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r195756 - in /branches/gcc-4_7-branch/libgomp: ...


Author: amodra
Date: Tue Feb  5 13:40:25 2013
New Revision: 195756

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195756
Log:
	PR libgomp/51376
	PR libgomp/56073
	* task.c (GOMP_task): Revert 2011-12-09 change.
	(GOMP_taskwait): Likewise.  Instead use atomic load with acquire
	barrier to read task->children..
	(gomp_barrier_handle_tasks): ..and matching atomic store with
	release barrier here when setting parent->children to NULL.


Modified:
    branches/gcc-4_7-branch/libgomp/ChangeLog
    branches/gcc-4_7-branch/libgomp/task.c


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