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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
;; <http://www.gnu.org/licenses/>.
;; 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")))
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