https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87007
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[8/9 Regression] 10% |[8 Regression] 10% slowdown |slowdown with |with -march=skylake-avx512 |-march=skylake-avx512 | --- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> --- Fixed on trunk so far.