difference between xscale and iwmmxt

[Bridge Wu]

EABI tool chain is certainly good. But upgrading from old ABI tool
chain to EABI tool chain will impact too much aspects, not only
upgrading tool chain, re-building applications, but also upgrading
kernel.

I think I can build a compiler with --with-cpu=xscale configuration
and a library for xscale. But I'm not sure if that is fine with
-mcpu=iwmmxt. Because -mcpu=iwmmxt is needed for those programs using
iwmmxt instructions, we cannot stop using it completely.

Hi Richard,
I'd like to know what ill-specified ABI iwmmxt followed. Could you
please share with us how you know them? Thanks.

-- 
best regards,
-Bridge

On 9/7/06, Richard Earnshaw <rearnsha@arm.com> wrote:
> Prior to the EABI iwmmxt had it's own ill-specified ABI which had a
> number of weird self-inconsistencies.  I'd strongly suggest you avoid
> using that and adopt the EABI instead.
>
> R.
>
>

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