[MPlayer-dev-eng] [PATCH] Make mp3lib SIMD optimizations work on AMD64, Part 2

Guillaume POIRIER poirierg at gmail.com
Mon May 21 11:58:53 CEST 2007


Hi,

On 5/21/07, Zuxy Meng <zuxy.meng at gmail.com> wrote:

> Thanks. Part 1 committed. Now is Part 2, replacing leal to add/sub so
> that pointer arithmetic will be 64-bit under AMD64.
>
> According to AMD & Intel's manuals, add/sub is faster than lea on K8
> and P4 and has the same latency in PM/Core 2.

Looks OK to me, apply anytime.

Guillaume
-- 
Y'a pas de gonzesse hooligan,
Imbécile et meurtrière
Y'en a pas même en grande Bretagne
A part bien sûr Madame Thatcher
  -- Renaud (sur "Miss Maggie")



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