RFR: 8349721: Add aarch64 intrinsics for ML-KEM [v4]

[Andrew Dinn]

On Fri, 21 Mar 2025 13:59:10 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

>> Ferenc Rakoczi has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains six commits:
>> 
>>  - Fixed mismerge.
>>  - Merged master.
>>  - A little cleanup
>>  - Merged master
>>  - removing trailing spaces
>>  - kyber aarch64 intrinsics
>
> src/hotspot/share/opto/library_call.cpp line 7800:
> 
>> 7798:   const char *stubName;
>> 7799:   assert(UseKyberIntrinsics, "need Kyber intrinsics support");
>> 7800:   assert(callee()->signature()->size() == 3, "kyber12To16 has 3 parameters");
> 
> Just as an aside this causes testing of a debug build to fail. The intrinsic has 4 parameters.

With this value reset to 4 the ML_DSA test passes for ML_KEM on a debug build.

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PR Review Comment: https://git.openjdk.org/jdk/pull/23663#discussion_r2007642721