precise gc?

[Nick Sabalausky]

On Sat, 10 Nov 2012 23:17:41 +0100
eskimo <jfanatiker at gmx.at> wrote:

> Hey party people!
> 
> What is the current state? Is it enough to store a pointer in a
> ptrdiff_t variable instead of a pointer for the GC to ignore it or is
> my current trick of simply inverting its value required?
> 

I'm not sure I understand why you would hide a pointer from the GC.

> Are there memory models in use
> where the inverted pointer value might also be in GC memory?
> 

Yes, that can happen in 32-bit.