Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/mn10300/constraints.md @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | f6334be47118 |
| children | 84e7813d76e9 |
| rev | line source |
|---|---|
| 0 | 1 ;; Constraint definitions for the MN10300. |
| 111 | 2 ;; Copyright (C) 2007-2017 Free Software Foundation, Inc. |
| 0 | 3 ;; |
| 4 ;; This file is part of GCC. | |
| 5 ;; | |
| 6 ;; GCC is free software; you can redistribute it and/or modify | |
| 7 ;; it under the terms of the GNU General Public License as published by | |
| 8 ;; the Free Software Foundation; either version 3, or (at your option) | |
| 9 ;; any later version. | |
| 10 ;; | |
| 11 ;; GCC is distributed in the hope that it will be useful, | |
| 12 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 ;; GNU General Public License for more details. | |
| 15 ;; | |
| 16 ;; You should have received a copy of the GNU General Public License | |
| 17 ;; along with GCC; see the file COPYING3. If not see | |
| 18 ;; <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 (define_register_constraint "d" "DATA_REGS" | |
| 21 "A data register.") | |
| 22 | |
| 23 (define_register_constraint "a" "ADDRESS_REGS" | |
| 24 "An address register.") | |
| 25 | |
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26 ;; This can be used for QI/HImode memory operations, and most arithmetic. |
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27 ;; AM33 supports these on all registers, where MN103 needs DATA_REGS. |
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28 (define_register_constraint "D" "TARGET_AM33 ? GENERAL_REGS : DATA_REGS" |
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29 "A general register for AM33, and a data register otherwise.") |
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30 |
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31 ;; Similarly for ADDRESS_REGS vs GENERAL_REGS. |
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32 (define_register_constraint "A" "TARGET_AM33 ? GENERAL_REGS : ADDRESS_REGS" |
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33 "A general register for AM33, and an address register otherwise.") |
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34 |
| 0 | 35 (define_register_constraint "y" "SP_REGS" |
| 36 "An SP register (if available).") | |
| 37 | |
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38 (define_register_constraint "z" "MDR_REGS" |
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39 "The MDR register.") |
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40 |
| 0 | 41 (define_register_constraint "x" "TARGET_AM33 ? EXTENDED_REGS : NO_REGS" |
| 42 "An extended register.") | |
| 43 | |
| 44 (define_register_constraint "f" "TARGET_AM33_2 ? FP_REGS : NO_REGS" | |
| 45 "A floating point register.") | |
| 46 | |
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47 (define_register_constraint "c" "TARGET_AM33_2 ? FP_ACC_REGS : NO_REGS" |
| 0 | 48 "A floating point accumulator register.") |
| 49 | |
| 50 (define_memory_constraint "Q" | |
| 51 "@internal" | |
| 52 (and (match_code "mem") | |
| 53 (match_test "!CONSTANT_ADDRESS_P (XEXP (op, 0))"))) | |
| 54 | |
| 55 (define_constraint "S" | |
| 56 "@internal" | |
| 57 (if_then_else (match_test "flag_pic") | |
| 58 (and (match_test "GET_CODE (op) == UNSPEC") | |
| 59 (ior (match_test "XINT (op, 1) == UNSPEC_PLT") | |
| 60 (match_test "XINT (op, 1) == UNSPEC_PIC") | |
| 61 (match_test "XINT (op, 1) == UNSPEC_GOTSYM_OFF"))) | |
| 62 (match_test "GET_CODE (op) == SYMBOL_REF"))) | |
| 63 | |
| 64 ;; Integer constraints | |
| 65 | |
| 66 (define_constraint "I" | |
| 67 "An integer zero." | |
| 68 (and (match_code "const_int") | |
| 69 (match_test "ival == 0"))) | |
| 70 | |
| 71 (define_constraint "J" | |
| 72 "An integer one." | |
| 73 (and (match_code "const_int") | |
| 74 (match_test "ival == 1"))) | |
| 75 | |
| 76 (define_constraint "K" | |
| 77 "An integer two." | |
| 78 (and (match_code "const_int") | |
| 79 (match_test "ival == 2"))) | |
| 80 | |
| 81 (define_constraint "L" | |
| 82 "An integer four." | |
| 83 (and (match_code "const_int") | |
| 84 (match_test "ival == 4"))) | |
| 85 | |
| 86 (define_constraint "M" | |
| 87 "An integer three." | |
| 88 (and (match_code "const_int") | |
| 89 (match_test "ival == 3"))) | |
| 90 | |
| 91 (define_constraint "N" | |
| 92 "An integer of either 255 or 65535." | |
| 93 (and (match_code "const_int") | |
| 94 (ior (match_test "ival == 255") | |
| 95 (match_test "ival == 65535")))) | |
| 96 | |
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97 (define_constraint "O" |
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98 "An integer between -8 and +7 inclusive." |
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99 (and (match_code "const_int") |
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f6334be47118
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parents:
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100 (and (match_test "ival >= -8") |
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f6334be47118
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parents:
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101 (match_test "ival <= 7")))) |
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f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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diff
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102 |
| 0 | 103 ;; Floating-point constraints |
| 104 (define_constraint "G" | |
| 105 "Floating-point zero." | |
| 106 (and (match_code "const_double") | |
| 107 (match_test "op == CONST0_RTX (mode)"))) |