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GH-123299: Copyedit 3.14 What's New: CPython bytecode changes #139402

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Merged
AA-Turner merged 7 commits into from
Sep 29, 2025
Merged

GH-123299: Copyedit 3.14 What's New: CPython bytecode changes #139402

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8ca837c
Copyedit 3.14 What's New: CPython bytecode changes
AA-Turner Sep 28, 2025
7a1cc7f
Delete LOAD_CONST_IMMORTAL (it exists in 3.14 but not 15)
AA-Turner Sep 28, 2025
ab8a8b3
fixup! Delete LOAD_CONST_IMMORTAL (it exists in 3.14 but not 15)
AA-Turner Sep 28, 2025
4bc6225
wordsmithing
AA-Turner Sep 28, 2025
85b20d3
fix refwarn errors
AA-Turner Sep 28, 2025
a53114a
Apply suggestions from code review
AA-Turner Sep 28, 2025
46716e9
Update Doc/whatsnew/3.14.rst
AA-Turner Sep 29, 2025
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AA-Turner committed Sep 28, 2025
commit 4bc622599489479dd489e1af97fb868b87a38696
4 changes: 2 additions & 2 deletions Doc/whatsnew/3.14.rst
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Expand Up @@ -2800,8 +2800,8 @@
CPython bytecode changes
========================

* Replaced the opcode :opcode:`!BINARY_SUBSCR` by :opcode:`BINARY_OP`
with oparg ``NB_SUBSCR``.
* Replaced the opcode :opcode:`!BINARY_SUBSCR` by the :opcode:`BINARY_OP`
opcode with the ``NB_SUBSCR`` oparg.
(Contributed by Irit Katriel in :gh:`100239`.)

* Add the :opcode:`BUILD_INTERPOLATION` & :opcode:`BUILD_TEMPLATE`
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Expand Down Expand Up @@ -2845,7 +2845,7 @@
:ref:`deferred evaluation of annotations <whatsnew314-pep649>`.
(Contributed by Jelle Zijlstra in :gh:`130907`.)

* Add the :opcode:`BINARY_OP_EXTEND` pseudo instruction,

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'opcode' reference target not found: BINARY_OP_EXTEND [ref.opcode]
which executes a pair of functions (guard and specialization functions)
accessed from the inline cache.
(Contributed by Irit Katriel in :gh:`100239`.)
Expand All @@ -2861,7 +2861,7 @@
Replaced by the sequence ``COPY 1``, ``TO_BOOL``, ``POP_JUMP_IF_TRUE/FALSE``.
(Contributed by Irit Katriel in :gh:`124285`.)

* Add the :opcode:`LOAD_CONST_MORTAL` pseudo instruction.

Check warning on line 2864 in Doc/whatsnew/3.14.rst

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'opcode' reference target not found: LOAD_CONST_MORTAL [ref.opcode]
(Contributed by Mark Shannon in :gh:`128685`.)

* Add the :opcode:`!LOAD_CONST_IMMORTAL` pseudo instruction,
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