[Python-Dev] Accepting PEP 3154 for 3.4?

Antoine Pitrou solipsis at pitrou.net
Tue Nov 19 19:53:52 CET 2013


On Tue, 19 Nov 2013 19:51:10 +0100
Antoine Pitrou <solipsis at pitrou.net> wrote:

> On Mon, 18 Nov 2013 16:48:05 -0800
> Guido van Rossum <guido at python.org> wrote:
> > 
> > Food for thought: maybe we should have variable-encoding lengths for all
> > opcodes, rather than the current cumbersome scheme?
> 
> Well, it's not that cumbersome... If you look at CPU encodings, they
> also tend to have different opcodes for different immediate lengths.
> 
> In your case, I'd say it mostly leads to a bit of code duplication. But
> the opcode space is far from exhausted right now :)

Oops... Make that "in our case", of course.

cheers

Antoine.




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