https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98161
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[11 Regression] Incorrect |[11 Regression] Incorrect |stack realignment on |stack realignment on |__force_align_arg_pointer__ |__force_align_arg_pointer__ |+-mavx |with -msse4 by r11-446 Target Milestone|--- |11.0 CC| |crazylht at gmail dot com, | |hjl.tools at gmail dot com, | |wwwhhhyyy333 at gmail dot com Status|UNCONFIRMED |NEW Last reconfirmed| |2020-12-06 Ever confirmed|0 |1 --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- It is triggered by r11-446. -m32 -msse2 -O2 is OK. But -m32 -msse4 -O2 is not. Hongyu, can you take a look?