[MPlayer-dev-eng] MPlayer and gcc ia32 intrinsics

[Guillaume Poirier]

Hi,

Zuxy Meng wrote:

[..]

> Intrinsics produce as good code as inline asm, and it's (IMHO) easier
> to read and maintain. Besides, codes written by intrinsics may get
> optimized even more when compiled in x86_64 because of more xmm
> registers. I personally encourage the use of intrinsics in future cpu
> specific routines.

You are not the only one who emphasis it, this papers says the same as
you: http://www.cri.ensmp.fr/classement/doc/A-373.pdf
It just so happen that GCC (on this paper, gcc 4.1) produces better
code with intrisics than ICC (9.0), which is IMHO quite an achievement.

Guillaume