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GH-118093: Add tier two support for LOAD_ATTR_PROPERTY (GH-122283)

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Brandt Bucher 2024-07-25 10:45:28 -07:00 • committed by GitHub
parent 5e686ff57d
commit 5f6001130f
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9 changed files with 168 additions and 99 deletions
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30
Python/bytecodes.c
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@ -2243,32 +2243,30 @@ dummy_func(
unused/2 +
_LOAD_ATTR_CLASS;
inst(LOAD_ATTR_PROPERTY, (unused/1, type_version/2, func_version/2, fget/4, owner -- unused, unused if (0))) {
PyObject *owner_o = PyStackRef_AsPyObjectBorrow(owner);
op(_LOAD_ATTR_PROPERTY_FRAME, (fget/4, owner -- new_frame: _PyInterpreterFrame *)) {
assert((oparg & 1) == 0);
DEOPT_IF(tstate->interp->eval_frame);
PyTypeObject *cls = Py_TYPE(owner_o);
assert(type_version != 0);
DEOPT_IF(cls->tp_version_tag != type_version);
assert(Py_IS_TYPE(fget, &PyFunction_Type));
PyFunctionObject *f = (PyFunctionObject *)fget;
assert(func_version != 0);
DEOPT_IF(f->func_version != func_version);
PyCodeObject *code = (PyCodeObject *)f->func_code;
assert(code->co_argcount == 1);
DEOPT_IF((code->co_flags & (CO_VARKEYWORDS | CO_VARARGS | CO_OPTIMIZED)) != CO_OPTIMIZED);
DEOPT_IF(code->co_kwonlyargcount);
DEOPT_IF(code->co_argcount != 1);
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize));
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(fget);
_PyInterpreterFrame *new_frame = _PyFrame_PushUnchecked(tstate, f, 1);
// Manipulate stack directly because we exit with DISPATCH_INLINED().
STACK_SHRINK(1);
new_frame = _PyFrame_PushUnchecked(tstate, f, 1);
new_frame->localsplus[0] = owner;
frame->return_offset = (uint16_t)(next_instr - this_instr);
DISPATCH_INLINED(new_frame);
}
macro(LOAD_ATTR_PROPERTY) =
unused/1 +
_CHECK_PEP_523 +
_GUARD_TYPE_VERSION +
unused/2 +
_LOAD_ATTR_PROPERTY_FRAME +
_SAVE_RETURN_OFFSET +
_PUSH_FRAME;
inst(LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN, (unused/1, type_version/2, func_version/2, getattribute/4, owner -- unused, unused if (0))) {
PyObject *owner_o = PyStackRef_AsPyObjectBorrow(owner);