Yes I guess that works, so if I dont see any "64-bit" its not a nocona, and if I dont see any "sse3" its also not a prescott, and then it must be a "standard" pentium4, right? Best regards Søren -----Original Message----- From: gcc-help-owner@xxxxxxxxxxx [mailto:gcc-help-owner@xxxxxxxxxxx] On Behalf Of David Palao Sent: 25. februar 2005 11:34 To: gcc-help@xxxxxxxxxxx Subject: Re: Is my CPU a pentium4, prescott or a nocona? What about "cat /proc/cpuinfo"? Regards El Viernes, 25 de Febrero de 2005 11:15, Søren Neigaard escribió: > In the docs: > > http://gcc.gnu.org/onlinedocs/gcc-3.4.3/gcc/i386-and-x86_002d64-Options.htm >l#i386-and-x86_002d64-Options > > I read that there are 3 different -mtune/-march flags for the Pentium 4 > CPU, but how do I figure out which one my CPU is? If its the "standard" > pentium4, the improved prescott or the improved noacona? > > Med venlig hilsen/Best regards > Søren Neigaard > System Architect > ................................ > Mobilethink A/S > Arosgaarden > Åboulevarden 23, 4.sal > DK - 8000 Århus C > Telefon: +45 86207800 > Direct: +45 86207810 > Fax: +45 86207801 > Email: s.neigaard@xxxxxxxxxxxxxx > Web: www.mobilethink.dk > ................................