c4x.c (c4x_address_cost): Revert 9 Feb change.

	* config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
(While this patch fixed GIV combination for complex arithmetic
it screwed up generation of autoincrement addresses for the common cases.)

From-SVN: r25163

gcc/ChangeLog

+Fri Feb 12 23:37:26 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change. 
+
 Fri Feb 12 00:51:26 1999  Jeffrey A Law  (law@cygnus.com)
 
         * reload.c (find_reloads_address_1): Fix handling of an autoincremented

gcc/config/c4x/c4x.c

@@ -1526,14 +1526,8 @@ rtx addr;
 	    break;
 
 	  case REG:
-	    /* Paradoxically, if we want autoincrement addressing for
-	       complex arithmetic and structure arrays, we must give
-	       REG+REG addressing the same cost as REG addressing to
-	       prevent CSE from avoiding REG+REG addresses.  This is
-	       because GIV combination in loop.c is suboptimal and
-	       needs fixing.  */
-	    if (flag_strength_reduce)
-	      return 1;
+	    /* This cost for REG+REG must be greater than the cost
+	       for REG if we want autoincrement addressing modes.  */
 	    return 2;
 
 	  case CONST_INT: