projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| f6a83b4a | 1 | ;; Machine Description for TI MSP43* processors |
| 23a5b65a | 2 | ;; Copyright (C) 2013-2014 Free Software Foundation, Inc. |
| f6a83b4a DD |
3 | ;; Contributed by Red Hat. |
| 4 | ||
| 5 | ;; This file is part of GCC. | |
| 6 | ||
| 7 | ;; GCC is free software; you can redistribute it and/or modify | |
| 8 | ;; it under the terms of the GNU General Public License as published by | |
| 9 | ;; the Free Software Foundation; either version 3, or (at your option) | |
| 10 | ;; any later version. | |
| 11 | ||
| 12 | ;; GCC is distributed in the hope that it will be useful, | |
| 13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | ;; GNU General Public License for more details. | |
| 16 | ||
| 17 | ;; You should have received a copy of the GNU General Public License | |
| 18 | ;; along with GCC; see the file COPYING3. If not see | |
| 19 | ;; <http://www.gnu.org/licenses/>. | |
| 20 | ||
| 21 | (define_register_constraint "R12" "R12_REGS" | |
| 22 | "Register R12.") | |
| 23 | ||
| 24 | (define_register_constraint "R13" "R13_REGS" | |
| 25 | "Register R13.") | |
| 26 | ||
| 27 | (define_constraint "K" | |
| 28 | "Integer constant 1." | |
| 29 | (and (match_code "const_int") | |
| 30 | (match_test "IN_RANGE (ival, 1, 1)"))) | |
| 31 | ||
| 32 | (define_constraint "L" | |
| 33 | "Integer constant -1^20..1^19." | |
| 34 | (and (match_code "const_int") | |
| 35 | (match_test "IN_RANGE (ival, -1 << 20, 1 << 19)"))) | |
| 36 | ||
| 37 | (define_constraint "M" | |
| 38 | "Integer constant 1-4." | |
| 39 | (and (match_code "const_int") | |
| 40 | (match_test "IN_RANGE (ival, 1, 4)"))) | |
| 41 | ||
| 42 | ;; We do not allow arbitrary constants, eg symbols or labels, | |
| 43 | ;; because their address may be above the 16-bit address limit | |
| 44 | ;; supported by the offset used in the MOVA instruction. | |
| 45 | (define_constraint "Ya" | |
| 46 | "Memory reference, any type, but restricted range of constants" | |
| 47 | (and (match_code "mem") | |
| 48 | (ior (match_code "reg" "0") | |
| 49 | (and (match_code "plus" "0") | |
| 50 | (match_code "reg" "00") | |
| 51 | (match_test ("CONST_INT_P (XEXP (XEXP (op, 0), 1))"))) | |
| 52 | (match_test "CONSTANT_P (XEXP (op, 0))") | |
| 53 | ))) | |
| 54 | ||
| 55 | (define_constraint "Yl" | |
| 56 | "Memory reference, labels only." | |
| 57 | (and (match_code "mem") | |
| 58 | (match_code "label_ref" "0"))) | |
| 59 | ||
| 60 | ||
| 61 | ;; These are memory references that are safe to use with the X suffix, | |
| 62 | ;; because we know/assume they need not index across the 64k boundary. | |
| 63 | (define_constraint "Ys" | |
| 64 | "Memory reference, stack only." | |
| 65 | (and (match_code "mem") | |
| 66 | (ior | |
| 67 | (and (match_code "plus" "0") | |
| 68 | (and (match_code "reg" "00") | |
| 69 | (match_test ("CONST_INT_P (XEXP (XEXP (op, 0), 1))")) | |
| 70 | (match_test ("IN_RANGE (INTVAL (XEXP (XEXP (op, 0), 1)), -1 << 15, (1 << 15)-1)")))) | |
| 71 | (match_code "reg" "0") | |
| 72 | ))) |