RFR: 8325467: Support methods with many arguments in C2 [v11]

[Roberto Castañeda Lozano]

On Mon, 7 Apr 2025 11:39:36 GMT, Daniel Lundén <dlunden at openjdk.org> wrote:

>> Thanks, I made a note to run some benchmarks for this and gather statistics. It is critical that we run case 1 first (results in a significant performance gain), but perhaps we can gain a little by ordering the rare cases as well.
>
> I ran Dacapo and only ever triggered case 1 (never the rare cases). As we discussed offline, you likely triggered the other cases when artificially reducing the static register mask size to stress the changeset? I don't think the ordering of the rare cases matter much in practice.

Fair enough, thanks for double-checking!

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PR Review Comment: https://git.openjdk.org/jdk/pull/20404#discussion_r2031100132