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

[Emanuel Peter]

On Wed, 15 Oct 2025 12:11:39 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> 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.

They tell me it is fine, and we are already doing similar things here:
`test/hotspot/gtest/jfr/test_networkUtilization.cpp`

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PR Review Comment: https://git.openjdk.org/jdk/pull/27618#discussion_r2432383176