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- // Copyright 2016 The Go Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style
- // license that can be found in the LICENSE file.
- // +build go1.7,amd64,!gccgo,!appengine
- package blake2b
- import "golang.org/x/sys/cpu"
- func init() {
- useAVX2 = cpu.X86.HasAVX2
- useAVX = cpu.X86.HasAVX
- useSSE4 = cpu.X86.HasSSE41
- }
- //go:noescape
- func fAVX2(h *[8]uint64, m *[16]uint64, c0, c1 uint64, flag uint64, rounds uint64)
- //go:noescape
- func fAVX(h *[8]uint64, m *[16]uint64, c0, c1 uint64, flag uint64, rounds uint64)
- //go:noescape
- func fSSE4(h *[8]uint64, m *[16]uint64, c0, c1 uint64, flag uint64, rounds uint64)
- func f(h *[8]uint64, m *[16]uint64, c0, c1 uint64, flag uint64, rounds uint64) {
- switch {
- case useAVX2:
- fAVX2(h, m, c0, c1, flag, rounds)
- case useAVX:
- fAVX(h, m, c0, c1, flag, rounds)
- case useSSE4:
- fSSE4(h, m, c0, c1, flag, rounds)
- default:
- fGeneric(h, m, c0, c1, flag, rounds)
- }
- }
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