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* [3.11] GH-95921: Fix positions for some chained comparisons (GH-96968) ↵Brandt Bucher2022-09-201-0/+1
| | | | | | | (GH-96973) (cherry picked from commit dfc73b57247aac575c83055d960c03bdc28b51fd) Automerge-Triggered-By: GH:brandtbucher
* [3.11] GH-94036: Fix more attribute location quirks (GH-95028) (GH-95156)Brandt Bucher2022-07-231-20/+23
| | | (cherry picked from commit 900bfc53cb133e8bc2b122362ec04256f623d5b0)
* [3.11] GH-95113: Don't use EXTENDED_ARG_QUICK in unquickened code (GH-95121) ↵Brandt Bucher2022-07-221-3/+3
| | | | | (GH-95143) (cherry picked from commit e402b26b7fb953a2f0c17a0044bb6d6cbd726e54)
* [3.11] GH-91409: Don't overwrite valid locations with NOP locations ↵Brandt Bucher2022-07-201-1/+4
| | | | | (GH-95067) (GH-95068) (cherry picked from commit 742d4614e1a645d765dbf76c19bd9a818239b1cb)
* GH-94851: fix immortal objects refcounting in compiler (gh-95040)Miss Islington (bot)2022-07-201-1/+1
| | | | | (cherry picked from commit 74761548862eb5a324c23d86a6233d884f386f2e) Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
* [3.11] GH-94694: Fix column offsets for multi-line method lookups (GH-94721)Brandt Bucher2022-07-101-2/+9
| | | (cherry picked from commit 264b3ddfd561d97204ffb30be6a7d1fb0555e560)
* [3.11] gh-92228: disable the compiler's 'small exit block inlining' ↵Christian Heimes2022-07-071-0/+14
| | | | | | | | | | optimization for blocks that have a line number (GH-94592) (GH-94643) Inlining of code that corresponds to source code lines, can make it hard to distinguish later between code which is only reachable from except handlers, and that which is reachable in normal control flow. This caused problems with the debugger's jump feature. This PR turns off the inlining optimisation for code which has line numbers. We still inline things like the implicit "return None".. (cherry picked from commit bde06e1b8381f140b296a397ddd1deb1c784ff8e) Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
* [3.11] gh-94485: Set line number of module's RESUME instruction to 0 as ↵Łukasz Langa2022-07-051-1/+4
| | | | | | | | | specified by PEP 626 (GH-94552) (GH-94562) Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com> Co-authored-by: Mark Shannon <mark@hotpy.org> (cherry picked from commit 324d01944d16868b07df9e8eef6987766a31a36d)
* GH-94329: Don't raise on excessive stack consumption (GH-94421) (GH-94446)Miss Islington (bot)2022-06-301-6/+1
| | | | (cherry picked from commit b152bf448b321e3a4c0a7280e0b608840f5ac661)
* gh-94332: make it safe to call assemble_free when assemble_init has not been ↵Irit Katriel2022-06-301-0/+1
| | | | | called (GH-94389) (GH-94442) (cherry picked from commit be82d26570343dafc8a89be5a1a0e2f58d51a904)
* [3.11] GH-93662: Make sure that column offsets are correct in multi-line ↵Irit Katriel2022-06-161-4/+16
| | | | | method calls. (GH-93673) (#93895) Co-authored-by: Mark Shannon <mark@hotpy.org>
* gh-93061: Mark as artificial: backwards jump after async for (GH-93062) ↵Miss Islington (bot)2022-05-231-0/+2
| | | | | | | (GH-93110) (cherry picked from commit a458be3263b4cb92f3fde726461e8ef44b2a4a9d) Co-authored-by: Dennis Sweeney <36520290+sweeneyde@users.noreply.github.com>
* gh-92619: Fix bug where the compiler duplicates exit blocks unnecessarily ↵Miss Islington (bot)2022-05-101-1/+9
| | | | | | | | | (GH-92620) (GH-92621) (cherry picked from commit 7c6b7ade8df35355484d3944779fe35dcc560aab) Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com> Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
* gh-91869: Fix tracing of specialized instructions with extended args (GH-91945)Dennis Sweeney2022-04-281-3/+4
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* gh-91719: Add pycore_opcode.h internal header file (#91906)Victor Stinner2022-04-251-5/+6
| | | | | | | | | | | 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-88116: Use a compact format to represent end line and column offsets. ↵Mark Shannon2022-04-211-163/+144
| | | | | | | | | | | | (GH-91666) * Stores all location info in linetable to conform to PEP 626. * Remove column table from code objects. * Remove end-line table from code objects. * Document new location table format
* bpo-46712: share more global strings in deepfreeze (gh-32152)Kumar Aditya2022-04-191-0/+3
| | | (for gh-90868)
* Fix an out of date comment in compile.c (GH-91615)Irit Katriel2022-04-161-1/+2
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* gh-91276: Make JUMP_IF_TRUE_OR_POP/JUMP_IF_FALSE_OR_POP relative (GH-32215)Irit Katriel2022-04-151-0/+15
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* Fill holes in internal compiler structs (#91458)L. A. F. Pereira2022-04-131-18/+18
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* bpo-47120: make POP_JUMP_IF_TRUE/FALSE/NONE/NOT_NONE relative (GH-32400)Irit Katriel2022-04-111-17/+74
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* bpo-47120: make JUMP_NO_INTERRUPT relative (GH-32221)Irit Katriel2022-04-051-20/+29
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* bpo-47186: Replace JUMP_IF_NOT_EG_MATCH by CHECK_EG_MATCH + jump (GH-32309)Irit Katriel2022-04-051-7/+21
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* bpo-47172: Compiler enhancements (GH-32200)Irit Katriel2022-04-011-36/+41
| | | | | | | | * Make virtual opcodes negative. * Make is_jump detect only actual jumps. * Use is_block_push for the exception block setup opcodes.
* bpo-47186: Replace JUMP_IF_NOT_EXC_MATCH by CHECK_EXC_MATCH + jump (GH-32231)Irit Katriel2022-04-011-4/+6
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* bpo-47120: Replace the JUMP_ABSOLUTE opcode by the relative JUMP_BACKWARD ↵Irit Katriel2022-03-311-68/+88
| | | | (GH-32115)
* bpo-43224: Implement PEP 646 grammar changes (GH-31018)Matthew Rahtz2022-03-261-2/+12
| | | Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
* bpo-46841: Quicken code in-place (GH-31888)Brandt Bucher2022-03-211-4/+4
| | | | | | | | | | | | | | | | | | | * 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.
* Use low bit of LOAD_GLOBAL's oparg to indicate whether it should push an ↵Mark Shannon2022-03-171-2/+13
| | | | additional NULL. (GH-31933)
* bpo-46841: Fix error message hacks in `GET_AWAITABLE` (GH-31664)Brandt Bucher2022-03-041-6/+6
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* bpo-46831: Update __build_class__ comment (#31522)Shantanu2022-03-031-3/+2
| | | Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
* compiler: Merge except_table and cnotab (GH-31614)Inada Naoki2022-03-011-0/+6
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* bpo-46841: Move the cache for `LOAD_GLOBAL` inline. (GH-31575)Mark Shannon2022-02-281-2/+2
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* bpo-46808: remove NEXT_BLOCK() from compile.c (GH-31448)Irit Katriel2022-02-251-63/+72
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* bpo-46841: Use *inline* caching for `BINARY_OP` (GH-31543)Brandt Bucher2022-02-251-11/+47
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* bpo-46765: Replace Locally Cached Strings with Statically Initialized ↵Eric Snow2022-02-231-31/+7
| | | | | Objects (gh-31366) https://bugs.python.org/issue46765
* bpo-46329: Streamline calling sequence a bit. (GH-31465)Mark Shannon2022-02-211-16/+7
| | | | | | | | | | | | | | * Move handling of bound-methods to PRECALL. * Remove call_shape.postcall_shrink * Remove call_shape.callable * Remove call_shape.callable. Change CALL oparg to match PRECALL oparg. * Move KW_NAMES before PRECALL. * Update opcode docs in dis.rst
* bpo-46329: Change calling sequence (again) (GH-31373)Mark Shannon2022-02-181-15/+17
| | | | * Change calling sequence: Add PUSH_NULL. Merge PRECALL_FUNCTION and PRECALL_METHOD into PRECALL.
* bpo-46724: Use `JUMP_ABSOLUTE` for all backward jumps. (GH-31326)Mark Shannon2022-02-151-0/+5
| | | | | | | | | * Make sure all backward jumps use JUMP_ABSOLUTE. * Add news. * Fix up news item. * Make test use consistent style.
* bpo-46541: Discover the global strings. (gh-31346)Eric Snow2022-02-151-0/+7
| | | | | | | Instead of manually enumerating the global strings in generate_global_objects.py, we extrapolate the list from usage of _Py_ID() and _Py_STR() in the source files. This is partly inspired by gh-31261. https://bugs.python.org/issue46541
* Remove unnecessary basic block from comprehensions (GH-31263)Brandt Bucher2022-02-141-6/+3
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* bpo-46528: Attempt SWAPs at compile-time (GH-30970)Brandt Bucher2022-02-091-0/+67
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* bpo-46528: Check PyMem_Malloc for NULL (GH-30998)Brandt Bucher2022-02-091-8/+15
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* bpo-46541: Replace core use of _Py_IDENTIFIER() with statically initialized ↵Eric Snow2022-02-081-86/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | global objects. (gh-30928) We're no longer using _Py_IDENTIFIER() (or _Py_static_string()) in any core CPython code. It is still used in a number of non-builtin stdlib modules. The replacement is: PyUnicodeObject (not pointer) fields under _PyRuntimeState, statically initialized as part of _PyRuntime. A new _Py_GET_GLOBAL_IDENTIFIER() macro facilitates lookup of the fields (along with _Py_GET_GLOBAL_STRING() for non-identifier strings). https://bugs.python.org/issue46541#msg411799 explains the rationale for this change. The core of the change is in: * (new) Include/internal/pycore_global_strings.h - the declarations for the global strings, along with the macros * Include/internal/pycore_runtime_init.h - added the static initializers for the global strings * Include/internal/pycore_global_objects.h - where the struct in pycore_global_strings.h is hooked into _PyRuntimeState * Tools/scripts/generate_global_objects.py - added generation of the global string declarations and static initializers I've also added a --check flag to generate_global_objects.py (along with make check-global-objects) to check for unused global strings. That check is added to the PR CI config. The remainder of this change updates the core code to use _Py_GET_GLOBAL_IDENTIFIER() instead of _Py_IDENTIFIER() and the related _Py*Id functions (likewise for _Py_GET_GLOBAL_STRING() instead of _Py_static_string()). This includes adding a few functions where there wasn't already an alternative to _Py*Id(), replacing the _Py_Identifier * parameter with PyObject *. The following are not changed (yet): * stop using _Py_IDENTIFIER() in the stdlib modules * (maybe) get rid of _Py_IDENTIFIER(), etc. entirely -- this may not be doable as at least one package on PyPI using this (private) API * (maybe) intern the strings during runtime init https://bugs.python.org/issue46541
* bpo-46670: Remove unused macros in the Python directory (GH-31192)Victor Stinner2022-02-071-13/+0
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* bpo-45773: Remove invalid peephole optimizations (GH-31066)Brandt Bucher2022-02-031-2/+0
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* bpo-46528: Simplify BUILD_TUPLE/UNPACK_SEQUENCE folding (GH-31039)Brandt Bucher2022-02-011-14/+7
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* bpo-46329: Split calls into precall and call instructions. (GH-30855)Mark Shannon2022-01-281-26/+39
| | | | | | | | | | | | | | * Add PRECALL_FUNCTION opcode. * Move 'call shape' varaibles into struct. * Replace CALL_NO_KW and CALL_KW with KW_NAMES and CALL instructions. * Specialize for builtin methods taking using the METH_FASTCALL | METH_KEYWORDS protocol. * Allow kwnames for specialized calls to builtin types. * Specialize calls to tuple(arg) and str(arg).
* bpo-46458: emit code for else of a try block immediately after the try body ↵Irit Katriel2022-01-271-6/+7
| | | | (GH-30751)
* bpo-46528: Simplify the VM's stack manipulations (GH-30902)Brandt Bucher2022-01-261-105/+161
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