[8u] Request for approval for 8170873 - PPC64: Poor StrictMath performance due to non-optimized compilation

[Gustavo Romero]

I'm sorry. I included hotspot-dev by mistake. Please ignore that mistake.

Regards,
Gustavo

On 07-12-2016 17:51, Gustavo Romero wrote:
> Hi,
> 
> Could you please approve the backport to jdk8u-dev of the following fix:
> 
> 8170153: PPC64/s390x/aarch64: Poor StrictMath performance due to non-optimized
> compilation
> 
> Bug       : https://bugs.openjdk.java.net/browse/JDK-8170153
> Webrev 1/2: http://cr.openjdk.java.net/~gromero/8170153/v2/
> Webreb 2/2: http://cr.openjdk.java.net/~gromero/8170153/v2/jdk/
> Review    : http://mail.openjdk.java.net/pipermail/hotspot-dev/2016-November/025348.html
> URL 1/2   : http://hg.openjdk.java.net/jdk9/dev/rev/3c7b02f5fa7c
> URL 2/2   : http://hg.openjdk.java.net/jdk9/dev/jdk/rev/b6bad6302dc8
> 
> The original change affects s390x and aarch64 as well but since both
> architectures  are not present on 8u I propose a new webrev which just excludes
> them turning it a ppc-only fix on 8u:
> 
> Webrev 1/2: http://cr.openjdk.java.net/~gromero/8170873/
> Webreb 2/2: http://cr.openjdk.java.net/~gromero/8170873/jdk/
> 
> I also need a sponsor for pushing that change if the approval is granted.
> 
> Thank you.
> 
> 
> Best regards,
> Gustavo
>