On 05/05/17 17:10, Wilco Dijkstra wrote: > Richard Earnshaw (lists) wrote: > >> While on the subject, why is the w->w operation also hidden? > > No idea, this just fixes one case where it is obvious the use of '*' is > incorrect. > > However I think all uses of '*' in md files are incorrect and the > feature should > be removed. '?' already exists for cases where the alternative may be > expensive. >
It's not quite as simple as that. It may be, however, that we should only use it for restricting subclasses (eg generally avoiding high registers on Thumb1). However, things have changed somewhat since the move to LRA and what was once true might be quite different now. R. > Wilco
