56 lines
2.0 KiB
Markdown
56 lines
2.0 KiB
Markdown
|
;; Predicate definitions for Moxie
|
||
|
|
;; Copyright (C) 2009-2021 Free Software Foundation, Inc.
|
||
|
|
;; Contributed by Anthony Green <green@moxielogic.com>
|
||
|
|
|
||
|
|
;; This file is part of GCC.
|
||
|
|
|
||
|
|
;; GCC is free software; you can redistribute it and/or modify it
|
||
|
|
;; under the terms of the GNU General Public License as published
|
||
|
|
;; by the Free Software Foundation; either version 3, or (at your
|
||
|
|
;; option) any later version.
|
||
|
|
|
||
|
|
;; GCC is distributed in the hope that it will be useful, but WITHOUT
|
||
|
|
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
||
|
|
;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
||
|
|
;; License for more details.
|
||
|
|
|
||
|
|
;; You should have received a copy of the GNU General Public License
|
||
|
|
;; along with GCC; see the file COPYING3. If not see
|
||
|
|
;; <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
;; -------------------------------------------------------------------------
|
||
|
|
;; Predicates
|
||
|
|
;; -------------------------------------------------------------------------
|
||
|
|
|
||
|
|
;; Nonzero if OP can be source of a simple move operation.
|
||
|
|
|
||
|
|
(define_predicate "moxie_general_movsrc_operand"
|
||
|
|
(match_code "mem,const_int,reg,subreg,symbol_ref,label_ref,const")
|
||
|
|
{
|
||
|
|
/* Any (MEM LABEL_REF) is OK. That is a pc-relative load. */
|
||
|
|
if (MEM_P (op) && GET_CODE (XEXP (op, 0)) == LABEL_REF)
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
if (MEM_P (op)
|
||
|
|
&& GET_CODE (XEXP (op, 0)) == PLUS
|
||
|
|
&& GET_CODE (XEXP (XEXP (op, 0), 0)) == REG
|
||
|
|
&& GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST_INT
|
||
|
|
&& IN_RANGE (INTVAL (XEXP (XEXP (op, 0), 1)), -32768, 32767))
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
return general_operand (op, mode);
|
||
|
|
})
|
||
|
|
|
||
|
|
;; Nonzero if OP can be an operand to an add/inc/dec instruction.
|
||
|
|
|
||
|
|
(define_predicate "moxie_add_operand"
|
||
|
|
(ior (match_code "reg")
|
||
|
|
(and (match_code "const_int")
|
||
|
|
(match_test "IN_RANGE (INTVAL (op), -255, 255)"))))
|
||
|
|
|
||
|
|
;; Nonzero if OP can be an operand to an sub/dec instruction.
|
||
|
|
|
||
|
|
(define_predicate "moxie_sub_operand"
|
||
|
|
(ior (match_code "reg")
|
||
|
|
(and (match_code "const_int")
|
||
|
|
(match_test "IN_RANGE (INTVAL (op), 0, 255)"))))
|