RFR: 8316592: RISC-V: implement poly1305 intrinsic [v3]

[null]

On Wed, 1 Nov 2023 18:46:59 GMT, null <duke at openjdk.org> wrote:

>> src/hotspot/cpu/riscv/stubGenerator_riscv.cpp line 4498:
>> 
>>> 4496: 
>>> 4497:     // Arguments
>>> 4498:     const Register input_start = *regs, length = *++regs, acc_start = *++regs, r_start = *++regs;
>> 
>> Can you add some comments before this method about?
>> 1. the corresponding java method name being intrinsified.
>> 2. the mapping between the passed-in java arguments and resgiters used to hold the parameter.
>> And seems its more clear to use specific name such as c_rarg0/1 for `arguments` instead of this iterator. (For other registers, iterator is fine).
>
> Explicitly specified argument registers. I'll do the rest a bit later.

All done.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16417#discussion_r1380257210