1 ;; Common predicate definitions for ARM, Thumb and AArch64
2 ;; Copyright (C) 2020-2023 Free Software Foundation, Inc.
3 ;; Contributed by Fujitsu Ltd.
5 ;; This file is part of GCC.
7 ;; GCC is free software; you can redistribute it and/or modify it
8 ;; under the terms of the GNU General Public License as published
9 ;; by the Free Software Foundation; either version 3, or (at your
10 ;; option) any later version.
12 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
13 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 ;; License for more details.
17 ;; You should have received a copy of the GNU General Public License
18 ;; along with GCC; see the file COPYING3. If not see
19 ;; <http://www.gnu.org/licenses/>.
21 ;; Return true if constant is CONST_INT >= 1 and <= 4
22 (define_predicate "const_1_to_4_operand"
23 (and (match_code "const_int")
24 (match_test "IN_RANGE (INTVAL (op), 1, 4)")))
26 ;; Return true if constant is 2 or 4 or 8 or 16
27 (define_predicate "const_2_4_8_16_operand"
28 (and (match_code "const_int")
29 (match_test (" INTVAL (op) == 2
32 || INTVAL (op) == 16 "))))
34 ;; Return true if shift type is lsl and amount is in[1,4].
35 (define_predicate "alu_shift_operator_lsl_1_to_4"
36 (and (match_code "ashift")
37 (match_test "const_1_to_4_operand (XEXP (op, 1), mode)")))
39 ;; Return true if the operand is register.
40 (define_predicate "alu_shift_reg_p"
41 (match_test "register_operand (XEXP (op, 1), mode)"))