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- // 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)
- }
- }
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