https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79569
Bug ID: 79569 Summary: Unrecognized command line option ‘-m3dnowa’ Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: driver Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org Target Milestone: --- I know that it's probably very legacy target option, however we still offer it, but don't accept: $ gcc --help=target -Q | grep 3dnowa -m3dnowa [disabled] $ gcc /tmp/empty.c -m3dnowa cc1: error: unrecognized command line option ‘-m3dnowa’ All releases I have behave the same.