[llvm] [AArch64] Use LD1/ST1 in strict-align mode (PR #211513)

[David Green via llvm-commits]

https://github.com/davemgreen commented:

Do we think this will cause problems for users? It has never been clear to me if strict-align is purely about what the architecture considers aligned in some mode or what the frontend considers aligned. I don't know of any immediate places this would cause problems.

https://github.com/llvm/llvm-project/pull/211513