X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Farm64cpuid.pl;h=06c8add7a07561f1f00b2e5edb6826881771ba83;hb=f61c68043d3bd2ad9718d356e7988ee2fdfc3621;hp=68734f5bedb4076a9bed32a144fe81cf4c77e238;hpb=77f3612e2bd930b27dcab63fdcca1d7091cb948d;p=oweals%2Fopenssl.git

diff --git a/crypto/arm64cpuid.pl b/crypto/arm64cpuid.pl
index 68734f5bed..06c8add7a0 100755
--- a/crypto/arm64cpuid.pl
+++ b/crypto/arm64cpuid.pl
@@ -1,5 +1,5 @@
 #! /usr/bin/env perl
-# Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+# Copyright 2015-2018 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
@@ -115,6 +115,19 @@ OPENSSL_cleanse:
 CRYPTO_memcmp:
 	eor	w3,w3,w3
 	cbz	x2,.Lno_data	// len==0?
+	cmp	x2,#16
+	b.ne	.Loop_cmp
+	ldp	x8,x9,[x0]
+	ldp	x10,x11,[x1]
+	eor	x8,x8,x10
+	eor	x9,x9,x11
+	orr	x8,x8,x9
+	mov	x0,#1
+	cmp	x8,#0
+	csel	x0,xzr,x0,eq
+	ret
+
+.align	4
 .Loop_cmp:
 	ldrb	w4,[x0],#1
 	ldrb	w5,[x1],#1