In section 4.1 (Routines for integer arithmetic) of the internal gcc manual (gccint), __udivmodti3 is spelled __udivti3. I believe this is a typo
-- Summary: __udivmodti3 is spelled __udivti3 Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: other AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: and_j_rob at yahoo dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43967