RFR: 8373998: RISC-V: simple optimization of ConvHF2F

[Hamlin Li]

On Fri, 19 Dec 2025 00:50:10 GMT, Fei Yang <fyang at openjdk.org> wrote:

>> Hi,
>> Can you help to review this patch?
>> 
>> ConvHF2F could be optimized by following patch.
>> As riscv does not have the restriction to use `iRegINoSp` in src register, it can use iRegIorL2I instead.
>> Check other usages of src register in riscv.ad file.
>> 
>> @RealFYang Thanks!
>> 
>> Thanks!
>
> Thanks. My local hs:tier1 - hs:tier2 test with `Zfh` is good using fastdebug build.

Thank you for testing and review @RealFYang @DingliZhang !

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PR Comment: https://git.openjdk.org/jdk/pull/28896#issuecomment-3674244316