X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Farm64cpuid.pl;h=f25c6373a4623ceff10069b601de86dc464e0ff0;hb=ac1055ef13ccb5789e2bed7b9688c8eb16dd05ce;hp=caa33875c93739e9f9645f1350078bb231bfeb69;hpb=e33826f01bd78af76e0135c8dfab3387927a82bb;p=oweals%2Fopenssl.git

diff --git a/crypto/arm64cpuid.pl b/crypto/arm64cpuid.pl
index caa33875c9..f25c6373a4 100755
--- a/crypto/arm64cpuid.pl
+++ b/crypto/arm64cpuid.pl
@@ -1,7 +1,7 @@
 #! /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
+# 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
@@ -63,6 +63,7 @@ _armv8_sha256_probe:
 	sha256su0	v0.4s, v0.4s
 	ret
 .size	_armv8_sha256_probe,.-_armv8_sha256_probe
+
 .globl	_armv8_pmull_probe
 .type	_armv8_pmull_probe,%function
 _armv8_pmull_probe:
@@ -70,6 +71,13 @@ _armv8_pmull_probe:
 	ret
 .size	_armv8_pmull_probe,.-_armv8_pmull_probe
 
+.globl	_armv8_sha512_probe
+.type	_armv8_sha512_probe,%function
+_armv8_sha512_probe:
+	.long	0xcec08000	// sha512su0	v0.2d,v0.2d
+	ret
+.size	_armv8_sha512_probe,.-_armv8_sha512_probe
+
 .globl	OPENSSL_cleanse
 .type	OPENSSL_cleanse,%function
 .align	5
@@ -107,6 +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