[MPlayer-dev-eng] [PATCH] two independent patches for configure

[Xidorn Quan]

On Wed, Oct 10, 2012 at 12:17 AM, wm4 <nfxjfg at googlemail.com> wrote:

> On Tue, 9 Oct 2012 22:54:05 +0800
> Xidorn Quan <quanxunzhen at gmail.com> wrote:
>
> > The first patch adds more cpu type detection. It can now recongize
> > atom, corei7, and corei7-avx. References:
>
> What's the point of this? mplayer doesn't use any of the new
> instructions, and ffmpeg has its own runtime autodetection.
>

Even if it uses new instructions, it isn't necessery to add such cpu
type detection. This new cpu type detection only tells compiler that
it can optimize C code further for such cpu by, for example, using
new instructions provided by the cpu. Inline assembly isn't affected
by it at all.