[8u-dev] RFR for non-clean backport of 8154156: PPC64: improve array copy stubs by using vector instructions

Kazunori Ogata OGATAK at jp.ibm.com
Thu Apr 25 04:00:56 UTC 2019


Thank you, Gustavo.

Regards,
Ogata

"Gustavo Romero" <gromero at linux.vnet.ibm.com> wrote on 2019/04/25 
01:13:47:

> From: "Gustavo Romero" <gromero at linux.vnet.ibm.com>
> To: Kazunori Ogata/Japan/IBM at IBMJP
> Cc: "Andrew Hughes" <gnu.andrew at redhat.com>, jdk8u-dev at openjdk.java.net, 

> "Doerr, Martin" <martin.doerr at sap.com>
> Date: 2019/04/25 01:13
> Subject: Re: [8u-dev] RFR for non-clean backport of 8154156: PPC64: 
> improve array copy stubs by using vector instructions
> 
> Hi,
> 
> Pushed to jdk/jdk8u-dev:
> http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/6eedcffa129d
> 
> Thanks,
> Gustavo
> 
> On 04/23/2019 01:17 AM, Kazunori Ogata wrote:
> > Hi Gustavo,
> > 
> > Thank you for reviewing and pointing the issue.  I wasn't aware that 
it
> > can cause build error.  I'll be cautious.
> > 
> > Also thank you to sponsor this backport.
> > 
> > 
> > Regards,
> > Ogata
> > 
> > "Gustavo Romero" <gromero at linux.vnet.ibm.com> wrote on 2019/04/22
> > 23:02:18:
> > 
> >> From: "Gustavo Romero" <gromero at linux.vnet.ibm.com>
> >> To: Kazunori Ogata/Japan/IBM at IBMJP, jdk8u-dev at openjdk.java.net
> >> Cc: "Doerr, Martin" <martin.doerr at sap.com>, "Andrew Hughes"
> > <gnu.andrew at redhat.com>
> >> Date: 2019/04/22 23:02
> >> Subject: Re: [8u-dev] RFR for non-clean backport of 8154156: PPC64:
> >> improve array copy stubs by using vector instructions
> >>
> >> Hi Ogata,
> >>
> >> On 03/28/2019 09:55 AM, Kazunori Ogata wrote:
> >>> May I get review for non-clean backport of 8154156: PPC64: improve
> > array
> >>> copy stubs by using vector instructions?
> >>>
> >> <snip>
> >>>
> >>> Original patch: http://hg.openjdk.java.net/jdk/jdk/rev/c9d756fa846e
> >>> Weberv:
> > http://cr.openjdk.java.net/~horii/jdk8u_aes_be/8154156/webrev.02/
> >>
> >> Change looks good.
> >>
> >> Only a nit: it's missing a small change from Volker to cast a pointor 
to
> > in:
> >>
> >> user:        simonis
> >> date:        Mon May 04 18:41:53 2015 +0200
> >> summary:     8079280: Fix format warning/error in vm_version_ppc.cpp
> >>
> >> diff -r 3d55863a66ba -r 751a7698b62e
> > hotspot/src/cpu/ppc/vm/vm_version_ppc.cpp
> >> --- a/hotspot/src/cpu/ppc/vm/vm_version_ppc.cpp Sat May 02 00:16:29 
2015
> > -0700
> >> +++ b/hotspot/src/cpu/ppc/vm/vm_version_ppc.cpp Mon May 04 18:41:53 
2015
> > +0200
> >> @@ -629,7 +629,7 @@
> >>      // Print the detection code.
> >>      if (PrintAssembly) {
> >>        ttyLocker ttyl;
> >> -    tty->print_cr("Decoding dscr configuration stub at " 
INTPTR_FORMAT
> > "
> >> before execution:", code);
> >> +    tty->print_cr("Decoding dscr configuration stub at " 
INTPTR_FORMAT
> > "
> >> before execution:", p2i(code));
> >>        Disassembler::decode((u_char*)code, (u_char*)code_end, tty);
> >>      }
> >>
> >> Without that change it will fail to compile on some distros, like
> > Ubuntu.
> >>
> >> I don't need a new webrev tho. I'll fix it before pushing.
> >>
> >> So, hearing no objections I'll push it tomorrow to
> > jdk8u/jdk8u-dev/hotspot.
> >>
> >> Thanks for downporting it.
> >>
> >> @Martin, thanks a lot for reviewing it.
> >>
> >> Best regards,
> >> Gustavo
> > 
> > 




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