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;; Constraint definitions for the FR30.

;; Copyright (C) 2011

;; 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

;; .

;; Register constraints.

(define_register_constraint "d" "MULTIPLY_64_REG"

  "The MDH,MDL register pair as used by MUL and MULU.")

(define_register_constraint "e" "MULTIPLY_32_REG"

  "The MDL register as used by MULH and MULUH.")

(define_register_constraint "h" "HIGH_REGS"

  "Registers 8 through 15.")

(define_register_constraint "l" "LOW_REGS"

  "Registers 0 through 7.")

(define_register_constraint "a" "ALL_REGS"

  "@internal")

;; Integer constraints.

(define_constraint "I"

  "An integer in the range 0 to 15."

  (and (match_code "const_int")

       (match_test "IN_RANGE (ival, 0, 15)")))

(define_constraint "J"

  "An integer in the range -16 to -1."

  (and (match_code "const_int")

       (match_test "IN_RANGE (ival, -16, -1)")))

(define_constraint "K"

  "An integer in the range 16 to 31."

  (and (match_code "const_int")

       (match_test "IN_RANGE (ival, 16, 31)")))

(define_constraint "L"

  "An integer in the range 0 to 255."

  (and (match_code "const_int")

       (match_test "IN_RANGE (ival, 0, 255)")))

(define_constraint "M"

  "An integer in the range 0 to 1048575."

  (and (match_code "const_int")

       (match_test "IN_RANGE (ival, 0, 1048575)")))

(define_constraint "P"

  "An integer in the range -256 to 255."

  (and (match_code "const_int")

       (match_test "IN_RANGE (ival, -256, 255)")))

;; Extra constraints.

(define_constraint "Q"

  "@internal"

  (and (match_code "mem")

       (match_code "symbol_ref" "0")))