Re: Stacks & registers

[Alan Burlison]

Uri Guttman wrote:

> but indexing directly into a stack frame is effectively a register
> window. the problem is that you need to do an indirection through the
> window base for every access and that is slow in software (but free in
> hardware).

Not quite - a register window system has real registers, it's just at some
point they may end up in memory.  That's not the same as indexing into
memory on every access.

Alan Burlison