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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  // +build amd64
     6  
     7  package sha512
     8  
     9  import "internal/cpu"
    10  
    11  //go:noescape
    12  func blockAVX2(dig *digest, p []byte)
    13  
    14  //go:noescape
    15  func blockAMD64(dig *digest, p []byte)
    16  
    17  var useAVX2 = cpu.X86.HasAVX2 && cpu.X86.HasBMI1 && cpu.X86.HasBMI2
    18  
    19  func block(dig *digest, p []byte) {
    20  	if useAVX2 {
    21  		blockAVX2(dig, p)
    22  	} else {
    23  		blockAMD64(dig, p)
    24  	}
    25  }
    26  

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