[FFmpeg-devel] [PATCH] NEON add_signed_pixels_clamped

Måns Rullgård mans
Sat Apr 4 22:24:25 CEST 2009

M?ns Rullg?rd <mans at mansr.com> writes:

> David Conrad <lessen42 at gmail.com> writes:
>> Hi,
>> 3% overall wmv3 decoding speedup.
>> Also, is it possible to have something like
>> .macro reg=2
>> d\(\reg*2)
>> evaluate to d4? Or any other ideas to put the repeated sections in a
>> macro that isn't ugly?
> I don't think there is a simple way, but read on.
> The attached version is 1 cycle faster on Cortex-A8, 5 cycles faster
> on A9.  Unfortunately it's somewhat more difficult to read than the
> original.  That's the price you pay for speed.

Applied my version.

M?ns Rullg?rd
mans at mansr.com

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