gcc/config/fr30/constraints.md

   1 ;; Constraint definitions for the FR30.
   2 ;; Copyright (C) 2011-2019 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 ;; Register constraints.
  21 (define_register_constraint "d" "MULTIPLY_64_REG"
  22   "The MDH,MDL register pair as used by MUL and MULU.")
  23
  24 (define_register_constraint "e" "MULTIPLY_32_REG"
  25   "The MDL register as used by MULH and MULUH.")
  26
  27 (define_register_constraint "h" "HIGH_REGS"
  28   "Registers 8 through 15.")
  29
  30 (define_register_constraint "l" "LOW_REGS"
  31   "Registers 0 through 7.")
  32
  33 (define_register_constraint "a" "ALL_REGS"
  34   "@internal")
  35
  36 ;; Integer constraints.
  37 (define_constraint "I"
  38   "An integer in the range 0 to 15."
  39   (and (match_code "const_int")
  40        (match_test "IN_RANGE (ival, 0, 15)")))
  41
  42 (define_constraint "J"
  43   "An integer in the range -16 to -1."
  44   (and (match_code "const_int")
  45        (match_test "IN_RANGE (ival, -16, -1)")))
  46
  47 (define_constraint "K"
  48   "An integer in the range 16 to 31."
  49   (and (match_code "const_int")
  50        (match_test "IN_RANGE (ival, 16, 31)")))
  51
  52 (define_constraint "L"
  53   "An integer in the range 0 to 255."
  54   (and (match_code "const_int")
  55        (match_test "IN_RANGE (ival, 0, 255)")))
  56
  57 (define_constraint "M"
  58   "An integer in the range 0 to 1048575."
  59   (and (match_code "const_int")
  60        (match_test "IN_RANGE (ival, 0, 1048575)")))
  61
  62 (define_constraint "P"
  63   "An integer in the range -256 to 255."
  64   (and (match_code "const_int")
  65        (match_test "IN_RANGE (ival, -256, 255)")))
  66
  67 ;; Extra constraints.
  68 (define_constraint "Q"
  69   "@internal"
  70   (and (match_code "mem")
  71        (match_code "symbol_ref" "0")))