Terry J. Reedy <tjre...@udel.edu> added the comment:

I could understand wanting to replace TOP,...,FOURTH with PEEK(n) and the 
SET_XYZs with the now deleted SET(_VALUE)(n, v), but to me, replacing PEEK-SET 
with POPs and PUSHes (in different orders) that directly mean something 
different but that compilers (all?) optimize to mean the same thing makes the 
code initially harder to read.  In particular, the old version of 
TARGET(ROT_FOUR) is initially clearer without thinking through the effect of 
the particular order of pushes in the new version.  It depends on what one is 
accustomed to.

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nosy: +terry.reedy

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue40925>
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