What to do with new-ra for GCC 4.0

[Daniel Berlin]

On Tue, 2005-01-04 at 10:46 -0500, David Edelsohn wrote:
> 	If one cannot assign registers, the next important decisions are
> what, how, and where to spill.  new-ra focussed on optimal choice of
> registers, but did not pay enough attention to register spilling.
> 

This is true (we did do some smarter spilling, see interference region
spilling), but in part it's because reload would spill a lot of things
anyway (and it has no smart spill placement stuff), until pre-reload
came along.




> David
>