https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64785
--- Comment #6 from Kazumoto Kojima <kkojima at gcc dot gnu.org> --- (In reply to Oleg Endo from comment #4) > I think that an SH specific pre-RA RTL pass could be useful in the future, > for example to improve R0 utilization, even with LRA. > > Kaz, do you have any opinions? I like your pre-RA pass even if it's a too big hammer for this specific problem. It should wait the next stage1, though. Also it would be better to look for another use cases of that pass as you suggested so as to justify the cost of scanning all insns.
