1;; Predicates of machine description for CR16. 2;; Copyright (C) 2012-2018 Free Software Foundation, Inc. 3;; Contributed by KPIT Cummins Infosystems Limited. 4;; 5;; This file is part of GCC. 6;; 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. 11;; 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. 16;; 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/>. 20 21;; Constraints 22;; Register constraints 23(define_register_constraint "b" "NOSP_REGS" 24 "@no sp registers") 25 26(define_register_constraint "c" "SHORT_REGS" 27 "@short registers") 28 29(define_register_constraint "d" "LONG_REGS" 30 "@long registers") 31 32;; Integer constraints. 33(define_constraint "I" 34 "A signed 4-bit immediate." 35 (and (match_code "const_int") 36 (match_test "SIGNED_INT_FITS_N_BITS (ival, 4)"))) 37 38(define_constraint "J" 39 "A signed 5-bit immediate." 40 (and (match_code "const_int") 41 (match_test "SIGNED_INT_FITS_N_BITS (ival, 5)"))) 42 43(define_constraint "K" 44 "A signed 6-bit immediate." 45 (and (match_code "const_int") 46 (match_test "SIGNED_INT_FITS_N_BITS (ival, 6)"))) 47 48(define_constraint "L" 49 "A unsigned 4-bit immediate." 50 (and (match_code "const_int") 51 (match_test "UNSIGNED_INT_FITS_N_BITS (ival, 4)"))) 52 53(define_constraint "M" 54 "A unsigned and customized 4-bit immediate." 55 (and (match_code "const_int") 56 (match_test "(IN_RANGE_P (ival, 0, 15) && ((ival != 9) && (ival != 11)))"))) 57 58(define_constraint "N" 59 "A signed 16-bit immediate." 60 (and (match_code "const_int") 61 (match_test "IN_RANGE_P (ival, -32768, 32767)"))) 62 63(define_constraint "O" 64 "A unsigned 20-bit immediate." 65 (and (match_code "const_int") 66 (match_test "IN_RANGE_P (ival, 0, 1048575)"))) 67 68(define_constraint "Q" 69 "A shift QI immediate." 70 (and (match_code "const_int") 71 (match_test "IN_RANGE_P (ival, 0, 7)"))) 72 73(define_constraint "R" 74 "A shift HI immediate." 75 (and (match_code "const_int") 76 (match_test "IN_RANGE_P (ival, 0, 15)"))) 77 78(define_constraint "S" 79 "A shift SI immediate." 80 (and (match_code "const_int") 81 (match_test "IN_RANGE_P (ival, 0, 31)"))) 82