[aarch64-port-dev ] RFR (trivial) : fix aarch64-8u type profile bug

[Yangfei (Felix)]

> -----Original Message-----
> From: Andrew Haley [mailto:aph at redhat.com]
> Sent: Wednesday, November 6, 2019 5:46 PM
> To: Yangfei (Felix) <felix.yang at huawei.com>;
> aarch64-port-dev at openjdk.java.net
> Subject: Re: [aarch64-port-dev ] RFR (trivial) : fix aarch64-8u type profile bug
> 
> On 9/24/19 9:22 AM, Yangfei (Felix) wrote:
> >>> This also reminds me of another two aarch64-specific profiling issues:
> >>> https://bugs.openjdk.java.net/browse/JDK-8188221
> >>> https://bugs.openjdk.java.net/browse/JDK-8189439
> >>>
> >>> I think they also should be incorporated in aarch64 8u.  What do you
> think?
> >> I've always been reluctant to backport performance-only patches to
> >> 8u, but I admit that version will be around for a long time, so OK.
> >>
> > Looks like the upstream patches can be simplified: 'mdp' is loaded by
> test_method_data_pointer which is called by profile_return_type &
> profile_parameters_type.
> 
> Sorry for not replying before now.
> 
> Maybe they can, but this is a backport.

Hi,

  OK.  I have sent a separate mail to fix this for jdk14: https://mail.openjdk.java.net/pipermail/hotspot-runtime-dev/2019-November/036877.html 
  Please review that one.  
  I want to fix this for jdk14 before I do the aarch64 8u backport.  

Thanks,
Felix