RFR: 8371259: ML-DSA AVX2 and AVX512 intrinsics and improvements [v2]

[Volodymyr Paprotski]

On Thu, 20 Nov 2025 21:31:31 GMT, Sandhya Viswanathan <sviswanathan at openjdk.org> wrote:

>> Volodymyr Paprotski has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - whitespace
>>  - address first comments
>
> src/hotspot/cpu/x86/stubGenerator_x86_64_dilithium.cpp line 1283:
> 
>> 1281:     // r1 = r1 & quotient; // copy 0 or keep as is, using EqMsk as filter
>> 1282:     for (int i = 0; i < regCnt; i++) {
>> 1283:       // FIXME: replace with void evmovdqul(Address dst, KRegister mask, XMMRegister src, bool merge, int vector_len);?
> 
> Is the fixme a leftover?

Yes. Removed. (I think I was considering merging this instruction with the storeXmm, but there really isnt a good way to do that)

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PR Review Comment: https://git.openjdk.org/jdk/pull/28136#discussion_r2548005781