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GH-120024: Remove CHECK_EVAL_BREAKER macro. (GH-122968)

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* Factor some instructions into micro-ops to isolate CHECK_EVAL_BREAKER for escape analysis

* Eliminate CHECK_EVAL_BREAKER macro
This commit is contained in:
Mark Shannon 2024-08-14 12:04:05 +01:00 • committed by GitHub
parent 315a933a5b
commit eec7bdaf01
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GPG key ID: B5690EEEBB952194
16 changed files with 821 additions and 518 deletions
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133
Python/bytecodes.c
View file

@ -10,6 +10,7 @@
#include "pycore_abstract.h" // _PyIndex_Check()
#include "pycore_backoff.h"
#include "pycore_cell.h" // PyCell_GetRef()
#include "pycore_ceval.h"
#include "pycore_code.h"
#include "pycore_emscripten_signal.h" // _Py_CHECK_EMSCRIPTEN_SIGNALS
#include "pycore_function.h"
@ -146,36 +147,54 @@ dummy_func(
RESUME_CHECK,
};
tier1 inst(RESUME, (--)) {
assert(frame == tstate->current_frame);
op(_CHECK_PERIODIC, (--)) {
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
ERROR_IF(err != 0, error);
}
}
op(_CHECK_PERIODIC_IF_NOT_YIELD_FROM, (--)) {
if ((oparg & RESUME_OPARG_LOCATION_MASK) < RESUME_AFTER_YIELD_FROM) {
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
ERROR_IF(err != 0, error);
}
}
}
op(_QUICKEN_RESUME, (--)) {
#if ENABLE_SPECIALIZATION
if (tstate->tracing == 0 && this_instr->op.code == RESUME) {
FT_ATOMIC_STORE_UINT8_RELAXED(this_instr->op.code, RESUME_CHECK);
}
#endif /* ENABLE_SPECIALIZATION */
}
tier1 op(_MAYBE_INSTRUMENT, (--)) {
if (tstate->tracing == 0) {
uintptr_t global_version =
_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) &
~_PY_EVAL_EVENTS_MASK;
PyCodeObject* code = _PyFrame_GetCode(frame);
uintptr_t code_version = FT_ATOMIC_LOAD_UINTPTR_ACQUIRE(code->_co_instrumentation_version);
assert((code_version & 255) == 0);
uintptr_t global_version = _Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & ~_PY_EVAL_EVENTS_MASK;
uintptr_t code_version = FT_ATOMIC_LOAD_UINTPTR_ACQUIRE(_PyFrame_GetCode(frame)->_co_instrumentation_version);
if (code_version != global_version) {
int err = _Py_Instrument(_PyFrame_GetCode(frame), tstate->interp);
ERROR_IF(err, error);
if (err) {
ERROR_NO_POP();
}
next_instr = this_instr;
DISPATCH();
}
assert(this_instr->op.code == RESUME ||
this_instr->op.code == RESUME_CHECK ||
this_instr->op.code == INSTRUMENTED_RESUME ||
this_instr->op.code == ENTER_EXECUTOR);
if (this_instr->op.code == RESUME) {
#if ENABLE_SPECIALIZATION
FT_ATOMIC_STORE_UINT8_RELAXED(this_instr->op.code, RESUME_CHECK);
#endif /* ENABLE_SPECIALIZATION */
}
}
if ((oparg & RESUME_OPARG_LOCATION_MASK) < RESUME_AFTER_YIELD_FROM) {
CHECK_EVAL_BREAKER();
}
}
macro(RESUME) =
_MAYBE_INSTRUMENT +
_QUICKEN_RESUME +
_CHECK_PERIODIC_IF_NOT_YIELD_FROM;
inst(RESUME_CHECK, (--)) {
#if defined(__EMSCRIPTEN__)
DEOPT_IF(_Py_emscripten_signal_clock == 0);
@ -187,33 +206,23 @@ dummy_func(
DEOPT_IF(eval_breaker != version);
}
inst(INSTRUMENTED_RESUME, (--)) {
uintptr_t global_version = _Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & ~_PY_EVAL_EVENTS_MASK;
uintptr_t code_version = FT_ATOMIC_LOAD_UINTPTR_ACQUIRE(_PyFrame_GetCode(frame)->_co_instrumentation_version);
if (code_version != global_version && tstate->tracing == 0) {
int err = _Py_Instrument(_PyFrame_GetCode(frame), tstate->interp);
if (err) {
ERROR_NO_POP();
}
next_instr = this_instr;
}
else {
if ((oparg & RESUME_OPARG_LOCATION_MASK) < RESUME_AFTER_YIELD_FROM) {
CHECK_EVAL_BREAKER();
}
_PyFrame_SetStackPointer(frame, stack_pointer);
int err = _Py_call_instrumentation(
tstate, oparg > 0, frame, this_instr);
stack_pointer = _PyFrame_GetStackPointer(frame);
ERROR_IF(err, error);
if (frame->instr_ptr != this_instr) {
/* Instrumentation has jumped */
next_instr = frame->instr_ptr;
DISPATCH();
}
op(_MONITOR_RESUME, (--)) {
_PyFrame_SetStackPointer(frame, stack_pointer);
int err = _Py_call_instrumentation(
tstate, oparg > 0, frame, this_instr);
stack_pointer = _PyFrame_GetStackPointer(frame);
ERROR_IF(err, error);
if (frame->instr_ptr != this_instr) {
/* Instrumentation has jumped */
next_instr = frame->instr_ptr;
}
}
macro(INSTRUMENTED_RESUME) =
_MAYBE_INSTRUMENT +
_CHECK_PERIODIC_IF_NOT_YIELD_FROM +
_MONITOR_RESUME;
pseudo(LOAD_CLOSURE, (-- unused)) = {
LOAD_FAST,
};
@ -2486,8 +2495,7 @@ dummy_func(
JUMPBY(oparg);
}
tier1 inst(JUMP_BACKWARD, (unused/1 --)) {
CHECK_EVAL_BREAKER();
tier1 op(_JUMP_BACKWARD, (the_counter/1 --)) {
assert(oparg <= INSTR_OFFSET());
JUMPBY(-oparg);
#ifdef _Py_TIER2
@ -2519,6 +2527,10 @@ dummy_func(
#endif /* _Py_TIER2 */
}
macro(JUMP_BACKWARD) =
_CHECK_PERIODIC +
_JUMP_BACKWARD;
pseudo(JUMP, (--)) = {
JUMP_FORWARD,
JUMP_BACKWARD,
@ -3265,10 +3277,6 @@ dummy_func(
res = PyStackRef_FromPyObjectSteal(res_o);
}
op(_CHECK_PERIODIC, (--)) {
CHECK_EVAL_BREAKER();
}
op(_MONITOR_CALL, (func, maybe_self, args[oparg] -- func, maybe_self, args[oparg])) {
int is_meth = !PyStackRef_IsNull(maybe_self);
PyObject *function = PyStackRef_AsPyObjectBorrow(func);
@ -4012,7 +4020,7 @@ dummy_func(
GO_TO_INSTRUCTION(CALL_KW);
}
inst(CALL_KW, (callable, self_or_null, args[oparg], kwnames -- res)) {
op(_DO_CALL_KW, (callable, self_or_null, args[oparg], kwnames -- res)) {
PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable);
PyObject *self_or_null_o = PyStackRef_AsPyObjectBorrow(self_or_null);
PyObject *kwnames_o = PyStackRef_AsPyObjectBorrow(kwnames);
@ -4094,14 +4102,17 @@ dummy_func(
}
ERROR_IF(res_o == NULL, error);
res = PyStackRef_FromPyObjectSteal(res_o);
CHECK_EVAL_BREAKER();
}
macro(CALL_KW) =
_DO_CALL_KW +
_CHECK_PERIODIC;
inst(INSTRUMENTED_CALL_FUNCTION_EX, ( -- )) {
GO_TO_INSTRUCTION(CALL_FUNCTION_EX);
}
inst(CALL_FUNCTION_EX, (func_st, unused, callargs_st, kwargs_st if (oparg & 1) -- result)) {
inst(_DO_CALL_FUNCTION_EX, (func_st, unused, callargs_st, kwargs_st if (oparg & 1) -- result)) {
PyObject *func = PyStackRef_AsPyObjectBorrow(func_st);
PyObject *callargs = PyStackRef_AsPyObjectBorrow(callargs_st);
PyObject *kwargs = PyStackRef_AsPyObjectBorrow(kwargs_st);
@ -4175,9 +4186,13 @@ dummy_func(
DECREF_INPUTS();
assert(PyStackRef_AsPyObjectBorrow(PEEK(2 + (oparg & 1))) == NULL);
ERROR_IF(PyStackRef_IsNull(result), error);
CHECK_EVAL_BREAKER();
}
macro(CALL_FUNCTION_EX) =
_DO_CALL_FUNCTION_EX +
_CHECK_PERIODIC;
inst(MAKE_FUNCTION, (codeobj_st -- func)) {
PyObject *codeobj = PyStackRef_AsPyObjectBorrow(codeobj_st);
@ -4381,11 +4396,15 @@ dummy_func(
INSTRUMENTED_JUMP(this_instr, next_instr + oparg, PY_MONITORING_EVENT_JUMP);
}
inst(INSTRUMENTED_JUMP_BACKWARD, (unused/1 -- )) {
CHECK_EVAL_BREAKER();
op(_MONITOR_JUMP_BACKWARD, (-- )) {
INSTRUMENTED_JUMP(this_instr, next_instr - oparg, PY_MONITORING_EVENT_JUMP);
}
macro(INSTRUMENTED_JUMP_BACKWARD) =
unused/1 +
_CHECK_PERIODIC +
_MONITOR_JUMP_BACKWARD;
inst(INSTRUMENTED_POP_JUMP_IF_TRUE, (unused/1 -- )) {
_PyStackRef cond = POP();
assert(PyStackRef_BoolCheck(cond));

10
Python/ceval_macros.h
View file

@ -133,16 +133,6 @@ do { \
// Use this instead of 'goto error' so Tier 2 can go to a different label
#define GOTO_ERROR(LABEL) goto LABEL
#define CHECK_EVAL_BREAKER() \
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY(); \
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) { \
if (_Py_HandlePending(tstate) != 0) { \
GOTO_ERROR(error); \
} \
}
/* Tuple access macros */
#ifndef Py_DEBUG

38
Python/executor_cases.c.h generated
View file

@ -12,6 +12,31 @@
break;
}
case _CHECK_PERIODIC: {
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) JUMP_TO_ERROR();
}
break;
}
case _CHECK_PERIODIC_IF_NOT_YIELD_FROM: {
oparg = CURRENT_OPARG();
if ((oparg & RESUME_OPARG_LOCATION_MASK) < RESUME_AFTER_YIELD_FROM) {
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) JUMP_TO_ERROR();
}
}
break;
}
/* _QUICKEN_RESUME is not a viable micro-op for tier 2 because it uses the 'this_instr' variable */
case _RESUME_CHECK: {
#if defined(__EMSCRIPTEN__)
if (_Py_emscripten_signal_clock == 0) {
@ -30,7 +55,7 @@
break;
}
/* _INSTRUMENTED_RESUME is not a viable micro-op for tier 2 because it is instrumented */
/* _MONITOR_RESUME is not a viable micro-op for tier 2 because it uses the 'this_instr' variable */
case _LOAD_FAST_CHECK: {
_PyStackRef value;
@ -3555,11 +3580,6 @@
/* _DO_CALL is not a viable micro-op for tier 2 because it uses the 'this_instr' variable */
case _CHECK_PERIODIC: {
CHECK_EVAL_BREAKER();
break;
}
/* _MONITOR_CALL is not a viable micro-op for tier 2 because it uses the 'this_instr' variable */
case _PY_FRAME_GENERAL: {
@ -4657,11 +4677,11 @@
/* _INSTRUMENTED_CALL_KW is not a viable micro-op for tier 2 because it is instrumented */
/* _CALL_KW is not a viable micro-op for tier 2 because it uses the 'this_instr' variable */
/* _DO_CALL_KW is not a viable micro-op for tier 2 because it uses the 'this_instr' variable */
/* _INSTRUMENTED_CALL_FUNCTION_EX is not a viable micro-op for tier 2 because it is instrumented */
/* _CALL_FUNCTION_EX is not a viable micro-op for tier 2 because it uses the 'this_instr' variable */
/* __DO_CALL_FUNCTION_EX is not a viable micro-op for tier 2 because it uses the 'this_instr' variable */
case _MAKE_FUNCTION: {
_PyStackRef codeobj_st;
@ -4882,7 +4902,7 @@
/* _INSTRUMENTED_JUMP_FORWARD is not a viable micro-op for tier 2 because it is instrumented */
/* _INSTRUMENTED_JUMP_BACKWARD is not a viable micro-op for tier 2 because it is instrumented */
/* _MONITOR_JUMP_BACKWARD is not a viable micro-op for tier 2 because it uses the 'this_instr' variable */
/* _INSTRUMENTED_POP_JUMP_IF_TRUE is not a viable micro-op for tier 2 because it is instrumented */

740
Python/generated_cases.c.h generated
View file

@ -949,11 +949,21 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
}
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -1275,11 +1285,21 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
}
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -1344,11 +1364,21 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
}
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -1412,11 +1442,21 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
}
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -1466,11 +1506,21 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
}
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -1485,89 +1535,105 @@
_PyStackRef callargs_st;
_PyStackRef kwargs_st = PyStackRef_NULL;
_PyStackRef result;
// __DO_CALL_FUNCTION_EX
if (oparg & 1) { kwargs_st = stack_pointer[-(oparg & 1)]; }
callargs_st = stack_pointer[-1 - (oparg & 1)];
func_st = stack_pointer[-3 - (oparg & 1)];
PyObject *func = PyStackRef_AsPyObjectBorrow(func_st);
PyObject *callargs = PyStackRef_AsPyObjectBorrow(callargs_st);
PyObject *kwargs = PyStackRef_AsPyObjectBorrow(kwargs_st);
// DICT_MERGE is called before this opcode if there are kwargs.
// It converts all dict subtypes in kwargs into regular dicts.
assert(kwargs == NULL || PyDict_CheckExact(kwargs));
if (!PyTuple_CheckExact(callargs)) {
int err = check_args_iterable(tstate, func, callargs);
if (err < 0) {
goto error;
}
PyObject *tuple = PySequence_Tuple(callargs);
if (tuple == NULL) {
goto error;
}
PyStackRef_CLOSE(callargs_st);
callargs_st = PyStackRef_FromPyObjectSteal(tuple);
callargs = tuple;
}
assert(PyTuple_CheckExact(callargs));
EVAL_CALL_STAT_INC_IF_FUNCTION(EVAL_CALL_FUNCTION_EX, func);
if (opcode == INSTRUMENTED_CALL_FUNCTION_EX) {
PyObject *arg = PyTuple_GET_SIZE(callargs) > 0 ?
PyTuple_GET_ITEM(callargs, 0) : &_PyInstrumentation_MISSING;
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_CALL,
frame, this_instr, func, arg);
if (err) goto error;
result = PyStackRef_FromPyObjectSteal(PyObject_Call(func, callargs, kwargs));
if (!PyFunction_Check(func) && !PyMethod_Check(func)) {
if (PyStackRef_IsNull(result)) {
_Py_call_instrumentation_exc2(
tstate, PY_MONITORING_EVENT_C_RAISE,
frame, this_instr, func, arg);
{
PyObject *func = PyStackRef_AsPyObjectBorrow(func_st);
PyObject *callargs = PyStackRef_AsPyObjectBorrow(callargs_st);
PyObject *kwargs = PyStackRef_AsPyObjectBorrow(kwargs_st);
// DICT_MERGE is called before this opcode if there are kwargs.
// It converts all dict subtypes in kwargs into regular dicts.
assert(kwargs == NULL || PyDict_CheckExact(kwargs));
if (!PyTuple_CheckExact(callargs)) {
int err = check_args_iterable(tstate, func, callargs);
if (err < 0) {
goto error;
}
else {
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_C_RETURN,
frame, this_instr, func, arg);
if (err < 0) {
PyStackRef_CLEAR(result);
PyObject *tuple = PySequence_Tuple(callargs);
if (tuple == NULL) {
goto error;
}
PyStackRef_CLOSE(callargs_st);
callargs_st = PyStackRef_FromPyObjectSteal(tuple);
callargs = tuple;
}
assert(PyTuple_CheckExact(callargs));
EVAL_CALL_STAT_INC_IF_FUNCTION(EVAL_CALL_FUNCTION_EX, func);
if (opcode == INSTRUMENTED_CALL_FUNCTION_EX) {
PyObject *arg = PyTuple_GET_SIZE(callargs) > 0 ?
PyTuple_GET_ITEM(callargs, 0) : &_PyInstrumentation_MISSING;
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_CALL,
frame, this_instr, func, arg);
if (err) goto error;
result = PyStackRef_FromPyObjectSteal(PyObject_Call(func, callargs, kwargs));
if (!PyFunction_Check(func) && !PyMethod_Check(func)) {
if (PyStackRef_IsNull(result)) {
_Py_call_instrumentation_exc2(
tstate, PY_MONITORING_EVENT_C_RAISE,
frame, this_instr, func, arg);
}
else {
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_C_RETURN,
frame, this_instr, func, arg);
if (err < 0) {
PyStackRef_CLEAR(result);
}
}
}
}
else {
if (Py_TYPE(func) == &PyFunction_Type &&
tstate->interp->eval_frame == NULL &&
((PyFunctionObject *)func)->vectorcall == _PyFunction_Vectorcall) {
assert(PyTuple_CheckExact(callargs));
Py_ssize_t nargs = PyTuple_GET_SIZE(callargs);
int code_flags = ((PyCodeObject *)PyFunction_GET_CODE(func))->co_flags;
PyObject *locals = code_flags & CO_OPTIMIZED ? NULL : Py_NewRef(PyFunction_GET_GLOBALS(func));
_PyInterpreterFrame *new_frame = _PyEvalFramePushAndInit_Ex(tstate,
(PyFunctionObject *)PyStackRef_AsPyObjectSteal(func_st), locals,
nargs, callargs, kwargs);
// Need to manually shrink the stack since we exit with DISPATCH_INLINED.
STACK_SHRINK(oparg + 3);
if (new_frame == NULL) {
goto error;
}
assert(next_instr - this_instr == 1);
frame->return_offset = 1;
DISPATCH_INLINED(new_frame);
}
result = PyStackRef_FromPyObjectSteal(PyObject_Call(func, callargs, kwargs));
}
PyStackRef_CLOSE(func_st);
PyStackRef_CLOSE(callargs_st);
PyStackRef_XCLOSE(kwargs_st);
assert(PyStackRef_AsPyObjectBorrow(PEEK(2 + (oparg & 1))) == NULL);
if (PyStackRef_IsNull(result)) {
stack_pointer += -3 - (oparg & 1);
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
else {
if (Py_TYPE(func) == &PyFunction_Type &&
tstate->interp->eval_frame == NULL &&
((PyFunctionObject *)func)->vectorcall == _PyFunction_Vectorcall) {
assert(PyTuple_CheckExact(callargs));
Py_ssize_t nargs = PyTuple_GET_SIZE(callargs);
int code_flags = ((PyCodeObject *)PyFunction_GET_CODE(func))->co_flags;
PyObject *locals = code_flags & CO_OPTIMIZED ? NULL : Py_NewRef(PyFunction_GET_GLOBALS(func));
_PyInterpreterFrame *new_frame = _PyEvalFramePushAndInit_Ex(tstate,
(PyFunctionObject *)PyStackRef_AsPyObjectSteal(func_st), locals,
nargs, callargs, kwargs);
// Need to manually shrink the stack since we exit with DISPATCH_INLINED.
STACK_SHRINK(oparg + 3);
if (new_frame == NULL) {
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-3 - (oparg & 1)] = result;
stack_pointer += -2 - (oparg & 1);
assert(WITHIN_STACK_BOUNDS());
goto error;
}
assert(next_instr - this_instr == 1);
frame->return_offset = 1;
DISPATCH_INLINED(new_frame);
}
result = PyStackRef_FromPyObjectSteal(PyObject_Call(func, callargs, kwargs));
}
PyStackRef_CLOSE(func_st);
PyStackRef_CLOSE(callargs_st);
PyStackRef_XCLOSE(kwargs_st);
assert(PyStackRef_AsPyObjectBorrow(PEEK(2 + (oparg & 1))) == NULL);
if (PyStackRef_IsNull(result)) {
stack_pointer += -3 - (oparg & 1);
assert(WITHIN_STACK_BOUNDS());
goto error;
}
stack_pointer[-3 - (oparg & 1)] = result;
stack_pointer += -2 - (oparg & 1);
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -1664,107 +1730,123 @@
_PyStackRef *args;
_PyStackRef kwnames;
_PyStackRef res;
// _DO_CALL_KW
kwnames = stack_pointer[-1];
args = &stack_pointer[-1 - oparg];
self_or_null = stack_pointer[-2 - oparg];
callable = stack_pointer[-3 - oparg];
PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable);
PyObject *self_or_null_o = PyStackRef_AsPyObjectBorrow(self_or_null);
PyObject *kwnames_o = PyStackRef_AsPyObjectBorrow(kwnames);
// oparg counts all of the args, but *not* self:
int total_args = oparg;
if (self_or_null_o != NULL) {
args--;
total_args++;
}
if (self_or_null_o == NULL && Py_TYPE(callable_o) == &PyMethod_Type) {
args--;
total_args++;
PyObject *self = ((PyMethodObject *)callable_o)->im_self;
args[0] = PyStackRef_FromPyObjectNew(self);
PyObject *method = ((PyMethodObject *)callable_o)->im_func;
args[-1] = PyStackRef_FromPyObjectNew(method);
PyStackRef_CLOSE(callable);
callable_o = method;
callable = args[-1];
}
int positional_args = total_args - (int)PyTuple_GET_SIZE(kwnames_o);
// Check if the call can be inlined or not
if (Py_TYPE(callable_o) == &PyFunction_Type &&
tstate->interp->eval_frame == NULL &&
((PyFunctionObject *)callable_o)->vectorcall == _PyFunction_Vectorcall)
{
int code_flags = ((PyCodeObject*)PyFunction_GET_CODE(callable_o))->co_flags;
PyObject *locals = code_flags & CO_OPTIMIZED ? NULL : Py_NewRef(PyFunction_GET_GLOBALS(callable_o));
_PyInterpreterFrame *new_frame = _PyEvalFramePushAndInit(
tstate, (PyFunctionObject *)PyStackRef_AsPyObjectSteal(callable), locals,
args, positional_args, kwnames_o
);
PyStackRef_CLOSE(kwnames);
// Manipulate stack directly since we leave using DISPATCH_INLINED().
STACK_SHRINK(oparg + 3);
// The frame has stolen all the arguments from the stack,
// so there is no need to clean them up.
if (new_frame == NULL) {
goto error;
PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable);
PyObject *self_or_null_o = PyStackRef_AsPyObjectBorrow(self_or_null);
PyObject *kwnames_o = PyStackRef_AsPyObjectBorrow(kwnames);
// oparg counts all of the args, but *not* self:
int total_args = oparg;
if (self_or_null_o != NULL) {
args--;
total_args++;
}
assert(next_instr - this_instr == 1);
frame->return_offset = 1;
DISPATCH_INLINED(new_frame);
}
/* Callable is not a normal Python function */
STACKREFS_TO_PYOBJECTS(args, total_args, args_o);
if (CONVERSION_FAILED(args_o)) {
if (self_or_null_o == NULL && Py_TYPE(callable_o) == &PyMethod_Type) {
args--;
total_args++;
PyObject *self = ((PyMethodObject *)callable_o)->im_self;
args[0] = PyStackRef_FromPyObjectNew(self);
PyObject *method = ((PyMethodObject *)callable_o)->im_func;
args[-1] = PyStackRef_FromPyObjectNew(method);
PyStackRef_CLOSE(callable);
callable_o = method;
callable = args[-1];
}
int positional_args = total_args - (int)PyTuple_GET_SIZE(kwnames_o);
// Check if the call can be inlined or not
if (Py_TYPE(callable_o) == &PyFunction_Type &&
tstate->interp->eval_frame == NULL &&
((PyFunctionObject *)callable_o)->vectorcall == _PyFunction_Vectorcall)
{
int code_flags = ((PyCodeObject*)PyFunction_GET_CODE(callable_o))->co_flags;
PyObject *locals = code_flags & CO_OPTIMIZED ? NULL : Py_NewRef(PyFunction_GET_GLOBALS(callable_o));
_PyInterpreterFrame *new_frame = _PyEvalFramePushAndInit(
tstate, (PyFunctionObject *)PyStackRef_AsPyObjectSteal(callable), locals,
args, positional_args, kwnames_o
);
PyStackRef_CLOSE(kwnames);
// Manipulate stack directly since we leave using DISPATCH_INLINED().
STACK_SHRINK(oparg + 3);
// The frame has stolen all the arguments from the stack,
// so there is no need to clean them up.
if (new_frame == NULL) {
goto error;
}
assert(next_instr - this_instr == 1);
frame->return_offset = 1;
DISPATCH_INLINED(new_frame);
}
/* Callable is not a normal Python function */
STACKREFS_TO_PYOBJECTS(args, total_args, args_o);
if (CONVERSION_FAILED(args_o)) {
PyStackRef_CLOSE(callable);
PyStackRef_CLOSE(self_or_null);
for (int _i = oparg; --_i >= 0;) {
PyStackRef_CLOSE(args[_i]);
}
PyStackRef_CLOSE(kwnames);
if (true) {
stack_pointer += -3 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
PyObject *res_o = PyObject_Vectorcall(
callable_o, args_o,
positional_args | PY_VECTORCALL_ARGUMENTS_OFFSET,
kwnames_o);
STACKREFS_TO_PYOBJECTS_CLEANUP(args_o);
if (opcode == INSTRUMENTED_CALL_KW) {
PyObject *arg = total_args == 0 ?
&_PyInstrumentation_MISSING : PyStackRef_AsPyObjectBorrow(args[0]);
if (res_o == NULL) {
_Py_call_instrumentation_exc2(
tstate, PY_MONITORING_EVENT_C_RAISE,
frame, this_instr, callable_o, arg);
}
else {
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_C_RETURN,
frame, this_instr, callable_o, arg);
if (err < 0) {
Py_CLEAR(res_o);
}
}
}
PyStackRef_CLOSE(kwnames);
assert((res_o != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
PyStackRef_CLOSE(callable);
PyStackRef_CLOSE(self_or_null);
for (int _i = oparg; --_i >= 0;) {
PyStackRef_CLOSE(args[_i]);
for (int i = 0; i < total_args; i++) {
PyStackRef_CLOSE(args[i]);
}
PyStackRef_CLOSE(kwnames);
if (true) {
if (res_o == NULL) {
stack_pointer += -3 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
res = PyStackRef_FromPyObjectSteal(res_o);
}
PyObject *res_o = PyObject_Vectorcall(
callable_o, args_o,
positional_args | PY_VECTORCALL_ARGUMENTS_OFFSET,
kwnames_o);
STACKREFS_TO_PYOBJECTS_CLEANUP(args_o);
if (opcode == INSTRUMENTED_CALL_KW) {
PyObject *arg = total_args == 0 ?
&_PyInstrumentation_MISSING : PyStackRef_AsPyObjectBorrow(args[0]);
if (res_o == NULL) {
_Py_call_instrumentation_exc2(
tstate, PY_MONITORING_EVENT_C_RAISE,
frame, this_instr, callable_o, arg);
}
else {
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_C_RETURN,
frame, this_instr, callable_o, arg);
if (err < 0) {
Py_CLEAR(res_o);
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-3 - oparg] = res;
stack_pointer += -2 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
}
PyStackRef_CLOSE(kwnames);
assert((res_o != NULL) ^ (_PyErr_Occurred(tstate) != NULL));
PyStackRef_CLOSE(callable);
for (int i = 0; i < total_args; i++) {
PyStackRef_CLOSE(args[i]);
}
if (res_o == NULL) {
stack_pointer += -3 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
res = PyStackRef_FromPyObjectSteal(res_o);
stack_pointer[-3 - oparg] = res;
stack_pointer += -2 - oparg;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -1912,11 +1994,21 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
}
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -1983,11 +2075,21 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
}
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -2041,11 +2143,21 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
}
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -2102,11 +2214,21 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
}
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -2175,11 +2297,21 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
}
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -2369,11 +2501,16 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) goto pop_2_error;
}
}
stack_pointer[-3] = res;
stack_pointer += -2;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -2405,11 +2542,16 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) goto pop_2_error;
}
}
stack_pointer[-3] = res;
stack_pointer += -2;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -3736,11 +3878,21 @@
}
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) {
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
goto error;
}
}
}
stack_pointer[-2 - oparg] = res;
stack_pointer += -1 - oparg;
assert(WITHIN_STACK_BOUNDS());
CHECK_EVAL_BREAKER();
DISPATCH();
}
@ -3872,8 +4024,19 @@
next_instr += 2;
INSTRUCTION_STATS(INSTRUMENTED_JUMP_BACKWARD);
/* Skip 1 cache entry */
CHECK_EVAL_BREAKER();
INSTRUMENTED_JUMP(this_instr, next_instr - oparg, PY_MONITORING_EVENT_JUMP);
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) goto error;
}
}
// _MONITOR_JUMP_BACKWARD
{
INSTRUMENTED_JUMP(this_instr, next_instr - oparg, PY_MONITORING_EVENT_JUMP);
}
DISPATCH();
}
@ -4018,19 +4181,34 @@
(void)this_instr;
next_instr += 1;
INSTRUCTION_STATS(INSTRUMENTED_RESUME);
uintptr_t global_version = _Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & ~_PY_EVAL_EVENTS_MASK;
uintptr_t code_version = FT_ATOMIC_LOAD_UINTPTR_ACQUIRE(_PyFrame_GetCode(frame)->_co_instrumentation_version);
if (code_version != global_version && tstate->tracing == 0) {
int err = _Py_Instrument(_PyFrame_GetCode(frame), tstate->interp);
if (err) {
goto error;
// _MAYBE_INSTRUMENT
{
if (tstate->tracing == 0) {
uintptr_t global_version = _Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & ~_PY_EVAL_EVENTS_MASK;
uintptr_t code_version = FT_ATOMIC_LOAD_UINTPTR_ACQUIRE(_PyFrame_GetCode(frame)->_co_instrumentation_version);
if (code_version != global_version) {
int err = _Py_Instrument(_PyFrame_GetCode(frame), tstate->interp);
if (err) {
goto error;
}
next_instr = this_instr;
DISPATCH();
}
}
next_instr = this_instr;
}
else {
// _CHECK_PERIODIC_IF_NOT_YIELD_FROM
{
if ((oparg & RESUME_OPARG_LOCATION_MASK) < RESUME_AFTER_YIELD_FROM) {
CHECK_EVAL_BREAKER();
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) goto error;
}
}
}
// _MONITOR_RESUME
{
_PyFrame_SetStackPointer(frame, stack_pointer);
int err = _Py_call_instrumentation(
tstate, oparg > 0, frame, this_instr);
@ -4039,7 +4217,6 @@
if (frame->instr_ptr != this_instr) {
/* Instrumentation has jumped */
next_instr = frame->instr_ptr;
DISPATCH();
}
}
DISPATCH();
@ -4244,37 +4421,49 @@
(void)this_instr;
next_instr += 2;
INSTRUCTION_STATS(JUMP_BACKWARD);
/* Skip 1 cache entry */
CHECK_EVAL_BREAKER();
assert(oparg <= INSTR_OFFSET());
JUMPBY(-oparg);
#ifdef _Py_TIER2
#if ENABLE_SPECIALIZATION
_Py_BackoffCounter counter = this_instr[1].counter;
if (backoff_counter_triggers(counter) && this_instr->op.code == JUMP_BACKWARD) {
_Py_CODEUNIT *start = this_instr;
/* Back up over EXTENDED_ARGs so optimizer sees the whole instruction */
while (oparg > 255) {
oparg >>= 8;
start--;
// _CHECK_PERIODIC
{
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) goto error;
}
_PyExecutorObject *executor;
int optimized = _PyOptimizer_Optimize(frame, start, stack_pointer, &executor, 0);
if (optimized < 0) goto error;
if (optimized) {
assert(tstate->previous_executor == NULL);
tstate->previous_executor = Py_None;
GOTO_TIER_TWO(executor);
}
// _JUMP_BACKWARD
{
uint16_t the_counter = read_u16(&this_instr[1].cache);
(void)the_counter;
assert(oparg <= INSTR_OFFSET());
JUMPBY(-oparg);
#ifdef _Py_TIER2
#if ENABLE_SPECIALIZATION
_Py_BackoffCounter counter = this_instr[1].counter;
if (backoff_counter_triggers(counter) && this_instr->op.code == JUMP_BACKWARD) {
_Py_CODEUNIT *start = this_instr;
/* Back up over EXTENDED_ARGs so optimizer sees the whole instruction */
while (oparg > 255) {
oparg >>= 8;
start--;
}
_PyExecutorObject *executor;
int optimized = _PyOptimizer_Optimize(frame, start, stack_pointer, &executor, 0);
if (optimized < 0) goto error;
if (optimized) {
assert(tstate->previous_executor == NULL);
tstate->previous_executor = Py_None;
GOTO_TIER_TWO(executor);
}
else {
this_instr[1].counter = restart_backoff_counter(counter);
}
}
else {
this_instr[1].counter = restart_backoff_counter(counter);
ADVANCE_ADAPTIVE_COUNTER(this_instr[1].counter);
}
#endif /* ENABLE_SPECIALIZATION */
#endif /* _Py_TIER2 */
}
else {
ADVANCE_ADAPTIVE_COUNTER(this_instr[1].counter);
}
#endif /* ENABLE_SPECIALIZATION */
#endif /* _Py_TIER2 */
DISPATCH();
}
@ -5889,32 +6078,39 @@
PREDICTED(RESUME);
_Py_CODEUNIT *this_instr = next_instr - 1;
(void)this_instr;
assert(frame == tstate->current_frame);
if (tstate->tracing == 0) {
uintptr_t global_version =
_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) &
~_PY_EVAL_EVENTS_MASK;
PyCodeObject* code = _PyFrame_GetCode(frame);
uintptr_t code_version = FT_ATOMIC_LOAD_UINTPTR_ACQUIRE(code->_co_instrumentation_version);
assert((code_version & 255) == 0);
if (code_version != global_version) {
int err = _Py_Instrument(_PyFrame_GetCode(frame), tstate->interp);
if (err) goto error;
next_instr = this_instr;
DISPATCH();
}
assert(this_instr->op.code == RESUME ||
this_instr->op.code == RESUME_CHECK ||
this_instr->op.code == INSTRUMENTED_RESUME ||
this_instr->op.code == ENTER_EXECUTOR);
if (this_instr->op.code == RESUME) {
#if ENABLE_SPECIALIZATION
FT_ATOMIC_STORE_UINT8_RELAXED(this_instr->op.code, RESUME_CHECK);
#endif /* ENABLE_SPECIALIZATION */
// _MAYBE_INSTRUMENT
{
if (tstate->tracing == 0) {
uintptr_t global_version = _Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & ~_PY_EVAL_EVENTS_MASK;
uintptr_t code_version = FT_ATOMIC_LOAD_UINTPTR_ACQUIRE(_PyFrame_GetCode(frame)->_co_instrumentation_version);
if (code_version != global_version) {
int err = _Py_Instrument(_PyFrame_GetCode(frame), tstate->interp);
if (err) {
goto error;
}
next_instr = this_instr;
DISPATCH();
}
}
}
if ((oparg & RESUME_OPARG_LOCATION_MASK) < RESUME_AFTER_YIELD_FROM) {
CHECK_EVAL_BREAKER();
// _QUICKEN_RESUME
{
#if ENABLE_SPECIALIZATION
if (tstate->tracing == 0 && this_instr->op.code == RESUME) {
FT_ATOMIC_STORE_UINT8_RELAXED(this_instr->op.code, RESUME_CHECK);
}
#endif /* ENABLE_SPECIALIZATION */
}
// _CHECK_PERIODIC_IF_NOT_YIELD_FROM
{
if ((oparg & RESUME_OPARG_LOCATION_MASK) < RESUME_AFTER_YIELD_FROM) {
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate); \
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
int err = _Py_HandlePending(tstate);
if (err != 0) goto error;
}
}
}
DISPATCH();
}
@ -7108,4 +7304,98 @@
assert(WITHIN_STACK_BOUNDS());
DISPATCH();
}
TARGET(_DO_CALL_FUNCTION_EX) {
_Py_CODEUNIT *this_instr = frame->instr_ptr = next_instr;
(void)this_instr;
next_instr += 1;
INSTRUCTION_STATS(_DO_CALL_FUNCTION_EX);
_PyStackRef func_st;
_PyStackRef callargs_st;
_PyStackRef kwargs_st = PyStackRef_NULL;
_PyStackRef result;
if (oparg & 1) { kwargs_st = stack_pointer[-(oparg & 1)]; }
callargs_st = stack_pointer[-1 - (oparg & 1)];
func_st = stack_pointer[-3 - (oparg & 1)];
PyObject *func = PyStackRef_AsPyObjectBorrow(func_st);
PyObject *callargs = PyStackRef_AsPyObjectBorrow(callargs_st);
PyObject *kwargs = PyStackRef_AsPyObjectBorrow(kwargs_st);
// DICT_MERGE is called before this opcode if there are kwargs.
// It converts all dict subtypes in kwargs into regular dicts.
assert(kwargs == NULL || PyDict_CheckExact(kwargs));
if (!PyTuple_CheckExact(callargs)) {
int err = check_args_iterable(tstate, func, callargs);
if (err < 0) {
goto error;
}
PyObject *tuple = PySequence_Tuple(callargs);
if (tuple == NULL) {
goto error;
}
PyStackRef_CLOSE(callargs_st);
callargs_st = PyStackRef_FromPyObjectSteal(tuple);
callargs = tuple;
}
assert(PyTuple_CheckExact(callargs));
EVAL_CALL_STAT_INC_IF_FUNCTION(EVAL_CALL_FUNCTION_EX, func);
if (opcode == INSTRUMENTED_CALL_FUNCTION_EX) {
PyObject *arg = PyTuple_GET_SIZE(callargs) > 0 ?
PyTuple_GET_ITEM(callargs, 0) : &_PyInstrumentation_MISSING;
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_CALL,
frame, this_instr, func, arg);
if (err) goto error;
result = PyStackRef_FromPyObjectSteal(PyObject_Call(func, callargs, kwargs));
if (!PyFunction_Check(func) && !PyMethod_Check(func)) {
if (PyStackRef_IsNull(result)) {
_Py_call_instrumentation_exc2(
tstate, PY_MONITORING_EVENT_C_RAISE,
frame, this_instr, func, arg);
}
else {
int err = _Py_call_instrumentation_2args(
tstate, PY_MONITORING_EVENT_C_RETURN,
frame, this_instr, func, arg);
if (err < 0) {
PyStackRef_CLEAR(result);
}
}
}
}
else {
if (Py_TYPE(func) == &PyFunction_Type &&
tstate->interp->eval_frame == NULL &&
((PyFunctionObject *)func)->vectorcall == _PyFunction_Vectorcall) {
assert(PyTuple_CheckExact(callargs));
Py_ssize_t nargs = PyTuple_GET_SIZE(callargs);
int code_flags = ((PyCodeObject *)PyFunction_GET_CODE(func))->co_flags;
PyObject *locals = code_flags & CO_OPTIMIZED ? NULL : Py_NewRef(PyFunction_GET_GLOBALS(func));
_PyInterpreterFrame *new_frame = _PyEvalFramePushAndInit_Ex(tstate,
(PyFunctionObject *)PyStackRef_AsPyObjectSteal(func_st), locals,
nargs, callargs, kwargs);
// Need to manually shrink the stack since we exit with DISPATCH_INLINED.
STACK_SHRINK(oparg + 3);
if (new_frame == NULL) {
goto error;
}
assert(next_instr - this_instr == 1);
frame->return_offset = 1;
DISPATCH_INLINED(new_frame);
}
result = PyStackRef_FromPyObjectSteal(PyObject_Call(func, callargs, kwargs));
}
PyStackRef_CLOSE(func_st);
PyStackRef_CLOSE(callargs_st);
PyStackRef_XCLOSE(kwargs_st);
assert(PyStackRef_AsPyObjectBorrow(PEEK(2 + (oparg & 1))) == NULL);
if (PyStackRef_IsNull(result)) {
stack_pointer += -3 - (oparg & 1);
assert(WITHIN_STACK_BOUNDS());
goto error;
}
stack_pointer[-3 - (oparg & 1)] = result;
stack_pointer += -2 - (oparg & 1);
assert(WITHIN_STACK_BOUNDS());
DISPATCH();
}
#undef TIER_ONE

6
Python/opcode_targets.h generated
View file

@ -115,7 +115,7 @@ static void *opcode_targets[256] = {
&&TARGET_UNPACK_EX,
&&TARGET_UNPACK_SEQUENCE,
&&TARGET_YIELD_VALUE,
&&_unknown_opcode,
&&TARGET__DO_CALL_FUNCTION_EX,
&&_unknown_opcode,
&&_unknown_opcode,
&&_unknown_opcode,
@ -235,7 +235,6 @@ static void *opcode_targets[256] = {
&&_unknown_opcode,
&&_unknown_opcode,
&&_unknown_opcode,
&&TARGET_INSTRUMENTED_RESUME,
&&TARGET_INSTRUMENTED_END_FOR,
&&TARGET_INSTRUMENTED_END_SEND,
&&TARGET_INSTRUMENTED_LOAD_SUPER_ATTR,
@ -244,15 +243,16 @@ static void *opcode_targets[256] = {
&&TARGET_INSTRUMENTED_CALL_FUNCTION_EX,
&&TARGET_INSTRUMENTED_INSTRUCTION,
&&TARGET_INSTRUMENTED_JUMP_FORWARD,
&&TARGET_INSTRUMENTED_JUMP_BACKWARD,
&&TARGET_INSTRUMENTED_POP_JUMP_IF_TRUE,
&&TARGET_INSTRUMENTED_POP_JUMP_IF_FALSE,
&&TARGET_INSTRUMENTED_POP_JUMP_IF_NONE,
&&TARGET_INSTRUMENTED_POP_JUMP_IF_NOT_NONE,
&&TARGET_INSTRUMENTED_RESUME,
&&TARGET_INSTRUMENTED_RETURN_VALUE,
&&TARGET_INSTRUMENTED_RETURN_CONST,
&&TARGET_INSTRUMENTED_YIELD_VALUE,
&&TARGET_INSTRUMENTED_CALL,
&&TARGET_INSTRUMENTED_JUMP_BACKWARD,
&&TARGET_INSTRUMENTED_LINE,
&&TARGET_ENTER_EXECUTOR,
};

22
Python/optimizer_cases.c.h generated
View file

@ -7,11 +7,21 @@
break;
}
case _CHECK_PERIODIC: {
break;
}
case _CHECK_PERIODIC_IF_NOT_YIELD_FROM: {
break;
}
/* _QUICKEN_RESUME is not a viable micro-op for tier 2 */
case _RESUME_CHECK: {
break;
}
/* _INSTRUMENTED_RESUME is not a viable micro-op for tier 2 */
/* _MONITOR_RESUME is not a viable micro-op for tier 2 */
case _LOAD_FAST_CHECK: {
_Py_UopsSymbol *value;
@ -1644,10 +1654,6 @@
/* _DO_CALL is not a viable micro-op for tier 2 */
case _CHECK_PERIODIC: {
break;
}
/* _MONITOR_CALL is not a viable micro-op for tier 2 */
case _PY_FRAME_GENERAL: {
@ -1966,11 +1972,11 @@
/* _INSTRUMENTED_CALL_KW is not a viable micro-op for tier 2 */
/* _CALL_KW is not a viable micro-op for tier 2 */
/* _DO_CALL_KW is not a viable micro-op for tier 2 */
/* _INSTRUMENTED_CALL_FUNCTION_EX is not a viable micro-op for tier 2 */
/* _CALL_FUNCTION_EX is not a viable micro-op for tier 2 */
/* __DO_CALL_FUNCTION_EX is not a viable micro-op for tier 2 */
case _MAKE_FUNCTION: {
_Py_UopsSymbol *func;
@ -2100,7 +2106,7 @@
/* _INSTRUMENTED_JUMP_FORWARD is not a viable micro-op for tier 2 */
/* _INSTRUMENTED_JUMP_BACKWARD is not a viable micro-op for tier 2 */
/* _MONITOR_JUMP_BACKWARD is not a viable micro-op for tier 2 */
/* _INSTRUMENTED_POP_JUMP_IF_TRUE is not a viable micro-op for tier 2 */