Andreas Auernhammer
ae8bce0030
This change removes package specific CPU-feature detection code and replaces it with x/sys/cpu. Fixes golang/go#24843 Change-Id: I150dd7b3aeb8eef428c91f9b1df741ceb8a87a24 Reviewed-on: https://go-review.googlesource.com/110355 Run-TryBot: Ilya Tocar <ilya.tocar@intel.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
38 lines
909 B
Go
38 lines
909 B
Go
// Copyright 2016 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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// +build amd64,!gccgo,!appengine
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package blake2s
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import "golang.org/x/sys/cpu"
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var (
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useSSE4 = cpu.X86.HasSSE41
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useSSSE3 = cpu.X86.HasSSSE3
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useSSE2 = cpu.X86.HasSSE2
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)
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//go:noescape
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func hashBlocksSSE2(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte)
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//go:noescape
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func hashBlocksSSSE3(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte)
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//go:noescape
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func hashBlocksSSE4(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte)
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func hashBlocks(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte) {
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switch {
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case useSSE4:
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hashBlocksSSE4(h, c, flag, blocks)
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case useSSSE3:
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hashBlocksSSSE3(h, c, flag, blocks)
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case useSSE2:
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hashBlocksSSE2(h, c, flag, blocks)
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default:
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hashBlocksGeneric(h, c, flag, blocks)
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}
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}
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