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.

package sha1

import
go:noescape
func ( *digest,  []byte)
go:noescape
func ( *digest,  []byte)

var useAVX2 = cpu.X86.HasAVX2 && cpu.X86.HasBMI1 && cpu.X86.HasBMI2

func ( *digest,  []byte) {
blockAVX2 calculates sha1 for 2 block per iteration it also interleaves precalculation for next block. So it may read up-to 192 bytes past end of p We may add checks inside blockAVX2, but this will just turn it into a copy of blockAMD64, so call it directly, instead.
		 := len() - 128
		if %128 != 0 {
			 -= 64
		}
		blockAVX2(, [:])
		blockAMD64(, [:])
	} else {
		blockAMD64(, )
	}