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Wed Apr 13 17:44:14 EDT 2016 · https://mail.python.org/pipermail/python-dev/2016-April/144084.html

Le mercredi 13 avril 2016, Ryan Gonzalez <rymg19 at gmail.com> a écrit :

> What is the value of HAS_ARG going to be now?
>

I asked Demur to keep HAS_ARG(). Not really for backward compatibility, but
for the dis module: to keep a nice assembler. There are also debug traces
in ceval.c which use it.

For ceval.c, we might use HAS_ARG() to micro-optimize oparg=0 (hardcode 0
rather than reading the bytecode) for operators with no argument. Or maybe
it's completly useless :-)

Victor
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[Python-Dev] Wordcode: new regular bytecode using 16-bit units