What instructions you have and how they are structured does have direct relation to how easy/hard is to produce performant code with it, but yeah, in modern big

What instructions you have and how they are structured does have direct relation to how easy/hard is to produce performant code with it, but yeah, in modern big processors they pretty much always go thru transformation to uOps (sort of micro-instructions) that are cpu vendor specific. But yeah modern IP laws are clown cart of idiocy that try to kill competing on good product alone at every possible corner