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      1 ;; Constraint definitions for the FR30.
      2 ;; Copyright (C) 2011-2022 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")))
     72