Acovea/pentium_m_gcc33_pentium_4_fft

optimistic options

      -fno-omit-frame-pointer (1.142)
             -frerun-loop-opt (2.524)
            -fstrict-aliasing (2.745)
       -fprefetch-loop-arrays (2.745)
              -fno-math-errno (1.142)

pessimistic options

           -fno-loop-optimize (-2.782)
            -fno-crossjumping (-1.124)
           -finline-functions (-1.069)
            -freduce-all-givs (-1.345)
                 -mfpmath=sse (-2.782)
             -mfpmath=sse,387 (-1.843)
         -fomit-frame-pointer (-1.29)
    -momit-leaf-frame-pointer (-1.456)