//go:build !purego

package sha1

import "internal/cpu"

//go:noescape
func blockAVX2(dig *digest, p []byte)

//go:noescape
func blockAMD64(dig *digest, p []byte)

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

func block(dig *digest, p []byte) {
	if useAVX2 && len(p) >= 256 {
		// blockAVX2 calculates sha1 for 2 block per iteration
		// it also interleaves precalculation for next block.

//go:build !purego

package sha512

import "internal/cpu"

//go:noescape
func blockAVX2(dig *digest, p []byte)

//go:noescape
func blockAMD64(dig *digest, p []byte)

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

func block(dig *digest, p []byte) {
	if useAVX2 {
		blockAVX2(dig, p)
	} else {
		blockAMD64(dig, p)
	}