projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| b25364a0 | 1 | ;; Predicates of machine description for CR16. |
| a5544970 | 2 | ;; Copyright (C) 2012-2019 Free Software Foundation, Inc. |
| b25364a0 S |
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)"))) |