(ior (match_operand 0 "arm_rhs_operand")
(match_operand 0 "memory_operand")))
+;; This doesn't have to do much because the constant is already checked
+;; in the shift_operator predicate.
(define_predicate "shift_amount_operand"
(ior (and (match_test "TARGET_ARM")
(match_operand 0 "s_register_operand"))
- (and (match_code "const_int")
- (match_test "((unsigned HOST_WIDE_INT) INTVAL (op)) < 32"))))
+ (match_operand 0 "const_int_operand")))
(define_predicate "arm_add_operand"
(ior (match_operand 0 "arm_rhs_operand")
(match_test "mode == GET_MODE (op)")))
;; True for shift operators.
+;; Notes:
+;; * mult is only permitted with a constant shift amount
+;; * patterns that permit register shift amounts only in ARM mode use
+;; shift_amount_operand, patterns that always allow registers do not,
+;; so we don't have to worry about that sort of thing here.
(define_special_predicate "shift_operator"
(and (ior (ior (and (match_code "mult")
(match_test "power_of_two_operand (XEXP (op, 1), mode)"))
(and (match_code "rotate")
(match_test "GET_CODE (XEXP (op, 1)) == CONST_INT
&& ((unsigned HOST_WIDE_INT) INTVAL (XEXP (op, 1))) < 32")))
- (match_code "ashift,ashiftrt,lshiftrt,rotatert"))
+ (and (match_code "ashift,ashiftrt,lshiftrt,rotatert")
+ (match_test "GET_CODE (XEXP (op, 1)) != CONST_INT
+ || ((unsigned HOST_WIDE_INT) INTVAL (XEXP (op, 1))) < 32")))
(match_test "mode == GET_MODE (op)")))
;; True for shift operators which can be used with saturation instructions.