RFR: 8308469: [PPC64] Implement alternative fast-locking scheme [v3]

[Richard Reingruber]

On Fri, 26 May 2023 10:56:41 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

>> You are right.
>
> I have removed it and will rerun tests. Please take a look. And thanks for the discussion.

I had just a quick look. Looks good.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14069#discussion_r1206605328