RFR: 8329083: RISC-V: Update profiles supported on riscv

[Hamlin Li]

On Thu, 4 Apr 2024 08:10:53 GMT, Fei Yang <fyang at openjdk.org> wrote:

>> Hi,
>> Can you help to review this patch to update vm flags related to riscv profile?
>> Thanks
>> 
>> Currently there are vm options like -XX:+UseRVA20U64 and -XX:+UseRVA22U64 on riscv to indicate the supported riscv extension via profiles.
>> These profiles should be updated to reflect the full supported extensions and new profile like UseRVA23U64 should be added too.
>
> src/hotspot/cpu/riscv/globals_riscv.hpp line 104:
> 
>> 102:   product(bool, UseRVC, false, "Use RVC instructions")                           \
>> 103:   product(bool, UseRVA22U64, false, EXPERIMENTAL, "Use RVA22U64 profile")        \
>> 104:   product(bool, UseRVA23U64, false, EXPERIMENTAL, "Use RVA23U64 profile")        \
> 
> Can we group the three RV profile-related options together?

Sure, will do

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PR Review Comment: https://git.openjdk.org/jdk/pull/18599#discussion_r1551279424