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

[Michael Niedermayer]

On Thu, May 29, 2014 at 09:41:27PM +0200, Christophe Gisquet wrote:
> 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

>  huffyuvdsp.c             |    2 +-
>  huffyuvdsp.h             |    2 +-
>  ppc/huffyuvdsp_altivec.c |    2 +-
>  x86/huffyuvdsp.asm       |   37 +++++++++++++++++++++++++++++++++++++
>  x86/huffyuvdsp_init.c    |    9 +++++++--
>  x86/huffyuvdsp_mmx.c     |   32 +-------------------------------
>  6 files changed, 48 insertions(+), 36 deletions(-)
> d73ad5f5306e8dc31c4ce8466f89e84b4ec9af6c  0001-x86-huffyuvdsp-port-add_bytes-to-yasm.patch
> From bbac9f54e11032b3779b4a6f0364329382232bdd Mon Sep 17 00:00:00 2001
> From: Christophe Gisquet <christophe.gisquet at gmail.com>
> Date: Wed, 28 May 2014 15:52:24 +0200
> Subject: [PATCH 1/5] x86: huffyuvdsp: port add_bytes to yasm
> 
>           C   MMX  SSE2
> Cycles: 2972  587  302

applied

thanks

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

You can kill me, but you cannot change the truth.
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