Source file src/crypto/sha512/sha512block_amd64.go

Documentation: crypto/sha512

		 1  // Copyright 2013 The Go Authors. All rights reserved.
		 2  // Use of this source code is governed by a BSD-style
		 3  // license that can be found in the LICENSE file.
		 4  
		 5  //go:build amd64
		 6  // +build amd64
		 7  
		 8  package sha512
		 9  
		10  import "internal/cpu"
		11  
		12  //go:noescape
		13  func blockAVX2(dig *digest, p []byte)
		14  
		15  //go:noescape
		16  func blockAMD64(dig *digest, p []byte)
		17  
		18  var useAVX2 = cpu.X86.HasAVX2 && cpu.X86.HasBMI1 && cpu.X86.HasBMI2
		19  
		20  func block(dig *digest, p []byte) {
		21  	if useAVX2 {
		22  		blockAVX2(dig, p)
		23  	} else {
		24  		blockAMD64(dig, p)
		25  	}
		26  }
		27  

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