tree-data-ref.c (dr_analyze_innermost): Properly convert the MEM_REF offset to sizetype.

2012-05-31  Richard Guenther  <rguenther@suse.de>

	* tree-data-ref.c (dr_analyze_innermost): Properly convert
	the MEM_REF offset to sizetype.

From-SVN: r188057

gcc/ChangeLog

+2012-05-31  Richard Guenther  <rguenther@suse.de>
+
+	* tree-data-ref.c (dr_analyze_innermost): Properly convert
+	the MEM_REF offset to sizetype.
+
 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
 
 	* doc/invoke.texi (AVR Options): Fix typos.

gcc/tree-data-ref.c

@@ -720,13 +720,12 @@ dr_analyze_innermost (struct data_reference *dr, struct loop *nest)
     {
       if (!integer_zerop (TREE_OPERAND (base, 1)))
 	{
-	  if (!poffset)
-	    {
 	  double_int moff = mem_ref_offset (base);
-	      poffset = double_int_to_tree (sizetype, moff);
-	    }
+	  tree mofft = double_int_to_tree (sizetype, moff);
+	  if (!poffset)
+	    poffset = mofft;
 	  else
-	    poffset = size_binop (PLUS_EXPR, poffset, TREE_OPERAND (base, 1));
+	    poffset = size_binop (PLUS_EXPR, poffset, mofft);
 	}
       base = TREE_OPERAND (base, 0);
     }