RFR: 8339411: [PPC64] cmpxchgw/h/b doesn't handle external Label

[Lutz Schmidt]

On Mon, 2 Sep 2024 20:48:59 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> I had forgotten to copy one line from the cmpxchgd in [JDK-8338814](https://bugs.openjdk.org/browse/JDK-8338814) (https://github.com/openjdk/jdk/commit/2edf574f62837678e621e1dfdd8d8a77dbe17ad6).

This one looks good, probably even trivial.

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Marked as reviewed by lucy (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/20826#pullrequestreview-2276163438