#! /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
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:
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
cbnz x1,.Little // len!=0?
ret
.size OPENSSL_cleanse,.-OPENSSL_cleanse
+
+.globl CRYPTO_memcmp
+.type CRYPTO_memcmp,%function
+.align 4
+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
+ eor w4,w4,w5
+ orr w3,w3,w4
+ subs x2,x2,#1
+ b.ne .Loop_cmp
+
+.Lno_data:
+ neg w0,w3
+ lsr w0,w0,#31
+ ret
+.size CRYPTO_memcmp,.-CRYPTO_memcmp
___
print $code;