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author | Frédéric Guillot <fred@miniflux.net> | 2017-11-19 21:10:04 -0800 |
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committer | Frédéric Guillot <fred@miniflux.net> | 2017-11-19 22:01:46 -0800 |
commit | 8ffb773f43c8dc54801ca1d111854e7e881c93c9 (patch) | |
tree | 38133a2fc612597a75fed1d13e5b4042f58a2b7e /vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go |
First commit
Diffstat (limited to 'vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go')
-rw-r--r-- | vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go b/vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go new file mode 100644 index 0000000..8c41cf6 --- /dev/null +++ b/vendor/golang.org/x/crypto/blake2b/blake2bAVX2_amd64.go @@ -0,0 +1,43 @@ +// 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) + } +} |