https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90204
Sam James <sjames at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |liuhongt at gcc dot gnu.org --- Comment #22 from Sam James <sjames at gcc dot gnu.org> --- r12-5390-gd3152981f71eef (Reduce cost of aligned sse register store.) seems to be the fix.