RFR: 8328998: Encoding support for Intel APX extended general-purpose registers [v23]

[Emanuel Peter]

On Mon, 20 May 2024 14:57:47 GMT, Steve Dohrmann <duke at openjdk.org> wrote:

>> I have few comments.
>
> Hi @vnkozlov, 
> 
> Is there anything else you would like to see for this PR.  If not, I would like to check it in this week.

@steveatgh I think it could make sense to add a simple "hello world" JTREG test that enables the `UseAPX` flag, just to test if it is handled correctly, even on platforms that do not have the feature enabled.

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PR Comment: https://git.openjdk.org/jdk/pull/18476#issuecomment-2121810100