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1d506c26 | 1 | dnl Copyright (C) 1997-2024 Free Software Foundation, Inc. |
760b3e8b MF |
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 | dnl | |
16 | dnl --enable-sim-float is for developers of the simulator | |
17 | dnl It specifies the presence of hardware floating point | |
18 | dnl And optionally the bitsize of the floating point register. | |
19 | dnl arg[1] specifies the presence (or absence) of floating point hardware | |
20 | dnl arg[2] specifies the number of bits in a floating point register | |
21 | AC_DEFUN([SIM_AC_OPTION_FLOAT], | |
22 | [ | |
23 | default_sim_float="[$1]" | |
24 | default_sim_float_bitsize="[$2]" | |
25 | AC_ARG_ENABLE(sim-float, | |
26 | [AS_HELP_STRING([--enable-sim-float], | |
27 | [Specify that the target processor has floating point hardware])], | |
28 | [case "${enableval}" in | |
29 | yes | hard) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT";; | |
30 | no | soft) sim_float="-DWITH_FLOATING_POINT=SOFT_FLOATING_POINT";; | |
31 | 32) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=32";; | |
32 | 64) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=64";; | |
33 | *) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-float"); sim_float="";; | |
34 | esac | |
35 | if test x"$silent" != x"yes" && test x"$sim_float" != x""; then | |
36 | echo "Setting float flags = $sim_float" 6>&1 | |
37 | fi],[ | |
38 | sim_float= | |
39 | if test x"${default_sim_float}" != x""; then | |
40 | sim_float="-DWITH_FLOATING_POINT=${default_sim_float}" | |
41 | fi | |
42 | if test x"${default_sim_float_bitsize}" != x""; then | |
43 | sim_float="$sim_float -DWITH_TARGET_FLOATING_POINT_BITSIZE=${default_sim_float_bitsize}" | |
44 | fi | |
45 | ])dnl | |
46 | ]) | |
47 | AC_SUBST(sim_float) |