;; Predicate definitions for Moxie ;; Copyright (C) 2009-2022 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)”))))