Re: ppc_8xx-gcc 2.95.3 Monta Vista does not do ANY loop unrolling

From one of our compiler guys in relationship to your original question:

 > Later Alan Cox pointed out that my changes makes x86 run slower and it turns
 > out that on x86 and a fairly new gcc will automatically unroll loops 'where
 > appropriate'

Fairly new: 3.3-pre only.

That's very new!

Now I wonder:
 > Is this a gcc 2.95.3, PPC or Monta Vista limitation?

2.95.3.

OK

 > Which compiler will do unrolling 'where appropriate' for 8xx PPC and
 > Where can I get a precompiled version?

Nowhere, nor is using it for your kernels necessarily a good idea if
you don't have compiler experience.

quoted

I know Dan is handling the enet stuff, but since you both work

Dan no longer works for MontaVista.  (And has not for some time now.)

yes, my mistake.

Thanks for the info

        Jocke


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