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| Commit | Line | Data |
|---|---|---|
| 679e8183 | 1 | ;; Constraints for Vitesse IQ2000 processors |
| 7adcbafe | 2 | ;; Copyright (C) 2011-2022 Free Software Foundation, Inc. |
| 679e8183 NF |
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 | ;; Register constraints. | |
| 21 | (define_register_constraint "b" "ALL_REGS" | |
| 22 | "@internal") | |
| 23 | ||
| 24 | (define_register_constraint "d" "GR_REGS" | |
| 25 | "@internal") | |
| 26 | ||
| 27 | (define_register_constraint "y" "GR_REGS" | |
| 28 | "@internal") | |
| 29 | ||
| 30 | ;; Integer constraints. | |
| 31 | (define_constraint "I" | |
| 32 | "A 16-bit signed integer." | |
| 33 | (and (match_code "const_int") | |
| 34 | (match_test "IN_RANGE (ival, -32768, 32767)"))) | |
| 35 | ||
| 36 | (define_constraint "J" | |
| 37 | "Zero." | |
| 38 | (and (match_code "const_int") | |
| 39 | (match_test "ival == 0"))) | |
| 40 | ||
| 41 | (define_constraint "K" | |
| 42 | "A 16-bit unsigned integer" | |
| 43 | (and (match_code "const_int") | |
| 44 | (match_test "IN_RANGE (ival, 0, 65535)"))) | |
| 45 | ||
| 46 | (define_constraint "L" | |
| 47 | "A 32-bit constant whose bottom 16 bits are zero." | |
| 48 | (and (match_code "const_int") | |
| 49 | (ior (match_test "(ival | 0x7fff0000) == 0x7fff0000") | |
| 50 | (match_test "(ival | 0x7fff0000) + 0x10000 == 0")))) | |
| 51 | ||
| 52 | (define_constraint "M" | |
| 53 | "Any constant not matched by 'I', 'K', or 'L'." | |
| 54 | (and (match_code "const_int") | |
| 55 | (match_test "!insn_const_int_ok_for_constraint (ival, CONSTRAINT_I)") | |
| 56 | (match_test "!insn_const_int_ok_for_constraint (ival, CONSTRAINT_K)") | |
| 57 | (match_test "!insn_const_int_ok_for_constraint (ival, CONSTRAINT_L)"))) | |
| 58 | ||
| 59 | (define_constraint "N" | |
| 60 | "Any constant whose lower or upper 16 bits are 0xffff." | |
| 61 | (and (match_code "const_int") | |
| 62 | (ior (match_test "(ival & 0xffff) == 0xffff") | |
| 63 | (match_test "(ival & 0xffff0000) == 0xffff0000")))) | |
| 64 | ||
| 65 | (define_constraint "O" | |
| 66 | "A 5-bit signed integer." | |
| 67 | (and (match_code "const_int") | |
| 68 | (match_test "IN_RANGE (ival, -31, 31)"))) | |
| 69 | ||
| 70 | ;; Floating-point constraints. | |
| 71 | (define_constraint "G" | |
| 72 | "Floating-point zero." | |
| 73 | (and (match_code "const_double") | |
| 74 | (match_test "op == CONST0_RTX (mode)"))) | |
| 75 | ||
| 76 | ;; Extra constraints. | |
| 77 | (define_constraint "R" | |
| 78 | "A memory reference which takes one word for the instruction." | |
| 79 | (match_test "simple_memory_operand (op, mode)")) |