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Guido van Rossum 3409bc29c9 gh-115859: Re-enable T2 optimizer pass by default (#116062) 
This undoes the *temporary* default disabling of the T2 optimizer pass in gh-115860.

- Add a new test that reproduces Brandt's example from gh-115859; it indeed crashes before gh-116028 with PYTHONUOPSOPTIMIZE=1
- Re-enable the optimizer pass in T2, stop checking PYTHONUOPSOPTIMIZE
- Rename the env var to disable T2 entirely to PYTHON_UOPS_OPTIMIZE (must be explicitly set to 0 to disable)
- Fix skipIf conditions on tests in test_opt.py accordingly
- Export sym_is_bottom() (for debugging)
- Fix various things in the `_BINARY_OP_` specializations in the abstract interpreter:
  - DECREF(temp)
  - out-of-space check after sym_new_const()
  - add sym_matches_type() checks, so even if we somehow reach a binary op with symbolic constants of the wrong type on the stack we won't trigger the type assert
2024-02-28 22:38:01 +00:00
..
clinic
GH-114695: Add sys._clear_internal_caches (GH-115152)
2024-02-12 09:04:36 +00:00
deepfreeze
…
frozen_modules
…
_warnings.c
gh-111789: Use PyDict_GetItemRef() in Python/_warnings.c (gh-112080)
2023-11-27 18:58:43 +01:00
adaptive.md
…
asdl.c
…
asm_trampoline.S
…
assemble.c
GH-111485: Generate instruction and uop metadata (GH-113287)
2023-12-20 14:27:25 +00:00
ast_opt.c
GH-113655: Lower the C recursion limit on various platforms (GH-113944)
2024-01-16 09:32:01 +00:00
ast_unparse.c
…
ast.c
GH-113655: Lower the C recursion limit on various platforms (GH-113944)
2024-01-16 09:32:01 +00:00
bltinmodule.c
gh-76763: Make chr() always raising ValueError for out-of-range values (GH-114882)
2024-02-10 12:21:35 +02:00
bootstrap_hash.c
gh-110014: Fix bootstrap_hash.c: remove debug code (#110161)
2023-09-30 22:21:20 +00:00
brc.c
gh-112175: Add eval_breaker to PyThreadState (#115194)
2024-02-20 09:57:48 -05:00
bytecodes.c
gh-107674: Improve performance of sys.settrace (GH-114986)
2024-02-28 15:21:42 +00:00
ceval_gil.c
gh-112175: Add eval_breaker to PyThreadState (#115194)
2024-02-20 09:57:48 -05:00
ceval_macros.h
gh-107674: Improve performance of sys.settrace (GH-114986)
2024-02-28 15:21:42 +00:00
ceval.c
gh-107674: Improve performance of sys.settrace (GH-114986)
2024-02-28 15:21:42 +00:00
codecs.c
gh-111972: Make Unicode name C APIcapsule initialization thread-safe (#112249)
2023-11-30 11:12:49 +01:00
compile.c
gh-111789: Use PyDict_GetItemRef() in Python/compile.c (GH-112083)
2024-02-23 12:35:27 +01:00
condvar.h
gh-104530: Enable native Win32 condition variables by default (GH-104531)
2024-02-02 13:50:51 +00:00
context.c
gh-111968: Split _Py_dictkeys_freelist out of _Py_dict_freelist (gh-115505)
2024-02-16 01:01:36 +00:00
critical_section.c
gh-111569: Implement Python critical section API (gh-111571)
2023-11-08 15:39:29 -07:00
crossinterp_data_lookup.h
gh-76785: Improved Subinterpreters Compatibility with 3.12 (gh-115424)
2024-02-13 14:56:49 -07:00
crossinterp_exceptions.h
gh-76785: Improved Subinterpreters Compatibility with 3.12 (gh-115424)
2024-02-13 14:56:49 -07:00
crossinterp.c
gh-76785: Improved Subinterpreters Compatibility with 3.12 (gh-115424)
2024-02-13 14:56:49 -07:00
dtoa.c
gh-111962: Make dtoa thread-safe in --disable-gil builds. (#112049)
2023-12-07 13:47:55 +00:00
dup2.c
…
dynamic_annotations.c
…
dynload_hpux.c
gh-88402: Add new sysconfig variables on Windows (GH-110049)
2023-10-04 22:50:29 +00:00
dynload_shlib.c
gh-88402: Add new sysconfig variables on Windows (GH-110049)
2023-10-04 22:50:29 +00:00
dynload_stub.c
gh-88402: Add new sysconfig variables on Windows (GH-110049)
2023-10-04 22:50:29 +00:00
dynload_win.c
gh-88402: Add new sysconfig variables on Windows (GH-110049)
2023-10-04 22:50:29 +00:00
emscripten_signal.c
…
emscripten_trampoline.c
…
errors.c
gh-111375: Use NULL rather than None in the exception stack to indicate that an exception was handled (#113302)
2023-12-21 01:46:41 +00:00
executor_cases.c.h
gh-107674: Improve performance of sys.settrace (GH-114986)
2024-02-28 15:21:42 +00:00
fileutils.c
gh-112970: Detect and use closefrom() when available (#112969)
2023-12-12 11:25:27 +01:00
flowgraph.c
gh-115796: fix exception table construction in _testinternalcapi.assemble_code_object (#115797)
2024-02-22 12:36:44 +00:00
formatter_unicode.c
…
frame.c
Remove unused Py_XDECREF from _PyFrame_ClearExceptCode (GH-106158)
2024-02-01 18:26:22 +02:00
frozen.c
gh-106560: Fix redundant declarations in Python/frozen.c (#112612)
2023-12-03 12:18:24 +01:00
frozenmain.c
gh-110014: Include explicitly <unistd.h> header (#110155)
2023-09-30 20:06:45 +00:00
future.c
…
gc_free_threading.c
gh-112529: Simplify PyObject_GC_IsTracked and PyObject_GC_IsFinalized (#114732)
2024-02-28 15:37:59 -05:00
gc_gil.c
gh-111968: Rename freelist related struct names to Eric's suggestion (gh-115329)
2024-02-14 00:32:51 +00:00
gc.c
gh-110850: Use public PyTime functions (#115746)
2024-02-20 23:31:30 +00:00
generated_cases.c.h
gh-107674: Improve performance of sys.settrace (GH-114986)
2024-02-28 15:21:42 +00:00
getargs.c
gh-107944: Improve error message for getargs with bad keyword arguments (#114792)
2024-02-08 01:04:41 -08:00
getcompiler.c
…
getcopyright.c
Update copyright years to 2024. (GH-113608)
2024-01-16 21:54:05 +01:00
getopt.c
gh-110079: Remove extern "C" { ...} in C code (#110080)
2023-09-29 10:56:49 +02:00
getplatform.c
…
getversion.c
…
hamt.c
…
hashtable.c
gh-111545: Add Py_HashPointer() function (#112096)
2023-12-06 15:09:22 +01:00
import.c
gh-110850: Rename internal PyTime C API functions (#115734)
2024-02-20 22:16:37 +00:00
importdl.c
gh-88402: Add new sysconfig variables on Windows (GH-110049)
2023-10-04 22:50:29 +00:00
initconfig.c
gh-90300: Reformat the Python CLI help output (GH-93415)
2024-02-23 10:27:07 +01:00
instrumentation.c
gh-107674: Improve performance of sys.settrace (GH-114986)
2024-02-28 15:21:42 +00:00
intrinsics.c
gh-107149: make new opcode util functions private rather than public and unstable (#112042)
2023-11-14 00:31:02 +00:00
jit.c
GH-115802: JIT "small" code for macOS and Linux (GH-115826)
2024-02-26 08:32:44 -08:00
legacy_tracing.c
gh-103615: Use local events for opcode tracing (GH-109472)
2023-11-03 16:39:50 +00:00
lock.c
gh-110850: Rename internal PyTime C API functions (#115734)
2024-02-20 22:16:37 +00:00
marshal.c
gh-113626: Add allow_code parameter in marshal functions (GH-113648)
2024-01-16 18:05:15 +02:00
modsupport.c
gh-84489: Properly handle trailing spaces in Py_BuildValue() format strings (GH-21158)
2023-10-11 14:44:06 +03:00
mysnprintf.c
…
mystrtoul.c
…
object_stack.c
gh-111968: Split _Py_dictkeys_freelist out of _Py_dict_freelist (gh-115505)
2024-02-16 01:01:36 +00:00
opcode_targets.h
GH-111485: Generate TARGET table for computed goto dispatch. (GH-113319)
2023-12-20 15:09:12 +00:00
optimizer_analysis.c
gh-115859: Re-enable T2 optimizer pass by default (#116062)
2024-02-28 22:38:01 +00:00
optimizer_bytecodes.c
gh-115859: Re-enable T2 optimizer pass by default (#116062)
2024-02-28 22:38:01 +00:00
optimizer_cases.c.h
gh-115859: Re-enable T2 optimizer pass by default (#116062)
2024-02-28 22:38:01 +00:00
optimizer_symbols.c
gh-115859: Re-enable T2 optimizer pass by default (#116062)
2024-02-28 22:38:01 +00:00
optimizer.c
gh-115859: Re-enable T2 optimizer pass by default (#116062)
2024-02-28 22:38:01 +00:00
parking_lot.c
gh-110850: Rename internal PyTime C API functions (#115734)
2024-02-20 22:16:37 +00:00
pathconfig.c
gh-110079: Remove extern "C" { ...} in C code (#110080)
2023-09-29 10:56:49 +02:00
perf_trampoline.c
gh-113343: Fix error check on mmap(2) (#113342)
2023-12-21 19:28:55 +00:00
preconfig.c
…
pyarena.c
…
pyctype.c
…
pyfpe.c
…
pyhash.c
gh-111545: Add Py_HashPointer() function (#112096)
2023-12-06 15:09:22 +01:00
pylifecycle.c
gh-115168: Add pystats counter for invalidated executors (GH-115169)
2024-02-26 17:51:47 +00:00
pymath.c
…
pystate.c
gh-116012: Preserve GetLastError() across calls to TlsGetValue on Windows (GH-116014)
2024-02-28 13:58:25 +00:00
pystrcmp.c
…
pystrhex.c
…
pystrtod.c
…
Python-ast.c
gh-105858: Improve AST node constructors (#105880)
2024-02-27 18:13:03 -08:00
Python-tokenize.c
gh-112943: Correctly compute end offsets for multiline tokens in the tokenize module (#112949)
2023-12-11 11:44:22 +00:00
pythonrun.c
gh-115914: minor cleanup: simplify filename_obj assignment in PyRun_AnyFileExFlags (gh-115916)
2024-02-25 12:45:38 -08:00
pytime.c
gh-110850: Cleanup PyTime API: PyTime_t are nanoseconds (#115753)
2024-02-21 11:46:00 +01:00
qsbr.c
gh-115103: Implement delayed memory reclamation (QSBR) (#115180)
2024-02-16 15:25:19 -05:00
README
…
specialize.c
gh-115168: Add pystats counter for invalidated executors (GH-115169)
2024-02-26 17:51:47 +00:00
stdlib_module_names.h
gh-110721: Remove unused code from suggestions.c after moving PyErr_Display to use the traceback module (#113712)
2024-01-08 15:10:45 +00:00
structmember.c
gh-115011: Improve support of __index__() in setters of members with unsigned integer type (GH-115029)
2024-02-11 12:45:58 +02:00
suggestions.c
gh-113845: Fix a compiler warning in Python/suggestions.c (GH-113949)
2024-01-11 20:31:24 +02:00
symtable.c
gh-96497: Mangle name before symtable lookup in 'symtable_extend_namedexpr_scope' (GH-96561)
2024-02-17 12:06:31 +00:00
sysmodule.c
gh-115168: Add pystats counter for invalidated executors (GH-115169)
2024-02-26 17:51:47 +00:00
thread_nt.h
gh-116012: Preserve GetLastError() across calls to TlsGetValue on Windows (GH-116014)
2024-02-28 13:58:25 +00:00
thread_pthread_stubs.h
GH-110829: Ensure Thread.join() joins the OS thread (#110848)
2023-11-04 13:59:24 +00:00
thread_pthread.h
gh-110850: Cleanup PyTime API: PyTime_t are nanoseconds (#115753)
2024-02-21 11:46:00 +01:00
thread.c
gh-110850: Cleanup PyTime API: PyTime_t are nanoseconds (#115753)
2024-02-21 11:46:00 +01:00
tier2_engine.md
GH-112354: Initial implementation of warm up on exits and trace-stitching (GH-114142)
2024-02-20 09:39:55 +00:00
traceback.c
GH-113655: Lower the C recursion limit on various platforms (GH-113944)
2024-01-16 09:32:01 +00:00
tracemalloc.c
…
vm-state.md
High level docs for the VM state (#111621)
2023-11-01 22:55:10 +00:00

README 

Miscellaneous source files for the main Python shared library
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