On Sun, Feb 21, 2010 at 12:22 PM, Erik Trulsson <ertr1...@student.uu.se> wrote: >> >> I agreed that gcc for x86 should choose a sensible default for 95% of >> current x86 processors in use. People with those old processors can >> use older gcc or -march=. >> >> Default to SSE2 is a good first step. > > I think you vastly underestimate the number of older x86 processors in > use. >
There is nothing which stops them from using -march=i386. It just may not be the default. -- H.J.
