Some speed improvements

heap/hp_hash.c

@@ -217,11 +217,14 @@ ulong hp_hashnr(register HP_KEYDEF *keydef, register const byte *key)
       if (seg->charset->hash_sort)
         seg->charset->hash_sort(seg->charset,pos,((uchar*)key)-pos,&nr,&nr2);
       else
-      for (; pos < (uchar*) key ; pos++)
       {
-	nr^=(ulong) ((((uint) nr & 63)+nr2) * 
-		     ((uint) seg->charset->sort_order[(uint) *pos])) + (nr << 8);
-	nr2+=3;
+        register uchar *sort_order=seg->charset->sort_order;
+        for (; pos < (uchar*) key ; pos++)
+        {
+	  nr^=(ulong) ((((uint) nr & 63)+nr2) * 
+		     ((uint) sort_order[(uint) *pos])) + (nr << 8);
+	  nr2+=3;
+        }
       }
     }
     else
@@ -260,11 +263,15 @@ ulong hp_rec_hashnr(register HP_KEYDEF *keydef, register const byte *rec)
       if (seg->charset->hash_sort)
         seg->charset->hash_sort(seg->charset,pos,end-pos,&nr,&nr2);
       else
-      for (; pos < end ; pos++)
       {
-	nr^=(ulong) ((((uint) nr & 63)+nr2)*
-		     ((uint) seg->charset->sort_order[(uint) *pos]))+ (nr << 8);
-	nr2+=3;
+        register uchar *sort_order=seg->charset->sort_order;
+        
+        for (; pos < end ; pos++)
+        {
+	  nr^=(ulong) ((((uint) nr & 63)+nr2)*
+		     ((uint) sort_order[(uint) *pos]))+ (nr << 8);
+	  nr2+=3;
+        }
       }
     }
     else

mysys/hash.c

@@ -136,10 +136,12 @@ static uint calc_hashnr(CHARSET_INFO *cs __attribute__((unused)),
 static uint calc_hashnr_caseup(CHARSET_INFO *cs, const byte *key,uint length)
 {
   register uint nr=1, nr2=4;
+  register uchar *map=cs->to_upper;
+  
   while (length--)
   {
     nr^= (((nr & 63)+nr2)*
-         ((uint) (uchar) my_toupper(cs, *key++)))+ (nr << 8);
+         ((uint) (uchar) map[(uchar)*key++])) + (nr << 8);
     nr2+=3;
   }
   return((uint) nr);

mysys/mf_casecnv.c

@@ -33,8 +33,10 @@
 
 void case_sort(CHARSET_INFO *cs, my_string str, uint length)
 {
+  register uchar *map=cs->sort_order;
+  
   for ( ; length>0 ; length--, str++)
-    *str= (char) cs->sort_order[(uchar) *str];
+    *str= (char) map[(uchar) *str];
 } /* case_sort */
 
 
@@ -46,11 +48,11 @@ int my_sortcmp(CHARSET_INFO *cs, const char *s, const char *t, uint len)
   else
 #endif
   {
+    register uchar *map=cs->sort_order;
     while (len--)
     {
-      if (cs->sort_order[(uchar) *s++] != cs->sort_order[(uchar) *t++])
-        return ((int) cs->sort_order[(uchar) s[-1]] -
-                (int) cs->sort_order[(uchar) t[-1]]);
+      if (map[(uchar) *s++] != map[(uchar) *t++])
+        return ((int) map[(uchar) s[-1]] - (int) map[(uchar) t[-1]]);
     }
     return 0;
   }
@@ -67,11 +69,12 @@ int my_sortncmp(CHARSET_INFO *cs,
 #endif
   {
     uint len= min(s_len,t_len);
+    register uchar *map=cs->sort_order;
+    
     while (len--)
     {
-      if (cs->sort_order[(uchar) *s++] != cs->sort_order[(uchar) *t++])
-        return ((int) cs->sort_order[(uchar) s[-1]] -
-                (int) cs->sort_order[(uchar) t[-1]]);
+      if (map[(uchar) *s++] != map[(uchar) *t++])
+        return ((int) map[(uchar) s[-1]] - (int) map[(uchar) t[-1]]);
     }
     return (int) (s_len - t_len);
   }

mysys/mf_soundex.c

@@ -44,13 +44,14 @@ void soundex(CHARSET_INFO * cs,register my_string out_pntr, my_string in_pntr,
 {
   char ch,last_ch;
   reg3 my_string end;
+  register uchar *map=cs->to_upper;
 
   if (remove_garbage)
   {
     while (*in_pntr && my_isspace(cs,*in_pntr))	/* Skipp pre-space */
       in_pntr++;
   }
-  *out_pntr++ = my_toupper(cs,*in_pntr);/* Copy first letter		 */
+  *out_pntr++ = map[(uchar)*in_pntr];	/* Copy first letter		 */
   last_ch = get_scode(cs,&in_pntr,0);	/* code of the first letter	 */
 					/* for the first 'double-letter  */
 					/* check.			 */

strings/ctype-mb.c

@@ -24,13 +24,15 @@ void my_caseup_str_mb(CHARSET_INFO * cs, char *str)
 {
   register uint32 l;
   register char *end=str+strlen(str); /* BAR TODO: remove strlen() call */
+  register uchar *map=cs->to_upper;
+  
   while (*str)
   {
     if ((l=my_ismbchar(cs, str,end)))
       str+=l;
     else
     { 
-      *str=(char)my_toupper(cs,(uchar)*str);
+      *str=(char) map[(uchar)*str];
       str++;
     }
   }
@@ -40,13 +42,15 @@ void my_casedn_str_mb(CHARSET_INFO * cs, char *str)
 {
   register uint32 l;
   register char *end=str+strlen(str);
+  register uchar *map=cs->to_lower;
+  
   while (*str)
   {
     if ((l=my_ismbchar(cs, str,end)))
       str+=l;
     else
     {
-      *str=(char)my_tolower(cs,(uchar)*str);
+      *str=(char) map[(uchar)*str];
       str++;
     }
   }
@@ -56,13 +60,15 @@ void my_caseup_mb(CHARSET_INFO * cs, char *str, uint length)
 {
   register uint32 l;
   register char *end=str+length;
+  register uchar *map=cs->to_upper;
+  
   while (str<end)
   {
     if ((l=my_ismbchar(cs, str,end)))
       str+=l;
     else 
     {
-      *str=(char)my_toupper(cs,(uchar)*str);
+      *str=(char) map[(uchar)*str];
       str++;
     }
   }
@@ -72,13 +78,15 @@ void my_casedn_mb(CHARSET_INFO * cs, char *str, uint length)
 {
   register uint32 l;
   register char *end=str+length;
+  register uchar *map=cs->to_lower;
+  
   while (str<end)
   {
     if ((l=my_ismbchar(cs, str,end)))
       str+=l;
     else
     {
-      *str=(char)my_tolower(cs,(uchar)*str);
+      *str=(char) map[(uchar)*str];
       str++;
     }
   }
@@ -88,6 +96,8 @@ int my_strcasecmp_mb(CHARSET_INFO * cs,const char *s, const char *t)
 {
   register uint32 l;
   register const char *end=s+strlen(s);
+  register uchar *map=cs->to_upper;
+  
   while (s<end)
   {
     if ((l=my_ismbchar(cs, s,end)))
@@ -98,7 +108,7 @@ int my_strcasecmp_mb(CHARSET_INFO * cs,const char *s, const char *t)
     }
     else if (my_ismbhead(cs, *t)) 
       return 1;
-    else if (my_toupper(cs,(uchar) *s++) != my_toupper(cs,(uchar) *t++))
+    else if (map[(uchar) *s++] != map[(uchar) *t++])
       return 1;
   }
   return *t;
@@ -110,6 +120,8 @@ int my_strncasecmp_mb(CHARSET_INFO * cs,
 {
   register uint32 l;
   register const char *end=s+len;
+  register uchar *map=cs->to_upper;
+  
   while (s<end)
   {
     if ((l=my_ismbchar(cs, s,end)))
@@ -120,7 +132,7 @@ int my_strncasecmp_mb(CHARSET_INFO * cs,
     }
     else if (my_ismbhead(cs, *t)) 
       return 1;
-    else if (my_toupper(cs,(uchar) *s++) != my_toupper(cs,(uchar) *t++)) 
+    else if (map[(uchar) *s++] != map[(uchar) *t++]) 
       return 1;
   }
   return 0;

strings/ctype-simple.c

@@ -46,43 +46,49 @@ int my_strnncoll_simple(CHARSET_INFO * cs,const char *s, uint slen,
 
 void my_caseup_str_8bit(CHARSET_INFO * cs,char *str)
 {
-  while ((*str = (char) my_toupper(cs,(uchar) *str)) != 0)
+  register uchar *map=cs->to_upper;
+  while ((*str = (char) map[(uchar) *str]) != 0)
     str++;
 }
 
 
 void my_casedn_str_8bit(CHARSET_INFO * cs,char *str)
 {
-  while ((*str = (char) my_tolower(cs,(uchar)*str)) != 0)
+  register uchar *map=cs->to_lower;
+  while ((*str = (char) map[(uchar)*str]) != 0)
     str++;
 }
 
 
 void my_caseup_8bit(CHARSET_INFO * cs, char *str, uint length)
 {
+  register uchar *map=cs->to_upper;
   for ( ; length>0 ; length--, str++)
-    *str= (char) my_toupper(cs,(uchar)*str);
+    *str= (char) map[(uchar)*str];
 }
 
 void my_casedn_8bit(CHARSET_INFO * cs, char *str, uint length)
 {
+  register uchar *map=cs->to_lower;
   for ( ; length>0 ; length--, str++)
-    *str= (char)my_tolower(cs,(uchar) *str);
+    *str= (char) map[(uchar) *str];
 }
 
 
 int my_strcasecmp_8bit(CHARSET_INFO * cs,const char *s, const char *t)
 {
-  while (my_toupper(cs,(uchar) *s) == my_toupper(cs,(uchar) *t++))
+  register uchar *map=cs->to_upper;
+  while (map[(uchar) *s] == map[(uchar) *t++])
     if (!*s++) return 0;
-  return ((int) my_toupper(cs,(uchar) s[0]) - (int) my_toupper(cs,(uchar) t[-1]));
+  return ((int) map[(uchar) s[0]] - (int) map[(uchar) t[-1]]);
 }
 
 
 int my_strncasecmp_8bit(CHARSET_INFO * cs,
 				const char *s, const char *t, uint len)
 {
- while (len-- != 0 && my_toupper(cs,(uchar)*s++) == my_toupper(cs,(uchar)*t++)) ;
+ register uchar *map=cs->to_upper;
+ while (len-- != 0 && map[(uchar)*s++] == map[(uchar)*t++]) ;
    return (int) len+1;
 }