RFR: 8349851: RISCV: Call VM leaf can use movptr2 [v2]

[Fei Yang]

On Wed, 12 Feb 2025 06:44:50 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

>> Hi, please consider.
>> 
>> There should be a small speed up to vm leafs.
>> We can scratch t2 here as we just pushed it. (maybe I should have used t0)
>> 
>> Passes t1
>> 
>> /Robbin
>
> Robbin Ehn has updated the pull request incrementally with one additional commit since the last revision:
> 
>   t0, remove ws

Thanks for the update. Just wonder how many instructions will we save here. I know it will depend on the value of `entry_point`.

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Marked as reviewed by fyang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/23565#pullrequestreview-2610975384