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;; Constraint definitions for S+CORE
;; Copyright (C) 2005-2014 Free Software Foundation, Inc.
;; Contributed by Sunnorth.
;; 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/>. */
;; -------------------------------------------------------------------------
;; Constraints
;; -------------------------------------------------------------------------
;; Register constraints.
(define_register_constraint "d" "G32_REGS"
"r0 to r31")
(define_register_constraint "e" "G16_REGS"
"r0 to r15")
(define_register_constraint "t" "T32_REGS"
"r8 to r11 | r22 to r27")
(define_register_constraint "h" "HI_REG"
"hi")
(define_register_constraint "l" "LO_REG"
"lo")
(define_register_constraint "x" "CE_REGS"
"hi + lo")
(define_register_constraint "q" "CN_REG"
"cnt")
(define_register_constraint "y" "LC_REG"
"lcb")
(define_register_constraint "z" "SC_REG"
"scb")
(define_register_constraint "a" "SP_REGS"
"cnt + lcb + scb")
(define_register_constraint "c" "CR_REGS"
"cr0 to cr15")
;; Integer constant constraints.
(define_constraint "I"
"High 16-bit constant (32-bit constant with 16 LSBs zero)."
(and (match_code "const_int")
(match_test "(ival & 0xffff) == 0")))
(define_constraint "J"
"Unsigned 5 bit integer (in the range 0 to 31)."
(and (match_code "const_int")
(match_test "ival >= 0 && ival <= 31")))
(define_constraint "K"
"Unsigned 16 bit integer (in the range 0 to 65535)."
(and (match_code "const_int")
(match_test "ival >= 0 && ival <= 65535")))
(define_constraint "L"
"Signed 16 bit integer (in the range −32768 to 32767)."
(and (match_code "const_int")
(match_test "ival >= -32768 && ival <= 32767")))
(define_constraint "M"
"Unsigned 14 bit integer (in the range 0 to 16383)."
(and (match_code "const_int")
(match_test "ival >= 0 && ival <= 16383")))
(define_constraint "N"
"Signed 14 bit integer (in the range −8192 to 8191)."
(and (match_code "const_int")
(match_test "ival >= -8192 && ival <= 8191")))
(define_constraint "Z"
"Any SYMBOL_REF."
(and (match_code "symbol_ref")
(match_test "GET_CODE (op) == SYMBOL_REF")))
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