one question: tree-ssa vs no tree-ssa? no such global optimization exists.

[Paolo Bonzini]

>> * Was it useful the implementation of the complicated tree-ssa code
>> waited for long time (many years)?
>>
>> * Was it better the optimization without tree-ssa code?
> 
>   Why in a style like Yoda these questions you are asking?

He not speaks like Yoda, uses the order for words that is in Spanish (no 
habla como Yoda, utiliza la misma disposicion para las palabras que es 
in espanol).

Which begs the question, why does Yoda puts word in the same order you'd 
use in Spanish.

Paolo