From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Wed, 19 Aug 2020 00:46:55 +0000 (-0700)
Subject: Store hash_mask in local variable for insert_string loop.
X-Git-Tag: 1.9.9-b1~95
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=38e5e4b20c204fb16a1026c754c5b320f27395b4;p=thirdparty%2Fzlib-ng.git

Store hash_mask in local variable for insert_string loop.
---

diff --git a/insert_string_tpl.h b/insert_string_tpl.h
index 4900010c..00aad32d 100644
--- a/insert_string_tpl.h
+++ b/insert_string_tpl.h
@@ -64,6 +64,7 @@ ZLIB_INTERNAL Pos INSERT_STRING(deflate_state *const s, const uint32_t str, uint
     Pos idx, ret = 0;
     uint8_t *strstart = s->window + str;
     uint8_t *strend = strstart + count - 1; /* last position */
+    uint32_t hash_mask = s->hash_mask;
 
     for (idx = str; strstart <= strend; idx++, strstart++) {
         uint32_t val, hm, h = 0;
@@ -78,7 +79,7 @@ ZLIB_INTERNAL Pos INSERT_STRING(deflate_state *const s, const uint32_t str, uint
 #endif
 
         UPDATE_HASH(s, h, val);
-        hm = h & s->hash_mask;
+        hm = h & hash_mask;
 
         Pos head = s->head[hm];
         if (head != idx) {