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cpython
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pycore_opcode_metadata.h
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Commits on Aug 13, 2026
gh-155486: Allow non-compact integers in `TO_BOOL_INT` (GH-155531)
marinelay
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cd98657
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Commits on Jul 29, 2026
gh-151321: Fix incorrect opcode metadata flags for LOAD_DEREF opcode (GH-154778)
coroma01
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a528a24
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Commits on Jul 6, 2026
gh-150490: Raise PyType_Modified for insertion into split dictionary (take 2) (#152914)
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DinoV
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2092192
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gh-145855: Remove the DELETE_ATTR bytecode (GH-146216)
aisk
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8bee2a3
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Commits on Jul 3, 2026
gh-152066: Merge `_GUARD_DORV_VALUES_INST_ATTR_FROM_DICT` into `_CHECK_MANAGED_OBJECT_HAS_VALUES` (GH-152231)
Aniketsy
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87120d3
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Commits on Jun 30, 2026
gh-145857: Replace `DELETE_GLOBAL` with `PUSH_NULL; STORE_GLOBAL` (GH-146314)
brijkapadia
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a3dc784
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gh-145854: Replace `DELETE_NAME` with `PUSH_NULL; STORE_NAME` (GH-146006)
brijkapadia
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c393ab6
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Commits on Jun 26, 2026
gh-152238: Revert gh-150490 and gh-152200. (gh-152232)
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nascheme
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9626ef8
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Commits on Jun 18, 2026
GH-150516: Reduce the work done to spill and reload the stack around calls (GH-151587)
markshannon
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ad1513a
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Commits on Jun 11, 2026
gh-150490: Raise PyType_Modified for insertion into split dictionary (#150489)
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DinoV
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efb2fff
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Commits on May 5, 2026
GH-143732: SEND specialization (GH-148963)
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markshannon
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70bd1c2
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Commits on May 4, 2026
gh-143732: add specialization for `FOR_ITER` (GH-148745)
NekoAsakura
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9846407
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gh-137030: Fix YIELD_VALUE bytecode assertion (#149184)
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vstinner
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markshannon
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952784a
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gh-143732: allow dict subclasses to be specialized (GH-148128)
kumaraditya303
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5847931
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Commits on May 3, 2026
gh-149243: Check for recursion limits in `CALL_ALLOC_AND_ENTER_INIT` (#149310)
sobolevn
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726a17e
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Commits on May 2, 2026
gh-148380: remove all uses of `_PyType_LookupByVersion` in `optimizer_bytecodes.c` (GH-148394)
NekoAsakura
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2ca6333
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Commits on Apr 16, 2026
GH-145668: Add FOR_ITER specialization for virtual iterators. Specialize GET_ITER. (GH-147967)
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markshannon
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600f4db
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Commits on Apr 14, 2026
gh-146393: Use recorded type instead of instance in BINARY_OP (#148569)
eendebakpt
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5c3deca
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gh-146393: Optimize float division operations by mutating uniquely-referenced operands in place (JIT only) (GH-146397)
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eendebakpt
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claude
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95cbd4a
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gh-131798: constant fold special method lookups in JIT (#148432)
kumaraditya303
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3cb7eae
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gh-gh-131798: optimize `LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN` in the JIT (#148555)
kumaraditya303
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1aa7e7e
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gh-148510: restore `func_version` check in `_LOAD_ATTR_PROPERTY_FRAME` (GH-148528)
NekoAsakura
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52a7f1b
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Commits on Apr 13, 2026
gh-131798: optimize through keyword and bound method calls in the JIT (GH-148466)
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kumaraditya303
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Fidget-Spinner
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88e378c
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Commits on Apr 12, 2026
gh-131798: Split `_CHECK_AND_ALLOCATE_OBJECT` into smaller uops (GH-148433)
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3 people
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18d7d90
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Commits on Apr 11, 2026
gh-148276: Optimize object creation and method calls in the JIT by resolving __init__ at trace optimization time (GH-148277)
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1c89817
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gh-148171: Convert `CALL_BUILTIN_CLASS` to leave arguments on the stack (gh-148381)
corona10
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a71b043
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gh-148171: Convert variadic argument opcodes to leave their arguments on the stack (`CALL_BUILTIN_FAST_WITH_KEYWORDS`) (#148366)
Sacul0457
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e872c19
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gh-148171: convert more variadic uops to leave input on stack in JIT (#148361)
kumaraditya303
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2b439da
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Commits on Apr 10, 2026
gh-131798: split `_CALL_BUILTIN_CLASS` to smaller uops (#148094)
kumaraditya303
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8f17140
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gh-148171: Convert CALL_BUILTIN_FAST to leave inputs on the stack for refcount elimination in JIT (GH-148172)
Fidget-Spinner
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266247c
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Commits on Apr 9, 2026
gh-134584 : Optimize and eliminate redundant ref-counting for `MAKE_FUNCTION` in the JIT (GH-144963)
Sacul0457
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38d3aef
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gh-131798: fold super method lookups in JIT (#148231)
kumaraditya303
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458aca9
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Commits on Apr 8, 2026
gh-145866: Convert `_CALL_METHOD_DESCRIPTOR_NOARGS` to leave its inputs on the stack to be cleaned up by _POP_TOP (GH-148227)
Sacul0457
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bb03c8b
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Commits on Apr 4, 2026
gh-131798: split recursion check to _CHECK_RECURSION_LIMIT and combine checks (GH-148070)
kumaraditya303
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e7bf8ea
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Commits on Mar 27, 2026
gh-145866: Convert `LIST_EXTEND` to leave its inputs on the stack to be cleaned up by `_POP_TOP` be cleaned up by `_POP_TOP` (GH-146383)
NekoAsakura
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a492d9f
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