loop.c (canonicalize_condition): use destination, not source to determine set's mode.

	* loop.c (canonicalize_condition):  use destination, not source to
	determine set's mode.

From-SVN: r35409

gcc/ChangeLog

+Tue Aug  1 12:34:21 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* loop.c (canonicalize_condition):  Use destination, not source to
+	determine SET's mode.
+
 2000-07-31  Mark Mitchell  <mark@codesourcery.com>
 
 	* flow.c (clear_log_links): Fix typo.

gcc/loop.c

@@ -9017,7 +9017,7 @@ canonicalize_condition (insn, cond, reverse, earliest, want_reg)
 	 relevant.  */
       if (rtx_equal_p (SET_DEST (set), op0))
 	{
-	  enum machine_mode inner_mode = GET_MODE (SET_SRC (set));
+	  enum machine_mode inner_mode = GET_MODE (SET_DEST (set));
 
 	  /* ??? We may not combine comparisons done in a CCmode with
 	     comparisons not done in a CCmode.  This is to aid targets