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Re: __builtin_prefetch() question


Hi,

On Dom 26 May 2002 11:30, Bryce McKinlay wrote:
> Guillermo Ballester Valor wrote:
> >My question is: does __builtin_prefetch() in GCC 3.1 actually insert any
> >prefetch hint for pentium3 target? or it does nothing with it?
> >
> >I listed assembler outputs with -march=pentium3 (and some prefetch calls)
> > and I can't see any prefetch code, and diffs show me no differences with
> > __builtin_prefetch() calls and without it.
>
> Try -mcpu=pentium3
>

I've tried all combinations of '-mcpu=pentium3' and '-march=pentium3' without 
success. I also read in gcc info that -march=CPU-TYPE implies -mcpu=CPU-TYPE.

Guillermo

-- 
Guillermo Ballester Valor
gbv@oxixares.com
Granada (Spain)



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