--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/powerpcspe/darwin64.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,32 @@
+/* Target definitions for PowerPC running Darwin (Mac OS X).
+   Copyright (C) 2006-2017 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_DEFAULT
+#define TARGET_DEFAULT (MASK_POWERPC64 | MASK_64BIT \
+			| MASK_MULTIPLE | MASK_PPC_GFXOPT)
+
+#undef DARWIN_ARCH_SPEC
+#define DARWIN_ARCH_SPEC "%{m32:ppc;:ppc64}"
+
+#undef DARWIN_SUBARCH_SPEC
+#define DARWIN_SUBARCH_SPEC DARWIN_ARCH_SPEC
+
+#undef DARWIN_CRT2_SPEC
+#define DARWIN_CRT2_SPEC ""