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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 go1.7 && amd64 && gc && !purego
// +build go1.7,amd64,gc,!purego
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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