Andreas Auernhammer
b0697eccbe
This reverts commit d6449816ce because of golang/go#24828.
Change-Id: I14b4e1265b2e75897fa12548dbdfb77c308afaaf
Reviewed-on: https://go-review.googlesource.com/108795
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
44 lines
996 B
Go
44 lines
996 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 go1.7,amd64,!gccgo,!appengine
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package blake2b
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func init() {
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useAVX2 = supportsAVX2()
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useAVX = supportsAVX()
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useSSE4 = supportsSSE4()
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}
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//go:noescape
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func supportsSSE4() bool
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//go:noescape
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func supportsAVX() bool
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//go:noescape
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func supportsAVX2() bool
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//go:noescape
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func hashBlocksAVX2(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
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//go:noescape
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func hashBlocksAVX(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
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//go:noescape
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func hashBlocksSSE4(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
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func hashBlocks(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) {
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if useAVX2 {
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hashBlocksAVX2(h, c, flag, blocks)
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} else if useAVX {
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hashBlocksAVX(h, c, flag, blocks)
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} else if useSSE4 {
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hashBlocksSSE4(h, c, flag, blocks)
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} else {
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hashBlocksGeneric(h, c, flag, blocks)
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}
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}
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