You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
996 B
44 lines
996 B
8 years ago
|
// 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
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
useAVX2 = supportsAVX2()
|
||
|
|
useAVX = supportsAVX()
|
||
|
|
useSSE4 = supportsSSE4()
|
||
|
|
}
|
||
|
|
|
||
|
|
//go:noescape
|
||
|
|
func supportsSSE4() bool
|
||
|
|
|
||
|
|
//go:noescape
|
||
|
|
func supportsAVX() bool
|
||
|
|
|
||
|
|
//go:noescape
|
||
|
|
func supportsAVX2() bool
|
||
|
|
|
||
|
|
//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) {
|
||
|
|
if useAVX2 {
|
||
|
|
hashBlocksAVX2(h, c, flag, blocks)
|
||
|
|
} else if useAVX {
|
||
|
|
hashBlocksAVX(h, c, flag, blocks)
|
||
|
|
} else if useSSE4 {
|
||
|
|
hashBlocksSSE4(h, c, flag, blocks)
|
||
|
|
} else {
|
||
|
|
hashBlocksGeneric(h, c, flag, blocks)
|
||
|
|
}
|
||
|
|
}
|