http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56068
Bug #: 56068 Summary: -march=native creates Illegal instruction on KVM guests Classification: Unclassified Product: gcc Version: 4.4.6 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassig...@gcc.gnu.org ReportedBy: jpye...@pdinc.us Created attachment 29238 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29238 gcc -dM -E - gcc (GCC) 4.4.6 20120305 (Red Hat 4.4.6-4) My guess is that it is creating SSE3 instructions. discovered while working https://issues.asterisk.org/jira/browse/ASTERISK-20128