--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libgomp/teams.c	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,74 @@
+/* Copyright (C) 2018-2020 Free Software Foundation, Inc.
+   Contributed by Jakub Jelinek <jakub@redhat.com>.
+
+   This file is part of the GNU Offloading and Multi Processing 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 host TEAMS construct.  */
+
+#include "libgomp.h"
+#include <limits.h>
+
+static unsigned gomp_num_teams = 1, gomp_team_num = 0;
+
+void
+GOMP_teams_reg (void (*fn) (void *), void *data, unsigned int num_teams,
+		unsigned int thread_limit, unsigned int flags)
+{
+  (void) flags;
+  (void) num_teams;
+  unsigned old_thread_limit_var = 0;
+  if (thread_limit)
+    {
+      struct gomp_task_icv *icv = gomp_icv (true);
+      old_thread_limit_var = icv->thread_limit_var;
+      icv->thread_limit_var
+	= thread_limit > INT_MAX ? UINT_MAX : thread_limit;
+    }
+  if (num_teams == 0)
+    num_teams = 3;
+  gomp_num_teams = num_teams;
+  for (gomp_team_num = 0; gomp_team_num < num_teams; gomp_team_num++)
+    fn (data);
+  gomp_num_teams = 1;
+  gomp_team_num = 0;
+  if (thread_limit)
+    {
+      struct gomp_task_icv *icv = gomp_icv (true);
+      icv->thread_limit_var = old_thread_limit_var;
+    }
+}
+
+int
+omp_get_num_teams (void)
+{
+  return gomp_num_teams;
+}
+
+int
+omp_get_team_num (void)
+{
+  return gomp_team_num;
+}
+
+ialias (omp_get_num_teams)
+ialias (omp_get_team_num)