RFR: 8360179: RISC-V: Only enable BigInteger intrinsics when AvoidUnalignedAccess == false [v2]

[Anjian Wen]

On Mon, 23 Jun 2025 06:34:06 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

>> Anjian Wen has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   remove useless func multiply_32_x_32_loop which only used in AvoidUnalignedAccesses case!
>
> Looks good, thanks!

@feilongjiang @RealFYang  Thanks for the reviews!

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PR Comment: https://git.openjdk.org/jdk/pull/25923#issuecomment-2998585660