thanks! I'm new to gentoo, I get the CFLAGS from gentoo-wiki( http://en.gentoo-wiki.com/wiki/Safe_Cflags/AMD#Turion64_.2F_X2_.2F_Ultra ) and I am using 32bit linux.
2009/2/12 Joost Roeleveld <[email protected]>: > On Thu, February 12, 2009 12:52 pm, Zhang Jun wrote: >> Hi list, >> >> my laptop's cpu is AMD Turion64x2, I've installed both 32bits Debian >> testing and Gentoo on it, >> from Debian there is no SSE3 in /proc/cpuinfo, >> and I used CFLAGS="-O2 -march=athlon-xp -fomit-frame-pointer -pipe" on >> gentoo, and I can not see SSE3 in cpuinfo also, >> >> I emerged x86info, and SSE3 is in its output: >> >> #x86info >> x86info v1.21. Dave Jones 2001-2007 >> Feedback to <[email protected]>. >> >> Found 2 CPUs >> -------------------------------------------------------------------------- > <snipped output> > >> my question is: I can not see SSE3 in cpuinfo because I did not use >> "-msse3" in CFLAGS ? > > Hi, > > I would suspect that for your CPU using "-march=athlon-fx" would be more > beneficial as your CPU has the x86_64 instruction set as well? > > -- > Joost > > >

