comparison gcc/config/moxie/predicates.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
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children 04ced10e8804
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52:c156f1bd5cd9 55:77e2b8dfacca
1 ;; Predicate 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 ;; Predicates
23 ;; -------------------------------------------------------------------------
24
25 ;; Nonzero if OP can be source of a simple move operation.
26
27 (define_predicate "moxie_general_movsrc_operand"
28 (match_code "mem,const_int,reg,subreg,symbol_ref,label_ref,const")
29 {
30 /* Any (MEM LABEL_REF) is OK. That is a pc-relative load. */
31 if (MEM_P (op) && GET_CODE (XEXP (op, 0)) == LABEL_REF)
32 return 1;
33
34 if (MEM_P (op)
35 && GET_CODE (XEXP (op, 0)) == PLUS
36 && GET_CODE (XEXP (XEXP (op, 0), 0)) == REG
37 && GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST)
38 return 1;
39
40 return general_operand (op, mode);
41 })
42
43 ;; Nonzero if OP can be an operand to an add/inc/dec instruction.
44
45 (define_predicate "moxie_add_operand"
46 (ior (match_code "reg")
47 (and (match_code "const_int")
48 (match_test "IN_RANGE (INTVAL (op), -255, 255)"))))
49
50 ;; Nonzero if OP can be an operand to an sub/dec instruction.
51
52 (define_predicate "moxie_sub_operand"
53 (ior (match_code "reg")
54 (and (match_code "const_int")
55 (match_test "IN_RANGE (INTVAL (op), 0, 255)"))))