Partially revert:

	2012-02-20  Richard Guenther  <rguenther@suse.de>
	PR tree-optimization/52298
	* tree-vect-stmts.c (vectorizable_load): Properly use
	STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
	outer loops.

From-SVN: r184645

gcc/ChangeLog

+2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+	Partially revert:
+
+	2012-02-20  Richard Guenther  <rguenther@suse.de>
+	PR tree-optimization/52298
+	* tree-vect-stmts.c (vectorizable_load): Properly use
+	STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
+	outer loops.
+
 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
 
 	PR middle-end/51752

gcc/tree-vect-stmts.c

@@ -4659,7 +4659,7 @@ vectorizable_load (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt,
      nested within an outer-loop that is being vectorized.  */
 
   if (nested_in_vect_loop
-      && (TREE_INT_CST_LOW (STMT_VINFO_DR_STEP (stmt_info))
+      && (TREE_INT_CST_LOW (DR_STEP (dr))
 	  % GET_MODE_SIZE (TYPE_MODE (vectype)) != 0))
     {
       gcc_assert (alignment_support_scheme != dr_explicit_realign_optimized);