RFR(S): 8191770: [ppc64] Fix CDS: don't rewrite invokefinal if DumpSharedSpaces

[Jiangli Zhou]

Hi Volker,

This looks good.

Thanks,
Jiangli

> On Nov 27, 2017, at 7:55 AM, Volker Simonis <volker.simonis at gmail.com> wrote:
> 
> Hi,
> 
> can I please have a review for the following small, ppc64-only change
> which fixes CDS on Power:
> 
> http://cr.openjdk.java.net/~simonis/webrevs/2017/8191770/
> https://bugs.openjdk.java.net/browse/JDK-8191770
> 
> Don't rewrite invokefinal into fast_invokevfinal if running with
> DumpSharedSpaces or UseSharedSpaces.
> 
> The Template-Interpreter of the ppc-Port was initially derived from
> the SPARC version which didn't had full CDS support at that time,
> that's why the guard against DumpSharedSpaces was missing at the place
> where invokefinal is rewritten.
> 
> With this change, all the CDS and upcoming AppCDS jtreg pass on
> Linux/ppc64, Linux/ppc64le and AIX.
> 
> Thank you and best regards,
> Volker