Paul E. McKenney <paul...@linux.vnet.ibm.com> wrote: > > Additionally, what about the following code? > > > > char *x = y ? z : z; > > > > Does that extend a dependency chain from z to x? If so, I can imagine a > > CPU breaking that in practice. > > I am not seeing this. I would expect the compiler to optimize to > something like this: > > char *x = z;
Why? What if y has a potential side-effect (say it makes a function call)? David
