39 lines
936 B
Go
39 lines
936 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.
|
|
|
|
//go:build amd64 && gc && !purego
|
|
// +build amd64,gc,!purego
|
|
|
|
package blake2s
|
|
|
|
import "golang.org/x/sys/cpu"
|
|
|
|
var (
|
|
useSSE4 = cpu.X86.HasSSE41
|
|
useSSSE3 = cpu.X86.HasSSSE3
|
|
useSSE2 = cpu.X86.HasSSE2
|
|
)
|
|
|
|
//go:noescape
|
|
func hashBlocksSSE2(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte)
|
|
|
|
//go:noescape
|
|
func hashBlocksSSSE3(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte)
|
|
|
|
//go:noescape
|
|
func hashBlocksSSE4(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte)
|
|
|
|
func hashBlocks(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte) {
|
|
switch {
|
|
case useSSE4:
|
|
hashBlocksSSE4(h, c, flag, blocks)
|
|
case useSSSE3:
|
|
hashBlocksSSSE3(h, c, flag, blocks)
|
|
case useSSE2:
|
|
hashBlocksSSE2(h, c, flag, blocks)
|
|
default:
|
|
hashBlocksGeneric(h, c, flag, blocks)
|
|
}
|
|
}
|