https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101908
Bug ID: 101908 Summary: cray regression with -O2 -ftree-slp-vectorize compared to -O2 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: hubicka at gcc dot gnu.org Target Milestone: --- This should be easy to track since cray is stupid benchmark. According to run https://lnt.opensuse.org/db_default/v4/CPP/latest_runs_report?younger_in_days=14&older_in_days=0&all_changes=on&min_percentage_change=0.001&revisions=e54acea9e5a821448af97c66e94a1e4c4f977d5d%2Ce87209a1269622017bf3d98bf71502dcb0f893aa%2C73474527aaa24d9236aca074c5494a07f40ce058&include_user_branches=on slp-vectorize seems to cause 101%-124% regression on zen and 96% on kabylake.ve