On 13/12/16 18:15, Segher Boessenkool wrote: > Clobbering "memory" does not work here. Clobbering "rsp" however seems > to work. But, "seems to", I don't think there is a guarantee anywhere. > Clobbering the stack pointer forces the use of the frame pointer, but is > that guaranteed even? No, I think we shouldn't do that. If it's necessary to save things on the stack all we need to do is to avoid the red zone. That really isn't hard. Andrew.
