https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98381
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenther at suse dot de Last reconfirmed| |2020-12-19 Summary|Wrong code with -O3 |[11 Regression] Wrong code |-march=skylake-avx512 |with -O3 | |-march=skylake-avx512 by | |r11-3072 Status|UNCONFIRMED |NEW Ever confirmed|0 |1 Target Milestone|--- |11.0 --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- It is caused by r11-3072.