gcc/config/score/constraints.md

   1 ;; Constraint definitions for S+CORE
   2 ;; Copyright (C) 2005-2014 Free Software Foundation, Inc.
   3 ;; Contributed by Sunnorth.
   4
   5 ;; This file is part of GCC.
   6
   7 ;; GCC is free software; you can redistribute it and/or modify it
   8 ;; under the terms of the GNU General Public License as published
   9 ;; by the Free Software Foundation; either version 3, or (at your
  10 ;; option) any later version.
  11
  12 ;; GCC is distributed in the hope that it will be useful, but WITHOUT
  13 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14 ;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15 ;; 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 ;; Constraints
  23 ;; -------------------------------------------------------------------------
  24
  25 ;; Register constraints.
  26 (define_register_constraint "d" "G32_REGS"
  27   "r0 to r31")
  28
  29 (define_register_constraint "e" "G16_REGS"
  30   "r0 to r15")
  31
  32 (define_register_constraint "t" "T32_REGS"
  33   "r8 to r11 | r22 to r27")
  34
  35 (define_register_constraint "h" "HI_REG"
  36   "hi")
  37
  38 (define_register_constraint "l" "LO_REG"
  39   "lo")
  40
  41 (define_register_constraint "x" "CE_REGS"
  42   "hi + lo")
  43
  44 (define_register_constraint "q" "CN_REG"
  45   "cnt")
  46
  47 (define_register_constraint "y" "LC_REG"
  48   "lcb")
  49
  50 (define_register_constraint "z" "SC_REG"
  51   "scb")
  52
  53 (define_register_constraint "a" "SP_REGS"
  54   "cnt + lcb + scb")
  55
  56 (define_register_constraint "c" "CR_REGS"
  57   "cr0 to cr15")
  58
  59 ;; Integer constant constraints.
  60 (define_constraint "I"
  61   "High 16-bit constant (32-bit constant with 16 LSBs zero)."
  62   (and (match_code "const_int")
  63        (match_test "(ival & 0xffff) == 0")))
  64
  65 (define_constraint "J"
  66   "Unsigned 5 bit integer (in the range 0 to 31)."
  67   (and (match_code "const_int")
  68        (match_test "ival >= 0 && ival <= 31")))
  69
  70 (define_constraint "K"
  71   "Unsigned 16 bit integer (in the range 0 to 65535)."
  72   (and (match_code "const_int")
  73        (match_test "ival >= 0 && ival <= 65535")))
  74
  75 (define_constraint "L"
  76   "Signed 16 bit integer (in the range −32768 to 32767)."
  77   (and (match_code "const_int")
  78        (match_test "ival >= -32768 && ival <= 32767")))
  79
  80 (define_constraint "M"
  81   "Unsigned 14 bit integer (in the range 0 to 16383)."
  82   (and (match_code "const_int")
  83        (match_test "ival >= 0 && ival <= 16383")))
  84
  85 (define_constraint "N"
  86   "Signed 14 bit integer (in the range −8192 to 8191)."
  87   (and (match_code "const_int")
  88        (match_test "ival >= -8192 && ival <= 8191")))
  89
  90 (define_constraint "Z"
  91   "Any SYMBOL_REF."
  92   (and (match_code "symbol_ref")
  93        (match_test "GET_CODE (op) == SYMBOL_REF")))