[thirdparty/gcc.git] / libgomp / config / gcn / oacc-target.c

/* Oversized reductions lock variable
   Copyright (C) 2017-2024 Free Software Foundation, Inc.
   Contributed by Mentor Graphics.

   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/>.  */

/* We use a global lock variable for reductions on objects larger than
   64 bits.  Until and unless proven that lock contention for
   different reductions is a problem, a single lock will suffice.  */

unsigned volatile __reduction_lock = 0;
Commit	Line	Data
fa499995	1	/* Oversized reductions lock variable
a945c346	2	Copyright (C) 2017-2024 Free Software Foundation, Inc.
fa499995 AS	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;