Using the stack from inline assembly

[Andrew Haley]

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.