3.6 KiB
;; Constraint definitions for the MN10300. ;; Copyright (C) 2007, 2008 Free Software Foundation, Inc. ;; ;; 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/.
(define_register_constraint "d" "DATA_REGS" "A data register.")
(define_register_constraint "a" "ADDRESS_REGS" "An address register.")
(define_register_constraint "y" "SP_REGS" "An SP register (if available).")
(define_register_constraint "x" "TARGET_AM33 ? EXTENDED_REGS : NO_REGS" "An extended register.")
(define_register_constraint "f" "TARGET_AM33_2 ? FP_REGS : NO_REGS" "A floating point register.")
(define_register_constraint "A" "TARGET_AM33_2 ? FP_ACC_REGS : NO_REGS" "A floating point accumulator register.")
(define_memory_constraint "Q" "@internal" (and (match_code "mem") (match_test "!CONSTANT_ADDRESS_P (XEXP (op, 0))")))
(define_memory_constraint "R" "@internal" (and (match_code "mem") (match_test "mode == QImode") (ior (match_test "CONSTANT_ADDRESS_P (XEXP (op, 0))") (and (match_test "GET_CODE (XEXP (op, 0)) == REG") (match_test "REG_OK_FOR_BIT_BASE_P (XEXP (op, 0))") (match_test "XEXP (op, 0) != stack_pointer_rtx")) (and (match_test "GET_CODE (XEXP (op, 0)) == PLUS") (match_test "GET_CODE (XEXP (XEXP (op, 0), 0)) == REG") (match_test "REG_OK_FOR_BIT_BASE_P (XEXP (XEXP (op, 0), 0))") (match_test "XEXP (XEXP (op, 0), 0) != stack_pointer_rtx") (match_test "GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST_INT") (match_test "INT_8_BITS (INTVAL (XEXP (XEXP (op, 0), 1)))")))))
(define_memory_constraint "T" "@internal" (and (match_code "mem") (match_test "mode == QImode") (and (match_test "GET_CODE (XEXP (op, 0)) == REG") (match_test "REG_OK_FOR_BIT_BASE_P (XEXP (op, 0))") (match_test "XEXP (op, 0) != stack_pointer_rtx"))))
(define_constraint "S" "@internal" (if_then_else (match_test "flag_pic") (and (match_test "GET_CODE (op) == UNSPEC") (ior (match_test "XINT (op, 1) == UNSPEC_PLT") (match_test "XINT (op, 1) == UNSPEC_PIC") (match_test "XINT (op, 1) == UNSPEC_GOTSYM_OFF"))) (match_test "GET_CODE (op) == SYMBOL_REF")))
;; Integer constraints
(define_constraint "I" "An integer zero." (and (match_code "const_int") (match_test "ival == 0")))
(define_constraint "J" "An integer one." (and (match_code "const_int") (match_test "ival == 1")))
(define_constraint "K" "An integer two." (and (match_code "const_int") (match_test "ival == 2")))
(define_constraint "L" "An integer four." (and (match_code "const_int") (match_test "ival == 4")))
(define_constraint "M" "An integer three." (and (match_code "const_int") (match_test "ival == 3")))
(define_constraint "N" "An integer of either 255 or 65535." (and (match_code "const_int") (ior (match_test "ival == 255") (match_test "ival == 65535"))))
;; Floating-point constraints (define_constraint "G" "Floating-point zero." (and (match_code "const_double") (match_test "op == CONST0_RTX (mode)")))