Subversion Repositories openrisc_2011-10-31

;; Copyright (C) 2010 Embecosm Limited

;;

;; Contributed by Joern Rennecke  in 2010

;;

;; 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

;; .

(define_constraint "I"

  ""

  (and (match_code "const_int")

       (match_test "ival >= -32768 && ival <= 32767")))

(define_constraint "J"

  ""

  (and (match_code "const_int")

       (match_test "ival == 0")))

(define_constraint "K"

  ""

  (and (match_code "const_int")

       (match_test "ival >= 0 && ival <= 65535")))

(define_constraint "L"

  ""

  (and (match_code "const_int")

       (match_test "ival >= 0 && ival <= 31")))

(define_constraint "M"

  ""

  (and (match_code "const_int")

       (match_test "(ival & 0xffff) == 0")))

(define_constraint "N"

  ""

  (and (match_code "const_int")

       (match_test "ival >= -33554432 && ival <= 33554431")))

(define_constraint "O"

  ""

  (and (match_code "const_int")

       (match_test "ival == 0")))

(define_constraint "C"

  ""

  (match_code "const_double"))

(define_constraint "Rsc"

  "@internal

   Registers that can be used unproblematically for a sibling call"

  (and (match_code "REG")

       (match_test "!(or32_save_reg_p_cached (REGNO (op)))")))