RFR: 8296602: RISC-V: improve performance of copy_memory stub [v2]

[Vladimir Kempik]

On Thu, 17 Nov 2022 08:16:12 GMT, Fei Yang <fyang at openjdk.org> wrote:

>> Not sure I'm getting you right here. Please elaborate
>
> I am suggesting this style:
> 
> __ addi(src, src, -wordSize * 4);
> 
> instead of：
> 
> __ addi(src, src, -wordSize*4);

Thank you, done.

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PR: https://git.openjdk.org/jdk/pull/11058