RFR: 8278784: C2: Refactor PhaseIdealLoop::remix_address_expressions() so it operates on longs [v4]

[Tobias Hartmann]

On Thu, 20 Jan 2022 16:27:32 GMT, Roland Westrelin <roland at openjdk.org> wrote:

>> The logic in PhaseIdealLoop::remix_address_expressions() that's
>> specific to int nodes apply equally to long nodes. This change
>> refactors that code so it applies to both integer types. This improves
>> performance on some of panama's micro-benchmarks.
>
> Roland Westrelin has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review

That looks good to me, thanks for fixing!

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Marked as reviewed by thartmann (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/6892