gcc/config/rx/constraints.md

   1 ;; Constraint definitions for Renesas RX.
   2 ;; Copyright (C) 2008-2020 Free Software Foundation, Inc.
   3 ;; Contributed by Red Hat.
   4 ;;
   5 ;; This file is part of GCC.
   6 ;;
   7 ;; GCC is free software; you can redistribute it and/or modify
   8 ;; it under the terms of the GNU General Public License as published by
   9 ;; the Free Software Foundation; either version 3, or (at your option)
  10 ;; any later version.
  11 ;;
  12 ;; GCC is distributed in the hope that it will be useful,
  13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;; GNU General Public 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
  22 (define_constraint "Symbol"
  23   "@internal Constraint on the type of rtx allowed in call insns"
  24   (match_test "GET_CODE (op) == SYMBOL_REF")
  25 )
  26
  27
  28 (define_constraint "Int08"
  29   "@internal A signed or unsigned 8-bit immediate value"
  30   (and (match_code "const_int")
  31        (match_test "IN_RANGE (ival, (HOST_WIDE_INT_M1U << 8), (1 << 8) - 1)")
  32   )
  33 )
  34
  35 (define_constraint "Sint08"
  36   "@internal A signed 8-bit immediate value"
  37   (and (match_code "const_int")
  38        (match_test "IN_RANGE (ival, (HOST_WIDE_INT_M1U << 7), (1 << 7) - 1)")
  39   )
  40 )
  41
  42 (define_constraint "Sint16"
  43   "@internal A signed 16-bit immediate value"
  44   (and (match_code "const_int")
  45        (match_test "IN_RANGE (ival, (HOST_WIDE_INT_M1U << 15), (1 << 15) - 1)")
  46   )
  47 )
  48
  49 (define_constraint "Sint24"
  50   "@internal A signed 24-bit immediate value"
  51   (and (match_code "const_int")
  52        (match_test "IN_RANGE (ival, (HOST_WIDE_INT_M1U << 23), (1 << 23) - 1)")
  53   )
  54 )
  55
  56 ;; This constraint is used by the SUBSI3 pattern because the
  57 ;; RX SUB instruction can only take a 4-bit unsigned integer
  58 ;; value.  Also used by the MVTIPL instruction.
  59 (define_constraint "Uint04"
  60   "@internal An unsigned 4-bit immediate value"
  61   (and (match_code "const_int")
  62        (match_test "IN_RANGE (ival, 0, 15)")
  63   )
  64 )
  65
  66 (define_constraint "NEGint4"
  67   "@internal An signed 4-bit negative immediate value"
  68   (and (match_code "const_int")
  69        (match_test "IN_RANGE (ival, -15, -1)")
  70   )
  71 )
  72
  73 ;; This is used in arithmetic and logic instructions for
  74 ;; a source operand that lies in memory and which satisfies
  75 ;; rx_restricted_memory_address().
  76
  77 (define_memory_constraint "Q"
  78   "A MEM which only uses REG or REG+INT addressing."
  79   (and (match_code "mem")
  80        (ior (match_code "reg" "0")
  81             (and (match_code "plus" "0")
  82                  (and (match_code "reg,subreg" "00")
  83                       (match_code "const_int" "01")
  84                  )
  85             )
  86        )
  87   )
  88 )
  89
  90 (define_constraint "Rpid"
  91   "A MEM to a PID variable"
  92   (and (match_code "mem")
  93        (and (match_code "plus" "0")
  94             (and (match_code "reg,subreg" "00")
  95                  (match_code "unspec" "01")
  96             )
  97        )
  98   )
  99 )
 100
 101 (define_constraint "Rpda"
 102   "An address to a PID variable"
 103   (and (match_code "plus" "")
 104        (and (match_code "reg,subreg" "0")
 105             (match_code "unspec" "1")
 106        )
 107   )
 108 )
 109
 110 (define_constraint "CALL_OP_SYMBOL_REF"
 111 "constraint for call instructions using symbol ref"
 112 (and (match_test "!TARGET_JSR")
 113      (match_code "symbol_ref"))
 114 )