1 /* Oversized reductions lock variable 2 Copyright (C) 2017-2020 Free Software Foundation, Inc. 3 Contributed by Mentor Graphics. 4 5 This file is part of the GNU Offloading and Multi Processing Library 6 (libgomp). 7 8 Libgomp is free software; you can redistribute it and/or modify it 9 under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3, or (at your option) 11 any later version. 12 13 Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 15 FOR A PARTICULAR PURPOSE. See the GNU General Public License for 16 more details. 17 18 Under Section 7 of GPL version 3, you are granted additional 19 permissions described in the GCC Runtime Library Exception, version 20 3.1, as published by the Free Software Foundation. 21 22 You should have received a copy of the GNU General Public License and 23 a copy of the GCC Runtime Library Exception along with this program; 24 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 25 <http://www.gnu.org/licenses/>. */ 26 27 /* We use a global lock variable for reductions on objects larger than 28 64 bits. Until and unless proven that lock contention for 29 different reductions is a problem, a single lock will suffice. */ 30 31 unsigned volatile __reduction_lock = 0; 32