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9727 commits

Author SHA1 Message Date
Mark Shannon
72f56654d0
GH-128682: Account for escapes in DECREF_INPUTS (GH-129953) 
* Handle escapes in DECREF_INPUTS

* Mark a few more functions as escaping

* Replace DECREF_INPUTS with PyStackRef_CLOSE where possible
 2025-02-12 17:44:59 +00:00
Andrew Svetlov
469d2e416c
gh-129889: Support context manager protocol by contextvars.Token (#129888) 2025-02-12 12:32:58 +01:00
Stefano Rivera
e1b38ea82e
Update manpage environment variables and command line arguments (#129623) 
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
 2025-02-12 13:00:35 +02:00
Michael Droettboom
00ec781877
gh-129244: Only remove the workaround when MSVC has the bugfix (#130011) 2025-02-11 14:49:42 -05:00
Ken Jin
5cdd6e5e75
gh-130004: Disable PGO for ceval.c on MSVC for default build (GH-130009) 
Disable PGO for ceval.c on MSVC on default build
 2025-02-12 01:13:05 +08:00
Ken Jin
247b50dec8
gh-130004: Revert commit 9e52e55 (GH-130005) 
Revert commit 9e52e55
 2025-02-11 23:23:58 +08:00
Yan Yanchii
91d9544112
gh-126835: Make CFG optimizer skip over NOP's when looking for const sequence construction (#129703) 
Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
 2025-02-09 18:00:41 +00:00
Bénédikt Tran
a56ead089c
gh-129173: Use _PyUnicodeError_GetParams in PyCodec_NameReplaceErrors (GH-129135) 2025-02-08 16:01:57 +01:00
Irit Katriel
a1417b211f
gh-100239: replace BINARY_SUBSCR & family by BINARY_OP with oparg NB_SUBSCR (#129700) 2025-02-07 22:39:54 +00:00
Brandt Bucher
5fa7e1b7fd
GH-129715: Remove _DYNAMIC_EXIT (GH-129716) 2025-02-07 11:41:17 -08:00
Brandt Bucher
70e387c990
GH-129709: Clean up tier two (GH-129710) 2025-02-07 09:52:49 -08:00
Brandt Bucher
fbaa6c8ff0
GH-129763: Remove the LLTRACE macro (GH-129764) 2025-02-07 08:49:51 -08:00
Ken Jin
175844713a
gh-128563: Move assignment of opcode into ifdef (GH-129803) 2025-02-07 21:11:57 +08:00
sobolevn
ae132edc29
gh-129766: Fix crash on calling warnings._release_lock with no lock (#129771) 2025-02-07 12:59:52 +03:00
Donghee Na
b184abf074
gh-129533: Update PyGC_Enable/Disable/IsEnabled to use atomic operation (gh-129563) 2025-02-07 07:41:13 +09:00
Kumar Aditya
0d68b14a0d
gh-128002: use per threads tasks linked list in asyncio (#128869) 
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
 2025-02-06 19:51:07 +01:00
Peter Hawkins
b4ff8b22b3
gh-129732: Fix race on shared->array in qsbr code under free-threading (gh-129738) 
The read of `shared->array` should happen under the lock to avoid a race.
 2025-02-06 18:49:29 +00:00
Ken Jin
cb640b659e
gh-128563: A new tail-calling interpreter (GH-128718) 
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>
 2025-02-06 23:21:57 +08:00
Neil Schemenauer
cdcacec79f
gh-129201: Use prefetch in GC mark alive phase. (gh-129203) 
For the free-threaded version of the cyclic GC, restructure the "mark alive" phase to use software prefetch instructions.  This gives a speedup in most cases when the number of objects is large enough.  The prefetching is enabled conditionally based on the number of long-lived objects the GC finds.
 2025-02-05 11:38:30 -08:00
Victor Stinner
a25042e6d2
gh-129354: Use PyErr_FormatUnraisable() function (#129523) 
Replace PyErr_WriteUnraisable() with PyErr_FormatUnraisable().

Update tests:

* test_coroutines
* test_exceptions
* test_generators
* test_struct
 2025-02-05 10:31:59 +00:00
Victor Stinner
dc804ffb2f
gh-128911: Use PyImport_ImportModuleAttr() function (#129657) 
* Replace PyImport_ImportModule() + PyObject_GetAttr() with
  PyImport_ImportModuleAttr().
* Replace PyImport_ImportModule() + PyObject_GetAttrString() with
  PyImport_ImportModuleAttrString().
 2025-02-05 11:03:58 +01:00
Mark Shannon
96ff4c2486
GH-128682: Mark two more macros as escaping. (GH-129645) 
Expand out SETLOCAL so that code generator can see the decref. Mark Py_CLEAR as escaping
 2025-02-04 14:00:51 +00:00
Mark Shannon
2effea4dab
GH-128682: Spill the stack pointer in labels, as well as instructions (GH-129618) 2025-02-04 12:18:31 +00:00
Yan Yanchii
d3c54f3788
gh-126835: Fix reference leak in Python/flowgrapc.::optimize_if_const_subscr (#129634) 2025-02-04 10:38:06 +00:00
Yan Yanchii
0664c1af9b
gh-126835: Move constant subscript folding to CFG (#129568) 
Move folding of constant subscription from AST optimizer to CFG.

Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
 2025-02-04 10:10:55 +02:00
Mark Shannon
75b628adeb
GH-128563: Generate opcode = ... in instructions that need opcode (GH-129608) 
* Remove support for GO_TO_INSTRUCTION
 2025-02-03 15:09:21 +00:00
Mark Shannon
808071b994
GH-128682: Make PyStackRef_CLOSE escaping. (GH-129404) 2025-02-03 12:41:32 +00:00
Diego Russo
a29a9c0f38
GH-129231: Group executable JIT code in memory (GH-129232) 2025-02-02 15:19:55 -08:00
Diego Russo
567394517a
GH-128842: Collect JIT memory stats (GH-128941) 2025-02-02 15:17:53 -08:00
Yan Yanchii
e6c76b947b
GH-128872: Remove unused argument from _PyCode_Quicken (GH-128873) 
Co-authored-by: Kirill Podoprigora <kirill.bast9@mail.ru>
 2025-02-02 15:09:30 -08:00
Kirill Podoprigora
7d0521d5fc
gh-126835: Move optimization of constant sequence creation from codegen to CFG (#129426) 
Codegen phase has an optimization that transforms
```
LOAD_CONST x
LOAD_CONST y
LOAD_CONXT z
BUILD_LIST/BUILD_SET (3)
```
->
```
BUILD_LIST/BUILD_SET (0)
LOAD_CONST (x, y, z)
LIST_EXTEND/SET_UPDATE 1
```
This optimization has now been moved to CFG phase to make #128802 work.


Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
Co-authored-by: Yan Yanchii <yyanchiy@gmail.com>
 2025-02-01 11:39:44 +00:00
Mark Shannon
54f74b80ae
GH-128563: Move some labels, to simplify implementing tailcalling interpreter. (GH-129525) 2025-01-31 17:13:20 +00:00
Peter Bierma
9ba281d871
gh-128509: Add sys._is_immortal for identifying immortal objects (#128510) 
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
 2025-01-31 15:27:08 +00:00
Valery Fedorenko
fad36bf382
gh-126108: Fix potential null pointer dereference in PySys_AddWarnOptionUnicode (#126118) 2025-01-31 20:06:30 +05:30
Victor Stinner
3447f4a56a
gh-129354: Use PyErr_FormatUnraisable() function (#129514) 
Replace PyErr_WriteUnraisable() with PyErr_FormatUnraisable().
 2025-01-31 14:20:35 +01:00
Mark Shannon
c3ae5c9e4a
GH-128563: Simplify recursion check in _PyEval_EvalFrameDefault (GH-129481) 
Simplify recursion check in _PyEval_EvalFrameDefault
 2025-01-31 12:12:24 +00:00
Victor Stinner
95504f429e
gh-129354: Fix grammar in PyErr_FormatUnraisable() (#129475) 
Replace "on verb+ing" with "while verb+ing".
 2025-01-31 09:45:35 +01:00
Victor Stinner
4e47e05045
gh-129354: Use PyErr_FormatUnraisable() function (#129435) 
Replace PyErr_WriteUnraisable() with PyErr_FormatUnraisable().
 2025-01-30 16:09:38 +01:00
Victor Stinner
3bebe46d34
gh-128911: Add PyImport_ImportModuleAttr() function (#128912) 
Add PyImport_ImportModuleAttr() and
PyImport_ImportModuleAttrString() functions.

* Add unit tests.
* Replace _PyImport_GetModuleAttr()
  with PyImport_ImportModuleAttr().
* Replace _PyImport_GetModuleAttrString()
  with PyImport_ImportModuleAttrString().
* Remove "pycore_import.h" includes, no longer needed.
 2025-01-30 11:17:29 +00:00
Sam Gross
5ff2fbc026
gh-129236: Use stackpointer in free threaded GC (#129240) 
The stack pointers in interpreter frames are nearly always valid now, so
use them when visiting each thread's frame. For now, don't collect
objects with deferred references in the rare case that we see a frame
with a NULL stack pointer.
 2025-01-29 10:40:51 -05:00
Irit Katriel
4815131910
gh-100239: specialize bitwise logical binary ops on ints (#128927) 2025-01-29 09:28:21 +00:00
Brandt Bucher
828b27680f
GH-126599: Remove the PyOptimizer API (GH-129194) 2025-01-28 16:10:51 -08:00
T. Wouters
5c930a26fb
gh-115999: Enable free-threaded specialization of LOAD_CONST (#129365) 
Enable free-threaded specialization of LOAD_CONST.
 2025-01-29 01:07:56 +01:00
Mark Shannon
75b4962157
GH-128914: Remove all but one conditional stack effects (GH-129226) 
* 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
 2025-01-27 16:24:48 +00:00
Bénédikt Tran
ced296d2c0
gh-111178: fix UBSan failures in Python/traceback.c (GH-128259) 2025-01-27 15:07:39 +01:00
Ken Jin
87fb8b198c
gh-128563: Move labels in ceval.c to bytecodes.c (GH-129112) 2025-01-27 18:30:20 +08:00
Irit Katriel
c39ae8922b
gh-128799: Add frame of except* to traceback when wrapping a naked exception (#128971) 2025-01-25 13:00:23 +00:00
Michael Droettboom
9e52e553f4
gh-129244: Remove workaround for MSVC compiler crash (#129263) 
* Remove compiler workaround

* Remote _Py_USING_PGO
 2025-01-25 07:56:13 -05:00
Chris Eibl
8fecb9fa0b
Remove unused DPRINTF in ceval.c (GH-129282) 
remove unused DPRINTF in ceval.c
 2025-01-25 18:33:26 +08:00
Victor Stinner
fc6bc1e4e3
gh-129185: Simplify PyTraceMalloc_Track() (#129256) 
Since tracemalloc uses PyMutex, it becomes safe to use TABLES_LOCK()
even after _PyTraceMalloc_Fini(): remove the "pre-check" in
PyTraceMalloc_Track() and PyTraceMalloc_Untrack().

PyTraceMalloc_Untrack() no longer needs to acquire the GIL.

_PyTraceMalloc_Fini() can be called earlier during Python
finalization.
 2025-01-24 14:29:36 +01:00