RFR: 8307352: AARCH64: Improve itable_stub [v2]

[Boris Ulasevich]

On Wed, 19 Jul 2023 09:34:58 GMT, Evgeny Astigeevich <eastigeevich at openjdk.org> wrote:

>> Boris Ulasevich has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains one additional commit since the last revision:
>> 
>>   8307352: AARCH64: Improve itable_stub
>
> src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp line 1211:
> 
>> 1209:                                                   Register temp_itbl_klass,
>> 1210:                                                   Register scan_temp,
>> 1211:                                                   Register holder_offset,
> 
> `holder_klass_itoentry`?

In fact it holds an offset to a holder_class pointer in the itable, not the whole entry offset. Let us leave is as is.

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PR Review Comment: https://git.openjdk.org/jdk/pull/13792#discussion_r1285563080