X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Falphacpuid.pl;h=b96975038060f31956427159abe06caf519dec8c;hb=2dee33dfb364c6e5d9339ddf9293991ec654b092;hp=6b51731b45311f3038cac54cc782e6fc87ca3b63;hpb=e0a651945cb5a70a2abd9902c0fd3e9759d35867;p=oweals%2Fopenssl.git

diff --git a/crypto/alphacpuid.pl b/crypto/alphacpuid.pl
index 6b51731b45..b969750380 100644
--- a/crypto/alphacpuid.pl
+++ b/crypto/alphacpuid.pl
@@ -1,14 +1,13 @@
 #! /usr/bin/env perl
-# Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
+# Copyright 2010-2020 The OpenSSL Project Authors. All Rights Reserved.
 #
-# Licensed under the OpenSSL license (the "License").  You may not use
+# 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
 
 
-$output = pop;
-open STDOUT,">$stdout";
+$output = pop and open STDOUT,">$output";
 
 print <<'___';
 .text
@@ -134,6 +133,34 @@ 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");
@@ -226,4 +253,4 @@ OPENSSL_instrument_bus2:
 ___
 }
 
-close STDOUT;
+close STDOUT or die "error closing STDOUT: $!";