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gh-93911: Specialize LOAD_ATTR_PROPERTY (GH-93912)

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Ken Jin 2022-06-17 23:13:17 +08:00 • committed by GitHub
parent 0ff626f210
commit a51742ab82
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12 changed files with 172 additions and 71 deletions
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46
Python/ceval.c
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@ -3626,7 +3626,6 @@ handle_eval_breaker:
}
TARGET(LOAD_ATTR_CLASS) {
/* LOAD_METHOD, for class methods */
assert(cframe.use_tracing == 0);
_PyLoadMethodCache *cache = (_PyLoadMethodCache *)next_instr;
@ -3649,6 +3648,46 @@ handle_eval_breaker:
NOTRACE_DISPATCH();
}
TARGET(LOAD_ATTR_PROPERTY) {
assert(cframe.use_tracing == 0);
DEOPT_IF(tstate->interp->eval_frame, LOAD_ATTR);
_PyLoadMethodCache *cache = (_PyLoadMethodCache *)next_instr;
PyObject *owner = TOP();
PyTypeObject *cls = Py_TYPE(owner);
uint32_t type_version = read_u32(cache->type_version);
DEOPT_IF(cls->tp_version_tag != type_version, LOAD_ATTR);
assert(type_version != 0);
PyObject *fget = read_obj(cache->descr);
PyFunctionObject *f = (PyFunctionObject *)fget;
uint32_t func_version = read_u32(cache->keys_version);
assert(func_version != 0);
DEOPT_IF(f->func_version != func_version, LOAD_ATTR);
PyCodeObject *code = (PyCodeObject *)f->func_code;
assert(code->co_argcount == 1);
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(fget);
_PyInterpreterFrame *new_frame = _PyFrame_Push(tstate, f);
if (new_frame == NULL) {
goto error;
}
SET_TOP(NULL);
int push_null = !(oparg & 1);
STACK_SHRINK(push_null);
new_frame->localsplus[0] = owner;
for (int i = 1; i < code->co_nlocalsplus; i++) {
new_frame->localsplus[i] = NULL;
}
_PyFrame_SetStackPointer(frame, stack_pointer);
JUMPBY(INLINE_CACHE_ENTRIES_LOAD_ATTR);
frame->prev_instr = next_instr - 1;
new_frame->previous = frame;
frame = cframe.current_frame = new_frame;
CALL_STAT_INC(inlined_py_calls);
goto start_frame;
}
TARGET(STORE_ATTR_ADAPTIVE) {
assert(cframe.use_tracing == 0);
_PyAttrCache *cache = (_PyAttrCache *)next_instr;
@ -4548,7 +4587,7 @@ handle_eval_breaker:
}
TARGET(LOAD_ATTR_METHOD_WITH_VALUES) {
/* LOAD_METHOD, with cached method object */
/* Cached method object */
assert(cframe.use_tracing == 0);
PyObject *self = TOP();
PyTypeObject *self_cls = Py_TYPE(self);
@ -4574,8 +4613,7 @@ handle_eval_breaker:
}
TARGET(LOAD_ATTR_METHOD_WITH_DICT) {
/* LOAD_METHOD, with a dict
Can be either a managed dict, or a tp_dictoffset offset.*/
/* Can be either a managed dict, or a tp_dictoffset offset.*/
assert(cframe.use_tracing == 0);
PyObject *self = TOP();
PyTypeObject *self_cls = Py_TYPE(self);