RFR: 8360934: Add AVX-512 intrinsics for ML-KEM - enhancement on AVX512_VBMI and AVX512_VBMI2 [v2]

[Volodymyr Paprotski]

On Wed, 7 Jan 2026 13:18:50 GMT, Ferenc Rakoczi <duke at openjdk.org> wrote:

> > "Insert 0b0000 nibble after every third nibble". I only have two questions, looks good otherwise.

@ferakocz apologies for the misunderstanding; everything after the PS was not a request for change.. those were the questions that occurred to me and I found the answer.. The only reason I put them in was for the next reviewer. Or if I am wrong, e.g. no, I did not find a better instruction than vpermb either. (My first reaction to seeing the java code, was 'oh, this is easy, just a `vpermb`, then had to reason out why not..)

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PR Comment: https://git.openjdk.org/jdk/pull/28815#issuecomment-3719734572