https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100257
--- Comment #5 from Hongtao.liu <crazylht at gmail dot com> --- (In reply to Andrew Pinski from comment #4) > (In reply to Hongtao.liu from comment #2) > > for vec_init, if higher part is zero, we can use vmovd/vmovq instead of > > vector concat. > > That is related to PR 94680 if not the same. Yes, but in different phase.