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760b3e8bc9
This file is quite large and is getting unmanageable. Split it apart to follow aclocal best practices by putting one-macro-per-file. There shouldn't be any real functional changes here as can be seen in the configure script regens.
48 lines
2.1 KiB
Plaintext
48 lines
2.1 KiB
Plaintext
dnl Copyright (C) 1997-2021 Free Software Foundation, Inc.
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 3 of the License, or
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dnl (at your option) any later version.
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dnl
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
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dnl
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dnl --enable-sim-float is for developers of the simulator
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dnl It specifies the presence of hardware floating point
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dnl And optionally the bitsize of the floating point register.
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dnl arg[1] specifies the presence (or absence) of floating point hardware
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dnl arg[2] specifies the number of bits in a floating point register
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AC_DEFUN([SIM_AC_OPTION_FLOAT],
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[
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default_sim_float="[$1]"
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default_sim_float_bitsize="[$2]"
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AC_ARG_ENABLE(sim-float,
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[AS_HELP_STRING([--enable-sim-float],
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[Specify that the target processor has floating point hardware])],
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[case "${enableval}" in
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yes | hard) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT";;
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no | soft) sim_float="-DWITH_FLOATING_POINT=SOFT_FLOATING_POINT";;
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32) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=32";;
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64) sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT -DWITH_TARGET_FLOATING_POINT_BITSIZE=64";;
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*) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-float"); sim_float="";;
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esac
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if test x"$silent" != x"yes" && test x"$sim_float" != x""; then
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echo "Setting float flags = $sim_float" 6>&1
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fi],[
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sim_float=
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if test x"${default_sim_float}" != x""; then
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sim_float="-DWITH_FLOATING_POINT=${default_sim_float}"
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fi
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if test x"${default_sim_float_bitsize}" != x""; then
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sim_float="$sim_float -DWITH_TARGET_FLOATING_POINT_BITSIZE=${default_sim_float_bitsize}"
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fi
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])dnl
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])
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AC_SUBST(sim_float)
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