difference between xscale and iwmmxt

[Richard Earnshaw]

On Thu, 2006-09-07 at 07:56, Bridge Wu wrote:
> Hi Khem,
> 
> Yes, if we use EABI toolchain, the result is always fine regardless of
> xscale or iwmmxt.
> You mean iwmmxt has its own ABI, which ABI does iwmmxt follow? Are
> there documents for iwmmxt like BSABI (ABI for ARM Architecture)?

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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