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diff --git a/gcc-4.9/libgcc/config/mips/lib2funcs.c b/gcc-4.9/libgcc/config/mips/lib2funcs.c
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+/* libgcc routines for MIPS
+ Copyright (C) 2013-2014 Free Software Foundation, Inc.
+ DMULT/DDIV replacement support by Juergen Urban, JuergenUrban@gmx.de.
+
+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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#if defined(__mips64) && defined(_MIPS_ARCH_R5900)
+
+/* Build DI version of libgcc functions. */
+#define LIBGCC2_UNITS_PER_WORD 4
+
+/* The following function is needed when !ISA_HAS_DMULT. */
+#define L_muldi3
+
+/* The following functions are needed when !ISA_HAS_DDIV. */
+#define L_divdi3
+#define L_moddi3
+#define L_udivdi3
+#define L_umoddi3
+#define L_udivmoddi4
+
+/* Use generic definition of functions. */
+#include "libgcc2.c"
+
+#endif