RFR: 8350480: RISC-V: Relax assertion about registers in C2_MacroAssembler::minmax_fp

[Fei Yang]

On Fri, 21 Feb 2025 10:33:04 GMT, Hamlin Li <mli at openjdk.org> wrote:

>> Hi, please review this trivial change.
>> The current assertion about the registers is more than needed.
>> It requires that `dst`, `src1` and `src2` must be different from each other.
>> But the code only required that `dst` must be different from `src1` and `src2`.
>> Patch simply relaxes the assersion removing the unneeded constraint.
>> fastdebug builds OK with change.
>
> Looks good.

@Hamlin-Li @feilongjiang : Thanks!

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PR Comment: https://git.openjdk.org/jdk/pull/23723#issuecomment-2676133745