gcse.c (cprop_jump): Call validate_unshare_change instead of validate_change to…

gcse.c (cprop_jump): Call validate_unshare_change instead of validate_change to unshare the source...

        * gcse.c (cprop_jump): Call validate_unshare_change instead of
        validate_change to unshare the source of the PC set.

From-SVN: r131505

gcc/ChangeLog

+2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
+
+	* gcse.c (cprop_jump): Call validate_unshare_change instead of
+	validate_change to unshare the source of the PC set.
+
 2008-01-12  Jan Hubicka  <jh@suse.cz>
 
 	PR middle-end/32135

gcc/gcse.c

@@ -2821,7 +2821,7 @@ cprop_jump (basic_block bb, rtx setcc, rtx jump, rtx from, rtx src)
          to one computed by setcc.  */
       if (setcc && modified_in_p (new, setcc))
 	return 0;
-      if (! validate_change (jump, &SET_SRC (set), new, 0))
+      if (! validate_unshare_change (jump, &SET_SRC (set), new, 0))
 	{
 	  /* When (some) constants are not valid in a comparison, and there
 	     are two registers to be replaced by constants before the entire