http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47166
--- Comment #2 from Ian Bolton <ibolton at gcc dot gnu.org> 2011-01-04 12:30:23 UTC --- Created attachment 22896 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22896 Preprocessed source, before/after .s file, before/after IRA dump Contains the following: pr47166/rectmm.i - the preprocessed source pr47166/CMD - how to compile it pr47166/rectmm.r164495.i.188r.ira - working IRA dump pr47166/rectmm.r164495.s - working assembly pr47166/rectmm.r164498.i.188r.ira - broken IRA dump pr47166/rectmm.r164498.s - broken assembly Note that the revision numbers represent working/broken revisions of gcc 4.5 branch.