calculate_global_regs_live

[Zdenek Dvorak]

Hello,

> > There is patch by Zdenek to ensure finitarity of the propagation that I
> > think is best compromise sollution for this problem unless we want to go
> > for DJ-graphs based liveness computation that is much more involved and
> > can't embedde dead code removal as we do right now.
> > http://gcc.gnu.org/ml/gcc-patches/2003-01/msg02059.html
> 
> What happened to this patch, Zdenek?  Was it even reviewed?

IIRC I was asked to provide a testcase demonstrating the problem,
but I had none at that time.  At that the point the patch got stuck.

Zdenek