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Text file src/pkg/vendor/golang.org/x/sys/cpu/cpu_x86.s
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 // +build 386 amd64 amd64p32
6 // +build !gccgo
7
8 #include "textflag.h"
9
10 // func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32)
11 TEXT ·cpuid(SB), NOSPLIT, $0-24
12 MOVL eaxArg+0(FP), AX
13 MOVL ecxArg+4(FP), CX
14 CPUID
15 MOVL AX, eax+8(FP)
16 MOVL BX, ebx+12(FP)
17 MOVL CX, ecx+16(FP)
18 MOVL DX, edx+20(FP)
19 RET
20
21 // func xgetbv() (eax, edx uint32)
22 TEXT ·xgetbv(SB),NOSPLIT,$0-8
23 MOVL $0, CX
24 XGETBV
25 MOVL AX, eax+0(FP)
26 MOVL DX, edx+4(FP)
27 RET
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