[Bug middle-end/39046] gcc 4.4.0 20090116 loop unrolling causes unaccountable performance degradation

2009-01-30 Thread blu dot dark at gmail dot com
--- Comment #1 from blu dot dark at gmail dot com 2009-01-31 03:23 --- Result unreproducible under the same compiler version and same compile options on a OSX 10.5.6 core2duo host. Both 'flat_assignment_ai' and 'loop_assignment_ai' versions generate identical

[Bug c++/39046] New: gcc 4.4.0 20090116 loop unrolling causes unaccountable performance degradation

2009-01-30 Thread blu dot dark at gmail dot com
ty: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: blu dot dark at gmail dot com GCC build triplet: powerpc-apple-darwin8.11.0 GCC host triplet: powerpc-apple-darwin8.11.0 GCC target triplet: powerpc-apple-darwin8.11.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39046