RFR: 8331733: [PPC64] saving and restoring CR is not needed at most places [v5]

[Martin Doerr]

On Thu, 6 Jun 2024 11:24:02 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 with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains seven additional commits since the last revision:
> 
>  - Merge branch 'master' into LR
>  - [PPC64] saving and restoring CR is not needed at most places
>  - [PPC64] saving and restoring CR is not needed at most places
>  - [PPC64] saving and restoring CR is not needed at most places
>  - [PPC64] saving and restoring CR is not needed at most places
>  - [PPC64] saving and restoring CR is not needed at most places
>  - [PPC64] saving and restoring CR is not needed at most places

Marked as reviewed by mdoerr (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/19494#pullrequestreview-2101793809