Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 96 insertions, 0 deletions

diff --git a/gcc-4.9/libgomp/target.c b/gcc-4.9/libgomp/target.c
new file mode 100644
index 000000000..46acc588d
--- /dev/null
+++ b/gcc-4.9/libgomp/target.c
@@ -0,0 +1,96 @@
+/* Copyright (C) 2013-2014 Free Software Foundation, Inc.
+   Contributed by Jakub Jelinek <jakub@redhat.com>.
+
+   This file is part of the GNU OpenMP Library (libgomp).
+
+   Libgomp 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.
+
+   Libgomp 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/>.  */
+
+/* This file handles the maintainence of threads in response to team
+   creation and termination.  */
+
+#include "libgomp.h"
+#include <limits.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+attribute_hidden int
+gomp_get_num_devices (void)
+{
+  return 0;
+}
+
+/* Called when encountering a target directive.  If DEVICE
+   is -1, it means use device-var ICV.  If it is -2 (or any other value
+   larger than last available hw device, use host fallback.
+   FN is address of host code, OPENMP_TARGET contains value of the
+   __OPENMP_TARGET__ symbol in the shared library or binary that invokes
+   GOMP_target.  HOSTADDRS, SIZES and KINDS are arrays
+   with MAPNUM entries, with addresses of the host objects,
+   sizes of the host objects (resp. for pointer kind pointer bias
+   and assumed sizeof (void *) size) and kinds.  */
+
+void
+GOMP_target (int device, void (*fn) (void *), const void *openmp_target,
+	     size_t mapnum, void **hostaddrs, size_t *sizes,
+	     unsigned char *kinds)
+{
+  /* Host fallback.  */
+  struct gomp_thread old_thr, *thr = gomp_thread ();
+  old_thr = *thr;
+  memset (thr, '\0', sizeof (*thr));
+  if (gomp_places_list)
+    {
+      thr->place = old_thr.place;
+      thr->ts.place_partition_len = gomp_places_list_len;
+    }
+  fn (hostaddrs);
+  gomp_free_thread (thr);
+  *thr = old_thr;
+}
+
+void
+GOMP_target_data (int device, const void *openmp_target, size_t mapnum,
+		  void **hostaddrs, size_t *sizes, unsigned char *kinds)
+{
+}
+
+void
+GOMP_target_end_data (void)
+{
+}
+
+void
+GOMP_target_update (int device, const void *openmp_target, size_t mapnum,
+		    void **hostaddrs, size_t *sizes, unsigned char *kinds)
+{
+}
+
+void
+GOMP_teams (unsigned int num_teams, unsigned int thread_limit)
+{
+  if (thread_limit)
+    {
+      struct gomp_task_icv *icv = gomp_icv (true);
+      icv->thread_limit_var
+	= thread_limit > INT_MAX ? UINT_MAX : thread_limit;
+    }
+  (void) num_teams;
+}