 24726  			b.resetWithControl(BlockARM64UGE, cc)
 24727  			return true
 24728  		}
 24729  		// match: (If (LessThanF cc) yes no)
 24730  		// result: (FLT cc yes no)
 24731  		for b.Controls[0].Op == OpARM64LessThanF {
 24732  			v_0 := b.Controls[0]
 24733  			cc := v_0.Args[0]
 24734  			b.resetWithControl(BlockARM64FLT, cc)
 24735  			return true
 24736  		}
 24737  		// match: (If (LessEqualF cc) yes no)
 24738  		// result: (FLE cc yes no)
 24739  		for b.Controls[0].Op == OpARM64LessEqualF {
 24740  			v_0 := b.Controls[0]
 24741  			cc := v_0.Args[0]
 24742  			b.resetWithControl(BlockARM64FLE, cc)
 24743  			return true
 24744  		}
 24745  		// match: (If (GreaterThanF cc) yes no)
 24746  		// result: (FGT cc yes no)
 24747  		for b.Controls[0].Op == OpARM64GreaterThanF {
 24748  			v_0 := b.Controls[0]
 24749  			cc := v_0.Args[0]
 24750  			b.resetWithControl(BlockARM64FGT, cc)
 24751  			return true
 24752  		}
 24753  		// match: (If (GreaterEqualF cc) yes no)
 24754  		// result: (FGE cc yes no)
 24755  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 24756  			v_0 := b.Controls[0]
 24757  			cc := v_0.Args[0]
 24758  			b.resetWithControl(BlockARM64FGE, cc)
 24759  			return true
 24760  		}
 24761  		// match: (If cond yes no)
 24762  		// result: (TBNZ [0] cond yes no)
 24763  		for {
 24764  			cond := b.Controls[0]
 24765  			b.resetWithControl(BlockARM64TBNZ, cond)
 24766  			b.AuxInt = int64ToAuxInt(0)
 24767  			return true
 24768  		}
 24769  	case BlockJumpTable:
 24770  		// match: (JumpTable idx)
 24771  		// result: (JUMPTABLE {makeJumpTableSym(b)} idx (MOVDaddr <typ.Uintptr> {makeJumpTableSym(b)} (SB)))
 24772  		for {
 24773  			idx := b.Controls[0]
 24774  			v0 := b.NewValue0(b.Pos, OpARM64MOVDaddr, typ.Uintptr)
 24775  			v0.Aux = symToAux(makeJumpTableSym(b))
 24776  			v1 := b.NewValue0(b.Pos, OpSB, typ.Uintptr)
 24777  			v0.AddArg(v1)
 24778  			b.resetWithControl2(BlockARM64JUMPTABLE, idx, v0)
 24779  			b.Aux = symToAux(makeJumpTableSym(b))
 24780  			return true
 24781  		}
 24782  	case BlockARM64LE:
 24783  		// match: (LE (CMPconst [0] z:(AND x y)) yes no)
 24784  		// cond: z.Uses == 1
 24785  		// result: (LE (TST x y) yes no)
 24786  		for b.Controls[0].Op == OpARM64CMPconst {
 24787  			v_0 := b.Controls[0]
 24788  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24789  				break
 24790  			}
 24791  			z := v_0.Args[0]
 24792  			if z.Op != OpARM64AND {
 24793  				break
 24794  			}
 24795  			_ = z.Args[1]
 24796  			z_0 := z.Args[0]
 24797  			z_1 := z.Args[1]
 24798  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24799  				x := z_0
 24800  				y := z_1
 24801  				if !(z.Uses == 1) {
 24802  					continue
 24803  				}
 24804  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 24805  				v0.AddArg2(x, y)
 24806  				b.resetWithControl(BlockARM64LE, v0)
 24807  				return true
 24808  			}
 24809  			break
 24810  		}
 24811  		// match: (LE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 24812  		// cond: x.Uses == 1
 24813  		// result: (LE (TSTconst [c] y) yes no)
 24814  		for b.Controls[0].Op == OpARM64CMPconst {
 24815  			v_0 := b.Controls[0]
 24816  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24817  				break
 24818  			}
 24819  			x := v_0.Args[0]
 24820  			if x.Op != OpARM64ANDconst {
 24821  				break
 24822  			}
 24823  			c := auxIntToInt64(x.AuxInt)
 24824  			y := x.Args[0]
 24825  			if !(x.Uses == 1) {
 24826  				break
 24827  			}
 24828  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 24829  			v0.AuxInt = int64ToAuxInt(c)
 24830  			v0.AddArg(y)
 24831  			b.resetWithControl(BlockARM64LE, v0)
 24832  			return true
 24833  		}
 24834  		// match: (LE (CMPWconst [0] z:(AND x y)) yes no)
 24835  		// cond: z.Uses == 1
 24836  		// result: (LE (TSTW x y) yes no)
 24837  		for b.Controls[0].Op == OpARM64CMPWconst {
 24838  			v_0 := b.Controls[0]
 24839  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24840  				break
 24841  			}
 24842  			z := v_0.Args[0]
 24843  			if z.Op != OpARM64AND {
 24844  				break
 24845  			}
 24846  			_ = z.Args[1]
 24847  			z_0 := z.Args[0]
 24848  			z_1 := z.Args[1]
 24849  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24850  				x := z_0
 24851  				y := z_1
 24852  				if !(z.Uses == 1) {
 24853  					continue
 24854  				}
 24855  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 24856  				v0.AddArg2(x, y)
 24857  				b.resetWithControl(BlockARM64LE, v0)
 24858  				return true
 24859  			}
 24860  			break
 24861  		}
 24862  		// match: (LE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 24863  		// cond: x.Uses == 1
 24864  		// result: (LE (TSTWconst [int32(c)] y) yes no)
 24865  		for b.Controls[0].Op == OpARM64CMPWconst {
 24866  			v_0 := b.Controls[0]
 24867  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24868  				break
 24869  			}
 24870  			x := v_0.Args[0]
 24871  			if x.Op != OpARM64ANDconst {
 24872  				break
 24873  			}
 24874  			c := auxIntToInt64(x.AuxInt)
 24875  			y := x.Args[0]
 24876  			if !(x.Uses == 1) {
 24877  				break
 24878  			}
 24879  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 24880  			v0.AuxInt = int32ToAuxInt(int32(c))
 24881  			v0.AddArg(y)
 24882  			b.resetWithControl(BlockARM64LE, v0)
 24883  			return true
 24884  		}
 24885  		// match: (LE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 24886  		// cond: x.Uses == 1
 24887  		// result: (LEnoov (CMNconst [c] y) yes no)
 24888  		for b.Controls[0].Op == OpARM64CMPconst {
 24889  			v_0 := b.Controls[0]
 24890  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24891  				break
 24892  			}
 24893  			x := v_0.Args[0]
 24894  			if x.Op != OpARM64ADDconst {
 24895  				break
 24896  			}
 24897  			c := auxIntToInt64(x.AuxInt)
 24898  			y := x.Args[0]
 24899  			if !(x.Uses == 1) {
 24900  				break
 24901  			}
 24902  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 24903  			v0.AuxInt = int64ToAuxInt(c)
 24904  			v0.AddArg(y)
 24905  			b.resetWithControl(BlockARM64LEnoov, v0)
 24906  			return true
 24907  		}
 24908  		// match: (LE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 24909  		// cond: x.Uses == 1
 24910  		// result: (LEnoov (CMNWconst [int32(c)] y) yes no)
 24911  		for b.Controls[0].Op == OpARM64CMPWconst {
 24912  			v_0 := b.Controls[0]
 24913  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24914  				break
 24915  			}
 24916  			x := v_0.Args[0]
 24917  			if x.Op != OpARM64ADDconst {
 24918  				break
 24919  			}
 24920  			c := auxIntToInt64(x.AuxInt)
 24921  			y := x.Args[0]
 24922  			if !(x.Uses == 1) {
 24923  				break
 24924  			}
 24925  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 24926  			v0.AuxInt = int32ToAuxInt(int32(c))
 24927  			v0.AddArg(y)
 24928  			b.resetWithControl(BlockARM64LEnoov, v0)
 24929  			return true
 24930  		}
 24931  		// match: (LE (CMPconst [0] z:(ADD x y)) yes no)
 24932  		// cond: z.Uses == 1
 24933  		// result: (LEnoov (CMN x y) yes no)
 24934  		for b.Controls[0].Op == OpARM64CMPconst {
 24935  			v_0 := b.Controls[0]
 24936  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24937  				break
 24938  			}
 24939  			z := v_0.Args[0]
 24940  			if z.Op != OpARM64ADD {
 24941  				break
 24942  			}
 24943  			_ = z.Args[1]
 24944  			z_0 := z.Args[0]
 24945  			z_1 := z.Args[1]
 24946  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24947  				x := z_0
 24948  				y := z_1
 24949  				if !(z.Uses == 1) {
 24950  					continue
 24951  				}
 24952  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24953  				v0.AddArg2(x, y)
 24954  				b.resetWithControl(BlockARM64LEnoov, v0)
 24955  				return true
 24956  			}
 24957  			break
 24958  		}
 24959  		// match: (LE (CMPWconst [0] z:(ADD x y)) yes no)
 24960  		// cond: z.Uses == 1
 24961  		// result: (LEnoov (CMNW x y) yes no)
 24962  		for b.Controls[0].Op == OpARM64CMPWconst {
 24963  			v_0 := b.Controls[0]
 24964  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24965  				break
 24966  			}
 24967  			z := v_0.Args[0]
 24968  			if z.Op != OpARM64ADD {
 24969  				break
 24970  			}
 24971  			_ = z.Args[1]
 24972  			z_0 := z.Args[0]
 24973  			z_1 := z.Args[1]
 24974  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24975  				x := z_0
 24976  				y := z_1
 24977  				if !(z.Uses == 1) {
 24978  					continue
 24979  				}
 24980  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24981  				v0.AddArg2(x, y)
 24982  				b.resetWithControl(BlockARM64LEnoov, v0)
 24983  				return true
 24984  			}
 24985  			break
 24986  		}
 24987  		// match: (LE (CMPconst [0] z:(MADD a x y)) yes no)
 24988  		// cond: z.Uses==1
 24989  		// result: (LEnoov (CMN a (MUL <x.Type> x y)) yes no)
 24990  		for b.Controls[0].Op == OpARM64CMPconst {
 24991  			v_0 := b.Controls[0]
 24992  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24993  				break
 24994  			}
 24995  			z := v_0.Args[0]
 24996  			if z.Op != OpARM64MADD {
 24997  				break
 24998  			}
 24999  			y := z.Args[2]
 25000  			a := z.Args[0]
 25001  			x := z.Args[1]
 25002  			if !(z.Uses == 1) {
 25003  				break
 25004  			}
 25005  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25006  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25007  			v1.AddArg2(x, y)
 25008  			v0.AddArg2(a, v1)
 25009  			b.resetWithControl(BlockARM64LEnoov, v0)
 25010  			return true
 25011  		}
 25012  		// match: (LE (CMPconst [0] z:(MSUB a x y)) yes no)
 25013  		// cond: z.Uses==1
 25014  		// result: (LEnoov (CMP a (MUL <x.Type> x y)) yes no)
 25015  		for b.Controls[0].Op == OpARM64CMPconst {
 25016  			v_0 := b.Controls[0]
 25017  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25018  				break
 25019  			}
 25020  			z := v_0.Args[0]
 25021  			if z.Op != OpARM64MSUB {
 25022  				break
 25023  			}
 25024  			y := z.Args[2]
 25025  			a := z.Args[0]
 25026  			x := z.Args[1]
 25027  			if !(z.Uses == 1) {
 25028  				break
 25029  			}
 25030  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 25031  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25032  			v1.AddArg2(x, y)
 25033  			v0.AddArg2(a, v1)
 25034  			b.resetWithControl(BlockARM64LEnoov, v0)
 25035  			return true
 25036  		}
 25037  		// match: (LE (CMPWconst [0] z:(MADDW a x y)) yes no)
 25038  		// cond: z.Uses==1
 25039  		// result: (LEnoov (CMNW a (MULW <x.Type> x y)) yes no)
 25040  		for b.Controls[0].Op == OpARM64CMPWconst {
 25041  			v_0 := b.Controls[0]
 25042  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25043  				break
 25044  			}
 25045  			z := v_0.Args[0]
 25046  			if z.Op != OpARM64MADDW {
 25047  				break
 25048  			}
 25049  			y := z.Args[2]
 25050  			a := z.Args[0]
 25051  			x := z.Args[1]
 25052  			if !(z.Uses == 1) {
 25053  				break
 25054  			}
 25055  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25056  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25057  			v1.AddArg2(x, y)
 25058  			v0.AddArg2(a, v1)
 25059  			b.resetWithControl(BlockARM64LEnoov, v0)
 25060  			return true
 25061  		}
 25062  		// match: (LE (CMPWconst [0] z:(MSUBW a x y)) yes no)
 25063  		// cond: z.Uses==1
 25064  		// result: (LEnoov (CMPW a (MULW <x.Type> x y)) yes no)
 25065  		for b.Controls[0].Op == OpARM64CMPWconst {
 25066  			v_0 := b.Controls[0]
 25067  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25068  				break
 25069  			}
 25070  			z := v_0.Args[0]
 25071  			if z.Op != OpARM64MSUBW {
 25072  				break
 25073  			}
 25074  			y := z.Args[2]
 25075  			a := z.Args[0]
 25076  			x := z.Args[1]
 25077  			if !(z.Uses == 1) {
 25078  				break
 25079  			}
 25080  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 25081  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25082  			v1.AddArg2(x, y)
 25083  			v0.AddArg2(a, v1)
 25084  			b.resetWithControl(BlockARM64LEnoov, v0)
 25085  			return true
 25086  		}
 25087  		// match: (LE (FlagConstant [fc]) yes no)
 25088  		// cond: fc.le()
 25089  		// result: (First yes no)
 25090  		for b.Controls[0].Op == OpARM64FlagConstant {
 25091  			v_0 := b.Controls[0]
 25092  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25093  			if !(fc.le()) {
 25094  				break
 25095  			}
 25096  			b.Reset(BlockFirst)
 25097  			return true
 25098  		}
 25099  		// match: (LE (FlagConstant [fc]) yes no)
 25100  		// cond: !fc.le()
 25101  		// result: (First no yes)
 25102  		for b.Controls[0].Op == OpARM64FlagConstant {
 25103  			v_0 := b.Controls[0]
 25104  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25105  			if !(!fc.le()) {
 25106  				break
 25107  			}
 25108  			b.Reset(BlockFirst)
 25109  			b.swapSuccessors()
 25110  			return true
 25111  		}
 25112  		// match: (LE (InvertFlags cmp) yes no)
 25113  		// result: (GE cmp yes no)
 25114  		for b.Controls[0].Op == OpARM64InvertFlags {
 25115  			v_0 := b.Controls[0]
 25116  			cmp := v_0.Args[0]
 25117  			b.resetWithControl(BlockARM64GE, cmp)
 25118  			return true
 25119  		}
 25120  	case BlockARM64LEnoov:
 25121  		// match: (LEnoov (FlagConstant [fc]) yes no)
 25122  		// cond: fc.leNoov()
 25123  		// result: (First yes no)
 25124  		for b.Controls[0].Op == OpARM64FlagConstant {
 25125  			v_0 := b.Controls[0]
 25126  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25127  			if !(fc.leNoov()) {
 25128  				break
 25129  			}
 25130  			b.Reset(BlockFirst)
 25131  			return true
 25132  		}
 25133  		// match: (LEnoov (FlagConstant [fc]) yes no)
 25134  		// cond: !fc.leNoov()
 25135  		// result: (First no yes)
 25136  		for b.Controls[0].Op == OpARM64FlagConstant {
 25137  			v_0 := b.Controls[0]
 25138  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25139  			if !(!fc.leNoov()) {
 25140  				break
 25141  			}
 25142  			b.Reset(BlockFirst)
 25143  			b.swapSuccessors()
 25144  			return true
 25145  		}
 25146  		// match: (LEnoov (InvertFlags cmp) yes no)
 25147  		// result: (GEnoov cmp yes no)
 25148  		for b.Controls[0].Op == OpARM64InvertFlags {
 25149  			v_0 := b.Controls[0]
 25150  			cmp := v_0.Args[0]
 25151  			b.resetWithControl(BlockARM64GEnoov, cmp)
 25152  			return true
 25153  		}
 25154  	case BlockARM64LT:
 25155  		// match: (LT (CMPconst [0] z:(AND x y)) yes no)
 25156  		// cond: z.Uses == 1
 25157  		// result: (LT (TST x y) yes no)
 25158  		for b.Controls[0].Op == OpARM64CMPconst {
 25159  			v_0 := b.Controls[0]
 25160  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25161  				break
 25162  			}
 25163  			z := v_0.Args[0]
 25164  			if z.Op != OpARM64AND {
 25165  				break
 25166  			}
 25167  			_ = z.Args[1]
 25168  			z_0 := z.Args[0]
 25169  			z_1 := z.Args[1]
 25170  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25171  				x := z_0
 25172  				y := z_1
 25173  				if !(z.Uses == 1) {
 25174  					continue
 25175  				}
 25176  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 25177  				v0.AddArg2(x, y)
 25178  				b.resetWithControl(BlockARM64LT, v0)
 25179  				return true
 25180  			}
 25181  			break
 25182  		}
 25183  		// match: (LT (CMPconst [0] x:(ANDconst [c] y)) yes no)
 25184  		// cond: x.Uses == 1
 25185  		// result: (LT (TSTconst [c] y) yes no)
 25186  		for b.Controls[0].Op == OpARM64CMPconst {
 25187  			v_0 := b.Controls[0]
 25188  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25189  				break
 25190  			}
 25191  			x := v_0.Args[0]
 25192  			if x.Op != OpARM64ANDconst {
 25193  				break
 25194  			}
 25195  			c := auxIntToInt64(x.AuxInt)
 25196  			y := x.Args[0]
 25197  			if !(x.Uses == 1) {
 25198  				break
 25199  			}
 25200  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 25201  			v0.AuxInt = int64ToAuxInt(c)
 25202  			v0.AddArg(y)
 25203  			b.resetWithControl(BlockARM64LT, v0)
 25204  			return true
 25205  		}
 25206  		// match: (LT (CMPWconst [0] z:(AND x y)) yes no)
 25207  		// cond: z.Uses == 1
 25208  		// result: (LT (TSTW x y) yes no)
 25209  		for b.Controls[0].Op == OpARM64CMPWconst {
 25210  			v_0 := b.Controls[0]
 25211  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25212  				break
 25213  			}
 25214  			z := v_0.Args[0]
 25215  			if z.Op != OpARM64AND {
 25216  				break
 25217  			}
 25218  			_ = z.Args[1]
 25219  			z_0 := z.Args[0]
 25220  			z_1 := z.Args[1]
 25221  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25222  				x := z_0
 25223  				y := z_1
 25224  				if !(z.Uses == 1) {
 25225  					continue
 25226  				}
 25227  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 25228  				v0.AddArg2(x, y)
 25229  				b.resetWithControl(BlockARM64LT, v0)
 25230  				return true
 25231  			}
 25232  			break
 25233  		}
 25234  		// match: (LT (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 25235  		// cond: x.Uses == 1
 25236  		// result: (LT (TSTWconst [int32(c)] y) yes no)
 25237  		for b.Controls[0].Op == OpARM64CMPWconst {
 25238  			v_0 := b.Controls[0]
 25239  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25240  				break
 25241  			}
 25242  			x := v_0.Args[0]
 25243  			if x.Op != OpARM64ANDconst {
 25244  				break
 25245  			}
 25246  			c := auxIntToInt64(x.AuxInt)
 25247  			y := x.Args[0]
 25248  			if !(x.Uses == 1) {
 25249  				break
 25250  			}
 25251  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 25252  			v0.AuxInt = int32ToAuxInt(int32(c))
 25253  			v0.AddArg(y)
 25254  			b.resetWithControl(BlockARM64LT, v0)
 25255  			return true
 25256  		}
 25257  		// match: (LT (CMPconst [0] x:(ADDconst [c] y)) yes no)
 25258  		// cond: x.Uses == 1
 25259  		// result: (LTnoov (CMNconst [c] y) yes no)
 25260  		for b.Controls[0].Op == OpARM64CMPconst {
 25261  			v_0 := b.Controls[0]
 25262  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25263  				break
 25264  			}
 25265  			x := v_0.Args[0]
 25266  			if x.Op != OpARM64ADDconst {
 25267  				break
 25268  			}
 25269  			c := auxIntToInt64(x.AuxInt)
 25270  			y := x.Args[0]
 25271  			if !(x.Uses == 1) {
 25272  				break
 25273  			}
 25274  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 25275  			v0.AuxInt = int64ToAuxInt(c)
 25276  			v0.AddArg(y)
 25277  			b.resetWithControl(BlockARM64LTnoov, v0)
 25278  			return true
 25279  		}
 25280  		// match: (LT (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 25281  		// cond: x.Uses == 1
 25282  		// result: (LTnoov (CMNWconst [int32(c)] y) yes no)
 25283  		for b.Controls[0].Op == OpARM64CMPWconst {
 25284  			v_0 := b.Controls[0]
 25285  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25286  				break
 25287  			}
 25288  			x := v_0.Args[0]
 25289  			if x.Op != OpARM64ADDconst {
 25290  				break
 25291  			}
 25292  			c := auxIntToInt64(x.AuxInt)
 25293  			y := x.Args[0]
 25294  			if !(x.Uses == 1) {
 25295  				break
 25296  			}
 25297  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 25298  			v0.AuxInt = int32ToAuxInt(int32(c))
 25299  			v0.AddArg(y)
 25300  			b.resetWithControl(BlockARM64LTnoov, v0)
 25301  			return true
 25302  		}
 25303  		// match: (LT (CMPconst [0] z:(ADD x y)) yes no)
 25304  		// cond: z.Uses == 1
 25305  		// result: (LTnoov (CMN x y) yes no)
 25306  		for b.Controls[0].Op == OpARM64CMPconst {
 25307  			v_0 := b.Controls[0]
 25308  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25309  				break
 25310  			}
 25311  			z := v_0.Args[0]
 25312  			if z.Op != OpARM64ADD {
 25313  				break
 25314  			}
 25315  			_ = z.Args[1]
 25316  			z_0 := z.Args[0]
 25317  			z_1 := z.Args[1]
 25318  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25319  				x := z_0
 25320  				y := z_1
 25321  				if !(z.Uses == 1) {
 25322  					continue
 25323  				}
 25324  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25325  				v0.AddArg2(x, y)
 25326  				b.resetWithControl(BlockARM64LTnoov, v0)
 25327  				return true
 25328  			}
 25329  			break
 25330  		}
 25331  		// match: (LT (CMPWconst [0] z:(ADD x y)) yes no)
 25332  		// cond: z.Uses == 1
 25333  		// result: (LTnoov (CMNW x y) yes no)
 25334  		for b.Controls[0].Op == OpARM64CMPWconst {
 25335  			v_0 := b.Controls[0]
 25336  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25337  				break
 25338  			}
 25339  			z := v_0.Args[0]
 25340  			if z.Op != OpARM64ADD {
 25341  				break
 25342  			}
 25343  			_ = z.Args[1]
 25344  			z_0 := z.Args[0]
 25345  			z_1 := z.Args[1]
 25346  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25347  				x := z_0
 25348  				y := z_1
 25349  				if !(z.Uses == 1) {
 25350  					continue
 25351  				}
 25352  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25353  				v0.AddArg2(x, y)
 25354  				b.resetWithControl(BlockARM64LTnoov, v0)
 25355  				return true
 25356  			}
 25357  			break
 25358  		}
 25359  		// match: (LT (CMPconst [0] z:(MADD a x y)) yes no)
 25360  		// cond: z.Uses==1
 25361  		// result: (LTnoov (CMN a (MUL <x.Type> x y)) yes no)
 25362  		for b.Controls[0].Op == OpARM64CMPconst {
 25363  			v_0 := b.Controls[0]
 25364  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25365  				break
 25366  			}
 25367  			z := v_0.Args[0]
 25368  			if z.Op != OpARM64MADD {
 25369  				break
 25370  			}
 25371  			y := z.Args[2]
 25372  			a := z.Args[0]
 25373  			x := z.Args[1]
 25374  			if !(z.Uses == 1) {
 25375  				break
 25376  			}
 25377  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25378  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25379  			v1.AddArg2(x, y)
 25380  			v0.AddArg2(a, v1)
 25381  			b.resetWithControl(BlockARM64LTnoov, v0)
 25382  			return true
 25383  		}
 25384  		// match: (LT (CMPconst [0] z:(MSUB a x y)) yes no)
 25385  		// cond: z.Uses==1
 25386  		// result: (LTnoov (CMP a (MUL <x.Type> x y)) yes no)
 25387  		for b.Controls[0].Op == OpARM64CMPconst {
 25388  			v_0 := b.Controls[0]
 25389  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25390  				break
 25391  			}
 25392  			z := v_0.Args[0]
 25393  			if z.Op != OpARM64MSUB {
 25394  				break
 25395  			}
 25396  			y := z.Args[2]
 25397  			a := z.Args[0]
 25398  			x := z.Args[1]
 25399  			if !(z.Uses == 1) {
 25400  				break
 25401  			}
 25402  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 25403  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25404  			v1.AddArg2(x, y)
 25405  			v0.AddArg2(a, v1)
 25406  			b.resetWithControl(BlockARM64LTnoov, v0)
 25407  			return true
 25408  		}
 25409  		// match: (LT (CMPWconst [0] z:(MADDW a x y)) yes no)
 25410  		// cond: z.Uses==1
 25411  		// result: (LTnoov (CMNW a (MULW <x.Type> x y)) yes no)
 25412  		for b.Controls[0].Op == OpARM64CMPWconst {
 25413  			v_0 := b.Controls[0]
 25414  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25415  				break
 25416  			}
 25417  			z := v_0.Args[0]
 25418  			if z.Op != OpARM64MADDW {
 25419  				break
 25420  			}
 25421  			y := z.Args[2]
 25422  			a := z.Args[0]
 25423  			x := z.Args[1]
 25424  			if !(z.Uses == 1) {
 25425  				break
 25426  			}
 25427  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25428  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25429  			v1.AddArg2(x, y)
 25430  			v0.AddArg2(a, v1)
 25431  			b.resetWithControl(BlockARM64LTnoov, v0)
 25432  			return true
 25433  		}
 25434  		// match: (LT (CMPWconst [0] z:(MSUBW a x y)) yes no)
 25435  		// cond: z.Uses==1
 25436  		// result: (LTnoov (CMPW a (MULW <x.Type> x y)) yes no)
 25437  		for b.Controls[0].Op == OpARM64CMPWconst {
 25438  			v_0 := b.Controls[0]
 25439  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25440  				break
 25441  			}
 25442  			z := v_0.Args[0]
 25443  			if z.Op != OpARM64MSUBW {
 25444  				break
 25445  			}
 25446  			y := z.Args[2]
 25447  			a := z.Args[0]
 25448  			x := z.Args[1]
 25449  			if !(z.Uses == 1) {
 25450  				break
 25451  			}
 25452  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 25453  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25454  			v1.AddArg2(x, y)
 25455  			v0.AddArg2(a, v1)
 25456  			b.resetWithControl(BlockARM64LTnoov, v0)
 25457  			return true
 25458  		}
 25459  		// match: (LT (CMPWconst [0] x) yes no)
 25460  		// result: (TBNZ [31] x yes no)
 25461  		for b.Controls[0].Op == OpARM64CMPWconst {
 25462  			v_0 := b.Controls[0]
 25463  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25464  				break
 25465  			}
 25466  			x := v_0.Args[0]
 25467  			b.resetWithControl(BlockARM64TBNZ, x)
 25468  			b.AuxInt = int64ToAuxInt(31)
 25469  			return true
 25470  		}
 25471  		// match: (LT (CMPconst [0] x) yes no)
 25472  		// result: (TBNZ [63] x yes no)
 25473  		for b.Controls[0].Op == OpARM64CMPconst {
 25474  			v_0 := b.Controls[0]
 25475  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25476  				break
 25477  			}
 25478  			x := v_0.Args[0]
 25479  			b.resetWithControl(BlockARM64TBNZ, x)
 25480  			b.AuxInt = int64ToAuxInt(63)
 25481  			return true
 25482  		}
 25483  		// match: (LT (FlagConstant [fc]) yes no)
 25484  		// cond: fc.lt()
 25485  		// result: (First yes no)
 25486  		for b.Controls[0].Op == OpARM64FlagConstant {
 25487  			v_0 := b.Controls[0]
 25488  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25489  			if !(fc.lt()) {
 25490  				break
 25491  			}
 25492  			b.Reset(BlockFirst)
 25493  			return true
 25494  		}
 25495  		// match: (LT (FlagConstant [fc]) yes no)
 25496  		// cond: !fc.lt()
 25497  		// result: (First no yes)
 25498  		for b.Controls[0].Op == OpARM64FlagConstant {
 25499  			v_0 := b.Controls[0]
 25500  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25501  			if !(!fc.lt()) {
 25502  				break
 25503  			}
 25504  			b.Reset(BlockFirst)
 25505  			b.swapSuccessors()
 25506  			return true
 25507  		}
 25508  		// match: (LT (InvertFlags cmp) yes no)
 25509  		// result: (GT cmp yes no)
 25510  		for b.Controls[0].Op == OpARM64InvertFlags {
 25511  			v_0 := b.Controls[0]
 25512  			cmp := v_0.Args[0]
 25513  			b.resetWithControl(BlockARM64GT, cmp)
 25514  			return true
 25515  		}
 25516  	case BlockARM64LTnoov:
 25517  		// match: (LTnoov (FlagConstant [fc]) yes no)
 25518  		// cond: fc.ltNoov()
 25519  		// result: (First yes no)
 25520  		for b.Controls[0].Op == OpARM64FlagConstant {
 25521  			v_0 := b.Controls[0]
 25522  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25523  			if !(fc.ltNoov()) {
 25524  				break
 25525  			}
 25526  			b.Reset(BlockFirst)
 25527  			return true
 25528  		}
 25529  		// match: (LTnoov (FlagConstant [fc]) yes no)
 25530  		// cond: !fc.ltNoov()
 25531  		// result: (First no yes)
 25532  		for b.Controls[0].Op == OpARM64FlagConstant {
 25533  			v_0 := b.Controls[0]
 25534  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25535  			if !(!fc.ltNoov()) {
 25536  				break
 25537  			}
 25538  			b.Reset(BlockFirst)
 25539  			b.swapSuccessors()
 25540  			return true
 25541  		}
 25542  		// match: (LTnoov (InvertFlags cmp) yes no)
 25543  		// result: (GTnoov cmp yes no)
 25544  		for b.Controls[0].Op == OpARM64InvertFlags {
 25545  			v_0 := b.Controls[0]
 25546  			cmp := v_0.Args[0]
 25547  			b.resetWithControl(BlockARM64GTnoov, cmp)
 25548  			return true
 25549  		}
 25550  	case BlockARM64NE:
 25551  		// match: (NE (CMPconst [0] z:(AND x y)) yes no)
 25552  		// cond: z.Uses == 1
 25553  		// result: (NE (TST x y) yes no)
 25554  		for b.Controls[0].Op == OpARM64CMPconst {
 25555  			v_0 := b.Controls[0]
 25556  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25557  				break
 25558  			}
 25559  			z := v_0.Args[0]
 25560  			if z.Op != OpARM64AND {
 25561  				break
 25562  			}
 25563  			_ = z.Args[1]
 25564  			z_0 := z.Args[0]
 25565  			z_1 := z.Args[1]
 25566  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25567  				x := z_0
 25568  				y := z_1
 25569  				if !(z.Uses == 1) {
 25570  					continue
 25571  				}
 25572  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 25573  				v0.AddArg2(x, y)
 25574  				b.resetWithControl(BlockARM64NE, v0)
 25575  				return true
 25576  			}
 25577  			break
 25578  		}
 25579  		// match: (NE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 25580  		// cond: x.Uses == 1
 25581  		// result: (NE (TSTconst [c] y) yes no)
 25582  		for b.Controls[0].Op == OpARM64CMPconst {
 25583  			v_0 := b.Controls[0]
 25584  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25585  				break
 25586  			}
 25587  			x := v_0.Args[0]
 25588  			if x.Op != OpARM64ANDconst {
 25589  				break
 25590  			}
 25591  			c := auxIntToInt64(x.AuxInt)
 25592  			y := x.Args[0]
 25593  			if !(x.Uses == 1) {
 25594  				break
 25595  			}
 25596  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 25597  			v0.AuxInt = int64ToAuxInt(c)
 25598  			v0.AddArg(y)
 25599  			b.resetWithControl(BlockARM64NE, v0)
 25600  			return true
 25601  		}
 25602  		// match: (NE (CMPWconst [0] z:(AND x y)) yes no)
 25603  		// cond: z.Uses == 1
 25604  		// result: (NE (TSTW x y) yes no)
 25605  		for b.Controls[0].Op == OpARM64CMPWconst {
 25606  			v_0 := b.Controls[0]
 25607  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25608  				break
 25609  			}
 25610  			z := v_0.Args[0]
 25611  			if z.Op != OpARM64AND {
 25612  				break
 25613  			}
 25614  			_ = z.Args[1]
 25615  			z_0 := z.Args[0]
 25616  			z_1 := z.Args[1]
 25617  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25618  				x := z_0
 25619  				y := z_1
 25620  				if !(z.Uses == 1) {
 25621  					continue
 25622  				}
 25623  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 25624  				v0.AddArg2(x, y)
 25625  				b.resetWithControl(BlockARM64NE, v0)
 25626  				return true
 25627  			}
 25628  			break
 25629  		}
 25630  		// match: (NE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 25631  		// cond: x.Uses == 1
 25632  		// result: (NE (TSTWconst [int32(c)] y) yes no)
 25633  		for b.Controls[0].Op == OpARM64CMPWconst {
 25634  			v_0 := b.Controls[0]
 25635  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25636  				break
 25637  			}
 25638  			x := v_0.Args[0]
 25639  			if x.Op != OpARM64ANDconst {
 25640  				break
 25641  			}
 25642  			c := auxIntToInt64(x.AuxInt)
 25643  			y := x.Args[0]
 25644  			if !(x.Uses == 1) {
 25645  				break
 25646  			}
 25647  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 25648  			v0.AuxInt = int32ToAuxInt(int32(c))
 25649  			v0.AddArg(y)
 25650  			b.resetWithControl(BlockARM64NE, v0)
 25651  			return true
 25652  		}
 25653  		// match: (NE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 25654  		// cond: x.Uses == 1
 25655  		// result: (NE (CMNconst [c] y) yes no)
 25656  		for b.Controls[0].Op == OpARM64CMPconst {
 25657  			v_0 := b.Controls[0]
 25658  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25659  				break
 25660  			}
 25661  			x := v_0.Args[0]
 25662  			if x.Op != OpARM64ADDconst {
 25663  				break
 25664  			}
 25665  			c := auxIntToInt64(x.AuxInt)
 25666  			y := x.Args[0]
 25667  			if !(x.Uses == 1) {
 25668  				break
 25669  			}
 25670  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 25671  			v0.AuxInt = int64ToAuxInt(c)
 25672  			v0.AddArg(y)
 25673  			b.resetWithControl(BlockARM64NE, v0)
 25674  			return true
 25675  		}
 25676  		// match: (NE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 25677  		// cond: x.Uses == 1
 25678  		// result: (NE (CMNWconst [int32(c)] y) yes no)
 25679  		for b.Controls[0].Op == OpARM64CMPWconst {
 25680  			v_0 := b.Controls[0]
 25681  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25682  				break
 25683  			}
 25684  			x := v_0.Args[0]
 25685  			if x.Op != OpARM64ADDconst {
 25686  				break
 25687  			}
 25688  			c := auxIntToInt64(x.AuxInt)
 25689  			y := x.Args[0]
 25690  			if !(x.Uses == 1) {
 25691  				break
 25692  			}
 25693  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 25694  			v0.AuxInt = int32ToAuxInt(int32(c))
 25695  			v0.AddArg(y)
 25696  			b.resetWithControl(BlockARM64NE, v0)
 25697  			return true
 25698  		}
 25699  		// match: (NE (CMPconst [0] z:(ADD x y)) yes no)
 25700  		// cond: z.Uses == 1
 25701  		// result: (NE (CMN x y) yes no)
 25702  		for b.Controls[0].Op == OpARM64CMPconst {
 25703  			v_0 := b.Controls[0]
 25704  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25705  				break
 25706  			}
 25707  			z := v_0.Args[0]
 25708  			if z.Op != OpARM64ADD {
 25709  				break
 25710  			}
 25711  			_ = z.Args[1]
 25712  			z_0 := z.Args[0]
 25713  			z_1 := z.Args[1]
 25714  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25715  				x := z_0
 25716  				y := z_1
 25717  				if !(z.Uses == 1) {
 25718  					continue
 25719  				}
 25720  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25721  				v0.AddArg2(x, y)
 25722  				b.resetWithControl(BlockARM64NE, v0)
 25723  				return true
 25724  			}
 25725  			break
 25726  		}
 25727  		// match: (NE (CMPWconst [0] z:(ADD x y)) yes no)
 25728  		// cond: z.Uses == 1
 25729  		// result: (NE (CMNW x y) yes no)
 25730  		for b.Controls[0].Op == OpARM64CMPWconst {
 25731  			v_0 := b.Controls[0]
 25732  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25733  				break
 25734  			}
 25735  			z := v_0.Args[0]
 25736  			if z.Op != OpARM64ADD {
 25737  				break
 25738  			}
 25739  			_ = z.Args[1]
 25740  			z_0 := z.Args[0]
 25741  			z_1 := z.Args[1]
 25742  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25743  				x := z_0
 25744  				y := z_1
 25745  				if !(z.Uses == 1) {
 25746  					continue
 25747  				}
 25748  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25749  				v0.AddArg2(x, y)
 25750  				b.resetWithControl(BlockARM64NE, v0)
 25751  				return true
 25752  			}
 25753  			break
 25754  		}
 25755  		// match: (NE (CMP x z:(NEG y)) yes no)
 25756  		// cond: z.Uses == 1
 25757  		// result: (NE (CMN x y) yes no)
 25758  		for b.Controls[0].Op == OpARM64CMP {
 25759  			v_0 := b.Controls[0]
 25760  			_ = v_0.Args[1]
 25761  			x := v_0.Args[0]
 25762  			z := v_0.Args[1]
 25763  			if z.Op != OpARM64NEG {
 25764  				break
 25765  			}
 25766  			y := z.Args[0]
 25767  			if !(z.Uses == 1) {
 25768  				break
 25769  			}
 25770  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25771  			v0.AddArg2(x, y)
 25772  			b.resetWithControl(BlockARM64NE, v0)
 25773  			return true
 25774  		}
 25775  		// match: (NE (CMPW x z:(NEG y)) yes no)
 25776  		// cond: z.Uses == 1
 25777  		// result: (NE (CMNW x y) yes no)
 25778  		for b.Controls[0].Op == OpARM64CMPW {
 25779  			v_0 := b.Controls[0]
 25780  			_ = v_0.Args[1]
 25781  			x := v_0.Args[0]
 25782  			z := v_0.Args[1]
 25783  			if z.Op != OpARM64NEG {
 25784  				break
 25785  			}
 25786  			y := z.Args[0]
 25787  			if !(z.Uses == 1) {
 25788  				break
 25789  			}
 25790  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25791  			v0.AddArg2(x, y)
 25792  			b.resetWithControl(BlockARM64NE, v0)
 25793  			return true
 25794  		}
 25795  		// match: (NE (CMPconst [0] x) yes no)
 25796  		// result: (NZ x yes no)
 25797  		for b.Controls[0].Op == OpARM64CMPconst {
 25798  			v_0 := b.Controls[0]
 25799  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25800  				break
 25801  			}
 25802  			x := v_0.Args[0]
 25803  			b.resetWithControl(BlockARM64NZ, x)
 25804  			return true
 25805  		}
 25806  		// match: (NE (CMPWconst [0] x) yes no)
 25807  		// result: (NZW x yes no)
 25808  		for b.Controls[0].Op == OpARM64CMPWconst {
 25809  			v_0 := b.Controls[0]
 25810  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25811  				break
 25812  			}
 25813  			x := v_0.Args[0]
 25814  			b.resetWithControl(BlockARM64NZW, x)
 25815  			return true
 25816  		}
 25817  		// match: (NE (CMPconst [0] z:(MADD a x y)) yes no)
 25818  		// cond: z.Uses==1
 25819  		// result: (NE (CMN a (MUL <x.Type> x y)) yes no)
 25820  		for b.Controls[0].Op == OpARM64CMPconst {
 25821  			v_0 := b.Controls[0]
 25822  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25823  				break
 25824  			}
 25825  			z := v_0.Args[0]
 25826  			if z.Op != OpARM64MADD {
 25827  				break
 25828  			}
 25829  			y := z.Args[2]
 25830  			a := z.Args[0]
 25831  			x := z.Args[1]
 25832  			if !(z.Uses == 1) {
 25833  				break
 25834  			}
 25835  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25836  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25837  			v1.AddArg2(x, y)
 25838  			v0.AddArg2(a, v1)
 25839  			b.resetWithControl(BlockARM64NE, v0)
 25840  			return true
 25841  		}
 25842  		// match: (NE (CMPconst [0] z:(MSUB a x y)) yes no)
 25843  		// cond: z.Uses==1
 25844  		// result: (NE (CMP a (MUL <x.Type> x y)) yes no)
 25845  		for b.Controls[0].Op == OpARM64CMPconst {
 25846  			v_0 := b.Controls[0]
 25847  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25848  				break
 25849  			}
 25850  			z := v_0.Args[0]
 25851  			if z.Op != OpARM64MSUB {
 25852  				break
 25853  			}
 25854  			y := z.Args[2]
 25855  			a := z.Args[0]
 25856  			x := z.Args[1]
 25857  			if !(z.Uses == 1) {
 25858  				break
 25859  			}
 25860  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 25861  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25862  			v1.AddArg2(x, y)
 25863  			v0.AddArg2(a, v1)
 25864  			b.resetWithControl(BlockARM64NE, v0)
 25865  			return true
 25866  		}
 25867  		// match: (NE (CMPWconst [0] z:(MADDW a x y)) yes no)
 25868  		// cond: z.Uses==1
 25869  		// result: (NE (CMNW a (MULW <x.Type> x y)) yes no)
 25870  		for b.Controls[0].Op == OpARM64CMPWconst {
 25871  			v_0 := b.Controls[0]
 25872  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25873  				break
 25874  			}
 25875  			z := v_0.Args[0]
 25876  			if z.Op != OpARM64MADDW {
 25877  				break
 25878  			}
 25879  			y := z.Args[2]
 25880  			a := z.Args[0]
 25881  			x := z.Args[1]
 25882  			if !(z.Uses == 1) {
 25883  				break
 25884  			}
 25885  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25886  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25887  			v1.AddArg2(x, y)
 25888  			v0.AddArg2(a, v1)
 25889  			b.resetWithControl(BlockARM64NE, v0)
 25890  			return true
 25891  		}
 25892  		// match: (NE (CMPWconst [0] z:(MSUBW a x y)) yes no)
 25893  		// cond: z.Uses==1
 25894  		// result: (NE (CMPW a (MULW <x.Type> x y)) yes no)
 25895  		for b.Controls[0].Op == OpARM64CMPWconst {
 25896  			v_0 := b.Controls[0]
 25897  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25898  				break
 25899  			}
 25900  			z := v_0.Args[0]
 25901  			if z.Op != OpARM64MSUBW {
 25902  				break
 25903  			}
 25904  			y := z.Args[2]
 25905  			a := z.Args[0]
 25906  			x := z.Args[1]
 25907  			if !(z.Uses == 1) {
 25908  				break
 25909  			}
 25910  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 25911  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25912  			v1.AddArg2(x, y)
 25913  			v0.AddArg2(a, v1)
 25914  			b.resetWithControl(BlockARM64NE, v0)
 25915  			return true
 25916  		}
 25917  		// match: (NE (TSTconst [c] x) yes no)
 25918  		// cond: oneBit(c)
 25919  		// result: (TBNZ [int64(ntz64(c))] x yes no)
 25920  		for b.Controls[0].Op == OpARM64TSTconst {
 25921  			v_0 := b.Controls[0]
 25922  			c := auxIntToInt64(v_0.AuxInt)
 25923  			x := v_0.Args[0]
 25924  			if !(oneBit(c)) {
 25925  				break
 25926  			}
 25927  			b.resetWithControl(BlockARM64TBNZ, x)
 25928  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 25929  			return true
 25930  		}
 25931  		// match: (NE (TSTWconst [c] x) yes no)
 25932  		// cond: oneBit(int64(uint32(c)))
 25933  		// result: (TBNZ [int64(ntz64(int64(uint32(c))))] x yes no)
 25934  		for b.Controls[0].Op == OpARM64TSTWconst {
 25935  			v_0 := b.Controls[0]
 25936  			c := auxIntToInt32(v_0.AuxInt)
 25937  			x := v_0.Args[0]
 25938  			if !(oneBit(int64(uint32(c)))) {
 25939  				break
 25940  			}
 25941  			b.resetWithControl(BlockARM64TBNZ, x)
 25942  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 25943  			return true
 25944  		}
 25945  		// match: (NE (FlagConstant [fc]) yes no)
 25946  		// cond: fc.ne()
 25947  		// result: (First yes no)
 25948  		for b.Controls[0].Op == OpARM64FlagConstant {
 25949  			v_0 := b.Controls[0]
 25950  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25951  			if !(fc.ne()) {
 25952  				break
 25953  			}
 25954  			b.Reset(BlockFirst)
 25955  			return true
 25956  		}
 25957  		// match: (NE (FlagConstant [fc]) yes no)
 25958  		// cond: !fc.ne()
 25959  		// result: (First no yes)
 25960  		for b.Controls[0].Op == OpARM64FlagConstant {
 25961  			v_0 := b.Controls[0]
 25962  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25963  			if !(!fc.ne()) {
 25964  				break
 25965  			}
 25966  			b.Reset(BlockFirst)
 25967  			b.swapSuccessors()
 25968  			return true
 25969  		}
 25970  		// match: (NE (InvertFlags cmp) yes no)
 25971  		// result: (NE cmp yes no)
 25972  		for b.Controls[0].Op == OpARM64InvertFlags {
 25973  			v_0 := b.Controls[0]
 25974  			cmp := v_0.Args[0]
 25975  			b.resetWithControl(BlockARM64NE, cmp)
 25976  			return true
 25977  		}
 25978  	case BlockARM64NZ:
 25979  		// match: (NZ (Equal cc) yes no)
 25980  		// result: (EQ cc yes no)
 25981  		for b.Controls[0].Op == OpARM64Equal {
 25982  			v_0 := b.Controls[0]
 25983  			cc := v_0.Args[0]
 25984  			b.resetWithControl(BlockARM64EQ, cc)
 25985  			return true
 25986  		}
 25987  		// match: (NZ (NotEqual cc) yes no)
 25988  		// result: (NE cc yes no)
 25989  		for b.Controls[0].Op == OpARM64NotEqual {
 25990  			v_0 := b.Controls[0]
 25991  			cc := v_0.Args[0]
 25992  			b.resetWithControl(BlockARM64NE, cc)
 25993  			return true
 25994  		}
 25995  		// match: (NZ (LessThan cc) yes no)
 25996  		// result: (LT cc yes no)
 25997  		for b.Controls[0].Op == OpARM64LessThan {
 25998  			v_0 := b.Controls[0]
 25999  			cc := v_0.Args[0]
 26000  			b.resetWithControl(BlockARM64LT, cc)
 26001  			return true
 26002  		}
 26003  		// match: (NZ (LessThanU cc) yes no)
 26004  		// result: (ULT cc yes no)
 26005  		for b.Controls[0].Op == OpARM64LessThanU {
 26006  			v_0 := b.Controls[0]
 26007  			cc := v_0.Args[0]
 26008  			b.resetWithControl(BlockARM64ULT, cc)
 26009  			return true
 26010  		}
 26011  		// match: (NZ (LessEqual cc) yes no)
 26012  		// result: (LE cc yes no)
 26013  		for b.Controls[0].Op == OpARM64LessEqual {
 26014  			v_0 := b.Controls[0]
 26015  			cc := v_0.Args[0]
 26016  			b.resetWithControl(BlockARM64LE, cc)
 26017  			return true
 26018  		}
 26019  		// match: (NZ (LessEqualU cc) yes no)
 26020  		// result: (ULE cc yes no)
 26021  		for b.Controls[0].Op == OpARM64LessEqualU {
 26022  			v_0 := b.Controls[0]
 26023  			cc := v_0.Args[0]
 26024  			b.resetWithControl(BlockARM64ULE, cc)
 26025  			return true
 26026  		}
 26027  		// match: (NZ (GreaterThan cc) yes no)
 26028  		// result: (GT cc yes no)
 26029  		for b.Controls[0].Op == OpARM64GreaterThan {
 26030  			v_0 := b.Controls[0]
 26031  			cc := v_0.Args[0]
 26032  			b.resetWithControl(BlockARM64GT, cc)
 26033  			return true
 26034  		}
 26035  		// match: (NZ (GreaterThanU cc) yes no)
 26036  		// result: (UGT cc yes no)
 26037  		for b.Controls[0].Op == OpARM64GreaterThanU {
 26038  			v_0 := b.Controls[0]
 26039  			cc := v_0.Args[0]
 26040  			b.resetWithControl(BlockARM64UGT, cc)
 26041  			return true
 26042  		}
 26043  		// match: (NZ (GreaterEqual cc) yes no)
 26044  		// result: (GE cc yes no)
 26045  		for b.Controls[0].Op == OpARM64GreaterEqual {
 26046  			v_0 := b.Controls[0]
 26047  			cc := v_0.Args[0]
 26048  			b.resetWithControl(BlockARM64GE, cc)
 26049  			return true
 26050  		}
 26051  		// match: (NZ (GreaterEqualU cc) yes no)
 26052  		// result: (UGE cc yes no)
 26053  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 26054  			v_0 := b.Controls[0]
 26055  			cc := v_0.Args[0]
 26056  			b.resetWithControl(BlockARM64UGE, cc)
 26057  			return true
 26058  		}
 26059  		// match: (NZ (LessThanF cc) yes no)
 26060  		// result: (FLT cc yes no)
 26061  		for b.Controls[0].Op == OpARM64LessThanF {
 26062  			v_0 := b.Controls[0]
 26063  			cc := v_0.Args[0]
 26064  			b.resetWithControl(BlockARM64FLT, cc)
 26065  			return true
 26066  		}
 26067  		// match: (NZ (LessEqualF cc) yes no)
 26068  		// result: (FLE cc yes no)
 26069  		for b.Controls[0].Op == OpARM64LessEqualF {
 26070  			v_0 := b.Controls[0]
 26071  			cc := v_0.Args[0]
 26072  			b.resetWithControl(BlockARM64FLE, cc)
 26073  			return true
 26074  		}
 26075  		// match: (NZ (GreaterThanF cc) yes no)
 26076  		// result: (FGT cc yes no)
 26077  		for b.Controls[0].Op == OpARM64GreaterThanF {
 26078  			v_0 := b.Controls[0]
 26079  			cc := v_0.Args[0]
 26080  			b.resetWithControl(BlockARM64FGT, cc)
 26081  			return true
 26082  		}
 26083  		// match: (NZ (GreaterEqualF cc) yes no)
 26084  		// result: (FGE cc yes no)
 26085  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 26086  			v_0 := b.Controls[0]
 26087  			cc := v_0.Args[0]
 26088  			b.resetWithControl(BlockARM64FGE, cc)
 26089  			return true
 26090  		}
 26091  		// match: (NZ (ANDconst [c] x) yes no)
 26092  		// cond: oneBit(c)
 26093  		// result: (TBNZ [int64(ntz64(c))] x yes no)
 26094  		for b.Controls[0].Op == OpARM64ANDconst {
 26095  			v_0 := b.Controls[0]
 26096  			c := auxIntToInt64(v_0.AuxInt)
 26097  			x := v_0.Args[0]
 26098  			if !(oneBit(c)) {
 26099  				break
 26100  			}
 26101  			b.resetWithControl(BlockARM64TBNZ, x)
 26102  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 26103  			return true
 26104  		}
 26105  		// match: (NZ (MOVDconst [0]) yes no)
 26106  		// result: (First no yes)
 26107  		for b.Controls[0].Op == OpARM64MOVDconst {
 26108  			v_0 := b.Controls[0]
 26109  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26110  				break
 26111  			}
 26112  			b.Reset(BlockFirst)
 26113  			b.swapSuccessors()
 26114  			return true
 26115  		}
 26116  		// match: (NZ (MOVDconst [c]) yes no)
 26117  		// cond: c != 0
 26118  		// result: (First yes no)
 26119  		for b.Controls[0].Op == OpARM64MOVDconst {
 26120  			v_0 := b.Controls[0]
 26121  			c := auxIntToInt64(v_0.AuxInt)
 26122  			if !(c != 0) {
 26123  				break
 26124  			}
 26125  			b.Reset(BlockFirst)
 26126  			return true
 26127  		}
 26128  	case BlockARM64NZW:
 26129  		// match: (NZW (ANDconst [c] x) yes no)
 26130  		// cond: oneBit(int64(uint32(c)))
 26131  		// result: (TBNZ [int64(ntz64(int64(uint32(c))))] x yes no)
 26132  		for b.Controls[0].Op == OpARM64ANDconst {
 26133  			v_0 := b.Controls[0]
 26134  			c := auxIntToInt64(v_0.AuxInt)
 26135  			x := v_0.Args[0]
 26136  			if !(oneBit(int64(uint32(c)))) {
 26137  				break
 26138  			}
 26139  			b.resetWithControl(BlockARM64TBNZ, x)
 26140  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 26141  			return true
 26142  		}
 26143  		// match: (NZW (MOVDconst [c]) yes no)
 26144  		// cond: int32(c) == 0
 26145  		// result: (First no yes)
 26146  		for b.Controls[0].Op == OpARM64MOVDconst {
 26147  			v_0 := b.Controls[0]
 26148  			c := auxIntToInt64(v_0.AuxInt)
 26149  			if !(int32(c) == 0) {
 26150  				break
 26151  			}
 26152  			b.Reset(BlockFirst)
 26153  			b.swapSuccessors()
 26154  			return true
 26155  		}
 26156  		// match: (NZW (MOVDconst [c]) yes no)
 26157  		// cond: int32(c) != 0
 26158  		// result: (First yes no)
 26159  		for b.Controls[0].Op == OpARM64MOVDconst {
 26160  			v_0 := b.Controls[0]
 26161  			c := auxIntToInt64(v_0.AuxInt)
 26162  			if !(int32(c) != 0) {
 26163  				break
 26164  			}
 26165  			b.Reset(BlockFirst)
 26166  			return true
 26167  		}
 26168  	case BlockARM64TBNZ:
 26169  		// match: (TBNZ [0] (Equal cc) yes no)
 26170  		// result: (EQ cc yes no)
 26171  		for b.Controls[0].Op == OpARM64Equal {
 26172  			v_0 := b.Controls[0]
 26173  			cc := v_0.Args[0]
 26174  			if auxIntToInt64(b.AuxInt) != 0 {
 26175  				break
 26176  			}
 26177  			b.resetWithControl(BlockARM64EQ, cc)
 26178  			return true
 26179  		}
 26180  		// match: (TBNZ [0] (NotEqual cc) yes no)
 26181  		// result: (NE cc yes no)
 26182  		for b.Controls[0].Op == OpARM64NotEqual {
 26183  			v_0 := b.Controls[0]
 26184  			cc := v_0.Args[0]
 26185  			if auxIntToInt64(b.AuxInt) != 0 {
 26186  				break
 26187  			}
 26188  			b.resetWithControl(BlockARM64NE, cc)
 26189  			return true
 26190  		}
 26191  		// match: (TBNZ [0] (LessThan cc) yes no)
 26192  		// result: (LT cc yes no)
 26193  		for b.Controls[0].Op == OpARM64LessThan {
 26194  			v_0 := b.Controls[0]
 26195  			cc := v_0.Args[0]
 26196  			if auxIntToInt64(b.AuxInt) != 0 {
 26197  				break
 26198  			}
 26199  			b.resetWithControl(BlockARM64LT, cc)
 26200  			return true
 26201  		}
 26202  		// match: (TBNZ [0] (LessThanU cc) yes no)
 26203  		// result: (ULT cc yes no)
 26204  		for b.Controls[0].Op == OpARM64LessThanU {
 26205  			v_0 := b.Controls[0]
 26206  			cc := v_0.Args[0]
 26207  			if auxIntToInt64(b.AuxInt) != 0 {
 26208  				break
 26209  			}
 26210  			b.resetWithControl(BlockARM64ULT, cc)
 26211  			return true
 26212  		}
 26213  		// match: (TBNZ [0] (LessEqual cc) yes no)
 26214  		// result: (LE cc yes no)
 26215  		for b.Controls[0].Op == OpARM64LessEqual {
 26216  			v_0 := b.Controls[0]
 26217  			cc := v_0.Args[0]
 26218  			if auxIntToInt64(b.AuxInt) != 0 {
 26219  				break
 26220  			}
 26221  			b.resetWithControl(BlockARM64LE, cc)
 26222  			return true
 26223  		}
 26224  		// match: (TBNZ [0] (LessEqualU cc) yes no)
 26225  		// result: (ULE cc yes no)
 26226  		for b.Controls[0].Op == OpARM64LessEqualU {
 26227  			v_0 := b.Controls[0]
 26228  			cc := v_0.Args[0]
 26229  			if auxIntToInt64(b.AuxInt) != 0 {
 26230  				break
 26231  			}
 26232  			b.resetWithControl(BlockARM64ULE, cc)
 26233  			return true
 26234  		}
 26235  		// match: (TBNZ [0] (GreaterThan cc) yes no)
 26236  		// result: (GT cc yes no)
 26237  		for b.Controls[0].Op == OpARM64GreaterThan {
 26238  			v_0 := b.Controls[0]
 26239  			cc := v_0.Args[0]
 26240  			if auxIntToInt64(b.AuxInt) != 0 {
 26241  				break
 26242  			}
 26243  			b.resetWithControl(BlockARM64GT, cc)
 26244  			return true
 26245  		}
 26246  		// match: (TBNZ [0] (GreaterThanU cc) yes no)
 26247  		// result: (UGT cc yes no)
 26248  		for b.Controls[0].Op == OpARM64GreaterThanU {
 26249  			v_0 := b.Controls[0]
 26250  			cc := v_0.Args[0]
 26251  			if auxIntToInt64(b.AuxInt) != 0 {
 26252  				break
 26253  			}
 26254  			b.resetWithControl(BlockARM64UGT, cc)
 26255  			return true
 26256  		}
 26257  		// match: (TBNZ [0] (GreaterEqual cc) yes no)
 26258  		// result: (GE cc yes no)
 26259  		for b.Controls[0].Op == OpARM64GreaterEqual {
 26260  			v_0 := b.Controls[0]
 26261  			cc := v_0.Args[0]
 26262  			if auxIntToInt64(b.AuxInt) != 0 {
 26263  				break
 26264  			}
 26265  			b.resetWithControl(BlockARM64GE, cc)
 26266  			return true
 26267  		}
 26268  		// match: (TBNZ [0] (GreaterEqualU cc) yes no)
 26269  		// result: (UGE cc yes no)
 26270  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 26271  			v_0 := b.Controls[0]
 26272  			cc := v_0.Args[0]
 26273  			if auxIntToInt64(b.AuxInt) != 0 {
 26274  				break
 26275  			}
 26276  			b.resetWithControl(BlockARM64UGE, cc)
 26277  			return true
 26278  		}
 26279  		// match: (TBNZ [0] (LessThanF cc) yes no)
 26280  		// result: (FLT cc yes no)
 26281  		for b.Controls[0].Op == OpARM64LessThanF {
 26282  			v_0 := b.Controls[0]
 26283  			cc := v_0.Args[0]
 26284  			if auxIntToInt64(b.AuxInt) != 0 {
 26285  				break
 26286  			}
 26287  			b.resetWithControl(BlockARM64FLT, cc)
 26288  			return true
 26289  		}
 26290  		// match: (TBNZ [0] (LessEqualF cc) yes no)
 26291  		// result: (FLE cc yes no)
 26292  		for b.Controls[0].Op == OpARM64LessEqualF {
 26293  			v_0 := b.Controls[0]
 26294  			cc := v_0.Args[0]
 26295  			if auxIntToInt64(b.AuxInt) != 0 {
 26296  				break
 26297  			}
 26298  			b.resetWithControl(BlockARM64FLE, cc)
 26299  			return true
 26300  		}
 26301  		// match: (TBNZ [0] (GreaterThanF cc) yes no)
 26302  		// result: (FGT cc yes no)
 26303  		for b.Controls[0].Op == OpARM64GreaterThanF {
 26304  			v_0 := b.Controls[0]
 26305  			cc := v_0.Args[0]
 26306  			if auxIntToInt64(b.AuxInt) != 0 {
 26307  				break
 26308  			}
 26309  			b.resetWithControl(BlockARM64FGT, cc)
 26310  			return true
 26311  		}
 26312  		// match: (TBNZ [0] (GreaterEqualF cc) yes no)
 26313  		// result: (FGE cc yes no)
 26314  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 26315  			v_0 := b.Controls[0]
 26316  			cc := v_0.Args[0]
 26317  			if auxIntToInt64(b.AuxInt) != 0 {
 26318  				break
 26319  			}
 26320  			b.resetWithControl(BlockARM64FGE, cc)
 26321  			return true
 26322  		}
 26323  	case BlockARM64UGE:
 26324  		// match: (UGE (FlagConstant [fc]) yes no)
 26325  		// cond: fc.uge()
 26326  		// result: (First yes no)
 26327  		for b.Controls[0].Op == OpARM64FlagConstant {
 26328  			v_0 := b.Controls[0]
 26329  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26330  			if !(fc.uge()) {
 26331  				break
 26332  			}
 26333  			b.Reset(BlockFirst)
 26334  			return true
 26335  		}
 26336  		// match: (UGE (FlagConstant [fc]) yes no)
 26337  		// cond: !fc.uge()
 26338  		// result: (First no yes)
 26339  		for b.Controls[0].Op == OpARM64FlagConstant {
 26340  			v_0 := b.Controls[0]
 26341  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26342  			if !(!fc.uge()) {
 26343  				break
 26344  			}
 26345  			b.Reset(BlockFirst)
 26346  			b.swapSuccessors()
 26347  			return true
 26348  		}
 26349  		// match: (UGE (InvertFlags cmp) yes no)
 26350  		// result: (ULE cmp yes no)
 26351  		for b.Controls[0].Op == OpARM64InvertFlags {
 26352  			v_0 := b.Controls[0]
 26353  			cmp := v_0.Args[0]
 26354  			b.resetWithControl(BlockARM64ULE, cmp)
 26355  			return true
 26356  		}
 26357  	case BlockARM64UGT:
 26358  		// match: (UGT (FlagConstant [fc]) yes no)
 26359  		// cond: fc.ugt()
 26360  		// result: (First yes no)
 26361  		for b.Controls[0].Op == OpARM64FlagConstant {
 26362  			v_0 := b.Controls[0]
 26363  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26364  			if !(fc.ugt()) {
 26365  				break
 26366  			}
 26367  			b.Reset(BlockFirst)
 26368  			return true
 26369  		}
 26370  		// match: (UGT (FlagConstant [fc]) yes no)
 26371  		// cond: !fc.ugt()
 26372  		// result: (First no yes)
 26373  		for b.Controls[0].Op == OpARM64FlagConstant {
 26374  			v_0 := b.Controls[0]
 26375  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26376  			if !(!fc.ugt()) {
 26377  				break
 26378  			}
 26379  			b.Reset(BlockFirst)
 26380  			b.swapSuccessors()
 26381  			return true
 26382  		}
 26383  		// match: (UGT (InvertFlags cmp) yes no)
 26384  		// result: (ULT cmp yes no)
 26385  		for b.Controls[0].Op == OpARM64InvertFlags {
 26386  			v_0 := b.Controls[0]
 26387  			cmp := v_0.Args[0]
 26388  			b.resetWithControl(BlockARM64ULT, cmp)
 26389  			return true
 26390  		}
 26391  	case BlockARM64ULE:
 26392  		// match: (ULE (FlagConstant [fc]) yes no)
 26393  		// cond: fc.ule()
 26394  		// result: (First yes no)
 26395  		for b.Controls[0].Op == OpARM64FlagConstant {
 26396  			v_0 := b.Controls[0]
 26397  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26398  			if !(fc.ule()) {
 26399  				break
 26400  			}
 26401  			b.Reset(BlockFirst)
 26402  			return true
 26403  		}
 26404  		// match: (ULE (FlagConstant [fc]) yes no)
 26405  		// cond: !fc.ule()
 26406  		// result: (First no yes)
 26407  		for b.Controls[0].Op == OpARM64FlagConstant {
 26408  			v_0 := b.Controls[0]
 26409  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26410  			if !(!fc.ule()) {
 26411  				break
 26412  			}
 26413  			b.Reset(BlockFirst)
 26414  			b.swapSuccessors()
 26415  			return true
 26416  		}
 26417  		// match: (ULE (InvertFlags cmp) yes no)
 26418  		// result: (UGE cmp yes no)
 26419  		for b.Controls[0].Op == OpARM64InvertFlags {
 26420  			v_0 := b.Controls[0]
 26421  			cmp := v_0.Args[0]
 26422  			b.resetWithControl(BlockARM64UGE, cmp)
 26423  			return true
 26424  		}
 26425  	case BlockARM64ULT:
 26426  		// match: (ULT (FlagConstant [fc]) yes no)
 26427  		// cond: fc.ult()
 26428  		// result: (First yes no)
 26429  		for b.Controls[0].Op == OpARM64FlagConstant {
 26430  			v_0 := b.Controls[0]
 26431  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26432  			if !(fc.ult()) {
 26433  				break
 26434  			}
 26435  			b.Reset(BlockFirst)
 26436  			return true
 26437  		}
 26438  		// match: (ULT (FlagConstant [fc]) yes no)
 26439  		// cond: !fc.ult()
 26440  		// result: (First no yes)
 26441  		for b.Controls[0].Op == OpARM64FlagConstant {
 26442  			v_0 := b.Controls[0]
 26443  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26444  			if !(!fc.ult()) {
 26445  				break
 26446  			}
 26447  			b.Reset(BlockFirst)
 26448  			b.swapSuccessors()
 26449  			return true
 26450  		}
 26451  		// match: (ULT (InvertFlags cmp) yes no)
 26452  		// result: (UGT cmp yes no)
 26453  		for b.Controls[0].Op == OpARM64InvertFlags {
 26454  			v_0 := b.Controls[0]
 26455  			cmp := v_0.Args[0]
 26456  			b.resetWithControl(BlockARM64UGT, cmp)
 26457  			return true
 26458  		}
 26459  	case BlockARM64Z:
 26460  		// match: (Z (ANDconst [c] x) yes no)
 26461  		// cond: oneBit(c)
 26462  		// result: (TBZ [int64(ntz64(c))] x yes no)
 26463  		for b.Controls[0].Op == OpARM64ANDconst {
 26464  			v_0 := b.Controls[0]
 26465  			c := auxIntToInt64(v_0.AuxInt)
 26466  			x := v_0.Args[0]
 26467  			if !(oneBit(c)) {
 26468  				break
 26469  			}
 26470  			b.resetWithControl(BlockARM64TBZ, x)
 26471  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 26472  			return true
 26473  		}
 26474  		// match: (Z (MOVDconst [0]) yes no)
 26475  		// result: (First yes no)
 26476  		for b.Controls[0].Op == OpARM64MOVDconst {
 26477  			v_0 := b.Controls[0]
 26478  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26479  				break
 26480  			}
 26481  			b.Reset(BlockFirst)
 26482  			return true
 26483  		}
 26484  		// match: (Z (MOVDconst [c]) yes no)
 26485  		// cond: c != 0
 26486  		// result: (First no yes)
 26487  		for b.Controls[0].Op == OpARM64MOVDconst {
 26488  			v_0 := b.Controls[0]
 26489  			c := auxIntToInt64(v_0.AuxInt)
 26490  			if !(c != 0) {
 26491  				break
 26492  			}
 26493  			b.Reset(BlockFirst)
 26494  			b.swapSuccessors()
 26495  			return true
 26496  		}
 26497  	case BlockARM64ZW:
 26498  		// match: (ZW (ANDconst [c] x) yes no)
 26499  		// cond: oneBit(int64(uint32(c)))
 26500  		// result: (TBZ [int64(ntz64(int64(uint32(c))))] x yes no)
 26501  		for b.Controls[0].Op == OpARM64ANDconst {
 26502  			v_0 := b.Controls[0]
 26503  			c := auxIntToInt64(v_0.AuxInt)
 26504  			x := v_0.Args[0]
 26505  			if !(oneBit(int64(uint32(c)))) {
 26506  				break
 26507  			}
 26508  			b.resetWithControl(BlockARM64TBZ, x)
 26509  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 26510  			return true
 26511  		}
 26512  		// match: (ZW (MOVDconst [c]) yes no)
 26513  		// cond: int32(c) == 0
 26514  		// result: (First yes no)
 26515  		for b.Controls[0].Op == OpARM64MOVDconst {
 26516  			v_0 := b.Controls[0]
 26517  			c := auxIntToInt64(v_0.AuxInt)
 26518  			if !(int32(c) == 0) {
 26519  				break
 26520  			}
 26521  			b.Reset(BlockFirst)
 26522  			return true
 26523  		}
 26524  		// match: (ZW (MOVDconst [c]) yes no)
 26525  		// cond: int32(c) != 0
 26526  		// result: (First no yes)
 26527  		for b.Controls[0].Op == OpARM64MOVDconst {
 26528  			v_0 := b.Controls[0]
 26529  			c := auxIntToInt64(v_0.AuxInt)
 26530  			if !(int32(c) != 0) {
 26531  				break
 26532  			}
 26533  			b.Reset(BlockFirst)
 26534  			b.swapSuccessors()
 26535  			return true
 26536  		}
 26537  	}
 26538  	return false
 26539  }
 26540