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gh-134584: Eliminate redundant refcounting from `_CALL_LEN` (gh-136104)

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Donghee Na 2025-12-12 00:24:34 +09:00 • committed by GitHub
parent c433986005
commit a27538540e
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9 changed files with 54 additions and 41 deletions
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13
Python/bytecodes.c
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@ -4280,7 +4280,9 @@ dummy_func(
unused/2 +
_GUARD_NOS_NULL +
_GUARD_CALLABLE_LEN +
_CALL_LEN;
_CALL_LEN +
POP_TOP +
POP_TOP;
op(_GUARD_CALLABLE_LEN, (callable, unused, unused -- callable, unused, unused)){
PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable);
@ -4288,9 +4290,8 @@ dummy_func(
DEOPT_IF(callable_o != interp->callable_cache.len);
}
op(_CALL_LEN, (callable, null, arg -- res)) {
op(_CALL_LEN, (callable, null, arg -- res, a, c)) {
/* len(o) */
(void)null;
STAT_INC(CALL, hit);
PyObject *arg_o = PyStackRef_AsPyObjectBorrow(arg);
Py_ssize_t len_i = PyObject_Length(arg_o);
@ -4302,9 +4303,9 @@ dummy_func(
if (res_o == NULL) {
ERROR_NO_POP();
}
PyStackRef_CLOSE(arg);
DEAD(null);
PyStackRef_CLOSE(callable);
a = arg;
c = callable;
INPUTS_DEAD();
res = PyStackRef_FromPyObjectSteal(res_o);
}