X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Falphacpuid.pl;h=6c7fd4c9dd3dd1dbd19a9c93141f44e6e6295716;hp=8af0f09d4b9524395409ac66c2bdf443bc53dda9;hb=5b748dea5dc6161d4a66d7804c580ec14e545ff7;hpb=0a4edb931b883b9973721ae012e60c028387dd50

diff --git a/crypto/alphacpuid.pl b/crypto/alphacpuid.pl
index 8af0f09d4b..6c7fd4c9dd 100644
--- a/crypto/alphacpuid.pl
+++ b/crypto/alphacpuid.pl
@@ -1,7 +1,14 @@
-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (the "License").  You may not use
+# this file except in compliance with the License.  You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
 
 $output = pop;
-open STDOUT,">$stdout";
+open STDOUT,">$output";
 
 print <<'___';
 .text
@@ -127,6 +134,34 @@ OPENSSL_cleanse:
 	bne	$17,.Little
 .Ldone: ret	($26)
 .end	OPENSSL_cleanse
+
+.globl	CRYPTO_memcmp
+.ent	CRYPTO_memcmp
+CRYPTO_memcmp:
+	.frame	$30,0,$26
+	.prologue 0
+	xor	$0,$0,$0
+	beq	$18,.Lno_data
+
+	xor	$1,$1,$1
+	nop
+.Loop_cmp:
+	ldq_u	$2,0($16)
+	subq	$18,1,$18
+	ldq_u	$3,0($17)
+	extbl	$2,$16,$2
+	lda	$16,1($16)
+	extbl	$3,$17,$3
+	lda	$17,1($17)
+	xor	$3,$2,$2
+	or	$2,$0,$0
+	bne	$18,.Loop_cmp
+
+	subq	$31,$0,$0
+	srl	$0,63,$0
+.Lno_data:
+	ret	($26)
+.end	CRYPTO_memcmp
 ___
 {
 my ($out,$cnt,$max)=("\$16","\$17","\$18");