gcse.c (compute_transp): break from loop over canon_modify_mem_list when we found a dependence.

2014-02-12  Richard Biener  <rguenther@suse.de>

	* gcse.c (compute_transp): break from loop over canon_modify_mem_list
	when we found a dependence.

From-SVN: r207726

gcc/ChangeLog

+2014-02-12  Richard Biener  <rguenther@suse.de>
+
+	* gcse.c (compute_transp): break from loop over canon_modify_mem_list
+	when we found a dependence.
+
 2014-02-12  Thomas Schwinge  <thomas@codesourcery.com>
 
 	* gimplify.c (gimplify_call_expr, gimplify_modify_expr): Move

gcc/gcse.c

@@ -1735,7 +1735,10 @@ compute_transp (const_rtx x, int indx, sbitmap *bmap)
 
 		  if (canon_true_dependence (dest, GET_MODE (dest),
 					     dest_addr, x, x_addr))
-		    bitmap_clear_bit (bmap[bb_index], indx);
+		    {
+		      bitmap_clear_bit (bmap[bb_index], indx);
+		      break;
+		    }
 	        }
 	    }
 	}