Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/moxie/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 | |
| children | 04ced10e8804 |
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| 52:c156f1bd5cd9 | 55:77e2b8dfacca |
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| 1 ;; Constraint definitions for Moxie | |
| 2 ;; Copyright (C) 2009 Free Software Foundation, Inc. | |
| 3 ;; Contributed by Anthony Green <green@moxielogic.com> | |
| 4 | |
| 5 ;; This file is part of GCC. | |
| 6 | |
| 7 ;; GCC is free software; you can redistribute it and/or modify it | |
| 8 ;; under the terms of the GNU General Public License as published | |
| 9 ;; by the Free Software Foundation; either version 3, or (at your | |
| 10 ;; option) any later version. | |
| 11 | |
| 12 ;; GCC is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 14 ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 15 ;; 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 ;; ------------------------------------------------------------------------- | |
| 22 ;; Constraints | |
| 23 ;; ------------------------------------------------------------------------- | |
| 24 | |
| 25 (define_constraint "A" | |
| 26 "An absolute address." | |
| 27 (and (match_code "mem") | |
| 28 (ior (match_test "GET_CODE (XEXP (op, 0)) == SYMBOL_REF") | |
| 29 (match_test "GET_CODE (XEXP (op, 0)) == LABEL_REF") | |
| 30 (match_test "GET_CODE (XEXP (op, 0)) == CONST")))) | |
| 31 | |
| 32 (define_constraint "B" | |
| 33 "An offset address." | |
| 34 (and (match_code "mem") | |
| 35 (match_test "GET_CODE (XEXP (op, 0)) == PLUS"))) | |
| 36 | |
| 37 (define_constraint "W" | |
| 38 "A register indirect memory operand." | |
| 39 (and (match_code "mem") | |
| 40 (match_test "REG_P (XEXP (op, 0)) | |
| 41 && REGNO_OK_FOR_BASE_P (REGNO (XEXP (op, 0)))"))) | |
| 42 | |
| 43 (define_constraint "O" | |
| 44 "The constant zero" | |
| 45 (and (match_code "const_int") | |
| 46 (match_test "ival == 0"))) | |
| 47 | |
| 48 (define_constraint "I" | |
| 49 "An 8-bit constant (0..255)" | |
| 50 (and (match_code "const_int") | |
| 51 (match_test "ival >= 0 && ival <= 255"))) | |
| 52 | |
| 53 (define_constraint "N" | |
| 54 "A constant -(0..255)" | |
| 55 (and (match_code "const_int") | |
| 56 (match_test "ival >= -255 && ival <= 0"))) |