tree-cfg.c (replace_uses_by): Fixup TREE_CONSTANT for propagating all kinds of constants.

2011-12-14  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (replace_uses_by): Fixup TREE_CONSTANT for
	propagating all kinds of constants.

From-SVN: r182337

gcc/ChangeLog

 2011-12-14  Richard Guenther  <rguenther@suse.de>
 
+	* tree-cfg.c (replace_uses_by): Fixup TREE_CONSTANT for
+	propagating all kinds of constants.
+
+2011-12-14  Richard Guenther  <rguenther@suse.de>
+
 	PR lto/51497
 	* lto-streamer-in.c (lto_read_body): Fixup local types
 	TYPE_CANONICAL and variant chain.

gcc/tree-cfg.c

@@ -1612,8 +1612,8 @@ replace_uses_by (tree name, tree val)
 	  /* FIXME.  It shouldn't be required to keep TREE_CONSTANT
 	     on ADDR_EXPRs up-to-date on GIMPLE.  Propagation will
 	     only change sth from non-invariant to invariant, and only
-	     when propagating integer constants.  */
-	  if (TREE_CODE (val) == INTEGER_CST)
+	     when propagating constants.  */
+	  if (is_gimple_min_invariant (val))
 	    for (i = 0; i < gimple_num_ops (stmt); i++)
 	      {
 		tree op = gimple_op (stmt, i);