function.c (purge_addressof_1): Add case for REG_RETVAL notes when modes are unequal.

2003-10-25  Eric Christopher  <echristo@redhat.com>

	* function.c (purge_addressof_1): Add case for REG_RETVAL
        notes when modes are unequal.

From-SVN: r73107

gcc/ChangeLog

+2003-10-25  Eric Christopher  <echristo@redhat.com>
+
+	* function.c (purge_addressof_1): Add case for REG_RETVAL
+        notes when modes are unequal.
+
 2003-10-31  Jan Hubicka  <jh@suse.cz>
 
 	* i386-modes.def: Add XFmode format adjustment.

gcc/function.c

@@ -3085,7 +3085,10 @@ purge_addressof_1 (rtx *loc, rtx insn, int force, int store, int may_postpone,
 			 subregs.  */
 		      || (GET_MODE_SIZE (GET_MODE (x)) > UNITS_PER_WORD
 			  && (GET_MODE_SIZE (GET_MODE (x))
-			      > GET_MODE_SIZE (GET_MODE (sub)))))
+			      > GET_MODE_SIZE (GET_MODE (sub))))
+		      || (GET_MODE_SIZE (GET_MODE (x))
+			  < GET_MODE_SIZE (GET_MODE (sub))))
+
 		    {
 		      *loc = gen_rtx_SUBREG (GET_MODE (x), sub, 0);
 		      return true;