Small tweaks give performance improvements.

git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1238 2f5784b3-3f2a-0410-8824-cb99058d5e15

2 files changed, 7 insertions, 6 deletions

diff --git a/ChangeLog b/ChangeLog
index fa253f1..4be672f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -21,6 +21,10 @@ Version 8.33 xx-xxxx-201x
     a specific Windows environment. Testing on Linux did also appear to show
     some benefit (and it is clearly not harmful). Also fixed the definition of
     Xop which should be unsigned. 
+    
+5.  Related to (4), changing the definition of the intermediate variable cc
+    in repeated character loops from pcre_uchar to pcre_uint32 also gave speed
+    improvements.
      
 
 Version 8.32 30-November-2012
diff --git a/pcre_exec.c b/pcre_exec.c
index 6f991f9..860b81e 100644
--- a/pcre_exec.c
+++ b/pcre_exec.c
@@ -3439,8 +3439,7 @@ for (;;)
 
       for (i = 1; i <= min; i++)
         {
-        pcre_uchar cc;
-
+        pcre_uint32 cc;                 /* Faster than pcre_uchar */
         if (eptr >= md->end_subject)
           {
           SCHECK_PARTIAL();
@@ -3455,8 +3454,7 @@ for (;;)
         {
         for (fi = min;; fi++)
           {
-          pcre_uchar cc;
-
+          pcre_uint32 cc;               /* Faster than pcre_uchar */
           RMATCH(eptr, ecode, offset_top, md, eptrb, RM24);
           if (rrc != MATCH_NOMATCH) RRETURN(rrc);
           if (fi >= max) RRETURN(MATCH_NOMATCH);
@@ -3476,8 +3474,7 @@ for (;;)
         pp = eptr;
         for (i = min; i < max; i++)
           {
-          pcre_uchar cc;
-
+          pcre_uint32 cc;               /* Faster than pcre_uchar */
           if (eptr >= md->end_subject)
             {
             SCHECK_PARTIAL();