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common.md revision 1.1 
      1  1.1  mrg ;; Common predicate definitions for ARM, Thumb and AArch64
      2  1.1  mrg ;; Copyright (C) 2020-2022 Free Software Foundation, Inc.
      3  1.1  mrg ;; Contributed by Fujitsu Ltd.
      4  1.1  mrg 
      5  1.1  mrg ;; This file is part of GCC.
      6  1.1  mrg 
      7  1.1  mrg ;; GCC is free software; you can redistribute it and/or modify it
      8  1.1  mrg ;; under the terms of the GNU General Public License as published
      9  1.1  mrg ;; by the Free Software Foundation; either version 3, or (at your
     10  1.1  mrg ;; option) any later version.
     11  1.1  mrg 
     12  1.1  mrg ;; GCC is distributed in the hope that it will be useful, but WITHOUT
     13  1.1  mrg ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
     14  1.1  mrg ;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
     15  1.1  mrg ;; License for more details.
     16  1.1  mrg 
     17  1.1  mrg ;; You should have received a copy of the GNU General Public License
     18  1.1  mrg ;; along with GCC; see the file COPYING3.  If not see
     19  1.1  mrg ;; <http://www.gnu.org/licenses/>.
     20  1.1  mrg 
     21  1.1  mrg ;; Return true if constant is CONST_INT >= 1 and <= 4
     22  1.1  mrg (define_predicate "const_1_to_4_operand"
     23  1.1  mrg   (and (match_code "const_int")
     24  1.1  mrg        (match_test "IN_RANGE (INTVAL (op), 1, 4)")))
     25  1.1  mrg 
     26  1.1  mrg ;; Return true if constant is 2 or 4 or 8 or 16
     27  1.1  mrg (define_predicate "const_2_4_8_16_operand"
     28  1.1  mrg   (and (match_code "const_int")
     29  1.1  mrg        (match_test ("   INTVAL (op) == 2
     30  1.1  mrg                      || INTVAL (op) == 4
     31  1.1  mrg                      || INTVAL (op) == 8
     32  1.1  mrg                      || INTVAL (op) == 16 "))))
     33  1.1  mrg 
     34  1.1  mrg ;; Return true if shift type is lsl and amount is in[1,4].
     35  1.1  mrg (define_predicate "alu_shift_operator_lsl_1_to_4"
     36  1.1  mrg   (and (match_code "ashift")
     37  1.1  mrg        (match_test "const_1_to_4_operand (XEXP (op, 1), mode)")))
     38  1.1  mrg 
     39  1.1  mrg ;; Return true if the operand is register.
     40  1.1  mrg (define_predicate "alu_shift_reg_p"
     41  1.1  mrg   (match_test "register_operand (XEXP (op, 1), mode)"))
     42