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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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9
Python/generated_cases.c.h generated
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@ -5674,7 +5674,7 @@
PREDICTED(LOAD_GLOBAL);
_Py_CODEUNIT *this_instr = next_instr - 5;
(void)this_instr;
_PyStackRef res;
_PyStackRef *res;
_PyStackRef null = PyStackRef_NULL;
// _SPECIALIZE_LOAD_GLOBAL
{
@ -5696,13 +5696,12 @@
/* Skip 1 cache entry */
// _LOAD_GLOBAL
{
res = &stack_pointer[0];
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
PyObject *res_o = _PyEval_LoadGlobal(GLOBALS(), BUILTINS(), name);
if (res_o == NULL) goto error;
_PyEval_LoadGlobalStackRef(GLOBALS(), BUILTINS(), name, res);
if (PyStackRef_IsNull(*res)) goto error;
null = PyStackRef_NULL;
res = PyStackRef_FromPyObjectSteal(res_o);
}
stack_pointer[0] = res;
if (oparg & 1) stack_pointer[1] = null;
stack_pointer += 1 + (oparg & 1);
assert(WITHIN_STACK_BOUNDS());