* charset.c (load_charset_map): <, not <=, for optimization.

2 files changed, 10 insertions, 7 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 084f41fc974..1e2d4fd00af 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,7 @@
 2011-04-09  Paul Eggert  <eggert@cs.ucla.edu>
 
+        * charset.c (load_charset_map): <, not <=, for optimization.
+
         * xmenu.c (set_frame_menubar): Allocate smaller local vectors.
         This also lets GCC 4.6.0 generate slightly better loop code.
 
diff --git a/src/charset.c b/src/charset.c
index 55cbfc4a399..00206cccf0b 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -317,7 +317,7 @@ load_charset_map (struct charset *charset, struct charset_map_entries *entries,
   for (i = 0; i < n_entries; i++)
     {
       unsigned from, to;
-      int from_index, to_index;
+      int from_index, to_index, lim_index;
       int from_c, to_c;
       int idx = i % 0x10000;
 
@@ -339,6 +339,7 @@ load_charset_map (struct charset *charset, struct charset_map_entries *entries,
         }
       if (from_index < 0 || to_index < 0)
         continue;
+      lim_index = to_index + 1;
 
       if (to_c > max_char)
         max_char = to_c;
@@ -348,10 +349,10 @@ load_charset_map (struct charset *charset, struct charset_map_entries *entries,
       if (control_flag == 1)
         {
           if (charset->method == CHARSET_METHOD_MAP)
-            for (; from_index <= to_index; from_index++, from_c++)
+            for (; from_index < lim_index; from_index++, from_c++)
               ASET (vec, from_index, make_number (from_c));
           else
-            for (; from_index <= to_index; from_index++, from_c++)
+            for (; from_index < lim_index; from_index++, from_c++)
               CHAR_TABLE_SET (Vchar_unify_table,
                               CHARSET_CODE_OFFSET (charset) + from_index,
                               make_number (from_c));
@@ -360,7 +361,7 @@ load_charset_map (struct charset *charset, struct charset_map_entries *entries,
         {
           if (charset->method == CHARSET_METHOD_MAP
               && CHARSET_COMPACT_CODES_P (charset))
-            for (; from_index <= to_index; from_index++, from_c++)
+            for (; from_index < lim_index; from_index++, from_c++)
               {
                 unsigned code = INDEX_TO_CODE_POINT (charset, from_index);
 
@@ -368,17 +369,17 @@ load_charset_map (struct charset *charset, struct charset_map_entries *entries,
                   CHAR_TABLE_SET (table, from_c, make_number (code));
               }
           else
-            for (; from_index <= to_index; from_index++, from_c++)
+            for (; from_index < lim_index; from_index++, from_c++)
               {
                 if (NILP (CHAR_TABLE_REF (table, from_c)))
                   CHAR_TABLE_SET (table, from_c, make_number (from_index));
               }
         }
       else if (control_flag == 3)
-        for (; from_index <= to_index; from_index++, from_c++)
+        for (; from_index < lim_index; from_index++, from_c++)
           SET_TEMP_CHARSET_WORK_DECODER (from_c, from_index);
       else if (control_flag == 4)
-        for (; from_index <= to_index; from_index++, from_c++)
+        for (; from_index < lim_index; from_index++, from_c++)
           SET_TEMP_CHARSET_WORK_ENCODER (from_c, from_index);
       else                      /* control_flag == 0 */
         {