hanayo/vendor/golang.org/x/crypto/blake2s/blake2s_amd64.go
2019-02-23 13:29:15 +00:00

41 lines
971 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 amd64,!gccgo,!appengine
package blake2s
var (
useSSE4 = supportSSE4()
useSSSE3 = supportSSSE3()
useSSE2 = true // Always available on amd64
)
//go:noescape
func supportSSSE3() bool
//go:noescape
func supportSSE4() bool
//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) {
if useSSE4 {
hashBlocksSSE4(h, c, flag, blocks)
} else if useSSSE3 {
hashBlocksSSSE3(h, c, flag, blocks)
} else if useSSE2 {
hashBlocksSSE2(h, c, flag, blocks)
} else {
hashBlocksGeneric(h, c, flag, blocks)
}
}