RFR: 8351666: [PPC64] Make non-volatile VectorRegisters available for C2 register allocation [v4]

Thu Apr 10 15:59:32 UTC 2025

On Thu, 10 Apr 2025 15:55:04 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

>> Shouldn't the existing assertion catch all problematic cases?
>
> No sure. If, for instance, we removed the definition of the unused R13, we could get wrong results.
> And speaking of it, IMO, we should remove that definition and other unused too.

Also instead of bare indices we could `R0_H_num`, `F31_H_num`, etc.

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PR Review Comment: https://git.openjdk.org/jdk/pull/23987#discussion_r2037742807