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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:25:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:25:22 +0000
commitf6ad4dcef54c5ce997a4bad5a6d86de229015700 (patch)
tree7cfa4e31ace5c2bd95c72b154d15af494b2bcbef /src/runtime/asm_amd64.h
parentInitial commit. (diff)
downloadgolang-1.22-f6ad4dcef54c5ce997a4bad5a6d86de229015700.tar.xz
golang-1.22-f6ad4dcef54c5ce997a4bad5a6d86de229015700.zip
Adding upstream version 1.22.1.upstream/1.22.1
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.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/runtime/asm_amd64.h b/src/runtime/asm_amd64.h
new file mode 100644
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--- /dev/null
+++ b/src/runtime/asm_amd64.h
@@ -0,0 +1,28 @@
+// 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 hasAVX512F
+#define hasAVX512BW
+#define hasAVX512VL
+#define hasPOPCNT
+#define hasSSE42
+#endif