[FFmpeg-devel] [PATCH 1/6] x86: huffyuvdsp: port mmx add_bytes to yasm

Christophe Gisquet christophe.gisquet at gmail.com
Thu May 29 21:41:27 CEST 2014


Hi,

2014-05-29 21:16 GMT+02:00 James Almer <jamrial at gmail.com>:
> On 29/05/14 2:37 PM, Christophe Gisquet wrote:
>     mova    m0, [dstq + sizeq]
>     mova    m1, [dstq + sizeq + mmsize]
>     paddb   m0, [srcq + sizeq]
>     paddb   m1, [srcq + sizeq + mmsize]
>     mova   [dstq + sizeq], m0
>     mova   [dstq + sizeq + mmsize], m1

I thought I had benchmarked it as slower on mmx. Retested, no
difference this time.

However, the code size is smaller so it makes sense.

-- 
Christophe
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