Messages in this thread | | | Date | Thu, 25 Oct 2007 22:20:31 +0200 | From | Adrian Bunk <> | Subject | Re: Possibility of adding -march=native to x86 |
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On Thu, Oct 25, 2007 at 09:12:45PM +0100, Michael Lothian wrote: > > The MPENTIUM4 option does not only set -march=pentium4, it also enables > > several other options in arch/i386/Kconfig.cpu resulting in better > > performance. > > How about an autodetect to set the right options here too using cpuid? > > With a warning of course that the code produced will be specifically > for the native cpu that it's compiled on.
If you don't know or can figure out yourself the CPU you have, you'd better not compile your own kernel...
cu Adrian
--
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