Files
crypto/blake2s/blake2s_amd64.go
T
Austin Clements 814723eff7 blake2s: test all four hashing implementations
This adds use* flags for all arches so a common test can observe what
implementations are supported and test all supported implementations.

Change-Id: Icc9c3c1d15626e95f0446493b7fa3159bbe9567d
Reviewed-on: https://go-review.googlesource.com/31712
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Minux Ma <minux@golang.org>
Reviewed-by: Andreas Auernhammer <aead@mail.de>
2016-10-24 19:19:44 +00:00

40 lines
938 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
useGeneric = false
)
//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 {
hashBlocksSSE2(h, c, flag, blocks)
}
}