RFR: 8327652: S390x: Implements SLP support [v9]

[Martin Doerr]

On Mon, 26 Aug 2024 05:17:47 GMT, Sidraya Jayagond <sjayagond at openjdk.org> wrote:

>> This PR Adds SIMD support on s390x.
>
> Sidraya Jayagond has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add rebase changes from jdk master

Ok, so on PPC64 we only have one VMReg per VectorRegister. Seems to work. I don't know why s390 needs the individual ones, but that may be better. Except in terms of resource usage and register allocation performance I guess.

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PR Comment: https://git.openjdk.org/jdk/pull/18162#issuecomment-2311081123