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40 lines
971 B
Go
40 lines
971 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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var (
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useSSE4 = supportSSE4()
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useSSSE3 = supportSSSE3()
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useSSE2 = true // Always available on amd64
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)
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//go:noescape
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func supportSSSE3() bool
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//go:noescape
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func supportSSE4() bool
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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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if useSSE4 {
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hashBlocksSSE4(h, c, flag, blocks)
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} else if useSSSE3 {
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hashBlocksSSSE3(h, c, flag, blocks)
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} else if useSSE2 {
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hashBlocksSSE2(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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