(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 ;)