https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65832
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |NEW --- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> --- description and comment#2 and comment#6 still hold. Once you enable -mavx2 things get better, also when avoiding the gpr<->xmm through memory path which we enable with generic tuning.