Ivan Yosifov <[EMAIL PROTECTED]> wrote: > -march implies -mtune and also implies thing like -msse2 for the > instruction set where applicable. > I think -march=pentium4 is equivalent to -mmmx -msse -msse2 > -mtune=pentium4 ( if I have not fogotten anything ). > Pentium4 supports things like sse2 and mmx which AFAIK plain i686 does > not.
AFAIK it's not possible to use SSE and MME in kernel mode, since these registers aren't preserved (it would be expensive). -- Ich danke GMX dafür, die Verwendung meiner Adressen mittels per SPF verbreiteten Lügen zu sabotieren. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
