http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47672
--- Comment #6 from Vincent Riviere <vincent.riviere at freesbee dot fr> 2011-06-06 21:20:46 UTC --- > What specific instructions are missing from -ffast-math? I don't know myself, but I have been told it was the case. http://gcc.gnu.org/ml/gcc/2011-02/msg00186.html
