;; Constraint definitions for Tilera TILEPro chip. ;; Copyright (C) 2011-2021 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)”)))