Everyone take a look at
/usr/lib/gcc-lib/i586-pc-linux-gnu/3.2.2/specs
Especially section
*cpp_cpucommon:
should explain how the CPU related flags are evaluated.
Regards,
Stephan
--
Alex Schuster wrote:
>
> Richard writes:
>
> > CFLAGS="-march=athlon-xp -mcpu=athlon-xp -O3 -pipe"
>
> -march (generate code running on that special CPU) includes -mcpu
> (optimize for that CPU, but make code still run on other CPUs). I
> guess your -mcpu is just being ignored, but maybe it is overriding the
> -march?
>
> Alex
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