RFR: 8318776: Require supports_cx8 to always be true [v5]

[David Holmes]

On Wed, 22 Nov 2023 18:35:59 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

> Wow! This PR is much larger than I expected.
> 
> Thumbs up!

Thanks for the Review Dan! Yes lots of code deletion engineering in this one - and even better I got to delete template code with meta-programming stuff! :D

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PR Comment: https://git.openjdk.org/jdk/pull/16625#issuecomment-1823771180