RFR: 8331733: [PPC64] saving and restoring CR is not needed at most places [v4]

[Martin Doerr]

On Wed, 5 Jun 2024 10:35:26 GMT, Varada M <varadam at openjdk.org> wrote:

>> PPC64 uses save/restore CR less often. Only LR is critical, CR is mainly needed for native-to-Java calls.
>> Fastdebug: build and tier1 testing successful. [unrelated failures]
>
> Varada M has updated the pull request incrementally with one additional commit since the last revision:
> 
>   [PPC64] saving and restoring CR is not needed at most places

The tests have passed on our side. I can approve it once the Copyright years are updated.

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PR Comment: https://git.openjdk.org/jdk/pull/19494#issuecomment-2152013268