PING^2 [8u] Request for enhancement backport approval for 8154156: PPC64: improve array copy stubs by using vector instructions

Andrew Hughes gnu.andrew at
Fri Jan 18 03:33:04 UTC 2019

On Wed, 16 Jan 2019 at 21:36, Gustavo Romero <gromero at> wrote:
> Hello community,
> Could somebody kindly point me out to what is missing (if anything) in
> order to proceed with the approval for this backport?
> This change is the first of a series of PPC64 backports planned to jdk8u,
> like AES BE, SHA2, and latest CRC32 enhancements, so it's blocking
> important PPC64 backports.
> As Ogata pointed out, it's already reviewed by Martin from SAP on the
> hotspot-compiler-dev ML:
> I understand the review from Martin is sufficient for this approval, which
> is hotspot/PPC64-only.
> Thank you.
> Best regards,
> Gustavo
> On 01/15/2019 07:14 AM, Kazunori Ogata wrote:
> > Hi,
> >
> > Ping.  Can anyone approve an enhancement backport request for 8154156:
> > PPC64: improve array copy stubs by using vector instructions?
> >
> > Regards,
> > Ogata
> >

I have no objection to approving this when it reaches that stage, but it does
need an appropriate review first, and, like Andrew Haley, I don't feel
this is within
my competency to review.

There is a list of jdk8u reviewers here:

If there is someone with the expertise to review PPC patches, but they are not
on this reviewers list, we could nominate them to that role, as we did recently
with Andrew Haley.

Andrew :)

Senior Free Java Software Engineer
Red Hat, Inc. (

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