71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
// Copyright (c) 2017 Minio Inc. All rights reserved.
|
|
// Use of this source code is governed by a license that can be
|
|
// found in the LICENSE file.
|
|
|
|
//go:build amd64 && !gccgo && !appengine && !nacl && !noasm
|
|
// +build amd64,!gccgo,!appengine,!nacl,!noasm
|
|
|
|
package highwayhash
|
|
|
|
import "golang.org/x/sys/cpu"
|
|
|
|
var (
|
|
useSSE4 = cpu.X86.HasSSE41
|
|
useAVX2 = cpu.X86.HasAVX2
|
|
useNEON = false
|
|
useSVE = false
|
|
useSVE2 = false
|
|
useVMX = false
|
|
)
|
|
|
|
//go:noescape
|
|
func initializeSSE4(state *[16]uint64, key []byte)
|
|
|
|
//go:noescape
|
|
func initializeAVX2(state *[16]uint64, key []byte)
|
|
|
|
//go:noescape
|
|
func updateSSE4(state *[16]uint64, msg []byte)
|
|
|
|
//go:noescape
|
|
func updateAVX2(state *[16]uint64, msg []byte)
|
|
|
|
//go:noescape
|
|
func finalizeSSE4(out []byte, state *[16]uint64)
|
|
|
|
//go:noescape
|
|
func finalizeAVX2(out []byte, state *[16]uint64)
|
|
|
|
func initialize(state *[16]uint64, key []byte) {
|
|
switch {
|
|
case useAVX2:
|
|
initializeAVX2(state, key)
|
|
case useSSE4:
|
|
initializeSSE4(state, key)
|
|
default:
|
|
initializeGeneric(state, key)
|
|
}
|
|
}
|
|
|
|
func update(state *[16]uint64, msg []byte) {
|
|
switch {
|
|
case useAVX2:
|
|
updateAVX2(state, msg)
|
|
case useSSE4:
|
|
updateSSE4(state, msg)
|
|
default:
|
|
updateGeneric(state, msg)
|
|
}
|
|
}
|
|
|
|
func finalize(out []byte, state *[16]uint64) {
|
|
switch {
|
|
case useAVX2:
|
|
finalizeAVX2(out, state)
|
|
case useSSE4:
|
|
finalizeSSE4(out, state)
|
|
default:
|
|
finalizeGeneric(out, state)
|
|
}
|
|
}
|