On Linux/ia32 and Linux/x86-64, this patch http://gcc.gnu.org/ml/gcc-patches/2008-09/msg01176.html
caused FAIL: gcc.target/i386/asm-3.c execution test on ira-merge branch. -- Summary: [ira-merge] FAIL: gcc.target/i386/asm-3.c execution test Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization 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=37598