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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
| commit | ccd992355df7192993c666236047820244914598 (patch) | |
| tree | f00fea65147227b7743083c6148396f74cd66935 /src/runtime/asm_amd64.h | |
| parent | Initial commit. (diff) | |
| download | golang-1.21-ccd992355df7192993c666236047820244914598.tar.xz golang-1.21-ccd992355df7192993c666236047820244914598.zip | |
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/runtime/asm_amd64.h')
| -rw-r--r-- | src/runtime/asm_amd64.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/runtime/asm_amd64.h b/src/runtime/asm_amd64.h new file mode 100644 index 0000000..f7a8896 --- /dev/null +++ b/src/runtime/asm_amd64.h @@ -0,0 +1,25 @@ +// Copyright 2021 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. + +// Define features that are guaranteed to be supported by setting the AMD64 variable. +// If a feature is supported, there's no need to check it at runtime every time. + +#ifdef GOAMD64_v2 +#define hasPOPCNT +#define hasSSE42 +#endif + +#ifdef GOAMD64_v3 +#define hasAVX +#define hasAVX2 +#define hasPOPCNT +#define hasSSE42 +#endif + +#ifdef GOAMD64_v4 +#define hasAVX +#define hasAVX2 +#define hasPOPCNT +#define hasSSE42 +#endif |