Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/alpha/constraints.md @ 158:494b0b89df80 default tip
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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 25 May 2020 18:13:55 +0900 |
| parents | 1830386684a0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 ;; Constraint definitions for DEC Alpha. |
| 145 | 2 ;; Copyright (C) 2007-2020 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 ;;; Unused letters: | |
| 111 | 21 ;;; ABCDEF H V YZ |
| 22 ;;; de ghijkl pq tu wxyz | |
| 0 | 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 | |
| 111 | 35 (define_register_constraint "f" "TARGET_FPREGS ? FLOAT_REGS : NO_REGS" |
| 0 | 36 "Any floating-point register") |
| 37 | |
| 38 (define_register_constraint "v" "R0_REG" | |
| 39 "General register 0, function value return address") | |
| 40 | |
| 111 | 41 (define_memory_constraint "w" |
| 42 "A memory whose address is only a register" | |
| 43 (match_operand 0 "mem_noofs_operand")) | |
| 44 | |
| 0 | 45 ;; Integer constant constraints. |
| 46 (define_constraint "I" | |
| 47 "An unsigned 8 bit constant" | |
| 48 (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
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49 (match_test "IN_RANGE (ival, 0, 255)"))) |
| 0 | 50 |
| 51 (define_constraint "J" | |
| 52 "The constant zero" | |
| 53 (and (match_code "const_int") | |
| 54 (match_test "ival == 0"))) | |
| 55 | |
| 56 (define_constraint "K" | |
| 57 "Signed 16-bit integer constant" | |
| 58 (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
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59 (match_test "IN_RANGE (ival, -32768, 32767)"))) |
| 0 | 60 |
| 61 (define_constraint "L" | |
| 62 "A shifted signed 16-bit constant appropriate for LDAH" | |
| 63 (and (match_code "const_int") | |
| 64 (match_test "(ival & 0xffff) == 0 | |
| 65 && (ival >> 31 == -1 || ival >> 31 == 0)"))) | |
| 66 | |
| 67 (define_constraint "M" | |
| 68 "A valid operand of a ZAP insn" | |
| 69 (and (match_code "const_int") | |
| 70 (match_test "zap_mask (ival) != 0"))) | |
| 71 | |
| 72 (define_constraint "N" | |
| 73 "A complemented unsigned 8-bit constant" | |
| 74 (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
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75 (match_test "IN_RANGE (~ival, 0, 255)"))) |
| 0 | 76 |
| 77 (define_constraint "O" | |
| 78 "A negated unsigned 8-bit constant" | |
| 79 (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
|
80 (match_test "IN_RANGE (-ival, 0, 255)"))) |
| 0 | 81 |
| 82 (define_constraint "P" | |
| 83 "The constant 1, 2 or 3" | |
| 84 (and (match_code "const_int") | |
| 131 | 85 (match_test "IN_RANGE (ival, 1, 3)"))) |
| 0 | 86 |
| 87 ;; Floating-point constant constraints. | |
| 88 (define_constraint "G" | |
| 89 "The floating point zero constant" | |
| 90 (and (match_code "const_double") | |
| 111 | 91 (match_test "op == CONST0_RTX (mode)"))) |
| 0 | 92 |
| 93 ;; "Extra" constraints. | |
| 111 | 94 |
| 95 ;; A memory location that is not a reference | |
| 96 ;; (using an AND) to an unaligned location. | |
| 97 (define_memory_constraint "Q" | |
| 0 | 98 "@internal A normal_memory_operand" |
| 111 | 99 (and (match_code "mem") |
| 100 (not (match_code "and" "0")))) | |
| 0 | 101 |
| 102 (define_constraint "R" | |
| 103 "@internal A direct_call_operand" | |
| 104 (match_operand:DI 0 "direct_call_operand")) | |
| 105 | |
| 106 (define_constraint "S" | |
| 107 "An unsigned 6-bit constant" | |
| 108 (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
|
109 (match_test "IN_RANGE (ival, 0, 63)"))) |
| 0 | 110 |
| 111 (define_constraint "T" | |
| 112 "@internal A high-part symbol" | |
| 113 (match_code "high")) | |
| 114 | |
| 115 (define_constraint "W" | |
| 116 "A vector zero constant" | |
| 117 (and (match_code "const_vector") | |
| 118 (match_test "op == CONST0_RTX (mode)"))) |