RFR(L): AARCH64 support for lworld v.06

[Dmitry Samersoff]

Roland,

Thank you!

I pushed the changes.

-Dmitry

On 06.09.2019 16:01, Roland Westrelin wrote:
> 
>> Please review v.06 of adding AArch64 support to lworld branch
> 
> I went over it quickly so this is not a real review. I see no reason not
> to push it given it's aarch64 only. Thanks for working on aarch64
> support.
> 
> Roland.
>