(In reply to comment #19) > (In reply to comment #18) > > Just tried oibaf's radeonsi_dri.so to copy here on Debian (just to be sure > > :D) and it suffers from the same problem with -march=generic ;) > > I mean -mtune=generic of course :). > > Now to bisect where that SSE4.1 code start to compile this slow (4 > minututes on Kabini just for that) :D Issue also not present on 64bit ;) I haven't seen the perf issue on my pure 64 bit setup, but have noticed that the compile sits on sse4.1 for a while recently - just using one core, like it's blocking the other threads of a make -j5 till it's done.