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diff --git a/gcc/config/mips/r3900.h b/gcc/config/mips/r3900.h
index 3eb62d89..66aaf940 100644
--- a/gcc/config/mips/r3900.h
+++ b/gcc/config/mips/r3900.h
@@ -1,28 +1,27 @@
 /* Definitions of MIPS sub target machine for GNU compiler.
    Toshiba r3900.  You should include mips.h after this.
 
-   Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
-   Free Software Foundation, Inc.
+   Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2004,
+   2007 Free Software Foundation, Inc.
    Contributed by Gavin Koch (gavin@cygnus.com).
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC is free software; you can redistribute it and/or modify
+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 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
 any later version.
 
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 
-#define MIPS_CPU_STRING_DEFAULT "R3900"
+#define MIPS_CPU_STRING_DEFAULT "r3900"
 #define MIPS_ISA_DEFAULT 1
 
 #define MULTILIB_DEFAULTS { MULTILIB_ENDIAN_DEFAULT, "msoft-float" }
@@ -30,34 +29,8 @@ Boston, MA 02111-1307, USA.  */
 /* We use the MIPS EABI by default.  */
 #define MIPS_ABI_DEFAULT ABI_EABI
 
-#define SUBTARGET_CPP_SPEC "\
-%{!mabi=32: %{!mabi=n32: %{!mabi=64: -D__mips_eabi}}} \
-%{!msingle-float:-D__mips_soft_float} \
-%{mhard-float:%e-mhard-float not supported} \
-%{msingle-float:%{msoft-float: \
-  %e-msingle-float and -msoft-float can not both be specified}}"
-
-/* by default (if not mips-something-else) produce code for the r3900 */
+/* By default (if not mips-something-else) produce code for the r3900 */
 #define SUBTARGET_CC1_SPEC "\
 %{mhard-float:%e-mhard-float not supported} \
 %{msingle-float:%{msoft-float: \
-  %e-msingle-float and -msoft-float can not both be specified}}"
-
-/* Debugging */
-
-#define DWARF2_DEBUGGING_INFO
-#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
-
-/* For the 'preferred' cases ("gN" and "ggdbN") we need to tell the
-   gnu assembler not to generate debugging information.  */
-
-#define SUBTARGET_ASM_DEBUGGING_SPEC "\
-%{!mmips-as: \
-  %{g:-g0} %{g0:-g0} %{g1:-g0} %{g2:-g0} %{g3:-g0} \
-  %{ggdb:-g0} %{ggdb0:-g0} %{ggdb1:-g0} %{ggdb2:-g0} %{ggdb3:-g0} \
-  %{gdwarf-2*:-g0}} \
-%{gstabs:-g} %{gstabs0:-g0} %{gstabs1:-g1} %{gstabs2:-g2} %{gstabs3:-g3} \
-%{gstabs+:-g} %{gstabs+0:-g0} %{gstabs+1:-g1} %{gstabs+2:-g2} %{gstabs+3:-g3} \
-%{gcoff:-g} %{gcoff0:-g0} %{gcoff1:-g1} %{gcoff2:-g2} %{gcoff3:-g3}"
-
-/* eof */
+  %e-msingle-float and -msoft-float cannot both be specified}}"