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Guido van Rossum 88941d665f
gh-106581: Fix two bugs in the code generator's copy optimization (#108380) 
I was comparing the last preceding poke with the *last* peek,
rather than the *first* peek.

Unfortunately this bug obscured another bug:
When the last preceding poke is UNUSED, the first peek disappears,
leaving the variable unassigned. This is how I fixed it:

- Rename CopyEffect to CopyItem.
- Change CopyItem to contain StackItems instead of StackEffects.
- Update those StackItems when adjusting the manager higher or lower.
- Assert that those StackItems' offsets are equivalent.
- Other clever things.

---------

Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
2023-08-24 19:10:51 +00:00
..
clinic
gh-107526: Revert "gh-100357: Convert several functions in bltinsmodule to AC" (#107542)
2023-08-20 17:54:10 -07:00
deepfreeze
gh-97669: Create Tools/build/ directory (#97963)
2022-10-17 12:01:00 +02:00
frozen_modules
gh-97669: Create Tools/build/ directory (#97963)
2022-10-17 12:01:00 +02:00
_warnings.c
gh-106320: Remove private _PyDict C API (#107145)
2023-07-24 14:02:03 +00:00
abstract_interp_cases.c.h
gh-106581: Project through calls (#108067)
2023-08-17 11:29:58 -07:00
adaptive.md
GH-98686: Get rid of "adaptive" and "quick" instructions (GH-99182)
2022-11-09 10:50:09 -08:00
asdl.c
…
asm_trampoline.S
gh-96143: Move the perf trampoline files to the Python directory (#98675)
2022-10-25 23:34:22 +01:00
assemble.c
gh-105481: remove regen-opcode. Generated _PyOpcode_Caches in regen-cases. (#108367)
2023-08-23 18:39:00 +01:00
ast_opt.c
GH-107263: Increase C stack limit for most functions, except _PyEval_EvalFrameDefault() (GH-107535)
2023-08-04 10:10:29 +01:00
ast_unparse.c
gh-100227: Move _str_replace_inf to PyInterpreterState (gh-102333)
2023-02-28 14:16:39 -07:00
ast.c
GH-107263: Increase C stack limit for most functions, except _PyEval_EvalFrameDefault() (GH-107535)
2023-08-04 10:10:29 +01:00
bltinmodule.c
gh-108113: Make it possible to optimize an AST (#108282)
2023-08-23 09:01:17 +01:00
bootstrap_hash.c
gh-106320: Remove private pylifecycle.h functions (#106400)
2023-07-04 09:41:43 +00:00
bytecodes.c
gh-106581: Project through calls (#108067)
2023-08-17 11:29:58 -07:00
ceval_gil.c
GH-104584: Fix ENTER_EXECUTOR (GH-106141)
2023-07-03 21:28:27 +01:00
ceval_macros.h
gh-106581: Project through calls (#108067)
2023-08-17 11:29:58 -07:00
ceval.c
gh-105481: remove regen-opcode. Generated _PyOpcode_Caches in regen-cases. (#108367)
2023-08-23 18:39:00 +01:00
codecs.c
gh-108308: Replace _PyDict_GetItemStringWithError() (#108372)
2023-08-23 22:59:00 +02:00
compile.c
gh-105481: remove regen-opcode. Generated _PyOpcode_Caches in regen-cases. (#108367)
2023-08-23 18:39:00 +01:00
condvar.h
gh-74953: _PyThread_cond_after() uses _PyTime_t (#94056)
2022-06-21 15:45:49 +02:00
context.c
GH-84436: Skip refcounting for known immortals (GH-107605)
2023-08-04 16:24:50 -07:00
dtoa.c
gh-104263: Rely on Py_NAN and introduce Py_INFINITY (GH-104202)
2023-05-10 17:44:52 +01:00
dup2.c
gh-95174: Handle missing dup() and constants in WASI (GH-95229)
2022-07-26 11:16:51 +02:00
dynamic_annotations.c
…
dynload_hpux.c
…
dynload_shlib.c
gh-101758: Clean Up Uses of Import State (gh-101919)
2023-02-15 15:32:31 -07:00
dynload_stub.c
…
dynload_win.c
gh-102255: Improve build support for Windows API partitions (GH-102256)
2023-03-09 21:09:12 +00:00
emscripten_signal.c
bpo-47176: Interrupt handling for wasm32-emscripten builds without pthreads (GH-32209)
2022-04-03 22:58:52 +02:00
errors.c
gh-107916: Save the error code before decoding the filename in PyErr_SetFromErrnoWithFilename() etc (GH-107929)
2023-08-21 14:16:31 +03:00
executor_cases.c.h
gh-106581: Project through calls (#108067)
2023-08-17 11:29:58 -07:00
executor.c
gh-105481: remove regen-opcode. Generated _PyOpcode_Caches in regen-cases. (#108367)
2023-08-23 18:39:00 +01:00
fileutils.c
gh-106242: Minor fixup to avoid compiler warnings (GH-107983)
2023-08-15 17:02:32 +00:00
flowgraph.c
gh-108308: Replace PyDict_GetItem() with PyDict_GetItemRef() (#108309)
2023-08-23 17:40:26 +02:00
formatter_unicode.c
gh-92536: Remove PyUnicode_READY() calls (#105210)
2023-06-02 01:33:17 +02:00
frame.c
GH-108035: Remove the _PyCFrame struct as it is no longer needed for performance. (GH-108036)
2023-08-17 11:16:03 +01:00
frozen.c
gh-100227: Only Use deepfreeze for the Main Interpreter (gh-103794)
2023-04-24 21:48:05 +00:00
frozenmain.c
gh-106320: Remove private _PyInterpreterState functions (#106325)
2023-07-02 01:39:38 +00:00
future.c
gh-106320: Remove more private _PyUnicode C API functions (#106382)
2023-07-03 22:35:46 +00:00
generated_cases.c.h
gh-106581: Fix two bugs in the code generator's copy optimization (#108380)
2023-08-24 19:10:51 +00:00
getargs.c
gh-108308: Remove _PyDict_GetItemStringWithError() function (#108426)
2023-08-24 17:34:22 +02:00
getcompiler.c
…
getcopyright.c
Update copyright years to 2023. (gh-100848)
2023-01-08 09:13:25 -06:00
getopt.c
gh-90300: split --help output into separate options (#30331)
2022-06-01 05:50:01 -04:00
getplatform.c
…
getversion.c
gh-81057: Move Globals in Core Code to _PyRuntimeState (gh-99496)
2022-11-15 09:45:11 -07:00
hamt.c
gh-106320: Remove private PyLong C API functions (#108429)
2023-08-24 18:53:50 +02:00
hashtable.c
gh-106931: Intern Statically Allocated Strings Globally (gh-107272)
2023-07-27 13:56:59 -06:00
import.c
gh-108308: Replace _PyDict_GetItemStringWithError() (#108372)
2023-08-23 22:59:00 +02:00
importdl.c
gh-106320: Remove private _PyErr C API functions (#106356)
2023-07-03 10:48:50 +00:00
importdl.h
gh-106210 Remove Emscripten import trampoline (#106211)
2023-06-29 17:20:49 -07:00
initconfig.c
gh-108308: config_dict_get() uses PyDict_GetItemRef() (#108371)
2023-08-23 23:12:08 +02:00
instrumentation.c
gh-105481: remove regen-opcode. Generated _PyOpcode_Caches in regen-cases. (#108367)
2023-08-23 18:39:00 +01:00
intrinsics.c
GH-108035: Remove the _PyCFrame struct as it is no longer needed for performance. (GH-108036)
2023-08-17 11:16:03 +01:00
legacy_tracing.c
GH-107724: Fix the signature of PY_THROW callback functions. (GH-107725)
2023-08-09 09:30:50 +01:00
marshal.c
gh-106320: Move private _PySet API to the internal API (#107041)
2023-07-22 17:04:34 +02:00
modsupport.c
bpo-42327: C API: Add PyModule_Add() function (GH-23443)
2023-07-18 09:42:05 +03:00
mysnprintf.c
Add a warning message about PyOS_snprintf (#95993)
2022-10-07 11:49:53 -07:00
mystrtoul.c
…
opcode_targets.h
gh-105481: generate op IDs from bytecode.c instead of hard coding them in opcode.py (#107971)
2023-08-16 22:25:18 +00:00
optimizer_analysis.c
gh-105481: remove regen-opcode. Generated _PyOpcode_Caches in regen-cases. (#108367)
2023-08-23 18:39:00 +01:00
optimizer.c
gh-105481: remove regen-opcode. Generated _PyOpcode_Caches in regen-cases. (#108367)
2023-08-23 18:39:00 +01:00
pathconfig.c
gh-105145: Remove old functions to config Python init (#105154)
2023-06-01 09:14:02 +02:00
perf_trampoline.c
GH-100987: Allow objects other than code objects as the "executable" of an internal frame. (GH-105727)
2023-06-14 13:46:37 +01:00
preconfig.c
gh-106320: Remove private pylifecycle.h functions (#106400)
2023-07-04 09:41:43 +00:00
pyarena.c
…
pyctype.c
…
pyfpe.c
…
pyhash.c
gh-106320: Move private _PyHash API to the internal C API (#107026)
2023-07-22 13:49:37 +00:00
pylifecycle.c
gh-108314: Add PyDict_ContainsString() function (#108323)
2023-08-24 15:59:12 +02:00
pymath.c
…
pystate.c
GH-108035: Remove the _PyCFrame struct as it is no longer needed for performance. (GH-108036)
2023-08-17 11:16:03 +01:00
pystrcmp.c
…
pystrhex.c
gh-106320: Remove _PyUnicode_TransformDecimalAndSpaceToASCII() (#106398)
2023-07-04 08:59:09 +00:00
pystrtod.c
gh-104263: Rely on Py_NAN and introduce Py_INFINITY (GH-104202)
2023-05-10 17:44:52 +01:00
Python-ast.c
gh-108113: Make it possible to create an optimized AST (#108154)
2023-08-21 16:31:30 +00:00
Python-tokenize.c
gh-107015: Remove async_hacks from the tokenizer (#107018)
2023-07-26 16:34:15 +01:00
pythonrun.c
gh-108308: Remove _PyDict_GetItemStringWithError() function (#108426)
2023-08-24 17:34:22 +02:00
pytime.c
gh-106316: Remove pytime.h header file (#106317)
2023-07-01 22:27:18 +00:00
README
…
specialize.c
gh-105481: remove regen-opcode. Generated _PyOpcode_Caches in regen-cases. (#108367)
2023-08-23 18:39:00 +01:00
stdlib_module_names.h
gh-105481: generate _specializations and _specialized_instructions from bytecodes.c (#105913)
2023-06-19 23:47:04 +01:00
structmember.c
gh-106869: Use new PyMemberDef constant names (#106871)
2023-07-25 15:28:30 +02:00
suggestions.c
gh-107944: Improve error message for function calls with bad keyword arguments (#107969)
2023-08-17 19:39:42 +01:00
symtable.c
GH-107263: Increase C stack limit for most functions, except _PyEval_EvalFrameDefault() (GH-107535)
2023-08-04 10:10:29 +01:00
sysmodule.c
gh-108308: Remove _PyDict_GetItemStringWithError() function (#108426)
2023-08-24 17:34:22 +02:00
thread_nt.h
gh-81057: Move Threading-Related Globals to _PyRuntimeState (#100084)
2022-12-08 17:50:58 -07:00
thread_pthread_stubs.h
gh-81057: Move Threading-Related Globals to _PyRuntimeState (#100084)
2022-12-08 17:50:58 -07:00
thread_pthread.h
gh-101538: Add experimental wasi-threads build (#101537)
2023-06-22 11:26:10 -07:00
thread.c
gh-94673: Properly Initialize and Finalize Static Builtin Types for Each Interpreter (gh-104072)
2023-05-01 19:36:00 -06:00
traceback.c
Ignore _Py_write_noraise() result: cast to (void) (#108291)
2023-08-22 14:28:20 +00:00
tracemalloc.c
Ignore _Py_write_noraise() result: cast to (void) (#108291)
2023-08-22 14:28:20 +00:00

README 

Miscellaneous source files for the main Python shared library