https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82666
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |marxin at gcc dot gnu.org --- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- Created attachment 42437 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42437&action=edit Reproducer (micro benchmark) Confirmed, I'm attaching micro-benchmark that I run on my Haswell machine. In time between GCC 6.x and current trunk we first improved performance in r239414 from 1.392704s -> 1.228814s. Then we significantly regressed in r242832 from 1.209454s -> 1.929302s.