X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Falphacpuid.pl;h=5abb82d133f0c4b1d11b30e828188df9609d8392;hp=5b0e21bc909abe9a12469c437430039ed2a82cde;hb=70c35fd1f6467da5563c6cab3ea373e6359cf080;hpb=20735f4c813c394f64a205572ba5edf5efe3b56a

diff --git a/crypto/alphacpuid.pl b/crypto/alphacpuid.pl
index 5b0e21bc90..5abb82d133 100644
--- a/crypto/alphacpuid.pl
+++ b/crypto/alphacpuid.pl
@@ -1,4 +1,15 @@
-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the Apache License 2.0 (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
+
+
+$output = pop;
+open STDOUT,">$output";
+
 print <<'___';
 .text
 
@@ -123,6 +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");
@@ -214,3 +253,5 @@ OPENSSL_instrument_bus2:
 .end	OPENSSL_instrument_bus2
 ___
 }
+
+close STDOUT;