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;; Constraint definitions for Renesas RX.
;; Copyright (C) 2008-2013 Free Software Foundation, Inc.
;; Contributed by Red Hat.
;;
;; 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 "Symbol"
"@internal Constraint on the type of rtx allowed in call insns"
(match_test "GET_CODE (op) == SYMBOL_REF")
)
(define_constraint "Int08"
"@internal A signed or unsigned 8-bit immediate value"
(and (match_code "const_int")
(match_test "IN_RANGE (ival, (-1 << 8), (1 << 8) - 1)")
)
)
(define_constraint "Sint08"
"@internal A signed 8-bit immediate value"
(and (match_code "const_int")
(match_test "IN_RANGE (ival, (-1 << 7), (1 << 7) - 1)")
)
)
(define_constraint "Sint16"
"@internal A signed 16-bit immediate value"
(and (match_code "const_int")
(match_test "IN_RANGE (ival, (-1 << 15), (1 << 15) - 1)")
)
)
(define_constraint "Sint24"
"@internal A signed 24-bit immediate value"
(and (match_code "const_int")
(match_test "IN_RANGE (ival, (-1 << 23), (1 << 23) - 1)")
)
)
;; This constraint is used by the SUBSI3 pattern because the
;; RX SUB instruction can only take a 4-bit unsigned integer
;; value. Also used by the MVTIPL instruction.
(define_constraint "Uint04"
"@internal An unsigned 4-bit immediate value"
(and (match_code "const_int")
(match_test "IN_RANGE (ival, 0, 15)")
)
)
(define_constraint "NEGint4"
"@internal An signed 4-bit negative immediate value"
(and (match_code "const_int")
(match_test "IN_RANGE (ival, -15, -1)")
)
)
;; This is used in arithmetic and logic instructions for
;; a source operand that lies in memory and which satisfies
;; rx_restricted_memory_address().
(define_memory_constraint "Q"
"A MEM which only uses REG or REG+INT addressing."
(and (match_code "mem")
(ior (match_code "reg" "0")
(and (match_code "plus" "0")
(and (match_code "reg,subreg" "00")
(match_code "const_int" "01")
)
)
)
)
)
(define_constraint "Rpid"
"A MEM to a PID variable"
(and (match_code "mem")
(and (match_code "plus" "0")
(and (match_code "reg,subreg" "00")
(match_code "unspec" "01")
)
)
)
)
(define_constraint "Rpda"
"An address to a PID variable"
(and (match_code "plus" "")
(and (match_code "reg,subreg" "0")
(match_code "unspec" "1")
)
)
)
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