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

[Cesar Soares Lucas]

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

src/hotspot/cpu/s390/vmreg_s390.cpp line 48:

> 46: 
> 47:   VectorRegister vreg = ::as_VectorRegister(0);
> 48:   for (; i < ConcreteRegisterImpl::max_vr;) {

NIT: this really looks like a `while` loop.

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PR Review Comment: https://git.openjdk.org/jdk/pull/18162#discussion_r1731832016