RFR: 8265129: Add intrinsic support for JVM.getClassId [v3]

[Jie Fu]

On Sat, 1 May 2021 09:45:11 GMT, Denghui Dong <ddong at openjdk.org> wrote:

>> Denghui Dong has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   use new_pointer_register
>
> @egahlin Hi, could you help review this patch?

Hi @D-D-H ,

Does it make sense to intrinsify it in C1?
IMO, C1 is not easy to get it handled correctly.

How about just intrinsifying it in C2?
Maybe it will help the review process.

Thanks.
Best regards,
Jie

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PR: https://git.openjdk.java.net/jdk/pull/3470