On Mon, 2005-05-09 at 17:11, Richard Henderson wrote: > On Mon, May 09, 2005 at 12:40:48PM +0100, Richard Earnshaw wrote: > > > The best way is to have a post-reload splitter that splits the insn > > > into nothing at all. > > > > Is that really valid? I would have thought it would break the data flow. > > Obviously you only split to nothing when the registers match. > But we don't have mode correspondence between successive register > apperances after reload. > > > r~
So do we fully recreate *all* the flow information before a scheduling pass?