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gh-117139: Add _PyTuple_FromStackRefSteal and use it (#121244)

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Avoids the extra conversion from stack refs to PyObjects.
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Sam Gross 2024-07-02 12:30:14 -04:00 • committed by GitHub
parent 1ac273224a
commit 8e8d202f55
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8 changed files with 28 additions and 33 deletions
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Python/ceval.c
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@ -1500,13 +1500,7 @@ initialize_locals(PyThreadState *tstate, PyFunctionObject *func,
u = (PyObject *)&_Py_SINGLETON(tuple_empty);
}
else {
assert(args != NULL);
STACKREFS_TO_PYOBJECTS((_PyStackRef *)args, argcount, args_o);
if (args_o == NULL) {
goto fail_pre_positional;
}
u = _PyTuple_FromArraySteal((args_o + n), argcount - n);
STACKREFS_TO_PYOBJECTS_CLEANUP(args_o);
u = _PyTuple_FromStackRefSteal(args + n, argcount - n);
}
if (u == NULL) {
goto fail_post_positional;