RFR: Implement better address lowering for AArch64

[Doug Simon]

> On 3 Apr 2017, at 15:03, Andrew Dinn <adinn at redhat.com> wrote:
> 
> Hi Doug,
> 
> Thanks for your feedback.
> 
> On 03/04/17 13:30, Doug Simon wrote:
>> Thanks for the PR. Obviously we're relying 100% of you/RedHat to test
>> these changes as we don't have any AArch64 hardware in our gates. We
>> will review the PR over the next few days.
> 
> Sure, no problem. I am assuming that Andrew Haley is going to be one of
> those who review these changes.
> 
>> Unfortunately, the Travis based gating we do for github PRs is
>> currently broken pending Travis updating the OpenJDK package to
>> 8u121[1]
> 
> I have no idea what (or who? :-) Travis is but I'll be happy to create a
> new PR rebased to a later master if that becomes necessary.

Look for "continuous-integration/travis-ci/pr — The Travis CI build failed" in th PR and follow the links to learn all about Travis. The configuration for our Travis testing is in the top level .travis.yml file.

-Doug