--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/nds32/nds32-pipelines-auxiliary.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,34 @@
+/* Auxiliary functions for pipeline descriptions pattern of Andes
+   NDS32 cpu for GNU compiler
+   Copyright (C) 2012-2017 Free Software Foundation, Inc.
+   Contributed by Andes Technology Corporation.
+
+   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/>.  */
+
+/* ------------------------------------------------------------------------ */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "backend.h"
+
+/* ------------------------------------------------------------------------ */
+
+/* This file is prepared for future implementation of precise
+   pipeline description for nds32 target.  */
+
+/* ------------------------------------------------------------------------ */