RFR: JDK-8222926: Unify cpu related part of shenandoahBarrierSetC1 and fix build when compiler1 is disabled

[Ao Qi]

On Wed, May 8, 2019 at 10:10 PM Roman Kennke <rkennke at redhat.com> wrote:
>
> >> I changed the synopsis for the bug to: "Shenandoah build fails with --with-jvm-features=-compiler1"
> >> -- please change it for the changeset you are pushing.
> >
> > Updated: http://cr.openjdk.java.net/~aoqi/8222926/webrev.05/
>
> This looks good. Thanks!

Thanks, Roman. I updated a new version. Do you agree with Aleksey and
are you ok with the new version?

Ao Qi

> Roman