RFR: JDK-8214527 AArch64: ZGC for Aarch64

[Stuart Monteith]

Nils' patch for "ZGC Late Barrier Insertion" has been merged
(http://hg.openjdk.java.net/jdk/jdk/rev/ed12027517c0). I'm now running
a fresh jtreg test against it with my updated patch here:

     http://cr.openjdk.java.net/~smonteith/8214527/webrev.4/

The difference from before are some additions to z_aarch64.ad in order
to implement the new nodes required by Nils' patch. Running against
specjbb2015 and Lucene don't throw up any errors.

BR,
   Stuart

On Fri, 31 May 2019 at 10:02, Andrew Haley <aph at redhat.com> wrote:
>
> On 5/30/19 6:05 PM, Stuart Monteith wrote:
> > I'd like to have this merged (once everyone is happy) after Nils'
> > patch has been merged, the thread is here:
> >     https://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2019-May/033893.html
> > The bug: https://bugs.openjdk.java.net/browse/JDK-8224675
> >
> > This necessitates some changes to the AArch64 code - I intend on
> > wrapping the changes necessary for JDK-8224675 into the patch I've
> > asked for reviews here, otherwise my patch will break the build.
>
> I've not been following all of this. When you have something final,
> let me know.
>
> --
> Andrew Haley
> Java Platform Lead Engineer
> Red Hat UK Ltd. <https://www.redhat.com>
> https://keybase.io/andrewhaley
> EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671