gcc/config/moxie/predicates.md

;; 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)”))))