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cpython/Python
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Mark Shannon e0451ceef8
GH-139757: JIT: Remove redundant branches to jumps in the assembly optimizer (GH-140800) 
JIT: Remove redundant branches to jump in the assembly optimizer

* Refactor JIT assembly optimizer making instructions instances not just strings
* Remove redundant jumps and branches where legal to do so
* Modifies _BINARY_OP_SUBSCR_STR_INT to avoid excessive inlining depth
2025-12-08 17:57:11 +00:00
..
clinic
gh-135801: Add the module parameter to compile() etc (GH-139652)
2025-11-13 13:21:32 +02:00
frozen_modules
…
_contextvars.c
gh-128384: Use a context variable for warnings.catch_warnings (gh-130010)
2025-04-09 16:18:54 -07:00
_warnings.c
gh-135801: Improve filtering by module in warn_explicit() without module argument (GH-140151)
2025-10-30 15:55:39 +02:00
asdl.c
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asm_trampoline.S
gh-136459: Add perf trampoline support for macOS (#136461)
2025-07-22 16:47:24 +01:00
assemble.c
gh-87859: Track Code Object Local Kinds For Arguments (gh-132980)
2025-04-29 02:21:47 +00:00
ast_preprocess.c
gh-135801: Add the module parameter to compile() etc (GH-139652)
2025-11-13 13:21:32 +02:00
ast_unparse.c
gh-132661: Disallow Template/str concatenation after PEP 750 spec update (#135996)
2025-07-21 08:44:26 +02:00
ast.c
gh-132661: Implement PEP 750 (#132662)
2025-04-30 11:46:41 +02:00
bltinmodule.c
gh-135801: Add the module parameter to compile() etc (GH-139652)
2025-11-13 13:21:32 +02:00
bootstrap_hash.c
…
brc.c
…
bytecodes.c
GH-139757: JIT: Remove redundant branches to jumps in the assembly optimizer (GH-140800)
2025-12-08 17:57:11 +00:00
ceval_gil.c
gh-135953: Add GIL contention markers to sampling profiler Gecko format (#139485)
2025-11-17 12:46:26 +00:00
ceval_macros.h
GH-141794: Limit size of generated machine code. (GH-142228)
2025-12-03 17:43:35 +00:00
ceval.c
gh-138122: Don't sample partial frame chains (#141912)
2025-12-07 15:53:48 +00:00
codecs.c
Python/codecs.c: Remove unused forward declaration (#139511)
2025-10-03 13:33:49 +02:00
codegen.c
gh-138349: Fix crash when combining module-level annotation and listcomp (#138363)
2025-09-10 15:18:39 +02:00
compile.c
gh-135801: Add the module parameter to compile() etc (GH-139652)
2025-11-13 13:21:32 +02:00
condvar.h
…
config_common.h
…
context.c
gh-138192: Fix Context initialization so that all subinterpreters are assigned the MISSING value. (gh-138503)
2025-09-04 17:19:30 +00:00
critical_section.c
gh-140795: fetch thread state once on fast path for critical sections (#141406)
2025-11-21 19:49:53 +05:30
crossinterp_data_lookup.h
gh-135443: Sometimes Fall Back to __main__.__dict__ For Globals (gh-135491)
2025-06-16 17:34:19 -06:00
crossinterp_exceptions.h
gh-132775: Clean Up Cross-Interpreter Error Handling (gh-135369)
2025-06-13 16:45:21 -06:00
crossinterp.c
gh-140306: Fix memory leaks in cross-interpreter data handling (GH-140307)
2025-10-19 22:24:28 +03:00
dtoa.c
…
dup2.c
…
dynamic_annotations.c
…
dynload_hpux.c
…
dynload_shlib.c
…
dynload_stub.c
…
dynload_win.c
gh-131942: Use the Python-specific Py_DEBUG macro rather than _DEBUG in Windows-related C code (GH-131944)
2025-05-08 15:01:25 +00:00
emscripten_signal.c
…
emscripten_syscalls.c
gh-124621: Emscripten: Fix __syscall_ioctl patch (GH-136993)
2025-07-22 15:05:26 +02:00
emscripten_trampoline_inner.c
gh-128627: Use __builtin_wasm_test_function_pointer_signature for Emscripten trampoline (#137470)
2025-09-17 15:33:55 +01:00
emscripten_trampoline.c
gh-128627: Use __builtin_wasm_test_function_pointer_signature for Emscripten trampoline (#137470)
2025-09-17 15:33:55 +01:00
errors.c
gh-135801: Add the module parameter to compile() etc (GH-139652)
2025-11-13 13:21:32 +02:00
executor_cases.c.h
GH-139757: JIT: Remove redundant branches to jumps in the assembly optimizer (GH-140800)
2025-12-08 17:57:11 +00:00
fileutils.c
gh-42400: Fix buffer overflow in _Py_wrealpath() for very long paths (#141529)
2025-11-18 17:34:58 +01:00
flowgraph.c
gh-138714: Don't assume next block has instructions when propagating line numbers (#138770)
2025-09-17 09:52:56 -07:00
frame.c
gh-131173: Improve exception handling during take_ownership processing (#132620)
2025-04-17 13:38:34 -07:00
frozen.c
…
frozenmain.c
Use PyConfig_Get() in frozenmain.c (#137421)
2025-08-06 14:33:28 +02:00
future.c
…
gc_free_threading.c
gh-142048: Fix quadratically increasing GC delays (gh-142051)
2025-12-01 19:04:47 -05:00
gc_gil.c
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gc.c
GH-140638: Add a GC "candidates" stat (GH-141814)
2025-11-22 21:59:14 +00:00
generated_cases.c.h
GH-139757: JIT: Remove redundant branches to jumps in the assembly optimizer (GH-140800)
2025-12-08 17:57:11 +00:00
getargs.c
Revert "gh-112068: C API: Add support of nullable arguments in PyArg_Parse (GH-121303)" (#136991)
2025-07-22 16:39:50 +03:00
getcompiler.c
gh-141341: Rename COMPILER macro to _Py_COMPILER on Windows (#141342)
2025-11-10 15:50:51 +01:00
getcopyright.c
…
getopt.c
GH-133336: Remove reserved `-J` flag for Jython (#133444)
2025-05-05 15:09:19 +00:00
getplatform.c
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getversion.c
gh-119132: Remove "experimental" tag from the CPython free-threading. (gh-135550)
2025-06-16 23:32:52 +09:00
hamt.c
gh-137440: Update comment in Python/hamt.c on importing for testing (GH-137441)
2025-08-07 09:50:49 -04:00
hashtable.c
…
import.c
gh-141780: Make PyModule_FromSlotsAndSpec enable GIL if needed (GH-141785)
2025-11-24 13:26:35 +01:00
importdl.c
gh-140011: Delete importdl assertion that prevents importing embedded modules from packages (GH-141605)
2025-11-26 14:12:49 +01:00
index_pool.c
gh-91048: Refactor and optimize remote debugging module (#134652)
2025-05-25 20:19:29 +00:00
initconfig.c
gh-131253: free-threaded build support for pystats (gh-137189)
2025-11-03 11:36:37 -08:00
instruction_sequence.c
GH-124715: Move trashcan mechanism into Py_Dealloc (GH-132280)
2025-04-30 11:37:53 +01:00
instrumentation.c
gh-120158: Fix inconsistent monitoring state when setting events too frequently (gh-141845)
2025-11-23 10:07:17 -05:00
interpconfig.c
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intrinsics.c
gh-111489: Remove _PyTuple_FromArray() alias (#139973)
2025-10-11 22:58:14 +02:00
jit.c
GH-139757: JIT: Remove redundant branches to jumps in the assembly optimizer (GH-140800)
2025-12-08 17:57:11 +00:00
legacy_tracing.c
gh-137400: Fix thread-safety issues when profiling all threads (gh-137518)
2025-08-13 14:15:12 -04:00
lock.c
gh-131253: free-threaded build support for pystats (gh-137189)
2025-11-03 11:36:37 -08:00
marshal.c
gh-141370: Fix undefined behavior when using Py_ABS() (GH-141548)
2025-12-05 16:24:35 +02:00
modsupport.c
gh-137210: Add a struct, slot & function for checking an extension's ABI (GH-137212)
2025-09-05 16:23:18 +02:00
mysnprintf.c
…
mystrtoul.c
…
object_stack.c
…
opcode_targets.h
GH-139109: Support switch/case dispatch with the tracing interpreter. (GH-141703)
2025-11-18 13:31:48 +00:00
optimizer_analysis.c
gh-141976: Check stack bounds in JIT optimizer (GH-142201)
2025-12-04 20:28:08 +00:00
optimizer_bytecodes.c
gh-139109: A new tracing JIT compiler frontend for CPython (GH-140310)
2025-11-13 18:08:32 +00:00
optimizer_cases.c.h
gh-141976: Check stack bounds in JIT optimizer (GH-142201)
2025-12-04 20:28:08 +00:00
optimizer_symbols.c
gh-139109: A new tracing JIT compiler frontend for CPython (GH-140310)
2025-11-13 18:08:32 +00:00
optimizer.c
gh-139109: JIT _EXIT_TRACE to ENTER_EXECUTOR rather than _DEOPT (GH-141573)
2025-11-15 20:19:41 +00:00
parking_lot.c
gh-137433: Fix deadlock with stop-the-world and daemon threads (gh-137735)
2025-09-16 09:21:58 +01:00
pathconfig.c
gh-133644: Remove deprecated Python initialization getter functions (#133661)
2025-05-09 11:39:23 +00:00
perf_jit_trampoline.c
gh-141770: Annotate anonymous mmap usage if "-X dev" is used (gh-142079)
2025-12-08 14:47:19 +00:00
perf_trampoline.c
gh-141770: Annotate anonymous mmap usage if "-X dev" is used (gh-142079)
2025-12-08 14:47:19 +00:00
preconfig.c
GH-133711: Enable UTF-8 mode by default (PEP 686) (#133712)
2025-07-15 10:45:41 +01:00
pyarena.c
…
pyctype.c
…
pyfpe.c
…
pyhash.c
gh-111389: replace deprecated occurrences of _PyHASH_* macros (#141236)
2025-11-09 15:14:08 +01:00
pylifecycle.c
gh-138122: Don't sample partial frame chains (#141912)
2025-12-07 15:53:48 +00:00
pymath.c
…
pystate.c
gh-138122: Don't sample partial frame chains (#141912)
2025-12-07 15:53:48 +00:00
pystats.c
gh-131253: free-threaded build support for pystats (gh-137189)
2025-11-03 11:36:37 -08:00
pystrcmp.c
…
pystrhex.c
gh-141370: Fix undefined behavior when using Py_ABS() (GH-141548)
2025-12-05 16:24:35 +02:00
pystrtod.c
gh-141004: soft-deprecate Py_INFINITY macro (#141033)
2025-11-12 13:44:49 +01:00
Python-ast.c
gh-140471: Fix buffer overflow in AST node initialization with malformed _fields (#140506)
2025-10-23 15:35:21 +00:00
Python-tokenize.c
…
pythonrun.c
gh-141070: Add PyUnstable_Object_Dump() function (#141072)
2025-11-18 16:13:13 +00:00
pytime.c
Remove internal _PyTime_AsLong() function (#141053)
2025-11-05 18:37:06 +01:00
qsbr.c
gh-131253: free-threaded build support for pystats (gh-137189)
2025-11-03 11:36:37 -08:00
README
…
remote_debug.h
gh-138122: Implement frame caching in RemoteUnwinder to reduce memory reads (#142137)
2025-12-06 22:37:34 +00:00
remote_debugging.c
gh-138122: Implement frame caching in RemoteUnwinder to reduce memory reads (#142137)
2025-12-06 22:37:34 +00:00
specialize.c
gh-141367: Use CALL_LIST_APPEND instruction only for lists, not for list subclasses (GH-141398)
2025-11-14 21:38:39 +00:00
stackrefs.c
gh-131527: Stackref debug borrow checker (#140599)
2025-11-05 11:12:56 -08:00
stdlib_module_names.h
gh-81313: Add the math.integer module (PEP-791) (GH-133909)
2025-10-31 16:13:43 +02:00
structmember.c
gh-132685: fix thread safety of PyMember_GetOne with _Py_T_OBJECT (#132690)
2025-04-18 21:03:42 +05:30
suggestions.c
…
symtable.c
gh-135801: Add the module parameter to compile() etc (GH-139652)
2025-11-13 13:21:32 +02:00
sysmodule.c
gh-141579: Fix perf_jit backend in sys.activate_stack_trampoline() (#141580)
2025-11-15 02:23:54 +00:00
thread_nt.h
gh-134745: Change PyThread_allocate_lock() implementation to PyMutex (#134747)
2025-05-30 10:15:47 +00:00
thread_pthread_stubs.h
…
thread_pthread.h
gh-137884: Added threading.get_native_id() on Illumos/Solaris (GH-137927)
2025-08-20 17:10:44 +00:00
thread.c
gh-134745: Use "pymutex" for sys.thread_info on Windows (#141140)
2025-11-06 16:10:39 +01:00
tier2_engine.md
…
traceback.c
gh-138122: Don't sample partial frame chains (#141912)
2025-12-07 15:53:48 +00:00
tracemalloc.c
gh-127635: Use flexible array in tracemalloc (#141991)
2025-11-27 12:32:31 +01:00
uniqueid.c
…
vm-state.md
gh-133079: Remove Py_C_RECURSION_LIMIT & PyThreadState.c_recursion_remaining (GH-133080)
2025-04-29 12:56:20 +02:00

README 

Miscellaneous source files for the main Python shared library