Why does GCC produce faster code using "-march=pentium2 -mtune=pentium4" on a Pentium 4 chip versus plain -march=pentium4? Try it... CPUTYPE=pentium2 CFLAGS+= -mtune=pentium4 COPTFLAGS+= -mtune=pentium4 -- BSD Podcasts @ http://bsdtalk.blogspot.com/