[llvm] [AArch64] Intrinsics aarch64_{get,set}_fpsr (PR #81867)

[Paul Walker via llvm-commits]

paulwalker-arm wrote:

Given these are LLVM intrinsics I don't see ACLE related concerns here.  Depending on the extent of access required it might be worth promoting their inclusion but I doubt they'll be used extensively enough, especially in a "can be optimised by the compiler" context to warrant then.

https://github.com/llvm/llvm-project/pull/81867