cpython: 6eb586b85fa1 (original) (raw)

Mercurial > cpython

changeset 102775:6eb586b85fa1

Issue #27128: slot_sq_item() uses fast call slot_sq_item() now calls _PyObject_FastCall() to avoid the creation of a temporary tuple of 1 item to pass the 'item' argument to the slot function. [#27128]

Victor Stinner victor.stinner@gmail.com
date	Fri, 19 Aug 2016 18:19:42 +0200
parents	2d2bc1906b5b
children	605a42a50496
files	Objects/typeobject.c
diffstat	1 files changed, 3 insertions(+), 10 deletions(-)[+] [-] Objects/typeobject.c 13

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line diff

--- a/Objects/typeobject.c +++ b/Objects/typeobject.c @@ -5808,7 +5808,7 @@ slot_sq_length(PyObject *self) static PyObject * slot_sq_item(PyObject *self, Py_ssize_t i) {

PyObject *func, *ival = NULL, *args, *retval = NULL;

PyObject *func, *ival = NULL, *retval = NULL; descrgetfunc f; func = PyType_LookupId(Py_TYPE(self), &PyId___getitem_); @@ -5834,20 +5834,13 @@ slot_sq_item(PyObject *self, Py_ssize_t goto error; }

args = PyTuple_New(1);
if (args == NULL) {
```
   goto error;[](#l1.18)
```
}

PyTuple_SET_ITEM(args, 0, ival);
retval = PyObject_Call(func, args, NULL);

retval = _PyObject_FastCall(func, &ival, 1, NULL); Py_DECREF(func);

Py_DECREF(args);

Py_DECREF(ival); return retval; error: Py_DECREF(func);

Py_XDECREF(ival); return NULL; }