26 lines
572 B
C
26 lines
572 B
C
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Define features that are guaranteed to be supported by setting the AMD64 variable.
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// If a feature is supported, there's no need to check it at runtime every time.
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#ifdef GOAMD64_v2
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#define hasPOPCNT
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#define hasSSE42
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#endif
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#ifdef GOAMD64_v3
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#define hasAVX
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#define hasAVX2
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#define hasPOPCNT
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#define hasSSE42
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#endif
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#ifdef GOAMD64_v4
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#define hasAVX
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#define hasAVX2
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#define hasPOPCNT
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#define hasSSE42
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#endif
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