[llvm] [AArch64] Allocate two emergency spill slots for MTE to fix register … (PR #186505)

[Florian Mayer via llvm-commits]

https://github.com/fmayer commented:

Would it be better to just skip the loop when we don't have a register available? Not sure this is a net benefit for codegen

https://github.com/llvm/llvm-project/pull/186505