Acovea/pentium_m_gcc33_pentium_3_fft

optimistic options

                       -fgcse (1.213)
            -fstrict-aliasing (2.919)
       -fprefetch-loop-arrays (2.625)
                  -fno-inline (1.389)
               -malign-double (1.389)
  -funsafe-math-optimizations (1.036)

pessimistic options

          -fno-if-conversion2 (-1.141)
           -fno-loop-optimize (-2.611)
            -freduce-all-givs (-2.317)
       -minline-all-stringops (-1.729)
                 -mfpmath=387 (-1.435)
                 -mfpmath=sse (-2.376)
    -momit-leaf-frame-pointer (-2.258)