1 // Copyright 2018 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
4
5 #include "../../../../../runtime/textflag.h"
6
7 TEXT asmtest(SB),DUPOK|NOSPLIT,$0
8 // Instructions that were encoded with BYTE sequences.
9 // Included to simplify validation of CL that fixed that.
10 MOVQ (AX), M0 // 0f6f00
11 MOVQ M0, 8(SP) // 0f7f442408
12 MOVQ 8(SP), M0 // 0f6f442408
13 MOVQ M0, (AX) // 0f7f00
14 MOVQ M0, (BX) // 0f7f03
15 // On non-64bit arch, Go asm allowed uint32 offsets instead of int32.
16 // These tests check that property for backwards-compatibility.
17 MOVL 2147483648(AX), AX // 8b8000000080
18 MOVL -2147483648(AX), AX // 8b8000000080
19 ADDL 2147483648(AX), AX // 038000000080
20 ADDL -2147483648(AX), AX // 038000000080
21 // Make sure MOV CR/DR continues to work after changing its movtabs.
22 MOVL CR0, AX // 0f20c0
23 MOVL CR0, DX // 0f20c2
24 MOVL CR4, DI // 0f20e7
25 MOVL AX, CR0 // 0f22c0
26 MOVL DX, CR0 // 0f22c2
27 MOVL DI, CR4 // 0f22e7
28 MOVL DR0, AX // 0f21c0
29 MOVL DR6, DX // 0f21f2
30 MOVL DR7, SI // 0f21fe
31 // Test other movtab entries.
32 PUSHL SS // 16
33 PUSHL FS // 0fa0
34 POPL FS // 0fa1
35 POPL SS // 17
36
37 RDPID AX // f30fc7f8
38
39 // End of tests.
40 RET
41
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