RFR JDK-8194084: Obsolete FastTLABRefill and remove the related code

[JC Beyler]

Done here and a new JIRA item for it:
http://cr.openjdk.java.net/~jcbeyler/8198439/webrev.00/

I put Andrew and Stuart as reviewers, let me know if anything else is
needed.

Thanks,
Jc

On Tue, Feb 20, 2018 at 9:13 AM, Aleksey Shipilev <shade at redhat.com> wrote:

> On 02/20/2018 06:10 PM, JC Beyler wrote:
> > Apart from better code for x86 as well, no not really. Any other
> opinions?
> > Slightly optimize that piece of code or leave as is?
>
> Leave x86 code alone for now. We need to fix AArch64 bug first, not
> introduce another x86 bug.
>
> -Aleksey
>
>