config.gcc (mips*-mti-elf*): New target.

2012-09-19  Steve Ellcey  <sellcey@mips.com>

	* config.gcc (mips*-mti-elf*): New target.
	* config/mips/mti-elf.h: New file.
	* config/mips/t-mti-elf: New file.

From-SVN: r191496

gcc/ChangeLog

+2012-09-19  Steve Ellcey  <sellcey@mips.com>
+
+	* config.gcc (mips*-mti-elf*): New target.
+	* config/mips/mti-elf.h: New file.
+	* config/mips/t-mti-elf: New file.
+
 2012-09-19  Dehao Chen  <dehao@google.com>
 
 	* toplev.c (general_init): Init block_locations.

gcc/config.gcc

@@ -1742,6 +1742,11 @@ mips*-*-linux*)				# Linux MIPS, either endian.
         esac
 	test x$with_llsc != x || with_llsc=yes
 	;;
+mips*-mti-elf*)
+	tm_file="elfos.h newlib-stdint.h ${tm_file} mips/elf.h mips/sde.h mips/mti-elf.h"
+	tmake_file="mips/t-mti-elf"
+	tm_defines="${tm_defines} MIPS_ISA_DEFAULT=33 MIPS_ABI_DEFAULT=ABI_32"
+	;;
 mips*-sde-elf*)
 	tm_file="elfos.h newlib-stdint.h ${tm_file} mips/elf.h mips/sde.h"
 	tmake_file="mips/t-sde"

gcc/config/mips/mti-elf.h

+/* Target macros for mips*-mti-elf targets.
+   Copyright (C) 2012
+   Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#undef DRIVER_SELF_SPECS
+#define DRIVER_SELF_SPECS						\
+  /* Make sure a -mips option is present.  This helps us to pick	\
+     the right multilib, and also makes the later specs easier		\
+     to write.  */							\
+  MIPS_ISA_LEVEL_SPEC,							\
+									\
+  /* Infer the default float setting from -march.  */			\
+  MIPS_ARCH_FLOAT_SPEC,							\
+									\
+  /* Infer the -msynci setting from -march if not explicitly set.  */	\
+  MIPS_ISA_SYNCI_SPEC,							\
+									\
+  /* If no ABI option is specified, infer one from the ISA level	\
+     or -mgp setting.  */						\
+  "%{!mabi=*: %{" MIPS_32BIT_OPTION_SPEC ": -mabi=32;: -mabi=n32}}",	\
+									\
+  /* Make sure that an endian option is always present.  This makes	\
+     things like LINK_SPEC easier to write.  */				\
+  "%{!EB:%{!EL:%(endian_spec)}}",					\
+									\
+  /* Configuration-independent MIPS rules.  */				\
+  BASE_DRIVER_SELF_SPECS

gcc/config/mips/t-mti-elf

+# Copyright (C) 2012 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GCC is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+MULTILIB_OPTIONS = mips32/mips64/mips64r2 mips16 mabi=64 EL msoft-float
+MULTILIB_DIRNAMES = mips32 mips64 mips64r2 mips16 64 el sof
+MULTILIB_MATCHES = EL=mel EB=meb
+
+# We do not want to build mips16 versions of mips64* architectures.
+MULTILIB_EXCEPTIONS += *mips64*/*mips16*
+
+# 64 bit ABI is not supported on mips32 architecture.
+MULTILIB_EXCEPTIONS += *mips32*/*mabi=64*
+
+# The 64 bit ABI is not supported on the mips32r2 bit architecture.
+# Because mips32r2 is the default the exception list is a little messy.
+# Basically we are saying any list that doesn't specify mips32, mips64,
+# or mips64r2 but does specify mabi=64 is not allowed because that
+# would be defaulting to the mips32r2 architecture.
+MULTILIB_EXCEPTIONS += mabi=64*
+MULTILIB_EXCEPTIONS += mips16/mabi=64*