RFR (XS): -ShenandoahSATBBarrier disables matrix updates

Roman Kennke rkennke at redhat.com
Mon Mar 20 15:50:19 UTC 2017

Am 20.03.2017 um 16:40 schrieb Aleksey Shipilev:
> Hi,
> While studying the generated code, I realized that -ShenandoahSATBBuffer
> disables matrix updates too. Oops. This does not affect our performance runs
> just yet, because we enable SATB barriers before enabling matrix barriers. We
> should fix this oddity nevertheless:
>  http://cr.openjdk.java.net/~shade/shenandoah/satb-barriers-disable-2/webrev.01/
> Testing: hotspot_gc_shenandoah, eyeballing assembly
> Thanks,
> -Aleksey

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