[llvm] [X86][AMX] Reserve all pair registers when AMXTRANSPOSE is not ready (PR #114706)

[Phoebe Wang via llvm-commits]

phoebewang wrote:

> Unfortunately I'm not seeing any effect from this one either :( https://llvm-compile-time-tracker.com/compare.php?from=af6ebb70d22ed75d4472a6069ba3a0890e0d3a00&to=c426f9802c589c08789bdfc1273e551c069bb97b&stat=instructions:u

Thanks for checking, should be solved by https://github.com/llvm/llvm-project/pull/114944

https://github.com/llvm/llvm-project/pull/114706