what cflag/march to use for intel core duo l2400?

Tim Prince timothyprince@sbcglobal.net
Fri Jun 9 01:49:00 GMT 2006


George Nychis wrote:
> 
> 

> I'd prefer sticking to gcc-4.1
> 
> So, this person has a pentium m, and /proc/cpu info says his processor 
> belongs to family 6... as you can see, mine also belongs to family 6... 
> so even though the wiki stages march=prescott, what do you guys think?
> 
-march=pentium-m prefers x87 over sse scalar code, because pentium-m can 
decode sse at only half the rate of x87. You should see the speed 
advantage clearly on pentium-m, presumably not on Core Duo.



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