config/i386/libgcc-glibc.ver only exports __extendxftf2 from shared libgcc for 64-bit, not 32-bit. I see no obvious reason for this omission, and __extendxftf2 is in static libgcc.
-- Summary: __extendxftf2 not exported from 32-bit shared libgcc Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jsm28 at gcc dot gnu dot org GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43383