diff options
Diffstat (limited to 'vendor/github.com/minio/sha256-simd/cpuid_amd64.s')
| -rw-r--r-- | vendor/github.com/minio/sha256-simd/cpuid_amd64.s | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/vendor/github.com/minio/sha256-simd/cpuid_amd64.s b/vendor/github.com/minio/sha256-simd/cpuid_amd64.s new file mode 100644 index 000000000..b0f414748 --- /dev/null +++ b/vendor/github.com/minio/sha256-simd/cpuid_amd64.s @@ -0,0 +1,53 @@ +// The MIT License (MIT) +// +// Copyright (c) 2015 Klaus Post +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +// +build amd64,!gccgo + +// func cpuid(op uint32) (eax, ebx, ecx, edx uint32) +TEXT ·cpuid(SB), 7, $0 + XORQ CX, CX + MOVL op+0(FP), AX + CPUID + MOVL AX, eax+8(FP) + MOVL BX, ebx+12(FP) + MOVL CX, ecx+16(FP) + MOVL DX, edx+20(FP) + RET + +// func cpuidex(op, op2 uint32) (eax, ebx, ecx, edx uint32) +TEXT ·cpuidex(SB), 7, $0 + MOVL op+0(FP), AX + MOVL op2+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(index uint32) (eax, edx uint32) +TEXT ·xgetbv(SB), 7, $0 + MOVL index+0(FP), CX + BYTE $0x0f; BYTE $0x01; BYTE $0xd0 // XGETBV + MOVL AX, eax+8(FP) + MOVL DX, edx+12(FP) + RET |