Rather awkwardly, you've asked about an instruction that isn't currently implemented. :D Support for wmma and friends is in development.
But in general the answer to your question is yes: we use AMD-specific builtins where available/efficient to make things work. Otherwise many things would be unrepresentble, not just slow!
But in general the answer to your question is yes: we use AMD-specific builtins where available/efficient to make things work. Otherwise many things would be unrepresentble, not just slow!