RFR: 8325541: C2 SuperWord: refactor filter / split [v2]

[Emanuel Peter]

On Fri, 9 Feb 2024 15:05:51 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> Emanuel Peter has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   small bugfix
>
> Neat refactoring and nice usage of lambdas! I have some comments.

@chhagedorn thanks for reviewing!
I addressed some of your suggestions. But many things I would like to leave to future RFEs.

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PR Comment: https://git.openjdk.org/jdk/pull/17785#issuecomment-1936154356