mirror of
https://github.com/octoleo/restic.git
synced 2024-11-29 08:14:03 +00:00
38 lines
911 B
Go
38 lines
911 B
Go
// 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 hashBlocksAVX2(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
|
|
|
|
//go:noescape
|
|
func hashBlocksAVX(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
|
|
|
|
//go:noescape
|
|
func hashBlocksSSE4(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte)
|
|
|
|
func hashBlocks(h *[8]uint64, c *[2]uint64, flag uint64, blocks []byte) {
|
|
switch {
|
|
case useAVX2:
|
|
hashBlocksAVX2(h, c, flag, blocks)
|
|
case useAVX:
|
|
hashBlocksAVX(h, c, flag, blocks)
|
|
case useSSE4:
|
|
hashBlocksSSE4(h, c, flag, blocks)
|
|
default:
|
|
hashBlocksGeneric(h, c, flag, blocks)
|
|
}
|
|
}
|