combine.c (combine_simplify_rtx): Pass the mode of the shift count...

        * combine.c (combine_simplify_rtx): Pass the mode of the
        shift count, not the shift operation when trying to simplify
        a shift on a SHIFT_COUNT_TRUNCATED target.

From-SVN: r55085

gcc/ChangeLog

+2002-06-28  Stephen Clarke  <stephen.clarke@superh.com>
+
+	* combine.c (combine_simplify_rtx): Pass the mode of the
+	shift count, not the shift operation when trying to simplify
+	a shift on a SHIFT_COUNT_TRUNCATED target.
+
 2002-06-28  Stephane Carrez  <stcarrez@nerim.fr>
 
 	* config/m68hc11/m68hc11.md ("*addsi3"): Use 'o' constraint to

gcc/combine.c

@@ -4583,7 +4583,7 @@ combine_simplify_rtx (x, op0_mode, last, in_dest)
 #ifdef SHIFT_COUNT_TRUNCATED
       else if (SHIFT_COUNT_TRUNCATED && GET_CODE (XEXP (x, 1)) != REG)
 	SUBST (XEXP (x, 1),
-	       force_to_mode (XEXP (x, 1), GET_MODE (x),
+	       force_to_mode (XEXP (x, 1), GET_MODE (XEXP (x, 1)),
 			      ((HOST_WIDE_INT) 1
 			       << exact_log2 (GET_MODE_BITSIZE (GET_MODE (x))))
 			      - 1,