Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/m68k/constraints.md @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
| author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 22 Mar 2011 17:18:12 +0900 |
| parents | 77e2b8dfacca |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 ;; Constraint definitions for m68k |
| 2 ;; Copyright (C) 2007 Free Software Foundation, Inc. | |
| 3 | |
| 4 ;; This file is part of GCC. | |
| 5 | |
| 6 ;; GCC is free software; you can redistribute it and/or modify it | |
| 7 ;; under the terms of the GNU General Public License as published | |
| 8 ;; by the Free Software Foundation; either version 3, or (at your | |
| 9 ;; option) any later version. | |
| 10 | |
| 11 ;; GCC is distributed in the hope that it will be useful, but WITHOUT | |
| 12 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 13 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 14 ;; 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 "a" "ADDR_REGS" | |
| 21 "Address register.") | |
| 22 | |
| 23 (define_register_constraint "d" "DATA_REGS" | |
| 24 "Data register.") | |
| 25 | |
| 26 (define_register_constraint "f" "TARGET_HARD_FLOAT ? FP_REGS : NO_REGS" | |
| 27 "Floating point register.") | |
| 28 | |
| 29 (define_constraint "I" | |
| 30 "Integer constant in the range 1 @dots 8, for immediate shift counts and addq." | |
| 31 (and (match_code "const_int") | |
| 32 (match_test "ival > 0 && ival <= 8"))) | |
| 33 | |
| 34 (define_constraint "J" | |
| 35 "Signed 16-bit integer constant." | |
| 36 (and (match_code "const_int") | |
| 37 (match_test "ival >= -0x8000 && ival <= 0x7fff"))) | |
| 38 | |
| 39 (define_constraint "K" | |
| 40 "Integer constant that moveq can't handle." | |
| 41 (and (match_code "const_int") | |
| 42 (match_test "ival < -0x80 || ival >= 0x80"))) | |
| 43 | |
| 44 (define_constraint "L" | |
| 45 "Integer constant in the range -8 @dots -1, for subq." | |
| 46 (and (match_code "const_int") | |
| 47 (match_test "ival < 0 && ival >= -8"))) | |
| 48 | |
| 49 (define_constraint "M" | |
| 50 "Integer constant that moveq+notb can't handle." | |
| 51 (and (match_code "const_int") | |
| 52 (match_test "ival < -0x100 || ival >= 0x100"))) | |
| 53 | |
| 54 (define_constraint "N" | |
| 55 "Integer constant in the range 24 @dots 31, for rotatert:SI 8 to 1 expressed as rotate." | |
| 56 (and (match_code "const_int") | |
| 57 (match_test "ival >= 24 && ival <= 31"))) | |
| 58 | |
| 59 (define_constraint "O" | |
| 60 "Integer constant 16, for rotate using swap." | |
| 61 (and (match_code "const_int") | |
| 62 (match_test "ival == 16"))) | |
| 63 | |
| 64 (define_constraint "P" | |
| 65 "Integer constant in the range 8 @dots 15, for rotatert:HI 8 to 1 expressed as rotate." | |
| 66 (and (match_code "const_int") | |
| 67 (match_test "ival >= 8 && ival <= 15"))) | |
| 68 | |
| 69 (define_constraint "R" | |
| 70 "Integer constant that mov3q can handle." | |
| 71 (and (match_code "const_int") | |
| 72 (match_test "valid_mov3q_const (ival)"))) | |
| 73 | |
| 74 (define_constraint "G" | |
| 75 "Defines all of the floating constants that are *NOT* 68881 | |
| 76 constants. This is so 68881 constants get reloaded and the fpmovecr | |
| 77 is used." | |
| 78 (and (match_code "const_double") | |
| 79 (match_test "!(TARGET_68881 && standard_68881_constant_p (op))"))) | |
| 80 | |
|
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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81 (define_constraint "H" |
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77e2b8dfacca
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82 "Defines a real zero constant." |
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parents:
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83 (and (match_code "const_double") |
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84 (match_test "op == CONST0_RTX (GET_MODE (op))"))) |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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85 |
| 0 | 86 (define_constraint "S" |
| 87 "Used for operands that satisfy 'm' when -mpcrel is in effect." | |
| 88 (and (match_code "mem") | |
| 89 (match_test "TARGET_PCREL | |
| 90 && (GET_CODE (XEXP (op, 0)) == SYMBOL_REF | |
| 91 || GET_CODE (XEXP (op, 0)) == LABEL_REF | |
| 92 || GET_CODE (XEXP (op, 0)) == CONST)"))) | |
| 93 | |
| 94 (define_constraint "T" | |
| 95 "Used for operands that satisfy 's' when -mpcrel is not in effect." | |
| 96 (and (match_code "symbol_ref,label_ref,const") | |
| 97 (match_test "!flag_pic"))) | |
| 98 | |
| 99 (define_memory_constraint "Q" | |
| 100 "Means address register indirect addressing mode." | |
| 101 (and (match_code "mem") | |
| 102 (match_test "m68k_matches_q_p (op)"))) | |
| 103 | |
| 104 (define_constraint "U" | |
| 105 "Used for register offset addressing." | |
| 106 (and (match_code "mem") | |
| 107 (match_test "m68k_matches_u_p (op)"))) | |
| 108 | |
| 109 (define_constraint "W" | |
| 110 "Used for const_call_operands." | |
| 111 (match_operand 0 "const_call_operand")) | |
| 112 | |
| 113 (define_constraint "Cs" | |
| 114 "symbol_ref or const." | |
| 115 (match_code "symbol_ref,const")) | |
| 116 | |
| 117 (define_constraint "Ci" | |
| 118 "const_int." | |
| 119 (and (match_code "const_int") | |
| 120 (match_test "true"))) | |
| 121 | |
| 122 (define_constraint "C0" | |
| 123 "const_int 0." | |
| 124 (and (match_code "const_int") | |
| 125 (match_test "ival == 0"))) | |
| 126 | |
| 127 (define_constraint "Cj" | |
| 128 "Range of signed numbers that don't fit in 16 bits." | |
| 129 (and (match_code "const_int") | |
| 130 (match_test "ival < -0x8000 || ival > 0x7FFF"))) | |
| 131 | |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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132 (define_constraint "Cu" |
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77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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133 "16-bit offset for wrapped symbols" |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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134 (and (match_code "const") |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
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135 (match_test "m68k_unwrap_symbol (op, false) != op"))) |
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77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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136 |
| 0 | 137 (define_constraint "CQ" |
| 138 "Integers valid for mvq." | |
| 139 (and (match_code "const_int") | |
| 140 (match_test "m68k_const_method (ival) == MOVQ"))) | |
| 141 | |
| 142 (define_constraint "CW" | |
| 143 "Integers valid for a moveq followed by a swap." | |
| 144 (and (match_code "const_int") | |
| 145 (match_test "m68k_const_method (ival) == SWAP"))) | |
| 146 | |
| 147 (define_constraint "CZ" | |
| 148 "Integers valid for mvz." | |
| 149 (and (match_code "const_int") | |
| 150 (match_test "m68k_const_method (ival) == MVZ"))) | |
| 151 | |
| 152 (define_constraint "CS" | |
| 153 "Integers valid for mvs." | |
| 154 (and (match_code "const_int") | |
| 155 (match_test "m68k_const_method (ival) == MVS"))) | |
| 156 | |
| 157 (define_constraint "Ap" | |
| 158 "push_operand." | |
| 159 (match_operand 0 "push_operand")) | |
| 160 | |
| 161 (define_constraint "Ac" | |
| 162 "Non-register operands allowed in clr." | |
| 163 (and (match_operand 0 "movsi_const0_operand") | |
| 164 (match_test "!REG_P (op)"))) |