https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90263
--- Comment #6 from Wilco <wilco at gcc dot gnu.org> --- (In reply to Martin Liška from comment #5) > The discussion looks familiar to me. Isn't that PR70140, where I was > suggesting something like: > > https://marc.info/?l=gcc-patches&m=150166433909242&w=2 > > with a new target macro: TARGET_HAS_FAST_MEMPCPY_ROUTINE ? Yes something like that should be fine. Unfortunately that patch doesn't apply anymore, and when I got it to compile it didn't do anything.