re PR tree-optimization/52171 (memcmp/strcmp/strncmp can be optimized when the…

re PR tree-optimization/52171 (memcmp/strcmp/strncmp can be optimized when the result is tested for [in]equality with 0)

gcc/ChangeLog
	PR tree-optimization/52171
	* config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
	by_pieces_ninsns instead of move_by_pieces_ninsns.

From-SVN: r237090

gcc/ChangeLog

 2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
 
+	PR tree-optimization/52171
+	* config/sh/sh.c (sh_use_by_pieces_infrastructure_p): Use
+	by_pieces_ninsns instead of move_by_pieces_ninsns.
+
+2016-06-04  Oleg Endo  <olegendo@gcc.gnu.org>
+
 	* config/sh/sh.c (sh_print_operand_address): Don't use hardcoded 'r0'
 	for reg+reg addressing mode.
 

gcc/config/sh/sh.c

@@ -12506,11 +12506,11 @@ sh_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT size,
   switch (op)
     {
       case MOVE_BY_PIECES:
-	return move_by_pieces_ninsns (size, align, MOVE_MAX_PIECES + 1)
+	return by_pieces_ninsns (size, align, MOVE_MAX_PIECES + 1, op)
 	  < (!speed_p ? 2 : (align >= 32) ? 16 : 2);
       case STORE_BY_PIECES:
       case SET_BY_PIECES:
-	return move_by_pieces_ninsns (size, align, STORE_MAX_PIECES + 1)
+	return by_pieces_ninsns (size, align, STORE_MAX_PIECES + 1, op)
 	  < (!speed_p ? 2 : (align >= 32) ? 16 : 2);
       default:
 	return default_use_by_pieces_infrastructure_p (size, align,