http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51376



--- Comment #4 from Alan Modra <amodra at gcc dot gnu.org> 2013-01-22 11:41:56 
UTC ---

Author: amodra

Date: Tue Jan 22 11:41:53 2013

New Revision: 195370



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195370

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:

    trunk/libgomp/ChangeLog

    trunk/libgomp/task.c

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