[llvm] [AArch64] Set MaxInterleaving to 4 for Neoverse V2 (PR #100385)

[Sjoerd Meijer via llvm-commits]

sjoerdmeijer wrote:

> > Thanks for the thoughts and suggestions Dave.
> > I am pretty sure about what I saw with flang-new: 521.wrf_r compilation hangs and 503.bwaves_r segfaults. That's why I tried fotonik3d only, but I will try again and check if I can compile/run the other Fortran apps.
> > Sure, will add it to the V3 too.
> 
> All these benchmarks work fine for us. Can you try increasing the stack setting to unlimited, it should help 503.bwaves_r. Do you have a setting like the following for 521.wrf_r?
> 
> ```
> 521.wrf_r,621.wrf_s:  #lang='F,C'
>    CPORTABILITY  = -DSPEC_CASE_FLAG 
>    FPORTABILITY  = -fconvert=big-endian
> ```

Thanks @kiranchandramohan , Dave also helped me, and I was able to run the Fortran benchmarks.

https://github.com/llvm/llvm-project/pull/100385