Michael Zintakis <michael.zintakis@xxxxxxxxxxxxxx> writes: > I am reading some very different (and sometimes conflicting) opinions > what these optimisation flags should be. So, what are the best flags > to use to compile source code for running on Atom? > > Personally, I think using "-O2 -march=atom -msssse3 -mfpmath=sse > -fomit-frame-pointer -pipe" is decent enough. Any other opinions? I am > using gcc 4.4.5. As far as I know GCC 4.4 does not support -march=atom. That was added in GCC 4.5. Ian
