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-rw-r--r--sim/mips/acinclude-top.m434
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diff --git a/sim/mips/acinclude-top.m4 b/sim/mips/acinclude-top.m4
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+dnl TODO: Rename this to acinclude.m4 once mips/configure is removed.
+dnl
+dnl Copyright (C) 2005-2022 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 NB: This file is included in sim/configure, so keep settings namespaced.
+
+dnl DEPRECATED
+dnl
+dnl Instead of defining a `subtarget' macro, code should be checking the value
+dnl of {STATE,CPU}_ARCHITECTURE to identify the architecture dnl in question.
+AC_MSG_CHECKING([mips subtarget])
+SIM_MIPS_SUBTARGET=
+AS_CASE([${target}],
+ [mips64vr*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"],
+ [mips*tx39*], [SIM_MIPS_SUBTARGET="-DSUBTARGET_R3900=1"],
+ [mips*-sde-elf*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"],
+ [mips*-mti-elf*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"],
+ [mipsisa32*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"],
+ [mipsisa64*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"])
+AC_MSG_RESULT([${SIM_MIPS_SUBTARGET:-none}])
+AC_SUBST(SIM_MIPS_SUBTARGET)