[foreign-memaccess+abi] RFR: 8275646: Implement optimized upcall stubs on AArch64 [v2]

[Jorn Vernee]

On Mon, 8 Nov 2021 09:10:13 GMT, Nick Gasson <ngasson at openjdk.org> wrote:

>> src/hotspot/cpu/aarch64/universalUpcallHandler_aarch64.cpp line 217:
>> 
>>> 215:   // skip receiver
>>> 216:   BasicType* in_sig_bt = out_sig_bt + 1;
>>> 217:   int total_in_args = total_out_args - 1;
>> 
>> This section could also be moved to shared code as well (I did that in the pending patch as well: https://github.com/openjdk/panama-foreign/pull/608/files#r741389756 but it would be fine to do it here instead of you want)
>
> I think I'll leave it as it is here to minimise changes - you'll need to rebase that patch anyway? I made the other two suggested clean-ups.

Sure, that's fine.

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PR: https://git.openjdk.java.net/panama-foreign/pull/610