Dehao Chen <de...@google.com> writes: > + > +@item -fauto-profile > +@itemx -fauto-profile=@var{path} > +@opindex fauto-profile > +Enable sampling based feedback directed optimizations, and optimizations > +generally profitable only with profile feedback available. > + > +The following options are enabled: @code{-fbranch-probabilities}, > @code{-fvpt}, > +@code{-funroll-loops}, @code{-fpeel-loops}, @code{-ftracer}, > @code{-ftree-vectorize}, > +@code{ftree-loop-distribute-patterns}
This needs more description aimed end-users, what it is good for and why, and a pointer to the needed utilities and a short summary what steps they need to take. -Andi -- a...@linux.intel.com -- Speaking for myself only