38 lines
935 B
Go
38 lines
935 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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import "golang.org/x/sys/cpu"
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func init() {
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useAVX2 = cpu.X86.HasAVX2
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useAVX = cpu.X86.HasAVX
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useSSE4 = cpu.X86.HasSSE41
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}
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//go:noescape
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func fAVX2(h *[8]uint64, m *[16]uint64, c0, c1 uint64, flag uint64, rounds uint64)
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//go:noescape
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func fAVX(h *[8]uint64, m *[16]uint64, c0, c1 uint64, flag uint64, rounds uint64)
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//go:noescape
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func fSSE4(h *[8]uint64, m *[16]uint64, c0, c1 uint64, flag uint64, rounds uint64)
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func f(h *[8]uint64, m *[16]uint64, c0, c1 uint64, flag uint64, rounds uint64) {
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switch {
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case useAVX2:
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fAVX2(h, m, c0, c1, flag, rounds)
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case useAVX:
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fAVX(h, m, c0, c1, flag, rounds)
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case useSSE4:
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fSSE4(h, m, c0, c1, flag, rounds)
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default:
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fGeneric(h, m, c0, c1, flag, rounds)
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}
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}
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