This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: [tree-ssa] Bootstraps broken on alpha, ia64 and ppc. Branch closed.
>
>
> On Fri, 28 Nov 2003, Jan Hubicka wrote:
>
> > > > non-GCed basic blocks only. I will work around this by adding separate
> > > > linked list of referenced PHIs.
> > >
> > > When yuo do this, please remoev the added_phis array in PRE (which is
> > > used to make sure PHI's PRE adds don't get collected).
> >
> > At the moment I do have such array at the side (symetric to
> > tree_bb_roots) for PHIs, so it does not solve your problem inside PRE.
>
> How so?
> If added phis are on this list, there is no need for PRE to keep a
> seperate list.
>
> > (the EPHIS are stored separatly from PHIs lists, right?)
>
> Yes, but i'm not sure how that is relevant. EPHI's aren't ggc allocated.
Hmm, in the case EPHIs are not garbage collected, we should be safe.
I will look later into what is getting lost during GGC in PRE.
Honza