Re: Predict register usage

On Apr 26, 7:36 am, Chris F Clark <c...@[EMAIL PROTECTED]
> wrote:
> The one calling (register based) convention that I'm aware of where
> you might not need spill code by doing a call, is if the architecture
> sup****ts a rotating register window.  In that case, the hardware
> itself will take care of the spills.

And even then spills are not for free. Sure, they are more effective
if done en masse, but still very costly.

Andrey