https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125856
--- Comment #3 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- (In reply to Hongtao Liu from comment #2) > > > > If it looks OK, we can expand the bounded memcpy like memmove. > > Maybe at O2, we still use libcall, and at O3, expand like memmove? But expand the bounded memcpy like memmove at O2 also seems reasonable.
