From: Anatol Belski <ab@php.net>
Date: Fri, 9 Feb 2018 16:05:28 +0000 (+0100)
Subject: Improve loop vectorization
X-Git-Tag: php-7.3.0alpha1~468^2~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e87dfb1da200b9a03eabe71bc5ee2c4d8b704c2f;p=php

Improve loop vectorization
---

diff --git a/ext/hash/hash.c b/ext/hash/hash.c
index 60299711ac..889577e87f 100644
--- a/ext/hash/hash.c
+++ b/ext/hash/hash.c
@@ -375,7 +375,7 @@ static void php_hashcontext_ctor(INTERNAL_FUNCTION_PARAMETERS, zval *objval) {
 
 	if (options & PHP_HASH_HMAC) {
 		char *K = emalloc(ops->block_size);
-		int i;
+		int i, block_size;
 
 		memset(K, 0, ops->block_size);
 
@@ -390,7 +390,8 @@ static void php_hashcontext_ctor(INTERNAL_FUNCTION_PARAMETERS, zval *objval) {
 		}
 
 		/* XOR ipad */
-		for(i=0; i < ops->block_size; i++) {
+		block_size = ops->block_size;
+		for(i=0; i < block_size; i++) {
 			K[i] ^= 0x36;
 		}
 		ops->hash_update(context, (unsigned char *) K, ops->block_size);