diff options
Diffstat (limited to 'vendor/golang.org/x/crypto/blake2s/blake2s_amd64.go')
-rw-r--r-- | vendor/golang.org/x/crypto/blake2s/blake2s_amd64.go | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/vendor/golang.org/x/crypto/blake2s/blake2s_amd64.go b/vendor/golang.org/x/crypto/blake2s/blake2s_amd64.go new file mode 100644 index 0000000..a925e6b --- /dev/null +++ b/vendor/golang.org/x/crypto/blake2s/blake2s_amd64.go @@ -0,0 +1,40 @@ +// 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) + } +} |