--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/i386/darwin64.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,35 @@
+/* Target definitions for x86_64 running Darwin.
+   Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+   Contributed by Apple Computer 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 TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (x86_64 Darwin)");
+
+#undef  DARWIN_ARCH_SPEC
+#define DARWIN_ARCH_SPEC "%{m32:i386;:x86_64}"
+
+#undef  DARWIN_SUBARCH_SPEC
+#define DARWIN_SUBARCH_SPEC DARWIN_ARCH_SPEC
+
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS                                   \
+  DARWIN_EXTRA_SPECS                                            \
+  { "darwin_arch", DARWIN_ARCH_SPEC },                          \
+  { "darwin_crt2", "" },                                        \
+  { "darwin_subarch", DARWIN_SUBARCH_SPEC },