Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/alpha/constraints.md @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 ;; Constraint definitions for DEC Alpha. |
| 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 | |
| 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 ;;; Unused letters: | |
| 21 ;;; ABCDEF V YZ | |
| 22 ;;; de ghijklmnopq stu wxyz | |
| 23 | |
| 24 ;; Integer register constraints. | |
| 25 | |
| 26 (define_register_constraint "a" "R24_REG" | |
| 27 "General register 24, input to division routine") | |
| 28 | |
| 29 (define_register_constraint "b" "R25_REG" | |
| 30 "General register 24, input to division routine") | |
| 31 | |
| 32 (define_register_constraint "c" "R27_REG" | |
| 33 "General register 27, function call address") | |
| 34 | |
| 35 (define_register_constraint "f" "FLOAT_REGS" | |
| 36 "Any floating-point register") | |
| 37 | |
| 38 (define_register_constraint "v" "R0_REG" | |
| 39 "General register 0, function value return address") | |
| 40 | |
| 41 ;; Integer constant constraints. | |
| 42 (define_constraint "I" | |
| 43 "An unsigned 8 bit constant" | |
| 44 (and (match_code "const_int") | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
45 (match_test "IN_RANGE (ival, 0, 255)"))) |
| 0 | 46 |
| 47 (define_constraint "J" | |
| 48 "The constant zero" | |
| 49 (and (match_code "const_int") | |
| 50 (match_test "ival == 0"))) | |
| 51 | |
| 52 (define_constraint "K" | |
| 53 "Signed 16-bit integer constant" | |
| 54 (and (match_code "const_int") | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
55 (match_test "IN_RANGE (ival, -32768, 32767)"))) |
| 0 | 56 |
| 57 (define_constraint "L" | |
| 58 "A shifted signed 16-bit constant appropriate for LDAH" | |
| 59 (and (match_code "const_int") | |
| 60 (match_test "(ival & 0xffff) == 0 | |
| 61 && (ival >> 31 == -1 || ival >> 31 == 0)"))) | |
| 62 | |
| 63 (define_constraint "M" | |
| 64 "A valid operand of a ZAP insn" | |
| 65 (and (match_code "const_int") | |
| 66 (match_test "zap_mask (ival) != 0"))) | |
| 67 | |
| 68 (define_constraint "N" | |
| 69 "A complemented unsigned 8-bit constant" | |
| 70 (and (match_code "const_int") | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
71 (match_test "IN_RANGE (~ival, 0, 255)"))) |
| 0 | 72 |
| 73 (define_constraint "O" | |
| 74 "A negated unsigned 8-bit constant" | |
| 75 (and (match_code "const_int") | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
76 (match_test "IN_RANGE (-ival, 0, 255)"))) |
| 0 | 77 |
| 78 (define_constraint "P" | |
| 79 "The constant 1, 2 or 3" | |
| 80 (and (match_code "const_int") | |
| 81 (match_test "ival == 1 || ival == 2 || ival == 3"))) | |
| 82 | |
| 83 (define_constraint "H" | |
| 84 "A valid operand of a ZAP insn, when building with 32-bit HOST_WIDE_INT" | |
| 85 (and (match_code "const_double") | |
| 86 (match_test "mode == VOIDmode && zap_mask (hval) && zap_mask (lval)"))) | |
| 87 | |
| 88 ;; Floating-point constant constraints. | |
| 89 (define_constraint "G" | |
| 90 "The floating point zero constant" | |
| 91 (and (match_code "const_double") | |
| 92 (match_test "GET_MODE_CLASS (mode) == MODE_FLOAT | |
| 93 && op == CONST0_RTX (mode)"))) | |
| 94 | |
| 95 ;; "Extra" constraints. | |
| 96 (define_constraint "Q" | |
| 97 "@internal A normal_memory_operand" | |
| 98 (match_operand 0 "normal_memory_operand")) | |
| 99 | |
| 100 (define_constraint "R" | |
| 101 "@internal A direct_call_operand" | |
| 102 (match_operand:DI 0 "direct_call_operand")) | |
| 103 | |
| 104 (define_constraint "S" | |
| 105 "An unsigned 6-bit constant" | |
| 106 (and (match_code "const_int") | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
107 (match_test "IN_RANGE (ival, 0, 63)"))) |
| 0 | 108 |
| 109 (define_constraint "T" | |
| 110 "@internal A high-part symbol" | |
| 111 (match_code "high")) | |
| 112 | |
| 113 (define_constraint "U" | |
| 114 "@internal A UNICOSMK symbol" | |
| 115 (and (match_test "TARGET_ABI_UNICOSMK") | |
| 116 (match_operand 0 "symbolic_operand"))) | |
| 117 | |
| 118 (define_constraint "W" | |
| 119 "A vector zero constant" | |
| 120 (and (match_code "const_vector") | |
| 121 (match_test "op == CONST0_RTX (mode)"))) |