http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57813
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Daniel Oertwig from comment #5)
> (In reply to Andrew Pinski from comment #3)
> > taskInfo.ready[priority]->wakeTime = Task_enforceTimeslice(priority);
> >
> > This is the same as:
> > (*taskInfo.ready[priority]).wakeTime = Task_enforceTimeslice(priority);
> >
> > Which means either the compiler can read the value of
> > taskInfo.ready[priority] before or after the function call to
> > Task_enforceTimeslice because there is no sequence point between them.
>
> Shouldn't the compiler recognize that enforceTimeslice is altering the
> global variable?
No because without sequence point the left hand side or right hand side can be
done first.
