1 ;; Predicate definitions for Moxie
2 ;; Copyright (C) 2009-2013 Free Software Foundation, Inc.
3 ;; Contributed by Anthony Green <green@moxielogic.com>
5 ;; This file is part of GCC.
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.
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.
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/>.
21 ;; -------------------------------------------------------------------------
23 ;; -------------------------------------------------------------------------
25 ;; Nonzero if OP can be source of a simple move operation.
27 (define_predicate "moxie_general_movsrc_operand"
28 (match_code "mem,const_int,reg,subreg,symbol_ref,label_ref,const")
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)
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)
40 return general_operand (op, mode);
43 ;; Nonzero if OP can be an operand to an add/inc/dec instruction.
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)"))))
50 ;; Nonzero if OP can be an operand to an sub/dec instruction.
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)"))))