RFR: 8345287: C2: live in computation is broken

[Roland Westrelin]

On Mon, 2 Dec 2024 12:40:49 GMT, Roberto Castañeda Lozano <rcastanedalo at openjdk.org> wrote:

> OK, thanks. I will start by running some benchmarks on x64 with and without this fix. Will report results in a couple of days.

Sounds good. Thanks. If there happen to be a regression, I think it would make more sense to fix the code (with this patch) and disable `OptoRegScheduling` (until someone figures out what's going on) than keep code that doesn't make any sense.

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PR Comment: https://git.openjdk.org/jdk/pull/22473#issuecomment-2511633892