RFR: 8365205: C2: Optimize popcount value computation using knownbits [v3]

[Jatin Bhateja]

On Thu, 18 Sep 2025 12:55:16 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Hi @TobiHartmann , @SirYwell , @eme64 , can you kindly verify the changes in the latest patch?
>
> @jatin-bhateja I'm going to be out of the office for about 3 weeks, so feel free to ask others for reviews!

Hi @eme64 , @chhagedorn , @SirYwell , let me know if its good to land now.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/27075#issuecomment-3311136518