https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77468
--- Comment #16 from Aldy Hernandez <aldyh at gcc dot gnu.org> --- > > Could you dump me the assembly of the hot loop before and after that change > - I'll see if we're doing anything particularly offensive with the > scheduling, though I still don't have access to the source code for this > benchmark so a reduced testcase would be appreciated. James, comment 9 has instructions on what I did to get the source. It's a simple file with no dependencies but system header files. Is this sufficient, or do _really_ want me to preprocess and reduce the testcase ;-)??