RFR: 8332587: RISC-V: secondary_super_cache does not scale well [v3]

[Gui Cao]

On Mon, 10 Jun 2024 18:32:05 GMT, Hamlin Li <mli at openjdk.org> wrote:

>> Gui Cao has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix Code format
>
> Thanks for updating!
> 
> With the fix, although it improves the perf for testNegative63/64, but seems it brings some regression for testNegative55-62, in this sense the fix should not be taken.
> I'll take another look, sorry for long waiting.

@Hamlin-Li @RealFYang @theRealAph : In the case of scalar register implementations, as discussed above, `Such huge numbers of secondary supers don't occur in real-world code.`, can we add scalar register implementations to this PR as well?

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PR Comment: https://git.openjdk.org/jdk/pull/19320#issuecomment-2179193084