On Thu, Jun 19, 2008, Felipe Sateler wrote: > Are there amd64 machines that don't support mmx? AFAIK amd64 machines have at > least SSE and SSE2, with most likely SSE3 too. No, you can assume SSE and MMX on amd64 AFAIK; dunno about SSE2 and 3. -- Loïc Minier