;; Constraint definitions for Tilera TILE-Gx. ;; 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” “Unsigned 16-bit integer constant” (and (match_code “const_int”) (match_test “(ival >= 0 && ival <= 65535)”)))

(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 ‘bfins’” (and (match_code “const_int”) (match_test “tilegx_bitfield_operand_p (ival, NULL, NULL)”)))

(define_constraint “N” “Integer constant that is a byte tiled out eight times” (and (match_code “const_int”) (match_test “(ival == (ival & 0xFF) * 0x0101010101010101LL)”)))

(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 four shorts” (and (match_code “const_int”) (match_test “(ival == ((trunc_int_for_mode (ival, QImode) & 0xFFFF) * 0x0001000100010001LL))”)))

(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 “S” “Integer constant that has all 1 bits consecutive and starting at bit 0” (and (match_code “const_int”) (match_test “ival != 0 && (ival & (ival + 1)) == 0”)))

(define_constraint “T” “An unspec wrapper for a symbolc operand” (ior (match_operand 0 “const_last_symbolic_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” “An 8-element vector constant with identical elements” (and (match_code “const_vector”) (match_test “CONST_VECTOR_NUNITS (op) == 8”) (match_test “const_vec_duplicate_p (op)”)))

(define_constraint “Y” “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 “Z0” “The integer constant 0xffffffff” (and (match_code “const_int”) (match_test “ival == 0xffffffff”)))

(define_constraint “Z1” “The integer constant 0xffffffff00000000” (and (match_code “const_int”) (match_test “ival == (HOST_WIDE_INT)0xffffffff00000000LL”)))