2009/2/12 Volker Armin Hemmann <[email protected]>: > On Donnerstag 12 Februar 2009, 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, > > I am sure there is. But it is called 'pni' - its original name. > > >> 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 >> -------------------------------------------------------------------------- >> CPU #1 >> Family: 15 Model: 72 Stepping: 2 >> CPU Model : Turion 64 X2 (BH-F2) >> Processor name string: AMD Turion(tm) 64 X2 Mobile Technology TL-52 >> >> Feature flags: >> fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat >> pse36 clflsh mmx fxsr sse sse2 ht sse3 cmpxchg16b >> Extended feature flags: >> fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat >> pse36 nx mmxext mmx fxsr ffxsr rdtscp lm 3dnowext 3dnow lahf/sahf >> CmpLegacy svm ExtApicSpace LockMovCr0 >> >> SVM: revision 1, 64 ASIDs >> Address Size: 48 bits virtual, 40 bits physical >> The physical package has 2 of 2 possible cores implemented. >> ... >> ... >> >> >> my question is: I can not see SSE3 in cpuinfo because I did not use >> "-msse3" in CFLAGS ? > > no. Because it is called 'pni'. > > How about this cflags: > march=k8-sse3 -O2 -msse3 (in case march gets filtered) -pipe > ? > on amd64 fomit-frame-pointer isn't needed anymore. > > > >
thanks, I will add sse3 in my make.conf
