RFR: 8367341: C2: apply KnownBits and unsigned bounds to And / Or operations [v2]

[Emanuel Peter]

On Wed, 15 Oct 2025 12:10:12 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> I can't think of a better way, we have `HashTable` but it is terrible since the table size is fixed.
>
> Not sure. I'll ask some folks who might know / have an anser / opinion ;)

It surely would be very easy, and not affect the product. But let's see what they say.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27618#discussion_r2432323133