RFR: 8345485: C2 MergeLoads: merge adjacent array/native memory loads into larger load [v4]

[Emanuel Peter]

On Thu, 22 May 2025 06:51:02 GMT, Kuai Wei <kwei at openjdk.org> wrote:

>>> @eme64 Can we complete the integration in JDK25 before June 5th?
>> 
>> I've been waiting on a ping from @kuaiwei , since there were still new changes added last week, and I don't know if there are more coming. I'm a little slow with reviewing, as I also have a lot of other work to do and PRs to review. Feel free to find other reviewers to help speed up the process ;)
>> 
>> Being so close to RDP1 (June 5th) usually makes us a little hesitant to integrate larger features where there is often a bug tail. I would feel better if we could integrate it in early JDK26, and then we have more time to fix the follow-up bugs during JDK26 development.
>
> @eme64 @wenshao I have a little change to this PR. I will send it soon. Thanks for your patience.

@kuaiwei I'm not in a rush with this one. I'd rather we have a good design and be reasonably sure that it is correct, rather than rush it now and having to do extra cycles fixing things later ;)

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PR Comment: https://git.openjdk.org/jdk/pull/24023#issuecomment-2900141305