It's entirely possible my terminology is wrong here. I was thinking of the cost of decode, register renaming, and scheduling but those aren't really part of di

It's entirely possible my terminology is wrong here. I was thinking of the cost of decode, register renaming, and scheduling but those aren't really part of dispatch, are they? So it looks like I more got things backwards but I think the point that there are different sorts of cost savings worth distinguishing through using more capable instructions is still salvageable.