GCN mkoffload

2019-11-13  Andrew Stubbs  <ams@codesourcery.com>
	    Kwok Cheung Yeung  <kcy@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>

	gcc/
	* config/gcn/mkoffload.c: New file.
	* config/gcn/offload.h: New file.

From-SVN: r278133

gcc/config/gcn/offload.h

+/* Support for AMD GCN offloading.
+
+   Copyright (C) 2014-2019 Free Software Foundation, 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.
+
+   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/>.  */
+
+#ifndef GCC_GCN_OFFLOAD_H
+#define GCC_GCN_OFFLOAD_H
+
+/* Support for OpenACC acc_on_device.  */
+
+#include "gomp-constants.h"
+
+#define ACCEL_COMPILER_acc_device GOMP_DEVICE_GCN
+
+#endif