RFR: 8334474: RISC-V: verify perf of ExpandBits/CompressBits (rvv) [v2]

[Hamlin Li]

On Tue, 19 Nov 2024 15:02:43 GMT, Ludovic Henry <luhenry at openjdk.org> wrote:

> Instead of removing, can we put it behind a flag that disabled by default? We clearly don't want to keep something that's slower for the current generation of hardware but we could expect that the next generation of hardware to go faster.

Not quite sure, as the test result shows it's too slow, and we need to introduce another vm option.
How's your opinion? @RealFYang

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PR Comment: https://git.openjdk.org/jdk/pull/22102#issuecomment-2486115268