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gh-90667: Add specializations of Py_DECREF when types are known (GH-30872)

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Dennis Sweeney 2022-04-19 14:02:19 -04:00 • committed by GitHub
parent ab0d35d70d
commit da6c78584b
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13 changed files with 147 additions and 85 deletions
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43
Objects/floatobject.c
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@ -238,28 +238,41 @@ PyFloat_FromString(PyObject *v)
return result;
}
static void
float_dealloc(PyFloatObject *op)
void
_PyFloat_ExactDealloc(PyObject *obj)
{
assert(PyFloat_CheckExact(obj));
PyFloatObject *op = (PyFloatObject *)obj;
#if PyFloat_MAXFREELIST > 0
struct _Py_float_state *state = get_float_state();
#ifdef Py_DEBUG
// float_dealloc() must not be called after _PyFloat_Fini()
assert(state->numfree != -1);
#endif
if (state->numfree >= PyFloat_MAXFREELIST) {
PyObject_Free(op);
return;
}
state->numfree++;
Py_SET_TYPE(op, (PyTypeObject *)state->free_list);
state->free_list = op;
#else
PyObject_Free(op);
#endif
}
static void
float_dealloc(PyObject *op)
{
assert(PyFloat_Check(op));
#if PyFloat_MAXFREELIST > 0
if (PyFloat_CheckExact(op)) {
struct _Py_float_state *state = get_float_state();
#ifdef Py_DEBUG
// float_dealloc() must not be called after _PyFloat_Fini()
assert(state->numfree != -1);
#endif
if (state->numfree >= PyFloat_MAXFREELIST) {
PyObject_Free(op);
return;
}
state->numfree++;
Py_SET_TYPE(op, (PyTypeObject *)state->free_list);
state->free_list = op;
_PyFloat_ExactDealloc(op);
}
else
#endif
{
Py_TYPE(op)->tp_free((PyObject *)op);
Py_TYPE(op)->tp_free(op);
}
}