https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68211
--- Comment #2 from Marc Glisse <glisse at gcc dot gnu.org> --- (In reply to H.J. Lu from comment #1) > When the patch for PR 70708, I got > > vmovq %xmm0, %xmm0 > vsqrtsd {ru-sae}, %xmm0, %xmm0, %xmm0 > ret Note that the goal of both PRs is to get rid of that movq (I agree that movq looks like an improvement compared to what we have currently, thanks).