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

[David Green via llvm-commits]

davemgreen wrote:

Hi - I think that sounds good. It might spend a bit of codesize, but should hopefully mitigate the perf issues we've seen before. In the long run we should look into predicated epilog vectorization again - that should be especially good in cases where we can remove the scalar loop entirely.

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