Fix PR 86979
Alexander Monakov
amonakov@ispras.ru
Fri Mar 15 11:38:00 GMT 2019
On Fri, 15 Mar 2019, Jakub Jelinek wrote:
> On Fri, Mar 15, 2019 at 01:25:57PM +0300, Andrey Belevantsev wrote:
> > As explained in the PR trail, we incorrectly update the availability sets
> > in the rare case of several successors and one of them having another
> > fence. Fixed as follows. Ok for trunk?
> >
> > Best,
> > Andrey
> >
> > 2019-03-15 Andrey Belevantsev <abel@ispras.ru>
> >
> > PR middle-end/89676
> > * sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
> > successor,
> > use NULL as its av set.
>
> Just formatting nits, will defer actual review to some scheduler maintainer.
I can do this, it falls under sel-sched maintenance and Andrey showed to me
in person the algorithmic corner-case here, so: OK for trunk with formatting
fixed.
Thanks!
Alexander
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