"Uros Bizjak" <[EMAIL PROTECTED]> дÈëÏûÏ¢ÐÂÎÅ:[EMAIL PROTECTED] > Hello! > >> I'm particularly interested in this patch >> (http://gcc.gnu.org/ml/gcc-patches/2005-07/msg01128.html); pretty > nice for >> users of Pentium 3 and Athlon. Has it been or will it be integrated into >> mainline? > > This patch heavily depends on the functionality of optimize mode > switching pass. Unfortunatelly, there is currently no way to tell > optimize_mode_switching() which modes are exclusive. Due to the way how > the emms switching patch was designed, it expects that either MMX or X87 > mode can be active at once, to properly switch between x87 and MMX > registers. > > PR target/19161 (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19161) > comment #17 has an example of the control flow that can block both > register sets at once. Otherwise, the patch works as expected.
Sorry to dig this old thing old, but will u continue to work on this once the problem you mentioned above gets resolved? And what about 3DNow! support? Just curious:-) -- Zuxy
