RFR: 8327652: S390x: Implements SLP support [v2]

[Martin Doerr]

On Fri, 15 Mar 2024 12:11:06 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:
> 
>   Address review comments

src/hotspot/cpu/s390/s390.ad line 754:

> 752:  Z_VR31, Z_VR31_H, Z_VR31_J, Z_VR31_K,
> 753: );
> 754: 

Why do you use only VR16 to VR31? If there is a reason, it should be explained in a comment.

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PR Review Comment: https://git.openjdk.org/jdk/pull/18162#discussion_r1526310541