[llvm] [AArch64] Increase scatter overhead on Neoverse-V2 (PR #101296)

[David Green via llvm-commits]

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@@ -3424,7 +3442,7 @@ InstructionCost AArch64TTIImpl::getGatherScatterOpCost(
   // Add on an overhead cost for using gathers/scatters.
   // TODO: At the moment this is applied unilaterally for all CPUs, but at some
   // point we may want a per-CPU overhead.
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davemgreen wrote:

This comment can be updated now.

https://github.com/llvm/llvm-project/pull/101296