RFR: 8349361: C2: RShiftL should support all applicable transformations that RShiftI does [v12]

[Christian Hagedorn]

On Thu, 13 Mar 2025 16:41:23 GMT, Roland Westrelin <roland at openjdk.org> wrote:

> If I file a follow up bug, writing a test case for it is going to be very hard

Yes, it will be. There is currently no way to really verify that reliably without the additional verification. I think it's okay to wait for JDK-8347273. Maybe you can add a note there or file a separate issue to keep track of the missing bits detected in this investigation..

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PR Review Comment: https://git.openjdk.org/jdk/pull/23438#discussion_r1995038216