[Cython] Temps again

[Stefan Behnel]

Hi,

Dag Sverre Seljebotn wrote:
> Stefan Behnel wrote:
>> I wonder if this can also be useful for common subexpression elimination -
>> and if it makes sense to try such an optimisation in Cython...
> 
> I think almost all Python expressions can have potential side-effects 
> which makes such optimisation impossible -- and with non-Python 
> subexpressions it can at least technically be considered the job of the 
> C compiler. Or?

Right, that was my feeling, too. Another thing is stuff that the C compiler
can't optimise due to INCREF/DECREF use, but I can't think of an example
here, either.

Stefan