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;; Constraint definitions for Tilera TILEPro chip.
;; Copyright (C) 2011-2019 Free Software Foundation, Inc.
;; Contributed by Walter Lee (walt@tilera.com)
;;
;; 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_register_constraint "R00" "R0_REGS" "r0")
(define_register_constraint "R01" "R1_REGS" "r1")
(define_register_constraint "R02" "R2_REGS" "r2")
(define_register_constraint "R03" "R3_REGS" "r3")
(define_register_constraint "R04" "R4_REGS" "r4")
(define_register_constraint "R05" "R5_REGS" "r5")
(define_register_constraint "R06" "R6_REGS" "r6")
(define_register_constraint "R07" "R7_REGS" "r7")
(define_register_constraint "R08" "R8_REGS" "r8")
(define_register_constraint "R09" "R9_REGS" "r9")
(define_register_constraint "R10" "R10_REGS" "r10")
(define_constraint "I"
"A signed 8 bit constant"
(and (match_code "const_int")
(match_test "ival >= -128 && ival <= 127")))
(define_constraint "J"
"Signed 16-bit integer constant"
(and (match_code "const_int")
(match_test "ival >= -32768 && ival <= 32767")))
(define_constraint "K"
"Nonzero integer constant with low 16 bits zero"
(and (match_code "const_int")
(match_test "ival && (ival & 0xFFFF) == 0")))
(define_constraint "L"
"Integer constant that fits in one signed byte when incremented"
(and (match_code "const_int")
(match_test "ival >= -129 && ival <= 126")))
(define_constraint "M"
"A bit mask suitable for 'mm'"
(and (match_code "const_int")
(match_test "tilepro_bitfield_operand_p (ival, NULL, NULL)")))
(define_constraint "N"
"Integer constant that is a byte tiled out four times"
(and (match_code "const_int")
(match_test "(ival & 0xFFFFFFFF) == (ival & 0xFF) * 0x01010101")))
(define_constraint "O"
"The integer zero constant"
(and (match_code "const_int")
(match_test "ival == 0")))
(define_constraint "P"
"Integer constant that is a sign-extended byte tiled out as two shorts"
(and (match_code "const_int")
(match_test "((ival & 0xFFFFFFFF)
== ((trunc_int_for_mode (ival, QImode) & 0xFFFF)
* 0x00010001))")))
(define_constraint "Q"
"Integer constant that fits in one signed byte when incremented, but not -1"
(and (match_code "const_int")
(match_test "ival >= -129 && ival <= 126 && ival != -1")))
(define_constraint "T"
"A const symbolc operand"
(match_operand 0 "const_symbolic_operand"))
(define_memory_constraint "U"
"Non-auto-incrementing memory"
(and (match_code "mem")
(match_test "GET_RTX_CLASS (GET_CODE (XEXP (op, 0))) != RTX_AUTOINC")))
(define_constraint "W"
"A 4-element vector constant with identical elements"
(and (match_code "const_vector")
(match_test "CONST_VECTOR_NUNITS (op) == 4")
(match_test "const_vec_duplicate_p (op)")))
(define_constraint "Y"
"A 2-element vector constant with identical elements"
(and (match_code "const_vector")
(match_test "CONST_VECTOR_NUNITS (op) == 2")
(match_test "const_vec_duplicate_p (op)")))
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