RFR: 8340657: [PPC64] SA determines wrong unextendedSP

[Martin Doerr]

On Mon, 23 Sep 2024 15:15:27 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> Using the FP as raw_unextendedSP is wrong and causes problems like [JDK-8339772](https://bugs.openjdk.org/browse/JDK-8339772).
> "test/hotspot/jtreg/serviceability" tests have passed with this PR.

Thanks a lot for looking at the issue and for the reviews!

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PR Comment: https://git.openjdk.org/jdk/pull/21139#issuecomment-2370716351