loop.c (scan_loop): Count down from max_reg_num - 1 to FIRST_PSEUDO_REGISTER to avoid calling...

        * loop.c (scan_loop): Count down from max_reg_num - 1 to
        FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
        of the loop.
        (load_mems_and_recount_loop_regs_set): Likewise.
Forgot second AVOID_CCMODE_COPIES loop.

From-SVN: r22044

gcc/ChangeLog

 Thu Aug 27 20:10:46 1998  Jeffrey A Law  (law@cygnus.com)
 
 	* loop.c (scan_loop): Count down from max_reg_num - 1 to
-	FIRST_PSEUDO_REGISTER to avoid calilng max_reg_num each iteration
+	FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
 	of the loop.
+	(load_mems_and_recount_loop_regs_set): Likewise.
 
 	* i386.c (print_operand): Remove obsolete 'c' docs.
 

gcc/loop.c

@@ -8613,7 +8613,7 @@ load_mems_and_recount_loop_regs_set (scan_start, end, loop_top, start,
 #ifdef AVOID_CCMODE_COPIES
       /* Don't try to move insns which set CC registers if we should not
 	 create CCmode register copies.  */
-      for (i = FIRST_PSEUDO_REGISTER; i < max_reg_num (); i++)
+      for (i = max_reg_num () - 1; i >= FIRST_PSEUDO_REGISTER; i--)
 	if (GET_MODE_CLASS (GET_MODE (regno_reg_rtx[i])) == MODE_CC)
 	  VARRAY_CHAR (may_not_optimize, i) = 1;
 #endif