This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: birthpoints in rtl.


> > I think that at this point, i have been convinced to:
> > 
> > 1) use fud's rather than birthpoints because these do keep a slot for
> > the value along each in edge.
> > 2) keep the info on the side (see rsandifors diverging thread).
> > 
> > I am not there on keeping extra names on the side.   The advantage of
> > the extra names is that it gives you extra freedom.   the disadvantage
> > is that either the transformations are more expensive or getting out of
> > the renamed form is expensive.  
> 
> The names are equivalent to UD pointers:  Either you can have version
> names or just coinsider the destination of UD pointer to be the
> destination.  Or am I still missing a point?

... well perhaps in better Czenglish ...
Either you can have version names and build UD pointers by knowing
definition points of the version or you can consider UD pointer being
the version name.

Honza


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]