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bpo-38328: Speed up the creation time of constant list literals. #16498

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brandtbucher wants to merge 7 commits into from
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bpo-38328: Speed up the creation time of constant list literals. #16498

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0909161
Create all constant lists in one or two ops.
brandtbucher Sep 30, 2019
d53e48d
Fix failing test.
brandtbucher Sep 30, 2019
c37dc4e
📜🤖 Added by blurb_it.
blurb-it[bot] Sep 30, 2019
091e9cd
Regenerate importlib.
brandtbucher Sep 30, 2019
6ac735e
SS code review.
brandtbucher Oct 5, 2019
c5ad049
islist -> is_tuple
brandtbucher Oct 5, 2019
d0f4746
Fix copy/paste error.
brandtbucher Oct 5, 2019
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SS code review.
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@brandtbucher
brandtbucher committed Oct 5, 2019
commit 6ac735e06dd5f6a5fb629730528325a70c461067
2 changes: 1 addition & 1 deletion Python/peephole.c
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Original file line number Diff line number Diff line change
Expand Up @@ -338,7 +338,7 @@ PyCode_Optimize(PyObject *code, PyObject* consts, PyObject *names,
h = fold_tuple_on_constants(codestr, codelen,
h, i+1-islist, consts, j);
if (h >= 0 && islist) {
h = copy_op_arg(codestr, i, BUILD_LIST_UNPACK, 1, i+1);
codestr[op_start] = PACKOPARG(BUILD_LIST_UNPACK, 1);
}
break;
}
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