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* GH-131729: Code-gen better liveness analysis (GH-131732)Mark Shannon2025-03-261-14/+25
| | | | | | | | | | | | * Rename 'defined' attribute to 'in_local' to more accurately reflect how it is used * Make death of variables explicit even for array variables. * Convert in_memory from boolean to stack offset * Don't apply liveness analysis to optimizer generated code * Fix RETURN_VALUE in optimizer
* gh-130312: SET_ADD should not lock (#130136)Dino Viehland2025-03-211-7/+13
| | | SET_ADD should not lock
* GH-130415: Optimize constant comparison in JIT builds (GH-131489)Savannah Ostrowski2025-03-211-0/+6
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* GH-131498: Remove conditional stack effects (GH-131499)Mark Shannon2025-03-201-3/+4
| | | * Adds some missing #includes
* GH-131238: More refactoring of core header files (GH-131351)Mark Shannon2025-03-171-0/+1
| | | | Adds new pycore_stats.h header file to help break dependencies involving the pycore_code.h header.
* gh-131281: fix compile error due to `BINARY_SUBSCR` (GH-131283)Xuanteng Huang2025-03-151-1/+1
| | | | | * fix compile error due to `BINARY_SUBSCR` * replace stat_inc with `BINARY_OP`
* gh-115999: Add free-threaded specialization for FOR_ITER (#128798)T. Wouters2025-03-121-10/+103
| | | | Add free-threaded versions of existing specialization for FOR_ITER (list, tuples, fast range iterators and generators), without significantly affecting their thread-safety. (Iterating over shared lists/tuples/ranges should be fine like before. Reusing iterators between threads is not fine, like before. Sharing generators between threads is a recipe for significant crashes, like before.)
* GH-127705: Use `_PyStackRef`s in the default build. (GH-127875)Mark Shannon2025-03-101-30/+40
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* GH-128534: Fix behavior of branch monitoring for `async for` (GH-130847)Mark Shannon2025-03-071-3/+6
| | | * Both branches in a pair now have a common source and are included in co_branches
* gh-130920: Fix data race in STORE_SUBSCR_LIST_INT (#130923)Sam Gross2025-03-061-1/+2
| | | | | | The write of the item to the list needs to use an atomic operation in the free threading build. Co-authored-by: Tomasz Pytel <tompytel@gmail.com>
* GH-130296: Avoid stack transients in four instructions. (GH-130310)Mark Shannon2025-02-281-95/+33
| | | | | | | | | * Combine _GUARD_GLOBALS_VERSION_PUSH_KEYS and _LOAD_GLOBAL_MODULE_FROM_KEYS into _LOAD_GLOBAL_MODULE * Combine _GUARD_BUILTINS_VERSION_PUSH_KEYS and _LOAD_GLOBAL_BUILTINS_FROM_KEYS into _LOAD_GLOBAL_BUILTINS * Combine _CHECK_ATTR_MODULE_PUSH_KEYS and _LOAD_ATTR_MODULE_FROM_KEYS into _LOAD_ATTR_MODULE * Remove stack transient in LOAD_ATTR_WITH_HINT
* gh-130595: Fix leak in WITH_EXCEPT_START error case (GH-130626)Petr Viktorin2025-02-281-1/+1
| | | Co-authored-by: Ken Jin <kenjin@python.org>
* GH-128534: Instrument branches for `async for` loops. (GH-130569)Mark Shannon2025-02-271-1/+11
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* gh-130595: Keep traceback alive for WITH_EXCEPT_START (#130562)Dino Viehland2025-02-261-4/+2
| | | Keep traceback alive for WITH_EXCEPT_START
* gh-122029: Move monitoring after method expand for CALL_KW (GH-130488)Tian Gao2025-02-251-1/+1
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* GH-130396: Use computed stack limits on linux (GH-130398)Mark Shannon2025-02-251-8/+3
| | | | | | | | | | | * Implement C recursion protection with limit pointers for Linux, MacOS and Windows * Remove calls to PyOS_CheckStack * Add stack protection to parser * Make tests more robust to low stacks * Improve error messages for stack overflow
* GH-91079: Revert "GH-91079: Implement C stack limits using addresses, not ↵Petr Viktorin2025-02-241-3/+8
| | | | | | | | | counters. (GH-130007)" for now (GH130413) Revert "GH-91079: Implement C stack limits using addresses, not counters. (GH-130007)" for now Unfortunatlely, the change broke some buildbots. This reverts commit 2498c22fa0a2b560491bc503fa676585c1a603d0.
* GH-91079: Implement C stack limits using addresses, not counters. (GH-130007)Mark Shannon2025-02-191-8/+3
| | | | | | | | | | | | * Implement C recursion protection with limit pointers * Remove calls to PyOS_CheckStack * Add stack protection to parser * Make tests more robust to low stacks * Improve error messages for stack overflow
* gh-129989: Change Py_TAIL_CALL_INTERP ifndef to ! (#130269)Ken Jin2025-02-181-1/+1
| | | Change Py_TAIL_CALL_INTERP ifndef to !
* gh-129989: Properly disable tailcall interp in configure (GH-129991)Ken Jin2025-02-151-2/+2
| | | Co-authored-by: Zanie Blue <contact@zanie.dev>
* GH-128682: Account for escapes in `DECREF_INPUTS` (GH-129953)Mark Shannon2025-02-121-55/+56
| | | | | | | | * Handle escapes in DECREF_INPUTS * Mark a few more functions as escaping * Replace DECREF_INPUTS with PyStackRef_CLOSE where possible
* gh-100239: replace BINARY_SUBSCR & family by BINARY_OP with oparg NB_SUBSCR ↵Irit Katriel2025-02-071-50/+22
| | | | (#129700)
* GH-129715: Remove _DYNAMIC_EXIT (GH-129716)Brandt Bucher2025-02-071-36/+0
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* GH-129709: Clean up tier two (GH-129710)Brandt Bucher2025-02-071-24/+16
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* GH-129763: Remove the LLTRACE macro (GH-129764)Brandt Bucher2025-02-071-10/+2
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* gh-128563: A new tail-calling interpreter (GH-128718)Ken Jin2025-02-061-1/+8
| | | | | Co-authored-by: Garrett Gu <garrettgu777@gmail.com> Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
* GH-128682: Mark two more macros as escaping. (GH-129645)Mark Shannon2025-02-041-7/+18
| | | Expand out SETLOCAL so that code generator can see the decref. Mark Py_CLEAR as escaping
* GH-128682: Spill the stack pointer in labels, as well as instructions ↵Mark Shannon2025-02-041-21/+24
| | | | (GH-129618)
* GH-128563: Generate `opcode = ...` in instructions that need `opcode` ↵Mark Shannon2025-02-031-20/+32
| | | | | (GH-129608) * Remove support for GO_TO_INSTRUCTION
* GH-128682: Make `PyStackRef_CLOSE` escaping. (GH-129404)Mark Shannon2025-02-031-42/+37
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* GH-128563: Move some labels, to simplify implementing tailcalling ↵Mark Shannon2025-01-311-4/+29
| | | | interpreter. (GH-129525)
* gh-100239: specialize bitwise logical binary ops on ints (#128927)Irit Katriel2025-01-291-1/+1
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* GH-126599: Remove the PyOptimizer API (GH-129194)Brandt Bucher2025-01-291-9/+35
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* gh-115999: Enable free-threaded specialization of LOAD_CONST (#129365)T. Wouters2025-01-291-2/+12
| | | | Enable free-threaded specialization of LOAD_CONST.
* GH-128914: Remove all but one conditional stack effects (GH-129226)Mark Shannon2025-01-271-62/+51
| | | | | | | | | | | | | * Remove all 'if (0)' and 'if (1)' conditional stack effects * Use array instead of conditional for BUILD_SLICE args * Refactor LOAD_GLOBAL to use a common conditional uop * Remove conditional stack effects from LOAD_ATTR specializations * Replace conditional stack effects in LOAD_ATTR with a 0 or 1 sized array. * Remove conditional stack effects from CALL_FUNCTION_EX
* gh-128563: Move labels in ceval.c to bytecodes.c (GH-129112)Ken Jin2025-01-271-1/+120
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* gh-128799: Add frame of except* to traceback when wrapping a naked exception ↵Irit Katriel2025-01-251-1/+1
| | | | (#128971)
* Revert "GH-128914: Remove conditional stack effects from `bytecodes.c` and ↵Sam Gross2025-01-231-123/+94
| | | | | | | the code generators (GH-128918)" (GH-129202) The commit introduced a ~2.5-3% regression in the free threading build. This reverts commit ab61d3f4303d14a413bc9ae6557c730ffdf7579e.
* GH-128682: Change a couple of functions to only steal references on success. ↵Mark Shannon2025-01-221-4/+8
| | | | | (GH-129132) Change PyTuple_FromStackRefSteal and PyList_FromStackRefSteal to only steal on success to avoid escaping
* gh-128563: Move lltrace into the frame struct (GH-129113)Ken Jin2025-01-211-2/+2
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* GH-128563: Add new frame owner type for interpreter entry frames (GH-129078)Mark Shannon2025-01-211-8/+4
| | | Add new frame owner type for interpreter entry frames
* GH-127953: Make line number lookup O(1) regardless of the size of the code ↵Mark Shannon2025-01-211-1/+2
| | | | object (GH-128350)
* GH-128914: Remove conditional stack effects from `bytecodes.c` and the code ↵Mark Shannon2025-01-201-94/+123
| | | | generators (GH-128918)
* GH-126599: Remove the "counter" optimizer/executor (GH-126853)Xuanteng Huang2025-01-161-7/+0
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* gh-100239: specialize long tail of binary operations (#128722)Irit Katriel2025-01-161-9/+36
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* gh-115999: Specialize `LOAD_ATTR` for instance and class receivers in ↵mpage2025-01-141-27/+58
| | | | | | | free-threaded builds (#128164) Finish specialization for LOAD_ATTR in the free-threaded build by adding support for class and instance receivers.
* GH-128682: Convert explicit loops closing arrays into `DECREF_INPUTS`. ↵Mark Shannon2025-01-141-93/+46
| | | | | | | (GH-128822) * Mark Py_DECREF and Py_XDECREF as escaping * Remove explicit loops for clearing array inputs
* GH-128682: Stronger checking of `PyStackRef_CLOSE` and `DEAD`. (GH-128683)Mark Shannon2025-01-131-36/+38
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* GH-128685: Specialize (rather than quicken) LOAD_CONST into ↵Mark Shannon2025-01-131-2/+16
| | | | LOAD_CONST_[IM]MORTAL (GH-128708)
* GH-127809: Fix the JIT's understanding of ** (GH-127844)Brandt Bucher2025-01-081-0/+16
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