dnl Copyright (C) 1997-2024 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 --enable-sim-float is for developers of the simulator dnl It specifies the presence of hardware floating point dnl And optionally the bitsize of the floating point register. dnl arg[1] specifies the presence (or absence) of floating point hardware dnl arg[2] specifies the number of bits in a floating point register AC_DEFUN([SIM_AC_OPTION_FLOAT], [ default_sim_float="[$1]" default_sim_float_bitsize="[$2]" AC_ARG_ENABLE(sim-float, [AS_HELP_STRING([--enable-sim-float], [Specify that the target processor has floating point hardware])], [case "${enableval}" in yes | hard) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT";; no | soft) sim_float="-DWITH_FLOATING_POINT=SOFT_FLOATING_POINT";; 32) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=32";; 64) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=64";; *) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-float"); sim_float="";; esac if test x"$silent" != x"yes" && test x"$sim_float" != x""; then echo "Setting float flags = $sim_float" 6>&1 fi],[ sim_float= if test x"${default_sim_float}" != x""; then sim_float="-DWITH_FLOATING_POINT=${default_sim_float}" fi if test x"${default_sim_float_bitsize}" != x""; then sim_float="$sim_float -DWITH_TARGET_FLOATING_POINT_BITSIZE=${default_sim_float_bitsize}" fi ])dnl ]) AC_SUBST(sim_float)