| // 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 路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 路xgetbv(SB),NOSPLIT,$0-8 | |
| MOVL $0, CX | |
| XGETBV | |
| MOVL AX, eax+0(FP) | |
| MOVL DX, edx+4(FP) | |
| RET | |
| // func getGOAMD64level() int32 | |
| TEXT 路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 | |