[llvm] Reland "[AArch64][SME] Port all SME routines to RuntimeLibcalls" (PR #153417)

[Nikita Popov via llvm-commits]

nikic wrote:

New results: https://llvm-compile-time-tracker.com/compare.php?from=598562077af801632ff2547b46219720fb78c689&to=06dcfa51c0b5e3a75ea2717953233bff42a1fea5&stat=instructions:u Looks fine

https://github.com/llvm/llvm-project/pull/153417