https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97736
--- Comment #8 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to ncm from comment #6) > The referenced patch seems to have also deleted a fair bit of explanatory > comment text, including a list of possible refinements for selected targets. Sorry for that, I made an overhaul of the pass and I may miss porting of some comments.