RFR: 8370454: C2 SuperWord: unsigned comparison information is lost for VectorMaskCmp [v2]

[Hamlin Li]

On Thu, 23 Oct 2025 05:39:10 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

> @Hamlin-Li That looks like a great improvement :)

Thank you for having a look! :)
 
> All I am missing are some test cases. And if possible: IR rules 😉

Yes, I also added some tests and IR rules of course. :)

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PR Comment: https://git.openjdk.org/jdk/pull/27942#issuecomment-3436161113