[aarch64-port-dev ] barrier use in JDK11

[Andrew Haley]

On 06/14/2018 06:59 PM, Dave Nuechterlein wrote:
> I suspect the issue is that there are no customizations for xgene3/emag1 in cpu/aarch64/vm_version_aarch64.cpp.

It certainly could be that.

> Are there any guidelines or best practices on how to do an initial vm_version variant?  What test should I run before submitting a patch, etc.

As long as your processor supports proper lrar/stlr you're good.
Test it with jcstress.  Make sure that UseBarriersForVolatile is
off.

-- 
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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