Is there any documentation for what gcc does with branch prediction
information it gets from profiling? I am interested in this for
modern Pentium processors where you can no longer give hints.
Specifically I am interested in whether there are in fact any
optimisations that work reliably from thi
Thank you for this. My question was about something more specific
however. I am interested specifically in branch prediction. For
example one could add __builtin_expect or the compiler can use the
information it finds in its profiling. How is this information used
by gcc to provide optimised ass
