On Fri, Aug 05, 2011 at 09:32:05AM +0200, Richard Guenther wrote: > Well, but unless your training coverage is 100% all parts with no coverage > get optimized with -O3 instead of -Os. And I bet coverage for mozilla > isn't even close to 100%. Thus I think recommending -O3 for FDO is > usually a bad idea.
Experience shows that this isn't true. > So - did you try FDO with -O2? ;) Leads to roughly the same as -O3+FDO. The apk is also the same size, as well as individual libraries. Mike
