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111b1cf97e
While mips has respected sim_igen_smp at configure time (which was always empty since it defaulted smp to off), no other igen port did. Move this to a makefile variable and plumb it through the common IGEN_RUN variable instead so everyone gets it by default. We also clean up some redundant -N0 setting with multirun mips.
39 lines
1.6 KiB
Plaintext
39 lines
1.6 KiB
Plaintext
dnl Copyright (C) 1997-2022 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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AC_DEFUN([SIM_AC_OPTION_SMP], [dnl
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AC_MSG_CHECKING([number of sim cpus to support])
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dnl TODO: We should increase the default to use smp at some point. When we do,
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dnl the ppc/configure sim-smp option should be merged. See the WITH_SMP check
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dnl below for more cleanups too.
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default_sim_smp="0"
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sim_smp="$default_sim_smp"
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AC_ARG_ENABLE(sim-smp,
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[AS_HELP_STRING([--enable-sim-smp=n],
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[Specify number of processors to configure for (default 1)])],
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[case "${enableval}" in
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yes) sim_smp="5";;
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no) sim_smp="0";;
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*) sim_smp="$enableval";;
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esac])dnl
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IGEN_FLAGS_SMP="-N ${sim_smp}"
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AC_SUBST(IGEN_FLAGS_SMP)
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dnl NB: The ppc code uses a diff default because its smp works. That is why
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dnl we don't unconditionally enable WITH_SMP here. Once we unify ppc, we can
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dnl make this unconditional.
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AS_VAR_IF([sim_smp], [0], [], [dnl
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AC_DEFINE_UNQUOTED([WITH_SMP], [$sim_smp], [Sim SMP settings])])
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AC_MSG_RESULT($sim_smp)
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])
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