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[3.13] gh-122838: Document missing opcodes (GH-123073) #126492

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[3.13] gh-122838: Document missing opcodes (GH-123073) #126492

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21 changes: 21 additions & 0 deletions Doc/library/dis.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -1383,6 +1383,13 @@ iterations of the loop.
This opcode is now only used in situations where the local variable is
guaranteed to be initialized. It cannot raise :exc:`UnboundLocalError`.

.. opcode:: LOAD_FAST_LOAD_FAST (var_nums)

Pushes references to ``co_varnames[var_nums >> 4]`` and
``co_varnames[var_nums & 15]`` onto the stack.

.. versionadded:: 3.13

.. opcode:: LOAD_FAST_CHECK (var_num)

Pushes a reference to the local ``co_varnames[var_num]`` onto the stack,
Expand All @@ -1403,6 +1410,20 @@ iterations of the loop.

Stores ``STACK.pop()`` into the local ``co_varnames[var_num]``.

.. opcode:: STORE_FAST_STORE_FAST (var_nums)

Stores ``STACK[-1]`` into ``co_varnames[var_nums >> 4]``
and ``STACK[-2]`` into ``co_varnames[var_nums & 15]``.

.. versionadded:: 3.13

.. opcode:: STORE_FAST_LOAD_FAST (var_nums)

Stores ``STACK.pop()`` into the local ``co_varnames[var_nums >> 4]``
and pushes a reference to the local ``co_varnames[var_nums & 15]``
onto the stack.

.. versionadded:: 3.13

.. opcode:: DELETE_FAST (var_num)

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