1// Copyright 2017 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 386 amd64 amd64p32
6
7#include "textflag.h"
8
9// func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32)
10TEXT ·cpuid(SB), NOSPLIT, $0-24
11	MOVL eaxArg+0(FP), AX
12	MOVL ecxArg+4(FP), CX
13	CPUID
14	MOVL AX, eax+8(FP)
15	MOVL BX, ebx+12(FP)
16	MOVL CX, ecx+16(FP)
17	MOVL DX, edx+20(FP)
18	RET
19
20// func xgetbv() (eax, edx uint32)
21TEXT ·xgetbv(SB),NOSPLIT,$0-8
22#ifdef GOOS_nacl
23	// nacl does not support XGETBV.
24	MOVL $0, eax+0(FP)
25	MOVL $0, edx+4(FP)
26#else
27	MOVL $0, CX
28	XGETBV
29	MOVL AX, eax+0(FP)
30	MOVL DX, edx+4(FP)
31#endif
32	RET
33