Gcc 4.0 20051113 and 4.120051207 miscompiled eon in SPEC CPU 2K with -O2. I got
Running Benchmarks Running 252.eon ref base o2 default *** Miscompare of pixels_out.kajiya, see /export/spec/src/2000/spec/benchspec/CINT2000/252.eon/run/00000002/pixels_out.kajiya.mis x86-64 seems OK. Gcc 4.2 20051203 is OK. -- Summary: [4.0/4.1] -O2 miscompiled eon in SPEC CPU 2K Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl at lucon dot org GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25303