RFR: 8253795: Implementation of JEP 391: macOS/AArch64 Port [v29]

[Anton Kozlov]

On Tue, 23 Mar 2021 16:33:50 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> Marked as reviewed by luhenry (Author).
>
>> > > > [ Back-porting this patch to JDK 11] depends on the will of openjdk11 maintainers to accept this (and few other, like jep-388, as we depend on it) contribution.
>> > > 
>> > > 
>> > > To the extent that 11u has fixed policies :) we definitely have a policy of accepting patches to keep 11u working on current hardware. So yes.
>> > 
>> > 
>> > @lewurm That sounds like a green flag for you and jep-388 (with its R18_RESERVED functionality) ;)
>> 
>> Thanks, @theRealAph, and @VladimirKempik . We are on it!
> 
> It's going to be tricky to do in a really clean way, given some of the weirdnesses of the ABI. However, I think there's probably a need for it

The JEP was targeted to JDK17. So I propose to integrate this. 

Thank you all for the reviews, suggestions, discussions, and support!

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PR: https://git.openjdk.java.net/jdk/pull/2200