* loop.c (express_from_1): Fix call of simplify_gen_binary.

From-SVN: r35344

gcc/ChangeLog

+Sun Jul 30 20:21:54 MET DST 2000  Jan Hubicka  <jh@suse.cz>
+
+	* loop.c (express_from_1): Fix call of simplify_gen_binary.
+
 Sun Jul 30 20:08:37 MET DST 2000  Jan Hubicka  <jh@suse.cz>
 
 	* simplify-rtx.c (simplify_relational_operation): Verify that mode ==

gcc/loop.c

@@ -6850,7 +6850,7 @@ express_from_1 (a, b, mult)
     }
   else if (CONSTANT_P (a))
     {
-      return simplify_gen_binary (MINUS, GET_MODE (b), const0_rtx, a);
+      return simplify_gen_binary (MINUS, GET_MODE (b) != VOIDmode ? GET_MODE (b) : GET_MODE (a), const0_rtx, a);
     }
   else if (GET_CODE (b) == PLUS)
     {