RFR: 8354242: VectorAPI: combine vector not operation with compare [v8]

[erifan]

On Wed, 11 Jun 2025 07:43:55 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> `VectorOperators.XXX` is not compile time constants, we can't use `switch` here.
>
> Oh. Ok. Well at least add a `RuntimeException` to an `else` branch then, I would suggest :)

Make sense!

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PR Review Comment: https://git.openjdk.org/jdk/pull/24674#discussion_r2139610469