cpython: 7cd479573de9 (original) (raw)

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changeset 102758:7cd479573de9

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() [#27128]

Victor Stinner victor.stinner@gmail.com
date	Fri, 19 Aug 2016 16:44:19 +0200
parents	89e4ad001f3d
children	34af2edface9
files	Objects/abstract.c
diffstat	1 files changed, 6 insertions(+), 13 deletions(-)[+] [-] Objects/abstract.c 19

line wrap: on

line diff

--- a/Objects/abstract.c +++ b/Objects/abstract.c @@ -2272,27 +2272,20 @@ exit: static PyObject* call_function_tail(PyObject *callable, PyObject *args) {

PyObject *retval;

PyObject *result;

if (args == NULL) return NULL; if (!PyTuple_Check(args)) {

```
   PyObject *a;[](#l1.14)
```

```
   a = PyTuple_New(1);[](#l1.16)
```
```
   if (a == NULL) {[](#l1.17)
```
```
       Py_DECREF(args);[](#l1.18)
```
```
       return NULL;[](#l1.19)
```
```
   }[](#l1.20)
```

   PyTuple_SET_ITEM(a, 0, args);[](#l1.21)

```
   args = a;[](#l1.22)
```

   result = _PyObject_FastCall(callable, &args, 1, NULL);[](#l1.23)

}

retval = PyObject_Call(callable, args, NULL);

else {

   result = PyObject_Call(callable, args, NULL);[](#l1.27)

}

Py_DECREF(args); -

return retval;

return result;

} PyObject *