[aarch64-port-dev ] RFR (11u): 8224187: Refactor arraycopy_prologue to allow ZGC read barriers on arraycopy

[Stuart Monteith]

 I'm not a reviewer, however it looks good to me.

Stuart

On Fri, 17 Jan 2020 at 15:09, Roman Kennke <rkennke at redhat.com> wrote:
>
> I'd like to backport the following aarch64-specific change to 11u:
>
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8224187
>
> I need it for recent changes to Shenandoah GC's arraycopy
> implementation, namely:
>
> https://bugs.openjdk.java.net/browse/JDK-8231086
>
> The patch only differs from the original patch in that it omits the
> Shenandoah parts, which are not in 11u, yet. Other than those, it
> applies cleanly.
>
> Webrev:
> http://cr.openjdk.java.net/~rkennke/JDK-8224187/webrev.00/
>
> Testing: tier1 and tier2 tests, hotspot_gc_shenandoah tests in private
> repo that combines this change with the corresponding Shenandoah changes.
>
> Can I please get a review?
>
> Thanks,
> Roman
>