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* [3.11] GH-94739: Backport GH-94958 to 3.11 (#94965)Mark Shannon2022-07-251-14/+0
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* [3.11] GH-95113: Don't use EXTENDED_ARG_QUICK in unquickened code (GH-95121) ↵Brandt Bucher2022-07-221-0/+8
| | | | | (GH-95143) (cherry picked from commit e402b26b7fb953a2f0c17a0044bb6d6cbd726e54)
* [3.11] GH-93252: Fix error handling for failed Python calls (GH-94693) ↵Kumar Aditya2022-07-091-1/+5
| | | | | (GH-94708) Automerge-Triggered-By: GH:tiran
* [3.11] gh-94215: Fix error handling for line-tracing events (GH-94681) ↵Christian Heimes2022-07-081-5/+14
| | | | | | | | | | (GH-94688) * Re-enable crasher * Fix error handling for line-tracing events * blurb add (cherry picked from commit 23ee4a8067506e6c9c47748185653617413f7a60) Co-authored-by: Brandt Bucher <brandtbucher@microsoft.com>
* [3.11] gh-94510: Raise on re-entrant calls to sys.setprofile and ↵Łukasz Langa2022-07-051-2/+24
| | | | | | | | sys.settrace (GH-94511) (GH-94578) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com> Co-authored-by: Łukasz Langa <lukasz@langa.pl> (cherry picked from commit 40d81fd63b46cf998880ce3bf3e5cb42bc3199c1)
* [3.11] GH-93354: Use exponential backoff to avoid excessive specialization ↵Mark Shannon2022-06-301-21/+25
| | | | | | attempts (GH-93355) (GH-93379) Co-authored-by: Mark Shannon <mark@hotpy.org> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* gh-91719: Reload opcode on unknown error so that C can optimize the ↵Miss Islington (bot)2022-06-301-0/+3
| | | | | | | dispatching in ceval.c (GH-94364) (#94453) (cherry picked from commit ea39b77de9fa25b447d0b4148f75f351076e890a) Co-authored-by: neonene <53406459+neonene@users.noreply.github.com>
* [3.11] GH-93516: Drop broken assert, fixes GH-93769 (GH-94411)Christian Heimes2022-06-291-4/+0
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* [3.11] GH-93516: Backport GH-93769 (GH-94231)Mark Shannon2022-06-281-52/+41
| | | * Store offset of first traceable instruction to avoid having to recompute it all the time when tracing.
* [3.11] GH-93516: Backport GH-93769: Speedup line number checks when tracing ↵Mark Shannon2022-06-221-7/+9
| | | | | (GH-94127) Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* gh-93937, C API: Move PyFrame_GetBack() to Python.h (#93938) (#94000)Victor Stinner2022-06-201-1/+0
| | | | | | | | | | | | | | | | | | Move the follow functions and type from frameobject.h to pyframe.h, so the standard <Python.h> provide frame getter functions: * PyFrame_Check() * PyFrame_GetBack() * PyFrame_GetBuiltins() * PyFrame_GetGenerator() * PyFrame_GetGlobals() * PyFrame_GetLasti() * PyFrame_GetLocals() * PyFrame_Type Remove #include "frameobject.h" from many C files. It's no longer needed. (cherry picked from commit 27b989403356ccdd47545a93aeab8434e9c69f21)
* [3.11] bpo-40514: Drop EXPERIMENTAL_ISOLATED_SUBINTERPRETERS (gh-93185) ↵Eric Snow2022-05-281-55/+0
| | | | | | | | | | | | | (GH-93306) (cherry picked from commit caa279d6fd5f151e57f891cd4f6ba51b532501c6) This was added for bpo-40514 (gh-84694) to test out a per-interpreter GIL. However, it has since proven unnecessary to keep the experiment in the repo. (It can be done as a branch in a fork like normal.) So here we are removing: * the configure option * the macro * the code enabled by the macro Automerge-Triggered-By: GH:ericsnowcurrently
* gh-91924: Fix __lltrace__ for non-UTF-8 stdout encoding (GH-93199)Miss Islington (bot)2022-05-251-1/+3
| | | | | | | | | | | Fix __lltrace__ debug feature if the stdout encoding is not UTF-8. If the stdout encoding is not UTF-8, the first call to lltrace_resume_frame() indirectly sets lltrace to 0 when calling unicode_check_encoding_errors() which calls encodings.search_function(). (cherry picked from commit 5695c0e0a25da58dfc1d22fc1cd68c2fda0a320d) Co-authored-by: Victor Stinner <vstinner@python.org>
* GH-92236: Remove spurious "line" event when starting coroutine or generator. ↵Miss Islington (bot)2022-05-131-0/+6
| | | | | | (GH-92722) (GH-92772) (cherry picked from commit 22a1db378c5c381272362c5b2f68ac78a368e136)
* Update outdated `LOAD_METHOD` comments in `Python/ceval.c` (GH-92641)Miss Islington (bot)2022-05-121-2/+2
| | | | | (cherry picked from commit bdf99691972c4e452a86eb3ca7ff7ae748d881a6) Co-authored-by: Crowthebird <78076854+thatbirdguythatuknownot@users.noreply.github.com>
* GH-92239: Make sure that PEP 523 is supported, even when specializing first. ↵Mark Shannon2022-05-041-0/+2
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* Use static inline function Py_EnterRecursiveCall() (#91988)Victor Stinner2022-05-041-15/+15
| | | | | | | | | | | | | | | | Currently, calling Py_EnterRecursiveCall() and Py_LeaveRecursiveCall() may use a function call or a static inline function call, depending if the internal pycore_ceval.h header file is included or not. Use a different name for the static inline function to ensure that the static inline function is always used in Python internals for best performance. Similar approach than PyThreadState_GET() (function call) and _PyThreadState_GET() (static inline function). * Rename _Py_EnterRecursiveCall() to _Py_EnterRecursiveCallTstate() * Rename _Py_LeaveRecursiveCall() to _Py_LeaveRecursiveCallTstate() * pycore_ceval.h: Rename Py_EnterRecursiveCall() to _Py_EnterRecursiveCall() and Py_LeaveRecursiveCall() and _Py_LeaveRecursiveCall()
* gh-92063: Enforce types in specialized PRECALL opcodes (GH-92068)Dennis Sweeney2022-04-301-16/+27
| | | | | | | | | * Check the types of PRECALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS * fix PRECALL_NO_KW_METHOD_DESCRIPTOR_NOARGS as well * fix PRECALL_NO_KW_METHOD_DESCRIPTOR_O * fix PRECALL_NO_KW_METHOD_DESCRIPTOR_FAST
* gh-91869: Fix tracing of specialized instructions with extended args (GH-91945)Dennis Sweeney2022-04-281-0/+9
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* gh-91719: Add pycore_opcode.h internal header file (#91906)Victor Stinner2022-04-251-0/+1
| | | | | | | | | | | Move the following API from Include/opcode.h (public C API) to a new Include/internal/pycore_opcode.h header file (internal C API): * EXTRA_CASES * _PyOpcode_Caches * _PyOpcode_Deopt * _PyOpcode_Jump * _PyOpcode_OpName * _PyOpcode_RelativeJump
* gh-89279: In ceval.c, redefine some macros for speed (#32387)Guido van Rossum2022-04-221-13/+60
| | | | | | | | | | | Macros Py_DECREF, Py_XDECREF, Py_IS_TYPE, _Py_atomic_load_32bit_impl and _Py_DECREF_SPECIALIZED are redefined as macros that completely replace the inline functions of the same name. These three came out in the top four of functions that (in MSVC) somehow weren't inlined. Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Dennis Sweeney <36520290+sweeneyde@users.noreply.github.com>
* GH-91719: Make MSVC generate somewhat faster switch code (#91718)Guido van Rossum2022-04-211-2/+4
| | | | | | | | | | | Apparently a switch on an 8-bit quantity where all cases are present generates a more efficient jump (doing only one indexed memory load instead of two). So we make opcode and use_tracing uint8_t, and generate a macro full of extra `case NNN:` lines for all unused opcodes. See https://github.com/faster-cpython/ideas/issues/321#issuecomment-1103263673
* Cast to (destructor) to fix compiler warnings (GH-91711)Dennis Sweeney2022-04-201-11/+11
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* gh-90667: Add specializations of Py_DECREF when types are known (GH-30872)Dennis Sweeney2022-04-191-40/+44
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* gh-91625: Don't ignore extended args of adaptive opcodes (GH-91626)Dennis Sweeney2022-04-171-16/+21
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* gh-78607: Replace __ltrace__ with __lltrace__ (GH-91619)Dennis Sweeney2022-04-161-1/+1
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* gh-91462: Make lltrace output human-readable. (GH-91463)Dennis Sweeney2022-04-161-35/+83
| | | | | | * Transform opcodes into opnames * Print the whole stack at each opcode, and eliminate prtrace output at each (push/pop/stackadj) * Display info about the function at each resume_frame
* gh-91276: Make JUMP_IF_TRUE_OR_POP/JUMP_IF_FALSE_OR_POP relative (GH-32215)Irit Katriel2022-04-151-4/+4
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* gh-90699: Use _Py_STR(empty) instead of PyUnicode_New(0, 0) for BUILD_STRING ↵Dennis Sweeney2022-04-151-6/+2
| | | | (GH-91476)
* bpo-47120: make POP_JUMP_IF_TRUE/FALSE/NONE/NOT_NONE relative (GH-32400)Irit Katriel2022-04-111-47/+132
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* Fix some typos in comments (GH-32422)jonasdlindner2022-04-091-1/+1
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* bpo-47177: Replace `f_lasti` with `prev_instr` (GH-32208)Brandt Bucher2022-04-071-34/+37
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* bpo-35134: Remove the Include/code.h header file (GH-32385)Victor Stinner2022-04-071-1/+0
| | | | | | Remove the Include/code.h header file. C extensions should only include the main <Python.h> header file. Python.h includes directly Include/cpython/code.h instead.
* bpo-47009: Fix assert on big endian (GH-32332)Christian Heimes2022-04-051-1/+1
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* bpo-47120: make JUMP_NO_INTERRUPT relative (GH-32221)Irit Katriel2022-04-051-2/+2
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* bpo-47186: Replace JUMP_IF_NOT_EG_MATCH by CHECK_EG_MATCH + jump (GH-32309)Irit Katriel2022-04-051-13/+3
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* bpo-47009: Let PRECALL_NO_KW_LIST_APPEND do its own POP_TOP (GH-32239)Dennis Sweeney2022-04-051-4/+4
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* bpo-47176: Interrupt handling for wasm32-emscripten builds without pthreads ↵Hood Chatham2022-04-031-0/+2
| | | | | | (GH-32209) Co-authored-by: Christian Heimes <christian@python.org> Co-authored-by: Brett Cannon <brett@python.org>
* bpo-47186: Replace JUMP_IF_NOT_EXC_MATCH by CHECK_EXC_MATCH + jump (GH-32231)Irit Katriel2022-04-011-4/+2
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* bpo-47009: Streamline list.append for the common case (GH-31864)Dennis Sweeney2022-04-011-9/+4
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* bpo-47120: Replace the JUMP_ABSOLUTE opcode by the relative JUMP_BACKWARD ↵Irit Katriel2022-03-311-12/+11
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* Merge deoptimization blocks in interpreter (GH-32155)Mark Shannon2022-03-301-33/+23
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* bpo-47053: Refactor BINARY_OP_INPLACE_ADD_UNICODE (GH-32122)Dennis Sweeney2022-03-291-14/+18
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* bpo-47127: Specialize calls for fastcall c methods with keywords (GH-32125)Kumar Aditya2022-03-271-0/+32
| | | | * add PRECALL_METHOD_DESCRIPTOR_FAST_WITH_KEYWORDS
* bpo-47053: Reduce deoptimization in BINARY_OP_INPLACE_ADD_UNICODE (GH-31318)Dennis Sweeney2022-03-251-4/+5
| | | | | * Don't deopt if refcounts are too big * Detect more at specialization time
* bpo-46841: remove no-longer-used macro UPDATE_PREV_INSTR_OPARG (GH-32100)Irit Katriel2022-03-241-2/+0
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* bpo-43166: Disable ceval.c optimizations for Windows debug builds (GH-32023)neonene2022-03-231-4/+0
| | | Also increases the stack allocation when run with `python_d.exe` to account for the extra stack checks that are added.
* bpo-47045: Remove `f_state` field (GH-31963)Mark Shannon2022-03-221-92/+97
| | | | | * Remove the f_state field from _PyInterpreterFrame * Make ownership of the frame explicit, replacing the is_generator field with an owner field.
* bpo-46841: Quicken code in-place (GH-31888)Brandt Bucher2022-03-211-27/+12
| | | | | | | | | | | | | | | | | | | * Moves the bytecode to the end of the corresponding PyCodeObject, and quickens it in-place. * Removes the almost-always-unused co_varnames, co_freevars, and co_cellvars member caches * _PyOpcode_Deopt is a new mapping from all opcodes to their un-quickened forms. * _PyOpcode_InlineCacheEntries is renamed to _PyOpcode_Caches * _Py_IncrementCountAndMaybeQuicken is renamed to _PyCode_Warmup * _Py_Quicken is renamed to _PyCode_Quicken * _co_quickened is renamed to _co_code_adaptive (and is now a read-only memoryview). * Do not emit unused nonzero opargs anymore in the compiler.
* bpo-46850: Remove _PyEval_CallTracing() function (GH-32019)Victor Stinner2022-03-211-4/+7
| | | | Remove the private undocumented function _PyEval_CallTracing() from the C API. Call the public sys.call_tracing() function instead.
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