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gh-121459: Deferred LOAD_GLOBAL (GH-123128)

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Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Sam Gross <655866+colesbury@users.noreply.github.com>
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Ken Jin 2024-09-14 00:23:51 +08:00 • committed by GitHub
parent 74330d992b
commit 8810e286fa
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8 changed files with 108 additions and 29 deletions
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12
Python/bytecodes.c
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@ -1469,8 +1469,8 @@ dummy_func(
&& PyDict_CheckExact(BUILTINS()))
{
v_o = _PyDict_LoadGlobal((PyDictObject *)GLOBALS(),
(PyDictObject *)BUILTINS(),
name);
(PyDictObject *)BUILTINS(),
name);
if (v_o == NULL) {
if (!_PyErr_Occurred(tstate)) {
/* _PyDict_LoadGlobal() returns NULL without raising
@ -1526,12 +1526,12 @@ dummy_func(
#endif /* ENABLE_SPECIALIZATION */
}
op(_LOAD_GLOBAL, ( -- res, null if (oparg & 1))) {
// res[1] because we need a pointer to res to pass it to _PyEval_LoadGlobalStackRef
op(_LOAD_GLOBAL, ( -- res[1], null if (oparg & 1))) {
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
PyObject *res_o = _PyEval_LoadGlobal(GLOBALS(), BUILTINS(), name);
ERROR_IF(res_o == NULL, error);
_PyEval_LoadGlobalStackRef(GLOBALS(), BUILTINS(), name, res);
ERROR_IF(PyStackRef_IsNull(*res), error);
null = PyStackRef_NULL;
res = PyStackRef_FromPyObjectSteal(res_o);
}
macro(LOAD_GLOBAL) =