[llvm] [AArch64] Set the cache line size to 64 for the V2 and V3. (PR #148213)

[Ryotaro Kasuga via llvm-commits]

kasuga-fj wrote:

> @kasuga-fj : thanks for the report, shall I look at that miscompilation since you're probably busy with the delinearization?

I've probably got a fix in mind, so I can take care of it next week if that's okay. But if it's urgent, feel free to take it over.

https://github.com/llvm/llvm-project/pull/148213