https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65249
--- Comment #20 from Oleg Endo <olegendo at gcc dot gnu.org> --- (In reply to Kazumoto Kojima from comment #19) Just for my understanding ... at which time does the modified expand pattern kick in? Before RA, during RA or after RA? It's a bit confusing, because operands[0] is already a hard-reg and operands[1] is supposed to be a pseudo ...
