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gh-125063: Emit slices as constants in the bytecode compiler (#125064)

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* Make slices marshallable

* Emit slices as constants

* Update Python/marshal.c

Co-authored-by: Peter Bierma <zintensitydev@gmail.com>

* Refactor codegen_slice into two functions so it
always has the same net effect

* Fix for free-threaded builds

* Simplify marshal loading of slices

* Only return SUCCESS/ERROR from codegen_slice

---------

Co-authored-by: Mark Shannon <mark@hotpy.org>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
This commit is contained in:
Michael Droettboom 2024-10-08 13:18:39 -04:00 • committed by GitHub
parent 7dca7322cc
commit c6127af868
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6 changed files with 122 additions and 23 deletions
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Objects/codeobject.c
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@ -2336,6 +2336,7 @@ _PyCode_ConstantKey(PyObject *op)
if (op == Py_None || op == Py_Ellipsis
|| PyLong_CheckExact(op)
|| PyUnicode_CheckExact(op)
|| PySlice_Check(op)
/* code_richcompare() uses _PyCode_ConstantKey() internally */
|| PyCode_Check(op))
{