The ARC port that is currently in the FSF GCC does not support the ARCompact architecture, which is used by the current and ARC chips ARC600 and ARC700, and by the already superceded ARCtangent-A5.
-- Summary: ARC port does not support ARCompact architecture Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: amylaar at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39303