RFR: 8361836: RISC-V: Relax min vector length to 32-bit for short vectors [v3]

[Dingli Zhang]

On Tue, 15 Jul 2025 07:21:44 GMT, Fei Yang <fyang at openjdk.org> wrote:

>> Dingli Zhang has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Use switch-case in min_vector_size
>
> src/hotspot/cpu/riscv/riscv.ad line 1999:
> 
>> 1997:       break;
>> 1998:     case T_SHORT:
>> 1999:       // To support vector type conversions between short and wider types.
> 
> The code comment doesn't seem to reflect the purpose of this change. Can you improve it adding more details?

Of course. Done.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26239#discussion_r2209048762