[8u] Request for enhancement backport approval for 8170328: PPC64: Use andis instead of lis/and

Rob McKenna rob.mckenna at oracle.com
Tue Oct 3 13:16:43 UTC 2017


This request has been approved.

    -Rob

On 02/10/17 14:24, Gustavo Romero wrote:
> Hi,
> 
> Could the following enhancement backport be approved, please?
> 
> Bug		: https://bugs.openjdk.java.net/browse/JDK-8170328
> Review		: http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2016-November/024997.html
> Changeset	: http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/3866c59ee901
> 
> Some Neo4j workloads (like LDBC benchmark) can get a benefit from that change.
> This is a significant ppc64-only performance improvement which improves JITed
> code and it applies cleanly. It's low risk and does not affect any of the Oracle
> platforms in any way. The proposed integration date is as soon as granted since
> there is no remaining work to be done.
> 
> Thank you.
> 
> 
> Best regards,
> Gustavo
> 


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