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GH-127705: Use _PyStackRefs in the default build. (GH-127875)

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Mark Shannon 2025-03-10 14:06:56 +00:00 • committed by GitHub
parent 7cc99a54b7
commit 2bef8ea8ea
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21 changed files with 688 additions and 254 deletions
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31
Objects/floatobject.c
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@ -136,34 +136,37 @@ PyFloat_FromDouble(double fval)
#ifdef Py_GIL_DISABLED
PyObject *_PyFloat_FromDouble_ConsumeInputs(_PyStackRef left, _PyStackRef right, double value)
_PyStackRef _PyFloat_FromDouble_ConsumeInputs(_PyStackRef left, _PyStackRef right, double value)
{
PyStackRef_CLOSE(left);
PyStackRef_CLOSE(right);
return PyFloat_FromDouble(value);
PyStackRef_CLOSE_SPECIALIZED(left, _PyFloat_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(right, _PyFloat_ExactDealloc);
return PyStackRef_FromPyObjectSteal(PyFloat_FromDouble(value));
}
#else // Py_GIL_DISABLED
PyObject *_PyFloat_FromDouble_ConsumeInputs(_PyStackRef left, _PyStackRef right, double value)
_PyStackRef _PyFloat_FromDouble_ConsumeInputs(_PyStackRef left, _PyStackRef right, double value)
{
PyObject *left_o = PyStackRef_AsPyObjectSteal(left);
PyObject *right_o = PyStackRef_AsPyObjectSteal(right);
PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);
if (Py_REFCNT(left_o) == 1) {
((PyFloatObject *)left_o)->ob_fval = value;
_Py_DECREF_SPECIALIZED(right_o, _PyFloat_ExactDealloc);
return left_o;
PyStackRef_CLOSE_SPECIALIZED(right, _PyFloat_ExactDealloc);
return left;
}
else if (Py_REFCNT(right_o) == 1) {
((PyFloatObject *)right_o)->ob_fval = value;
_Py_DECREF_NO_DEALLOC(left_o);
return right_o;
PyStackRef_CLOSE_SPECIALIZED(left, _PyFloat_ExactDealloc);
return right;
}
else {
PyObject *result = PyFloat_FromDouble(value);
_Py_DECREF_NO_DEALLOC(left_o);
_Py_DECREF_NO_DEALLOC(right_o);
return result;
PyStackRef_CLOSE_SPECIALIZED(left, _PyFloat_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(right, _PyFloat_ExactDealloc);
if (result == NULL) {
return PyStackRef_NULL;
}
return PyStackRef_FromPyObjectStealMortal(result);
}
}

3
Objects/object.c
View file

@ -2540,6 +2540,9 @@ _Py_SetImmortalUntracked(PyObject *op)
op->ob_ref_local = _Py_IMMORTAL_REFCNT_LOCAL;
op->ob_ref_shared = 0;
_Py_atomic_or_uint8(&op->ob_gc_bits, _PyGC_BITS_DEFERRED);
#elif SIZEOF_VOID_P > 4
op->ob_flags = _Py_IMMORTAL_FLAGS;
op->ob_refcnt = _Py_IMMORTAL_INITIAL_REFCNT;
#else
op->ob_refcnt = _Py_IMMORTAL_INITIAL_REFCNT;
#endif