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Issue #28665: Harmonize STORE_DEREF with STORE_FAST and LOAD_DEREF giving a 40% speedup.

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This commit is contained in:
Raymond Hettinger 2016-11-11 04:31:18 -08:00
parent a27c064428
commit 13527123a1
2 changed files with 5 additions and 2 deletions
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5
Python/ceval.c
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@ -2462,8 +2462,9 @@ _PyEval_EvalFrameDefault(PyFrameObject *f, int throwflag)
TARGET(STORE_DEREF) {
PyObject *v = POP();
PyObject *cell = freevars[oparg];
PyCell_Set(cell, v);
Py_DECREF(v);
PyObject *oldobj = PyCell_GET(cell);
PyCell_SET(cell, v);
Py_XDECREF(oldobj);
DISPATCH();
}