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Re: [PATCH][libgcc-math] Vectorized intrinsics for x86_64
On Sun, Apr 09, 2006 at 03:37:03PM +0100, Andrew Haley wrote:
> Steven Bosscher writes:
> > On Friday 07 April 2006 15:47, H. J. Lu wrote:
> > > The code is specific to Opteron. Shouldn't it be neutral to Opteron
> > > and Nocona?
> >
> > The assembly code was "contributed by AMD" (see the original posting
> > in http://gcc.gnu.org/ml/gcc-patches/2006-03/msg01611.html). Shouldn't
> > Intel first make sure that ICC works as well for Opteron as it does for
> > Nocona before Intel asks from AMD to write Nocona-optimized code? :-P
>
> This is a bizarre argument.
>
> Does the code work? Yes.
> Is it an improvement over current gcc? Yes.
> So check it in.
>
> If Intel wants to contribute patches to make this code better on
> Nocona, fine. But it isn't AMD's problem.
FWIW, the current change is tuned for Opteron. Any future changes for
Nocona may have negative impact on Opteron. Will that be a problem
when Intel submits such a patch?
H.J.