RFR: 8345287: C2: live in computation is broken

[Roland Westrelin]

On Thu, 5 Dec 2024 07:39:26 GMT, Roberto Castañeda Lozano <rcastanedalo at openjdk.org> wrote:

> Benchmarking is done now, the results of applying this changeset are as follows:
> 
>     * neutral for DaCapo (bach and chopin)
> 
>     * slight overall regression for Renaissance
> 
>     * one slight improvement (crypto.signverify, around +1%) and one noticeably regression (scimark.monte_carlo, around -5%) for SPECjvm2008 on a Coffee Lake-B processor (3.0 GHz Intel Core i5-8500B).

Thanks for running benchmarks!

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PR Comment: https://git.openjdk.org/jdk/pull/22473#issuecomment-2519536370