plugeth-utils/restricted/crypto/blake2b/blake2bAVX2_amd64.go

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2021-09-13 20:12:49 +00:00
// 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)
}
}