1;; Constraint definitions for V850. 2;; Copyright (C) 2011-2020 Free Software Foundation, Inc. 3;; 4;; This file is part of GCC. 5;; 6;; GCC is free software; you can redistribute it and/or modify 7;; it under the terms of the GNU General Public License as published by 8;; the Free Software Foundation; either version 3, or (at your option) 9;; any later version. 10;; 11;; GCC is distributed in the hope that it will be useful, 12;; but WITHOUT ANY WARRANTY; without even the implied warranty of 13;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14;; GNU General Public License for more details. 15;; 16;; You should have received a copy of the GNU General Public License 17;; along with GCC; see the file COPYING3. If not see 18;; <http://www.gnu.org/licenses/>. 19 20(define_register_constraint "e" "EVEN_REGS" 21 "@internal") 22 23;; Integer constraints. 24(define_constraint "I" 25 "Integer constant 0." 26 (and (match_code "const_int") 27 (match_test "ival == 0"))) 28 29(define_constraint "J" 30 "A signed 5-bit immediate." 31 (and (match_code "const_int") 32 (match_test "ival >= -16 && ival <= 15"))) 33 34(define_constraint "K" 35 "A signed 16-bit immediate." 36 (and (match_code "const_int") 37 (match_test "ival >= -32768 && ival <= 32767"))) 38 39(define_constraint "L" 40 "A valid constant for a movhi instruction." 41 (and (match_code "const_int") 42 (ior (match_test "(ival | 0x7fff0000) == 0x7fff0000") 43 (match_test "(ival | 0x7fff0000) + 0x10000 == 0")))) 44 45(define_constraint "M" 46 "An unsigned 16-bit immediate." 47 (and (match_code "const_int") 48 (match_test "ival >= 0 && ival <= 65535"))) 49 50(define_constraint "N" 51 "An unsigned 5-bit immediate in shift instructions." 52 (and (match_code "const_int") 53 (match_test "ival >= 0 && ival <= 31"))) 54 55(define_constraint "O" 56 "A signed 9-bit immediate for word multiply instructions." 57 (and (match_code "const_int") 58 (match_test "ival >= -255 && ival <= 255"))) 59 60(define_constraint "P" 61 "@internal" 62 (and (match_code "const_int") 63 (match_test "0"))) 64 65;; Floating-point constraints. 66(define_constraint "G" 67 "A zero of some form." 68 (and (match_code "const_double") 69 (ior (match_test "GET_MODE_CLASS (mode) == MODE_FLOAT") 70 (match_test "GET_MODE_CLASS (mode) == MODE_INT")) 71 (match_test "op == CONST0_RTX (mode)"))) 72 73(define_constraint "H" 74 "@internal" 75 (and (match_code "const_double") 76 (match_test "0"))) 77 78;;; Extra constraints. 79(define_memory_constraint "Q" 80 "A memory address that does not contain a symbol address." 81 (and (match_code "mem") 82 (match_test "ep_memory_operand (op, mode, FALSE)"))) 83 84(define_constraint "R" 85 "@internal" 86 (match_test "special_symbolref_operand (op, VOIDmode)")) 87 88(define_constraint "S" 89 "@internal" 90 (and (match_code "symbol_ref") 91 (match_test "!SYMBOL_REF_ZDA_P (op)"))) 92 93(define_constraint "T" 94 "@internal" 95 (match_test "ep_memory_operand (op, mode, TRUE)")) 96 97(define_constraint "U" 98 "@internal" 99 (ior (and (match_code "symbol_ref") 100 (match_test "SYMBOL_REF_ZDA_P (op)")) 101 (and (match_code "const") 102 (match_test "GET_CODE (XEXP (op, 0)) == PLUS") 103 (match_test "GET_CODE (XEXP (XEXP (op, 0), 0)) == SYMBOL_REF") 104 (match_test "SYMBOL_REF_ZDA_P (XEXP (XEXP (op, 0), 0))")))) 105 106(define_constraint "W" 107 "@internal" 108 (match_test "disp23_operand (op, VOIDmode)")) 109