RFR: 8341137: Optimize long vector multiplication using x86 VPMUL[U]DQ instruction

[Vladimir Ivanov]

On Thu, 24 Oct 2024 23:47:29 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

> So, IMO the best way to move this particular enhancement forward is: ...

@jatin-bhateja here's a sketch (not tested): https://github.com/openjdk/jdk/compare/master...iwanowww:jdk:pr/21244

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PR Comment: https://git.openjdk.org/jdk/pull/21244#issuecomment-2455955390