https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90539
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Haswell as well (https://gcc.opensuse.org/gcc-old/SPEC/CFP/sb-czerny-head-64-2006/recent.html) but only 10% and not bisected.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90539
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Haswell as well (https://gcc.opensuse.org/gcc-old/SPEC/CFP/sb-czerny-head-64-2006/recent.html) but only 10% and not bisected.