[Bug target/115763] RISC-V: Use wrong SEW for vfmv.v.f when -march only has zvfhmin

[sh.chiang04 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115763

--- Comment #7 from Monk Chiang <sh.chiang04 at gmail dot com> ---
(In reply to Li Pan from comment #6)
> Seems no surprise.
> 
> Monk Chiang, could you please help to double check if upstream has fixed
> this issue ? Thanks.

Sure, I will check it by enable zvfhmin.