On Fri, Jan 21, 2011 at 7:43 PM, H.J. Lu <hjl.to...@gmail.com> wrote: > Hi, > > SInce -O3 turns on vectorizer, should it also turn on > -funroll-loops?
We need to split the tree and RTL effects of -funroll-loops (and -fpeel-loops). -funroll-loops can at the moment lead to unneccessary code bloat. But yes, something to consider for 4.7. Richard. > -- > H.J. >