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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 amd64,!gccgo,!appengine
-
- package blake2s
-
- import "golang.org/x/sys/cpu"
-
- var (
- useSSE4 = cpu.X86.HasSSE41
- useSSSE3 = cpu.X86.HasSSSE3
- useSSE2 = cpu.X86.HasSSE2
- )
-
- //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) {
- switch {
- case useSSE4:
- hashBlocksSSE4(h, c, flag, blocks)
- case useSSSE3:
- hashBlocksSSSE3(h, c, flag, blocks)
- case useSSE2:
- hashBlocksSSE2(h, c, flag, blocks)
- default:
- hashBlocksGeneric(h, c, flag, blocks)
- }
- }
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