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GH-118093: Add tier two support for LOAD_ATTR_PROPERTY #122283

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Merged
merged 2 commits into from
Jul 25, 2024
Merged

GH-118093: Add tier two support for LOAD_ATTR_PROPERTY #122283

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0b4c6da
Add tier two support for LOAD_ATTR_PROPERTY
brandtbucher Jul 17, 2024
872144c
Remove old code
brandtbucher Jul 25, 2024
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5 changes: 3 additions & 2 deletions Include/internal/pycore_opcode_metadata.h
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98 changes: 49 additions & 49 deletions Include/internal/pycore_uop_ids.h
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4 changes: 4 additions & 0 deletions Include/internal/pycore_uop_metadata.h
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30 changes: 14 additions & 16 deletions Python/bytecodes.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2262,32 +2262,30 @@ 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);

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34 changes: 33 additions & 1 deletion Python/executor_cases.c.h
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79 changes: 55 additions & 24 deletions Python/generated_cases.c.h
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5 changes: 4 additions & 1 deletion Python/optimizer.c
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Original file line number Diff line number Diff line change
Expand Up @@ -797,7 +797,10 @@ translate_bytecode_to_trace(

if (uop == _PUSH_FRAME) {
assert(i + 1 == nuops);
if (opcode == FOR_ITER_GEN || opcode == SEND_GEN) {
if (opcode == FOR_ITER_GEN ||
opcode == LOAD_ATTR_PROPERTY ||
opcode == SEND_GEN)
{
DPRINTF(2, "Bailing due to dynamic target\n");
ADD_TO_TRACE(uop, oparg, 0, target);
ADD_TO_TRACE(_DYNAMIC_EXIT, 0, 0, 0);
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