RFR 8191985: Tlab refills for ARM

[Robbin Ehn]

Hi JC,

We do not longer have the ability to build and test arm32. And none seem to be picking this port up.
Only eyeballing this to looks good!

/Robbin

On 2017-12-14 17:08, JC Beyler wrote:
> Hi all,
> 
> The TLAB and the inline contiguous allocations handling are different
> for each architecture. On certain architectures, TLAB is never
> actually never refilled (ref:
> https://bugs.openjdk.java.net/browse/JDK-8190862).
> 
> The idea behind the implementation for Arm is the same as for
> Sparc/X86/Aarch64 and is to do one thing:
>    - separate TLAB usage to contiguous allocations in eden space.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8191985
> WebRev: http://cr.openjdk.java.net/~rasbold/8191985/webrev.03/
> 
> Does anyone see any issues with this webrev? Could someone test/verify
> it please?
> 
> Thanks for your help,
> Jc
>