| dnl Copyright (C) 1997-2023 Free Software Foundation, Inc. |
| dnl |
| dnl This program is free software; you can redistribute it and/or modify |
| dnl it under the terms of the GNU General Public License as published by |
| dnl the Free Software Foundation; either version 3 of the License, or |
| dnl (at your option) any later version. |
| dnl |
| dnl This program is distributed in the hope that it will be useful, |
| dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
| dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| dnl GNU General Public License for more details. |
| dnl |
| dnl You should have received a copy of the GNU General Public License |
| dnl along with this program. If not, see <http://www.gnu.org/licenses/>. |
| dnl |
| dnl Specify the alignment restrictions of the target architecture. |
| dnl Without this option all possible alignment restrictions are accommodated. |
| AC_DEFUN([SIM_AC_OPTION_ALIGNMENT], |
| [dnl |
| AC_MSG_CHECKING([whether to force sim alignment]) |
| sim_alignment= |
| AC_ARG_ENABLE(sim-alignment, |
| [AS_HELP_STRING([--enable-sim-alignment=align], |
| [Specify strict, nonstrict or forced alignment of memory accesses])], |
| [case "${enableval}" in |
| yes | strict | STRICT) sim_alignment="STRICT_ALIGNMENT";; |
| no | nonstrict | NONSTRICT) sim_alignment="NONSTRICT_ALIGNMENT";; |
| forced | FORCED) sim_alignment="FORCED_ALIGNMENT";; |
| *) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment");; |
| esac])dnl |
| AC_DEFINE_UNQUOTED([WITH_ALIGNMENT], [${sim_alignment:-0}], [Sim alignment settings]) |
| AC_MSG_RESULT([${sim_alignment:-no}]) |
| ])dnl |
