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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [or32/] [constraints.md] - Rev 473
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;; Copyright (C) 2010 Embecosm Limited
;;
;; Contributed by Joern Rennecke <joern.rennecke@embecosm.com> 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
;; <http://www.gnu.org/licenses/>.
(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)))")))
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