sim/m4/sim_ac_option_reserved_bits.m4

   1 dnl Copyright (C) 1997-2023 Free Software Foundation, Inc.
   2 dnl
   3 dnl This program is free software; you can redistribute it and/or modify
   4 dnl it under the terms of the GNU General Public License as published by
   5 dnl the Free Software Foundation; either version 3 of the License, or
   6 dnl (at your option) any later version.
   7 dnl
   8 dnl This program is distributed in the hope that it will be useful,
   9 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 dnl GNU General Public License for more details.
  12 dnl
  13 dnl You should have received a copy of the GNU General Public License
  14 dnl along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15 AC_DEFUN([SIM_AC_OPTION_RESERVED_BITS],
  16 [dnl
  17 AC_MSG_CHECKING([whether to check reserved bits in instruction])
  18 AC_ARG_ENABLE(sim-reserved-bits,
  19 [AS_HELP_STRING([--enable-sim-reserved-bits],
  20                 [Specify whether to check reserved bits in instruction])],
  21 [case "${enableval}" in
  22 yes|no) ;;
  23 *) AC_MSG_ERROR("--enable-sim-reserved-bits does not take a value");;
  24 esac])
  25 if test "x${enable_sim_reserved_bits}" != xno; then
  26   sim_reserved_bits=1
  27   AC_MSG_RESULT([yes])
  28 else
  29   sim_reserved_bits=0
  30   AC_MSG_RESULT([no])
  31 fi
  32 AC_DEFINE_UNQUOTED([WITH_RESERVED_BITS], [$sim_reserved_bits], [Sim reserved bits setting])
  33 ])