[MPlayer-users] Building with SSE3 support

[Anssi Saari]

On Sat, Oct 18, 2008 at 01:24:23PM -0700, Jason Garrett-Glaser wrote:
 
> As far as I've experienced, there is zero measurable benefit from
> -march higher than pentium2 (except for SSE float math maybe), and
> GCC's autovectorization is patently worthless.

Interesting. I actually tried building Firefox with -ftree-vectorize
recently, but all I got was a binary that segfaulted immediately.

So is that why it's worthless or is it because even if it produced a
working binary, it wouldn't be any faster?