Loop optimizer issues

[Zdenek Dvorak]

Hello,

> > just for sure -- nobody will protest if I drop handling of libcalls
> > in new loop optimizer? This definitely should not be neccesary to handle
> > on rtl level.
> 
> How do you plan to handle ports where multiplication or addition
> requires a libcall?

in no special way.  The optimizations done on ast level would then have
higher priority for optimizing them when possible.

Zdenek