call_function_tail() uses fast call
Issue #27128: Modify call_function_tail() to use _PyObject_FastCall() when args
is not a tuple to avoid the creation of a temporary tuple.
call_function_tail() is used by:
* PyObject_CallFunction()
* PyObject_CallMethod()
* _PyObject_CallMethodId()
diff --git a/Objects/abstract.c b/Objects/abstract.c
index 36401a8..1a63c6b 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -2272,27 +2272,20 @@
static PyObject*
call_function_tail(PyObject *callable, PyObject *args)
{
- PyObject *retval;
+ PyObject *result;
if (args == NULL)
return NULL;
if (!PyTuple_Check(args)) {
- PyObject *a;
-
- a = PyTuple_New(1);
- if (a == NULL) {
- Py_DECREF(args);
- return NULL;
- }
- PyTuple_SET_ITEM(a, 0, args);
- args = a;
+ result = _PyObject_FastCall(callable, &args, 1, NULL);
}
- retval = PyObject_Call(callable, args, NULL);
+ else {
+ result = PyObject_Call(callable, args, NULL);
+ }
Py_DECREF(args);
-
- return retval;
+ return result;
}
PyObject *