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cpu
Dosya Düzenle: cpu_x86.s
// Copyright 2017 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. //go:build 386 || amd64 #include "textflag.h" // func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32) TEXT ·cpuid(SB), NOSPLIT, $0-24 MOVL eaxArg+0(FP), AX MOVL ecxArg+4(FP), CX CPUID MOVL AX, eax+8(FP) MOVL BX, ebx+12(FP) MOVL CX, ecx+16(FP) MOVL DX, edx+20(FP) RET // func xgetbv() (eax, edx uint32) TEXT ·xgetbv(SB),NOSPLIT,$0-8 MOVL $0, CX XGETBV MOVL AX, eax+0(FP) MOVL DX, edx+4(FP) RET // func getGOAMD64level() int32 TEXT ·getGOAMD64level(SB),NOSPLIT,$0-4 #ifdef GOAMD64_v4 MOVL $4, ret+0(FP) #else #ifdef GOAMD64_v3 MOVL $3, ret+0(FP) #else #ifdef GOAMD64_v2 MOVL $2, ret+0(FP) #else MOVL $1, ret+0(FP) #endif #endif #endif RET
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