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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
-
- import "golang.org/x/sys/cpu"
-
- func init() {
- useAVX2 = cpu.X86.HasAVX2
- useAVX = cpu.X86.HasAVX
- useSSE4 = cpu.X86.HasSSE41
- }
-
- //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) {
- switch {
- case useAVX2:
- hashBlocksAVX2(h, c, flag, blocks)
- case useAVX:
- hashBlocksAVX(h, c, flag, blocks)
- case useSSE4:
- hashBlocksSSE4(h, c, flag, blocks)
- default:
- hashBlocksGeneric(h, c, flag, blocks)
- }
- }
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