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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.
//go:build amd64 && gc && !purego
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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