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Text file src/crypto/internal/cipherhw/asm_amd64.s

Documentation: crypto/internal/cipherhw

     1	// Copyright 2016 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	// +build amd64,!gccgo,!appengine
     6	
     7	#include "textflag.h"
     8	
     9	// func hasAESNI() bool
    10	TEXT ·hasAESNI(SB),NOSPLIT,$0
    11		XORQ AX, AX
    12		INCL AX
    13		CPUID
    14		SHRQ $25, CX
    15		ANDQ $1, CX
    16		MOVB CX, ret+0(FP)
    17		RET

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