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//go:build (386 || amd64 || amd64p32) && gc
6// +build 386 amd64 amd64p32
7// +build gc
8
9#include "textflag.h"
10
11// func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32)
12TEXT ·cpuid(SB), NOSPLIT, $0-24
13	MOVL eaxArg+0(FP), AX
14	MOVL ecxArg+4(FP), CX
15	CPUID
16	MOVL AX, eax+8(FP)
17	MOVL BX, ebx+12(FP)
18	MOVL CX, ecx+16(FP)
19	MOVL DX, edx+20(FP)
20	RET
21
22// func xgetbv() (eax, edx uint32)
23TEXT ·xgetbv(SB),NOSPLIT,$0-8
24	MOVL $0, CX
25	XGETBV
26	MOVL AX, eax+0(FP)
27	MOVL DX, edx+4(FP)
28	RET
29