> I would deeply appreciate if the community can provide feedback as to > whether preventing hardreg copy propagation based on the frame-relatedness > of the instructions is fine.
This looks like the most straightforward approach, so I'd give it a try and post a patch along these lines on the gcc-patches@ list (you can CC me on it). If other people come up with a better idea, we can further discuss from there. -- Eric Botcazou
