RFR: 8326139: C2 SuperWord: split packs (match use/def packs, implemented, mutual independence) [v2]

[Vladimir Kozlov]

On Tue, 27 Feb 2024 17:26:01 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> I finally got what this function for :^)  Looks reasonable.
>
> Let me know if you have a better idea to make it more clear then ;)

Adjust comment:  "Look for pattern ... which may lead to PopulateIndex vector node creation so we can skip it"

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PR Review Comment: https://git.openjdk.org/jdk/pull/17848#discussion_r1504843272