https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94364
--- Comment #2 from Martin Jambor <jamborm at gcc dot gnu.org> --- (In reply to Richard Biener from comment #1) > Huh, looks like this is the (patched by us) memory copying done in > spec_qsort? Yes > I wonder if you can re-measure with our patching undone but then with > -fno-strict-aliasing (though I think that only was required with LTO). > The difference indeed goes away :-/ The current code we're benchmarking (when not using LTO) is slower in both cases :-/ > How large are the objects sorted in mcf? It's always pointers, 8 bytes.
