Multiple return values

[Andrei Alexandrescu]

On 1/4/12 2:36 AM, Manu wrote:
> Regardless, I'd like to put a strong +1 towards proper multiple return
> values. The point is NOT just to have the syntactical feature (ie.
> struct return value semantics via tuples). The point is a language
> guarantee that the architecture will do its best job to return each
> value in consecutive registers OF ITS OWN TYPE, avoiding
> allocation&writing to the stack. This is a common problem in C where the
> only solution is to make functions inline or pay the cost of hitting the
> stack (LHS hazard, very expensive on many RISC architectures).
> It would lead to many optimisations in lots of code in my experience.

Why make those optimizations only for multiple return values and not for 
every single returned structure?

Andrei