extended.h in soft-fp assumes the size 80bit XFmode is 16byte. It is only correct for x86-64. For ia32, it is 12byte.
-- Summary: Incorrect XFmode emulation in soft-fp Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl dot tools at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36667