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GH-134584: Remove redundant refcount from _STORE_ATTR_SLOT (#142729)

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Savannah Ostrowski 2025-12-15 15:18:44 -08:00 • committed by GitHub
parent f277781bba
commit bef63d2fb8
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9 changed files with 70 additions and 17 deletions
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14
Python/executor_cases.c.h generated
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@ -8786,11 +8786,12 @@
break;
}
case _STORE_ATTR_SLOT_r20: {
case _STORE_ATTR_SLOT_r21: {
CHECK_CURRENT_CACHED_VALUES(2);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef owner;
_PyStackRef value;
_PyStackRef o;
_PyStackRef _stack_item_0 = _tos_cache0;
_PyStackRef _stack_item_1 = _tos_cache1;
owner = _stack_item_1;
@ -8809,14 +8810,19 @@
PyObject *old_value = *(PyObject **)addr;
FT_ATOMIC_STORE_PTR_RELEASE(*(PyObject **)addr, PyStackRef_AsPyObjectSteal(value));
UNLOCK_OBJECT(owner_o);
o = owner;
stack_pointer[0] = o;
stack_pointer += 1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
_PyFrame_SetStackPointer(frame, stack_pointer);
PyStackRef_CLOSE(owner);
Py_XDECREF(old_value);
stack_pointer = _PyFrame_GetStackPointer(frame);
_tos_cache0 = PyStackRef_ZERO_BITS;
_tos_cache0 = o;
_tos_cache1 = PyStackRef_ZERO_BITS;
_tos_cache2 = PyStackRef_ZERO_BITS;
SET_CURRENT_CACHED_VALUES(0);
SET_CURRENT_CACHED_VALUES(1);
stack_pointer += -1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}