gcc/config/rl78/predicates.md

   1 ;;  Machine Description for Renesas RL78 processors
   2 ;;  Copyright (C) 2011-2015 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 \f
  21
  22 (define_predicate "rl78_volatile_memory_operand"
  23   (and (match_code "mem")
  24        (match_test ("memory_address_addr_space_p (GET_MODE (op), XEXP (op, 0), MEM_ADDR_SPACE (op))")))
  25 )
  26
  27 ; TRUE for any valid general operand.  We do this because
  28 ; general_operand refuses to match volatile memory refs.
  29
  30 (define_predicate "rl78_general_operand"
  31   (ior (match_operand 0 "general_operand")
  32        (match_operand 0 "rl78_volatile_memory_operand"))
  33 )
  34
  35 ; Likewise for nonimmediate_operand.
  36
  37 (define_predicate "rl78_nonimmediate_operand"
  38   (ior (match_operand 0 "nonimmediate_operand")
  39        (match_operand 0 "rl78_volatile_memory_operand"))
  40 )
  41
  42 (define_predicate "rl78_nonfar_operand"
  43   (and (match_operand 0 "rl78_general_operand")
  44        (not (match_test "rl78_far_p (op)")))
  45 )
  46
  47 (define_predicate "rl78_nonfar_nonimm_operand"
  48   (and (match_operand 0 "rl78_nonimmediate_operand")
  49        (not (match_test "rl78_far_p (op)")))
  50 )
  51
  52 (define_predicate "rl78_near_mem_operand"
  53   (and (match_code "mem")
  54        (match_test "!rl78_far_p (op) && rl78_as_legitimate_address (VOIDmode, XEXP (op, 0), true, ADDR_SPACE_GENERIC)"))
  55 )
  56
  57 (define_predicate "ubyte_operand"
  58   (and (match_code "const_int")
  59        (match_test "IN_RANGE (INTVAL (op), 0, 255)")))
  60
  61 (define_predicate "rl78_24_operand"
  62   (and (match_code "const_int")
  63        (match_test "INTVAL (op) == 2 || INTVAL (op) == 4")))
  64
  65 (define_predicate "uword_operand"
  66   (ior (ior (ior (match_code "const")
  67                  (and (match_code "const_int")
  68                       (match_test "IN_RANGE (INTVAL (op), 0, 65536)")))
  69             (and (match_code "subreg")
  70                  (ior (match_code "symbol_ref" "0")
  71                       (match_code "const" "0"))))
  72        (match_code "symbol_ref")
  73        ))
  74
  75 (define_predicate "rl78_cmp_operator_signed"
  76   (match_code "gt,ge,lt,le"))
  77 (define_predicate "rl78_cmp_operator_real"
  78   (match_code "eq,ne,gtu,ltu,geu,leu"))
  79 (define_predicate "rl78_cmp_operator"
  80   (match_code "eq,ne,gtu,ltu,geu,leu,gt,lt,ge,le"))
  81
  82 (define_predicate "rl78_ax_operand"
  83   (and (match_code "reg")
  84        (match_test "REGNO (op) == AX_REG || REGNO (op) >= FIRST_PSEUDO_REGISTER")))
  85
  86 (define_predicate "rl78_addw_operand"
  87   (and (match_code "reg")
  88        (match_test "REGNO (op) == AX_REG || REGNO (op) == SP_REG || REGNO (op) >= FIRST_PSEUDO_REGISTER")))
  89
  90 (define_predicate "rl78_stack_based_mem"
  91   (and (match_code "mem")
  92        (ior (and (match_code "reg" "0")
  93                  (match_test "REGNO (XEXP (op, 0)) == SP_REG"))
  94             (and (match_code "plus" "0")
  95                  (and (match_code "reg" "00")
  96                       (match_test "REGNO (XEXP (XEXP (op, 0), 0)) == SP_REG")
  97                       (and (match_code "const_int" "01")
  98                            (match_test "IN_RANGE (INTVAL (XEXP (XEXP (op, 0), 1)), 0, 256 - GET_MODE_SIZE (GET_MODE (op)))"))
  99                            )))))