1;; Constraint definitions for Tilera TILE-Gx. 2;; Copyright (C) 2011-2020 Free Software Foundation, Inc. 3;; Contributed by Walter Lee (walt@tilera.com) 4;; 5;; This file is part of GCC. 6;; 7;; GCC is free software; you can redistribute it and/or modify it 8;; under the terms of the GNU General Public License as published 9;; by the Free Software Foundation; either version 3, or (at your 10;; option) any later version. 11;; 12;; GCC is distributed in the hope that it will be useful, but WITHOUT 13;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 15;; License for more details. 16;; 17;; You should have received a copy of the GNU General Public License 18;; along with GCC; see the file COPYING3. If not see 19;; <http://www.gnu.org/licenses/>. 20 21(define_register_constraint "R00" "R0_REGS" "r0") 22(define_register_constraint "R01" "R1_REGS" "r1") 23(define_register_constraint "R02" "R2_REGS" "r2") 24(define_register_constraint "R03" "R3_REGS" "r3") 25(define_register_constraint "R04" "R4_REGS" "r4") 26(define_register_constraint "R05" "R5_REGS" "r5") 27(define_register_constraint "R06" "R6_REGS" "r6") 28(define_register_constraint "R07" "R7_REGS" "r7") 29(define_register_constraint "R08" "R8_REGS" "r8") 30(define_register_constraint "R09" "R9_REGS" "r9") 31(define_register_constraint "R10" "R10_REGS" "r10") 32 33(define_constraint "I" 34 "A signed 8 bit constant" 35 (and (match_code "const_int") 36 (match_test "ival >= -128 && ival <= 127"))) 37 38(define_constraint "J" 39 "Signed 16-bit integer constant" 40 (and (match_code "const_int") 41 (match_test "ival >= -32768 && ival <= 32767"))) 42 43(define_constraint "K" 44 "Unsigned 16-bit integer constant" 45 (and (match_code "const_int") 46 (match_test "(ival >= 0 && ival <= 65535)"))) 47 48(define_constraint "L" 49 "Integer constant that fits in one signed byte when incremented" 50 (and (match_code "const_int") 51 (match_test "ival >= -129 && ival <= 126"))) 52 53(define_constraint "M" 54 "A bit mask suitable for 'bfins'" 55 (and (match_code "const_int") 56 (match_test "tilegx_bitfield_operand_p (ival, NULL, NULL)"))) 57 58(define_constraint "N" 59 "Integer constant that is a byte tiled out eight times" 60 (and (match_code "const_int") 61 (match_test "(ival == (ival & 0xFF) * 0x0101010101010101LL)"))) 62 63(define_constraint "O" 64 "The integer zero constant" 65 (and (match_code "const_int") 66 (match_test "ival == 0"))) 67 68(define_constraint "P" 69 "Integer constant that is a sign-extended byte tiled out as four shorts" 70 (and (match_code "const_int") 71 (match_test "(ival 72 == ((trunc_int_for_mode (ival, QImode) & 0xFFFF) 73 * 0x0001000100010001LL))"))) 74 75(define_constraint "Q" 76 "Integer constant that fits in one signed byte when incremented, but not -1" 77 (and (match_code "const_int") 78 (match_test "ival >= -129 && ival <= 126 && ival != -1"))) 79 80(define_constraint "S" 81 "Integer constant that has all 1 bits consecutive and starting at bit 0" 82 (and (match_code "const_int") 83 (match_test "ival != 0 && (ival & (ival + 1)) == 0"))) 84 85(define_constraint "T" 86 "An unspec wrapper for a symbolc operand" 87 (ior (match_operand 0 "const_last_symbolic_operand") 88 (match_operand 0 "const_symbolic_operand"))) 89 90(define_memory_constraint "U" 91 "Non-auto-incrementing memory" 92 (and (match_code "mem") 93 (match_test "GET_RTX_CLASS (GET_CODE (XEXP (op, 0))) != RTX_AUTOINC"))) 94 95(define_constraint "W" 96 "An 8-element vector constant with identical elements" 97 (and (match_code "const_vector") 98 (match_test "CONST_VECTOR_NUNITS (op) == 8") 99 (match_test "const_vec_duplicate_p (op)"))) 100 101(define_constraint "Y" 102 "A 4-element vector constant with identical elements" 103 (and (match_code "const_vector") 104 (match_test "CONST_VECTOR_NUNITS (op) == 4") 105 (match_test "const_vec_duplicate_p (op)"))) 106 107(define_constraint "Z0" 108 "The integer constant 0xffffffff" 109 (and (match_code "const_int") 110 (match_test "ival == 0xffffffff"))) 111 112(define_constraint "Z1" 113 "The integer constant 0xffffffff00000000" 114 (and (match_code "const_int") 115 (match_test "ival == (HOST_WIDE_INT)0xffffffff00000000LL"))) 116