projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 0969ec7d | 1 | ;; Constraint definitions for Visium. |
| a945c346 | 2 | ;; Copyright (C) 2006-2024 Free Software Foundation, Inc. |
| 0969ec7d EB |
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 | ||
| 22 | (define_register_constraint "b" "MDB" | |
| 23 | "EAM register mdb") | |
| 24 | ||
| 25 | (define_register_constraint "c" "MDC" | |
| 26 | "EAM register mdc") | |
| 27 | ||
| 28 | (define_register_constraint "f" "TARGET_FPU ? FP_REGS : NO_REGS" | |
| 29 | "Floating point register") | |
| 30 | ||
| 31 | (define_register_constraint "k" "SIBCALL_REGS" | |
| 32 | "Register for sibcall optimization") | |
| 33 | ||
| 34 | (define_register_constraint "l" "LOW_REGS" | |
| 35 | "General register, but not r29, r30 and r31") | |
| 36 | ||
| 37 | (define_register_constraint "t" "R1" | |
| 38 | "Register r1") | |
| 39 | ||
| 40 | (define_register_constraint "u" "R2" | |
| 41 | "Register r2") | |
| 42 | ||
| 43 | (define_register_constraint "v" "R3" | |
| 44 | "Register r3") | |
| 45 | ||
| 46 | ;; Immediate integer operand constraints | |
| 47 | ||
| 48 | (define_constraint "J" | |
| 49 | "Integer constant in the range 0 .. 65535 (16-bit immediate)" | |
| 50 | (and (match_code "const_int") | |
| 98f8b67f | 51 | (match_test "IN_RANGE (ival, 0, 65535)"))) |
| 0969ec7d EB |
52 | |
| 53 | (define_constraint "K" | |
| 54 | "Integer constant in the range 1 .. 31 (5-bit immediate)" | |
| 55 | (and (match_code "const_int") | |
| 98f8b67f | 56 | (match_test "IN_RANGE (ival, 1, 31)"))) |
| 0969ec7d EB |
57 | |
| 58 | (define_constraint "L" | |
| 59 | "Integer constant in the range -65535 .. -1 (16-bit negative immediate)" | |
| 60 | (and (match_code "const_int") | |
| 98f8b67f | 61 | (match_test "IN_RANGE (ival, -65535, -1)"))) |
| 0969ec7d EB |
62 | |
| 63 | (define_constraint "M" | |
| 64 | "Integer constant -1" | |
| 65 | (and (match_code "const_int") | |
| 66 | (match_test "ival == -1"))) | |
| 67 | ||
| 68 | (define_constraint "O" | |
| 69 | "Integer constant 0" | |
| 70 | (and (match_code "const_int") | |
| 71 | (match_test "ival == 0"))) | |
| 72 | ||
| 73 | (define_constraint "P" | |
| 74 | "Integer constant 32" | |
| 75 | (and (match_code "const_int") | |
| 76 | (match_test "ival == 32"))) | |
| 77 | ||
| 78 | ;; Immediate FP operand constraints | |
| 79 | ||
| 80 | (define_constraint "G" | |
| 81 | "Floating-point constant 0.0" | |
| 82 | (and (match_code "const_double") | |
| 83 | (match_test "op == CONST0_RTX (mode)"))) |