Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 53 insertions, 0 deletions

diff --git a/gcc-4.9/libgomp/barrier.c b/gcc-4.9/libgomp/barrier.c
new file mode 100644
index 0000000..e4864f3
--- /dev/null
+++ b/gcc-4.9/libgomp/barrier.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 2005-2014 Free Software Foundation, Inc.
+   Contributed by Richard Henderson <rth@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 BARRIER construct.  */
+
+#include "libgomp.h"
+
+
+void
+GOMP_barrier (void)
+{
+  struct gomp_thread *thr = gomp_thread ();
+  struct gomp_team *team = thr->ts.team;
+
+  /* It is legal to have orphaned barriers.  */
+  if (team == NULL)
+    return;
+
+  gomp_team_barrier_wait (&team->barrier);
+}
+
+bool
+GOMP_barrier_cancel (void)
+{
+  struct gomp_thread *thr = gomp_thread ();
+  struct gomp_team *team = thr->ts.team;
+
+  /* The compiler transforms to barrier_cancel when it sees that the
+     barrier is within a construct that can cancel.  Thus we should
+     never have an orphaned cancellable barrier.  */
+  return gomp_team_barrier_wait_cancel (&team->barrier);
+}