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Re: Altivec tools?



On Thu, Aug 23, 2001 at 08:02:29AM +0200, Michel Lanners wrote:
> Hi all,
> 
> Anybody have a quick step guide to working with Altivec under
> Debian for PPC? Any .debs (doubt it)?
> 
> I'm trying to make use of vlc's Altivec-accelerated IDCT (which so far
> is only meant for MacOS X and doesn't work), so I obviously need an
> Altivec-enabled toolchain.
> 
> I've had a look at altivec.org; their tools seem to be relatively old.
> Is that still the best bet? Are the new gcc-3.0 tools Altivec-enabled?
> 
> Any gotchas I should know about?

I'm guessing it's in C with the Moto extensions, rather than assembly,
then?  The current assembler is perfectly happy with altivec (might
need to pass -m7400).  GCC does not support altivec in any way, won't
for the forseeable future, and will almost certainly never support the
(badly designed - no flames, please, not again...) Motorola extensions.

You're pretty much out of luck.  Someone could theoretically package
the Altivec-ized GCC they put together - but there may be licensing
issues (not sure) and there are definitely major bugs.  I don't
recommend it at all.

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer



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