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

[Volodymyr Paprotski]

> - New AVX2 intrinsics are 1.6x-6.9x faster than Java baseline 
>    - `SignatureBench.MLDSA` is 1.2x-2.2x faster
>    - Note: there is no AVX2-SHA3 intrinsics yet (Being reviewed https://github.com/vpaprotsk/jdk/pull/7)
> - AVX512 intrinsic improvements are 1.24x-1.5x faster then current version 
>   - `SignatureBench.MLDSA` is upto 5% faster, never slower
> 
> Note on intrinsic:
> - The emitted (existing) AVX512 assembler was not "significantly" changed; mostly more efficient instruction selection and tighter register allocation, which allowed removal of NTT loop and stack spill.
> - Code was refactored to allow reuse of same assembler (as possible) for AVX512 and AVX2
> 
> Tests and benchmarks:
> - Added a fuzz test to ensure Java and intrinsic produces exactly same result
> - Added benchmark to measure the performance of intrinsic itself
> 
> make test TEST="test/jdk/sun/security/provider/acvp/Launcher.java test/jdk/sun/security/provider/acvp/ML_DSA_Intrinsic_Test.java"
> make test TEST="test/jdk/sun/security/provider/acvp/Launcher.java test/jdk/sun/security/provider/acvp/ML_DSA_Intrinsic_Test.java" JTREG="JAVA_OPTIONS=-XX:UseAVX=2"
> make test TEST="micro:org.openjdk.bench.javax.crypto.full.SignatureBench.MLDSA" MICRO="JAVA_OPTIONS=-XX:+UnlockDiagnosticVMOptions -XX:+UseDilithiumIntrinsics;FORK=1"
> make test TEST="micro:org.openjdk.bench.javax.crypto.full.SignatureBench.MLDSA" MICRO="JAVA_OPTIONS=-XX:+UnlockDiagnosticVMOptions -XX:-UseDilithiumIntrinsics;FORK=1"

Volodymyr Paprotski has updated the pull request incrementally with two additional commits since the last revision:

 - whitespace
 - address first comments

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/28136/files
  - new: https://git.openjdk.org/jdk/pull/28136/files/6d3f7794..e9133401

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28136&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28136&range=00-01

  Stats: 42 lines in 5 files changed: 17 ins; 15 del; 10 mod
  Patch: https://git.openjdk.org/jdk/pull/28136.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28136/head:pull/28136

PR: https://git.openjdk.org/jdk/pull/28136