Jérôme M. Berger:

>       Even with -ftree-vectorize?

Right.


> AFAIK it is considered experimental and
> needs to be turned on explicitly. Don't know how good it is though...

It's a very long lasting and complex experiment then :-) There is a lot of work 
behind that little switch.
Modern compilers have a long way to go still, they need to compile little 
kernel loops better or much better.

Bye,
bearophile

Reply via email to