> On 2017-05-24, at 20:07 , Ben Hoyt <benh...@gmail.com> wrote:
> 
> Hi folks,
> 
> I was looking at some `dis` output today, and I was wondering if anyone has 
> investigated optimizing Python (slightly) by adding special-case bytecodes 
> for common expressions or statements involving constants?

Python 3.6 added an opcode specifically for dicts with constant keys:
https://bugs.python.org/issue27140. Though I guess that's a slightly
different case as it's not a peephole-fused opcode.
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