RFR: 8334431: C2 SuperWord: fix performance regression due to store-to-load-forwarding failures [v2]

[Emanuel Peter]

On Tue, 19 Nov 2024 15:38:22 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> Yes, exactly. In general the CPU can be smarter, but we assume only exact matches are successes - all others failure if they overlap in any way.
>
> Got it, thanks for the explanation!

I added some more examples.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21521#discussion_r1848628162