Source File
	cpu_x86.s

Belonging Package
	internal/cpu

// 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

The pages are generated with Golds v0.6.7. (GOOS=linux GOARCH=amd64)
Golds is a Go 101 project developed by Tapir Liu.
PR and bug reports are welcome and can be submitted to the issue list.
Please follow @Go100and1 (reachable from the left QR code) to get the latest news of Golds.