// Copyright 2013 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 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) } }