On 21 January 2012 15:33, Jonathan Wakely wrote: >> - Do options indicating such a generic 64-bit cpu exist?, or > > Why do you think you need to use any -march option? > If do don't use one you'll get code that runs on any x86_64 machine. That was meant to say "if you don't use..." >> - Can I specifiy multiple -march options in one compile command?, or > > No. Technically you can, but only the last one will have any effect.
