// This file contains instruction definitions.

// It is read by generators stored in Tools/cases_generator/

// to generate Python/generated_cases.c.h and others.

// Note that there is some dummy C code at the top and bottom of the file

// to fool text editors like VS Code into believing this is valid C code.

// The actual instruction definitions start at // BEGIN BYTECODES //.

// See Tools/cases_generator/README.md for more information.

#include "Python.h"

#include "pycore_abstract.h" // _PyIndex_Check()

#include "pycore_audit.h" // _PySys_Audit()

#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"

#include "pycore_instruments.h"

#include "pycore_intrinsics.h"

#include "pycore_long.h" // _PyLong_GetZero()

#include "pycore_moduleobject.h" // PyModuleObject

#include "pycore_object.h" // _PyObject_GC_TRACK()

#include "pycore_opcode_metadata.h" // uop names

#include "pycore_opcode_utils.h" // MAKE_FUNCTION_*

#include "pycore_pyatomic_ft_wrappers.h" // FT_ATOMIC_*

#include "pycore_pyerrors.h" // _PyErr_GetRaisedException()

#include "pycore_pystate.h" // _PyInterpreterState_GET()

#include "pycore_range.h" // _PyRangeIterObject

#include "pycore_long.h" // _PyLong_ExactDealloc()

#include "pycore_setobject.h" // _PySet_NextEntry()

#include "pycore_sliceobject.h" // _PyBuildSlice_ConsumeRefs

#include "pycore_stackref.h"

#include "pycore_tuple.h" // _PyTuple_ITEMS()

#include "pycore_typeobject.h" // _PySuper_Lookup()

#include "pycore_dict.h"

#include "dictobject.h"

#include "pycore_frame.h"

#include "opcode.h"

#include "optimizer.h"

#include "pydtrace.h"

#include "setobject.h"

#define USE_COMPUTED_GOTOS 0

#include "ceval_macros.h"

/* Flow control macros */

#define inst(name, ...) case name:

#define op(name, ...) /* NAME is ignored */

#define macro(name) static int MACRO_##name

#define super(name) static int SUPER_##name

#define family(name, ...) static int family_##name

#define pseudo(name) static int pseudo_##name

#define label(name) name:

/* Annotations */

#define guard

#define override

#define specializing

#define replicate(TIMES)

#define tier1

#define no_save_ip

// Dummy variables for stack effects.

static PyObject *value, *value1, *value2, *left, *right, *res, *sum, *prod, *sub;

static PyObject *container, *start, *stop, *v, *lhs, *rhs, *res2;

static PyObject *list, *tuple, *dict, *owner, *set, *str, *tup, *map, *keys;

static PyObject *exit_func, *lasti, *val, *retval, *obj, *iter, *exhausted;

static PyObject *aiter, *awaitable, *iterable, *w, *exc_value, *bc, *locals;

static PyObject *orig, *excs, *update, *b, *fromlist, *level, *from;

static PyObject **pieces, **values;

static size_t jump;

// Dummy variables for cache effects

static uint16_t invert, counter, index, hint;

#define unused 0 // Used in a macro def, can't be static

static uint32_t type_version;

static _PyExecutorObject *current_executor;

static PyObject *

dummy_func(

PyThreadState *tstate,

_PyInterpreterFrame *frame,

unsigned char opcode,

unsigned int oparg,

_Py_CODEUNIT *next_instr,

PyObject **stack_pointer,

int throwflag,

PyObject *args[]

)

{

// Dummy labels.

pop_1_error:

// Dummy locals.

PyObject *dummy;

_Py_CODEUNIT *this_instr;

PyObject *attr;

PyObject *attrs;

PyObject *bottom;

PyObject *callable;

PyObject *callargs;

PyObject *codeobj;

PyObject *cond;

PyObject *descr;

PyObject *exc;

PyObject *exit;

PyObject *fget;

PyObject *fmt_spec;

PyObject *func;

uint32_t func_version;

PyObject *getattribute;

PyObject *kwargs;

PyObject *kwdefaults;

PyObject *len_o;

PyObject *match;

PyObject *match_type;

PyObject *method;

PyObject *mgr;

Py_ssize_t min_args;

PyObject *names;

PyObject *new_exc;

PyObject *next;

PyObject *none;

PyObject *null;

PyObject *prev_exc;

PyObject *receiver;

PyObject *rest;

int result;

PyObject *self;

PyObject *seq;

PyObject *slice;

PyObject *step;

PyObject *subject;

PyObject *top;

PyObject *type;

PyObject *typevars;

PyObject *val0;

PyObject *val1;

int values_or_none;

switch (opcode) {

// BEGIN BYTECODES //

pure inst(NOP, (--)) {

}

family(RESUME, 0) = {

RESUME_CHECK,

};

macro(NOT_TAKEN) = NOP;

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);

}

}

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);

}

}

}

op(_QUICKEN_RESUME, (--)) {

#if ENABLE_SPECIALIZATION_FT

if (tstate->tracing == 0 && this_instr->op.code == RESUME) {

FT_ATOMIC_STORE_UINT8_RELAXED(this_instr->op.code, RESUME_CHECK);

}

#endif /* ENABLE_SPECIALIZATION_FT */

}

tier1 op(_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) {

ERROR_NO_POP();

}

next_instr = this_instr;

DISPATCH();

}

}

}

op(_LOAD_BYTECODE, (--)) {

#ifdef Py_GIL_DISABLED

if (frame->tlbc_index !=

((_PyThreadStateImpl *)tstate)->tlbc_index) {

_Py_CODEUNIT *bytecode =

_PyEval_GetExecutableCode(tstate, _PyFrame_GetCode(frame));

ERROR_IF(bytecode == NULL);

ptrdiff_t off = this_instr - _PyFrame_GetBytecode(frame);

frame->tlbc_index = ((_PyThreadStateImpl *)tstate)->tlbc_index;

frame->instr_ptr = bytecode + off;

// Make sure this_instr gets reset correctly for any uops that

// follow

next_instr = frame->instr_ptr;

DISPATCH();

}

#endif

}

macro(RESUME) =

_LOAD_BYTECODE +

_MAYBE_INSTRUMENT +

_QUICKEN_RESUME +

_CHECK_PERIODIC_IF_NOT_YIELD_FROM;

inst(RESUME_CHECK, (--)) {

#if defined(__EMSCRIPTEN__)

DEOPT_IF(_Py_emscripten_signal_clock == 0);

_Py_emscripten_signal_clock -= Py_EMSCRIPTEN_SIGNAL_HANDLING;

#endif

uintptr_t eval_breaker = _Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker);

uintptr_t version = FT_ATOMIC_LOAD_UINTPTR_ACQUIRE(_PyFrame_GetCode(frame)->_co_instrumentation_version);

assert((version & _PY_EVAL_EVENTS_MASK) == 0);

DEOPT_IF(eval_breaker != version);

#ifdef Py_GIL_DISABLED

DEOPT_IF(frame->tlbc_index !=

((_PyThreadStateImpl *)tstate)->tlbc_index);

#endif

}

op(_MONITOR_RESUME, (--)) {

int err = _Py_call_instrumentation(

tstate, oparg > 0, frame, this_instr);

ERROR_IF(err);

if (frame->instr_ptr != this_instr) {

/* Instrumentation has jumped */

next_instr = frame->instr_ptr;

}

}

macro(INSTRUMENTED_RESUME) =

_LOAD_BYTECODE +

_MAYBE_INSTRUMENT +

_CHECK_PERIODIC_IF_NOT_YIELD_FROM +

_MONITOR_RESUME;

pseudo(LOAD_CLOSURE, (-- unused)) = {

LOAD_FAST,

};

inst(LOAD_FAST_CHECK, (-- value)) {

_PyStackRef value_s = GETLOCAL(oparg);

if (PyStackRef_IsNull(value_s)) {

_PyEval_FormatExcCheckArg(tstate, PyExc_UnboundLocalError,

UNBOUNDLOCAL_ERROR_MSG,

PyTuple_GetItem(_PyFrame_GetCode(frame)->co_localsplusnames, oparg)

);

ERROR_IF(true);

}

value = PyStackRef_DUP(value_s);

}

replicate(8) pure inst(LOAD_FAST, (-- value)) {

assert(!PyStackRef_IsNull(GETLOCAL(oparg)));

value = PyStackRef_DUP(GETLOCAL(oparg));

}

replicate(8) pure inst (LOAD_FAST_BORROW, (-- value)) {

assert(!PyStackRef_IsNull(GETLOCAL(oparg)));

value = PyStackRef_Borrow(GETLOCAL(oparg));

}

inst(LOAD_FAST_AND_CLEAR, (-- value)) {

value = GETLOCAL(oparg);

GETLOCAL(oparg) = PyStackRef_NULL;

}

inst(LOAD_FAST_LOAD_FAST, ( -- value1, value2)) {

uint32_t oparg1 = oparg >> 4;

uint32_t oparg2 = oparg & 15;

value1 = PyStackRef_DUP(GETLOCAL(oparg1));

value2 = PyStackRef_DUP(GETLOCAL(oparg2));

}

inst(LOAD_FAST_BORROW_LOAD_FAST_BORROW, ( -- value1, value2)) {

uint32_t oparg1 = oparg >> 4;

uint32_t oparg2 = oparg & 15;

value1 = PyStackRef_Borrow(GETLOCAL(oparg1));

value2 = PyStackRef_Borrow(GETLOCAL(oparg2));

}

family(LOAD_CONST, 0) = {

LOAD_CONST_MORTAL,

LOAD_CONST_IMMORTAL,

};

inst(LOAD_CONST, (-- value)) {

/* We can't do this in the bytecode compiler as

* marshalling can intern strings and make them immortal. */

PyObject *obj = GETITEM(FRAME_CO_CONSTS, oparg);

value = PyStackRef_FromPyObjectNew(obj);

#if ENABLE_SPECIALIZATION_FT

#ifdef Py_GIL_DISABLED

uint8_t expected = LOAD_CONST;

if (!_Py_atomic_compare_exchange_uint8(

&this_instr->op.code, &expected,

_Py_IsImmortal(obj) ? LOAD_CONST_IMMORTAL : LOAD_CONST_MORTAL)) {

// We might lose a race with instrumentation, which we don't care about.

assert(expected >= MIN_INSTRUMENTED_OPCODE);

}

#else

if (this_instr->op.code == LOAD_CONST) {

this_instr->op.code = _Py_IsImmortal(obj) ? LOAD_CONST_IMMORTAL : LOAD_CONST_MORTAL;

}

#endif

#endif

}

inst(LOAD_CONST_MORTAL, (-- value)) {

PyObject *obj = GETITEM(FRAME_CO_CONSTS, oparg);

value = PyStackRef_FromPyObjectNewMortal(obj);

}

inst(LOAD_CONST_IMMORTAL, (-- value)) {

PyObject *obj = GETITEM(FRAME_CO_CONSTS, oparg);

assert(_Py_IsImmortal(obj));

value = PyStackRef_FromPyObjectImmortal(obj);

}

replicate(4) inst(LOAD_SMALL_INT, (-- value)) {

assert(oparg < _PY_NSMALLPOSINTS);

PyObject *obj = (PyObject *)&_PyLong_SMALL_INTS[_PY_NSMALLNEGINTS + oparg];

value = PyStackRef_FromPyObjectImmortal(obj);

}

replicate(8) inst(STORE_FAST, (value --)) {

assert(

((_PyFrame_GetCode(frame)->co_flags & (CO_COROUTINE | CO_GENERATOR)) == 0) ||

PyStackRef_IsHeapSafe(value)

);

_PyStackRef tmp = GETLOCAL(oparg);

GETLOCAL(oparg) = value;

DEAD(value);

PyStackRef_XCLOSE(tmp);

}

pseudo(STORE_FAST_MAYBE_NULL, (unused --)) = {

STORE_FAST,

};

inst(STORE_FAST_LOAD_FAST, (value1 -- value2)) {

assert(

((_PyFrame_GetCode(frame)->co_flags & (CO_COROUTINE | CO_GENERATOR)) == 0) ||

PyStackRef_IsHeapSafe(value1)

);

uint32_t oparg1 = oparg >> 4;

uint32_t oparg2 = oparg & 15;

_PyStackRef tmp = GETLOCAL(oparg1);

GETLOCAL(oparg1) = value1;

DEAD(value1);

value2 = PyStackRef_DUP(GETLOCAL(oparg2));

PyStackRef_XCLOSE(tmp);

}

inst(STORE_FAST_STORE_FAST, (value2, value1 --)) {

assert(

((_PyFrame_GetCode(frame)->co_flags & (CO_COROUTINE | CO_GENERATOR)) == 0) ||

PyStackRef_IsHeapSafe(value1)

);

assert(

((_PyFrame_GetCode(frame)->co_flags & (CO_COROUTINE | CO_GENERATOR)) == 0) ||

PyStackRef_IsHeapSafe(value2)

);

uint32_t oparg1 = oparg >> 4;

uint32_t oparg2 = oparg & 15;

_PyStackRef tmp = GETLOCAL(oparg1);

GETLOCAL(oparg1) = value1;

DEAD(value1);

PyStackRef_XCLOSE(tmp);

tmp = GETLOCAL(oparg2);

GETLOCAL(oparg2) = value2;

DEAD(value2);

PyStackRef_XCLOSE(tmp);

}

pure inst(POP_TOP, (value --)) {

PyStackRef_CLOSE(value);

}

pure inst(PUSH_NULL, (-- res)) {

res = PyStackRef_NULL;

}

no_save_ip inst(END_FOR, (value -- )) {

/* Don't update instr_ptr, so that POP_ITER sees

* the FOR_ITER as the previous instruction.

* This has the benign side effect that if value is

* finalized it will see the location as the FOR_ITER's.

*/

PyStackRef_CLOSE(value);

}

macro(POP_ITER) = POP_TOP;

no_save_ip tier1 inst(INSTRUMENTED_END_FOR, (receiver, value -- receiver)) {

/* Need to create a fake StopIteration error here,

* to conform to PEP 380 */

if (PyStackRef_GenCheck(receiver)) {

int err = monitor_stop_iteration(tstate, frame, this_instr, PyStackRef_AsPyObjectBorrow(value));

if (err) {

ERROR_NO_POP();

}

}

PyStackRef_CLOSE(value);

}

tier1 inst(INSTRUMENTED_POP_ITER, (iter -- )) {

INSTRUMENTED_JUMP(prev_instr, this_instr+1, PY_MONITORING_EVENT_BRANCH_RIGHT);

PyStackRef_CLOSE(iter);

}

pure inst(END_SEND, (receiver, value -- val)) {

val = value;

DEAD(value);

PyStackRef_CLOSE(receiver);

}

tier1 inst(INSTRUMENTED_END_SEND, (receiver, value -- val)) {

PyObject *receiver_o = PyStackRef_AsPyObjectBorrow(receiver);

if (PyGen_Check(receiver_o) || PyCoro_CheckExact(receiver_o)) {

int err = monitor_stop_iteration(tstate, frame, this_instr, PyStackRef_AsPyObjectBorrow(value));

if (err) {

ERROR_NO_POP();

}

}

val = value;

DEAD(value);

PyStackRef_CLOSE(receiver);

}

inst(UNARY_NEGATIVE, (value -- res)) {

PyObject *res_o = PyNumber_Negative(PyStackRef_AsPyObjectBorrow(value));

PyStackRef_CLOSE(value);

ERROR_IF(res_o == NULL);

res = PyStackRef_FromPyObjectSteal(res_o);

}

pure inst(UNARY_NOT, (value -- res)) {

assert(PyStackRef_BoolCheck(value));

res = PyStackRef_IsFalse(value)

? PyStackRef_True : PyStackRef_False;

DEAD(value);

}

family(TO_BOOL, INLINE_CACHE_ENTRIES_TO_BOOL) = {

TO_BOOL_ALWAYS_TRUE,

TO_BOOL_BOOL,

TO_BOOL_INT,

TO_BOOL_LIST,

TO_BOOL_NONE,

TO_BOOL_STR,

};

specializing op(_SPECIALIZE_TO_BOOL, (counter/1, value -- value)) {

#if ENABLE_SPECIALIZATION_FT

if (ADAPTIVE_COUNTER_TRIGGERS(counter)) {

next_instr = this_instr;

_Py_Specialize_ToBool(value, next_instr);

DISPATCH_SAME_OPARG();

}

OPCODE_DEFERRED_INC(TO_BOOL);

ADVANCE_ADAPTIVE_COUNTER(this_instr[1].counter);

#endif /* ENABLE_SPECIALIZATION_FT */

}

op(_TO_BOOL, (value -- res)) {

int err = PyObject_IsTrue(PyStackRef_AsPyObjectBorrow(value));

PyStackRef_CLOSE(value);

ERROR_IF(err < 0);

res = err ? PyStackRef_True : PyStackRef_False;

}

macro(TO_BOOL) = _SPECIALIZE_TO_BOOL + unused/2 + _TO_BOOL;

inst(TO_BOOL_BOOL, (unused/1, unused/2, value -- value)) {

EXIT_IF(!PyStackRef_BoolCheck(value));

STAT_INC(TO_BOOL, hit);

}

inst(TO_BOOL_INT, (unused/1, unused/2, value -- res)) {

PyObject *value_o = PyStackRef_AsPyObjectBorrow(value);

EXIT_IF(!PyLong_CheckExact(value_o));

STAT_INC(TO_BOOL, hit);

if (_PyLong_IsZero((PyLongObject *)value_o)) {

assert(_Py_IsImmortal(value_o));

DEAD(value);

res = PyStackRef_False;

}

else {

PyStackRef_CLOSE(value);

res = PyStackRef_True;

}

}

op(_GUARD_NOS_LIST, (nos, unused -- nos, unused)) {

PyObject *o = PyStackRef_AsPyObjectBorrow(nos);

EXIT_IF(!PyList_CheckExact(o));

}

op(_GUARD_TOS_LIST, (tos -- tos)) {

PyObject *o = PyStackRef_AsPyObjectBorrow(tos);

EXIT_IF(!PyList_CheckExact(o));

}

macro(TO_BOOL_LIST) = _GUARD_TOS_LIST + unused/1 + unused/2 + _TO_BOOL_LIST;

op(_TO_BOOL_LIST, (value -- res)) {

PyObject *value_o = PyStackRef_AsPyObjectBorrow(value);

assert(PyList_CheckExact(value_o));

STAT_INC(TO_BOOL, hit);

res = PyList_GET_SIZE(value_o) ? PyStackRef_True : PyStackRef_False;

DECREF_INPUTS();

}

inst(TO_BOOL_NONE, (unused/1, unused/2, value -- res)) {

// This one is a bit weird, because we expect *some* failures:

EXIT_IF(!PyStackRef_IsNone(value));

DEAD(value);

STAT_INC(TO_BOOL, hit);

res = PyStackRef_False;

}

op(_GUARD_NOS_UNICODE, (nos, unused -- nos, unused)) {

PyObject *o = PyStackRef_AsPyObjectBorrow(nos);

EXIT_IF(!PyUnicode_CheckExact(o));

}

op(_GUARD_TOS_UNICODE, (value -- value)) {

PyObject *value_o = PyStackRef_AsPyObjectBorrow(value);

EXIT_IF(!PyUnicode_CheckExact(value_o));

}

op(_TO_BOOL_STR, (value -- res)) {

STAT_INC(TO_BOOL, hit);

PyObject *value_o = PyStackRef_AsPyObjectBorrow(value);

if (value_o == &_Py_STR(empty)) {

assert(_Py_IsImmortal(value_o));

DEAD(value);

res = PyStackRef_False;

}

else {

assert(Py_SIZE(value_o));

PyStackRef_CLOSE(value);

res = PyStackRef_True;

}

}

macro(TO_BOOL_STR) =

_GUARD_TOS_UNICODE + unused/1 + unused/2 + _TO_BOOL_STR;

op(_REPLACE_WITH_TRUE, (value -- res)) {

PyStackRef_CLOSE(value);

res = PyStackRef_True;

}

macro(TO_BOOL_ALWAYS_TRUE) =

unused/1 +

_GUARD_TYPE_VERSION +

_REPLACE_WITH_TRUE;

inst(UNARY_INVERT, (value -- res)) {

PyObject *res_o = PyNumber_Invert(PyStackRef_AsPyObjectBorrow(value));

PyStackRef_CLOSE(value);

ERROR_IF(res_o == NULL);

res = PyStackRef_FromPyObjectSteal(res_o);

}

family(BINARY_OP, INLINE_CACHE_ENTRIES_BINARY_OP) = {

BINARY_OP_MULTIPLY_INT,

BINARY_OP_ADD_INT,

BINARY_OP_SUBTRACT_INT,

BINARY_OP_MULTIPLY_FLOAT,

BINARY_OP_ADD_FLOAT,

BINARY_OP_SUBTRACT_FLOAT,

BINARY_OP_ADD_UNICODE,

BINARY_OP_SUBSCR_LIST_INT,

BINARY_OP_SUBSCR_TUPLE_INT,

BINARY_OP_SUBSCR_STR_INT,

BINARY_OP_SUBSCR_DICT,

BINARY_OP_SUBSCR_GETITEM,

// BINARY_OP_INPLACE_ADD_UNICODE, // See comments at that opcode.

BINARY_OP_EXTEND,

};

op(_GUARD_NOS_INT, (left, unused -- left, unused)) {

PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);

EXIT_IF(!PyLong_CheckExact(left_o));

}

op(_GUARD_TOS_INT, (value -- value)) {

PyObject *value_o = PyStackRef_AsPyObjectBorrow(value);

EXIT_IF(!PyLong_CheckExact(value_o));

}

pure op(_BINARY_OP_MULTIPLY_INT, (left, right -- res)) {

PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);

PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);

assert(PyLong_CheckExact(left_o));

assert(PyLong_CheckExact(right_o));

STAT_INC(BINARY_OP, hit);

PyObject *res_o = _PyLong_Multiply((PyLongObject *)left_o, (PyLongObject *)right_o);

PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);

PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);

INPUTS_DEAD();

ERROR_IF(res_o == NULL);

res = PyStackRef_FromPyObjectSteal(res_o);

}

pure op(_BINARY_OP_ADD_INT, (left, right -- res)) {

PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);

PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);

assert(PyLong_CheckExact(left_o));

assert(PyLong_CheckExact(right_o));

STAT_INC(BINARY_OP, hit);

PyObject *res_o = _PyLong_Add((PyLongObject *)left_o, (PyLongObject *)right_o);

PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);

PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);

INPUTS_DEAD();

ERROR_IF(res_o == NULL);

res = PyStackRef_FromPyObjectSteal(res_o);

}

pure op(_BINARY_OP_SUBTRACT_INT, (left, right -- res)) {

PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);

PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);

assert(PyLong_CheckExact(left_o));

assert(PyLong_CheckExact(right_o));

STAT_INC(BINARY_OP, hit);

PyObject *res_o = _PyLong_Subtract((PyLongObject *)left_o, (PyLongObject *)right_o);

PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);

PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);

INPUTS_DEAD();

ERROR_IF(res_o == NULL);

res = PyStackRef_FromPyObjectSteal(res_o);

}

macro(BINARY_OP_MULTIPLY_INT) =

_GUARD_TOS_INT + _GUARD_NOS_INT + unused/5 + _BINARY_OP_MULTIPLY_INT;

macro(BINARY_OP_ADD_INT) =

_GUARD_TOS_INT + _GUARD_NOS_INT + unused/5 + _BINARY_OP_ADD_INT;

macro(BINARY_OP_SUBTRACT_INT) =

_GUARD_TOS_INT + _GUARD_NOS_INT + unused/5 + _BINARY_OP_SUBTRACT_INT;

op(_GUARD_NOS_FLOAT, (left, unused -- left, unused)) {

PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);

EXIT_IF(!PyFloat_CheckExact(left_o));

}

op(_GUARD_TOS_FLOAT, (value -- value)) {

PyObject *value_o = PyStackRef_AsPyObjectBorrow(value);

EXIT_IF(!PyFloat_CheckExact(value_o));

}

pure op(_BINARY_OP_MULTIPLY_FLOAT, (left, right -- res)) {

PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);

PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);

assert(PyFloat_CheckExact(left_o));

assert(PyFloat_CheckExact(right_o));

STAT_INC(BINARY_OP, hit);

double dres =

((PyFloatObject *)left_o)->ob_fval *

((PyFloatObject *)right_o)->ob_fval;

res = _PyFloat_FromDouble_ConsumeInputs(left, right, dres);

INPUTS_DEAD();

ERROR_IF(PyStackRef_IsNull(res));

}

pure op(_BINARY_OP_ADD_FLOAT, (left, right -- res)) {

PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);

PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);

assert(PyFloat_CheckExact(left_o));

assert(PyFloat_CheckExact(right_o));

STAT_INC(BINARY_OP, hit);

double dres =

((PyFloatObject *)left_o)->ob_fval +

((PyFloatObject *)right_o)->ob_fval;

res = _PyFloat_FromDouble_ConsumeInputs(left, right, dres);

INPUTS_DEAD();

ERROR_IF(PyStackRef_IsNull(res));

}

pure op(_BINARY_OP_SUBTRACT_FLOAT, (left, right -- res)) {

PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);

PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);

assert(PyFloat_CheckExact(left_o));

assert(PyFloat_CheckExact(right_o));

STAT_INC(BINARY_OP, hit);

double dres =

((PyFloatObject *)left_o)->ob_fval -

((PyFloatObject *)right_o)->ob_fval;

res = _PyFloat_FromDouble_ConsumeInputs(left, right, dres);

INPUTS_DEAD();

ERROR_IF(PyStackRef_IsNull(res));

}

macro(BINARY_OP_MULTIPLY_FLOAT) =

_GUARD_TOS_FLOAT + _GUARD_NOS_FLOAT + unused/5 + _BINARY_OP_MULTIPLY_FLOAT;

macro(BINARY_OP_ADD_FLOAT) =

_GUARD_TOS_FLOAT + _GUARD_NOS_FLOAT + unused/5 + _BINARY_OP_ADD_FLOAT;

macro(BINARY_OP_SUBTRACT_FLOAT) =

_GUARD_TOS_FLOAT + _GUARD_NOS_FLOAT + unused/5 + _BINARY_OP_SUBTRACT_FLOAT;

pure op(_BINARY_OP_ADD_UNICODE, (left, right -- res)) {

PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);

PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);

assert(PyUnicode_CheckExact(left_o));

assert(PyUnicode_CheckExact(right_o));

STAT_INC(BINARY_OP, hit);

PyObject *res_o = PyUnicode_Concat(left_o, right_o);

PyStackRef_CLOSE_SPECIALIZED(right, _PyUnicode_ExactDealloc);

PyStackRef_CLOSE_SPECIALIZED(left, _PyUnicode_ExactDealloc);

INPUTS_DEAD();

ERROR_IF(res_o == NULL);

res = PyStackRef_FromPyObjectSteal(res_o);

}

macro(BINARY_OP_ADD_UNICODE) =

_GUARD_TOS_UNICODE + _GUARD_NOS_UNICODE + unused/5 + _BINARY_OP_ADD_UNICODE;

// This is a subtle one. It's a super-instruction for

// BINARY_OP_ADD_UNICODE followed by STORE_FAST

// where the store goes into the left argument.

// So the inputs are the same as for all BINARY_OP

// specializations, but there is no output.

// At the end we just skip over the STORE_FAST.

op(_BINARY_OP_INPLACE_ADD_UNICODE, (left, right --)) {

PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);

assert(PyUnicode_CheckExact(left_o));

assert(PyUnicode_CheckExact(PyStackRef_AsPyObjectBorrow(right)));

int next_oparg;

#if TIER_ONE

assert(next_instr->op.code == STORE_FAST);

next_oparg = next_instr->op.arg;

#else

next_oparg = CURRENT_OPERAND0();

#endif

_PyStackRef *target_local = &GETLOCAL(next_oparg);

assert(PyUnicode_CheckExact(left_o));

DEOPT_IF(PyStackRef_AsPyObjectBorrow(*target_local) != left_o);

STAT_INC(BINARY_OP, hit);

/* Handle `left = left + right` or `left += right` for str.

*

* When possible, extend `left` in place rather than

* allocating a new PyUnicodeObject. This attempts to avoid

* quadratic behavior when one neglects to use str.join().

*

* If `left` has only two references remaining (one from

* the stack, one in the locals), DECREFing `left` leaves

* only the locals reference, so PyUnicode_Append knows

* that the string is safe to mutate.

*/

assert(Py_REFCNT(left_o) >= 2 || !PyStackRef_IsHeapSafe(left));

PyStackRef_CLOSE_SPECIALIZED(left, _PyUnicode_ExactDealloc);

DEAD(left);

PyObject *temp = PyStackRef_AsPyObjectSteal(*target_local);

PyObject *right_o = PyStackRef_AsPyObjectSteal(right);

PyUnicode_Append(&temp, right_o);

*target_local = PyStackRef_FromPyObjectSteal(temp);

Py_DECREF(right_o);

ERROR_IF(PyStackRef_IsNull(*target_local));

#if TIER_ONE

// The STORE_FAST is already done. This is done here in tier one,

// and during trace projection in tier two:

assert(next_instr->op.code == STORE_FAST);

SKIP_OVER(1);

#endif

}

op(_GUARD_BINARY_OP_EXTEND, (descr/4, left, right -- left, right)) {

PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);

PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);

_PyBinaryOpSpecializationDescr *d = (_PyBinaryOpSpecializationDescr*)descr;

assert(INLINE_CACHE_ENTRIES_BINARY_OP == 5);

assert(d && d->guard);

int res = d->guard(left_o, right_o);

DEOPT_IF(!res);

}

pure op(_BINARY_OP_EXTEND, (descr/4, left, right -- res)) {

PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);

PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);

assert(INLINE_CACHE_ENTRIES_BINARY_OP == 5);

_PyBinaryOpSpecializationDescr *d = (_PyBinaryOpSpecializationDescr*)descr;

STAT_INC(BINARY_OP, hit);

PyObject *res_o = d->action(left_o, right_o);

DECREF_INPUTS();

res = PyStackRef_FromPyObjectSteal(res_o);

}

macro(BINARY_OP_EXTEND) =

unused/1 + _GUARD_BINARY_OP_EXTEND + rewind/-4 + _BINARY_OP_EXTEND;

macro(BINARY_OP_INPLACE_ADD_UNICODE) =

_GUARD_TOS_UNICODE + _GUARD_NOS_UNICODE + unused/5 + _BINARY_OP_INPLACE_ADD_UNICODE;

specializing op(_SPECIALIZE_BINARY_SLICE, (container, start, stop -- container, start, stop)) {

// Placeholder until we implement BINARY_SLICE specialization

#if ENABLE_SPECIALIZATION

OPCODE_DEFERRED_INC(BINARY_SLICE);

#endif /* ENABLE_SPECIALIZATION */

}

op(_BINARY_SLICE, (container, start, stop -- res)) {

PyObject *slice = _PyBuildSlice_ConsumeRefs(PyStackRef_AsPyObjectSteal(start),

PyStackRef_AsPyObjectSteal(stop));

PyObject *res_o;

// Can't use ERROR_IF() here, because we haven't

// DECREF'ed container yet, and we still own slice.

if (slice == NULL) {

res_o = NULL;

}

else {

res_o = PyObject_GetItem(PyStackRef_AsPyObjectBorrow(container), slice);

Py_DECREF(slice);

}

PyStackRef_CLOSE(container);

ERROR_IF(res_o == NULL);

res = PyStackRef_FromPyObjectSteal(res_o);

}

macro(BINARY_SLICE) = _SPECIALIZE_BINARY_SLICE + _BINARY_SLICE;

specializing op(_SPECIALIZE_STORE_SLICE, (v, container, start, stop -- v, container, start, stop)) {

// Placeholder until we implement STORE_SLICE specialization

#if ENABLE_SPECIALIZATION

OPCODE_DEFERRED_INC(STORE_SLICE);

#endif /* ENABLE_SPECIALIZATION */

}

op(_STORE_SLICE, (v, container, start, stop -- )) {

PyObject *slice = _PyBuildSlice_ConsumeRefs(PyStackRef_AsPyObjectSteal(start),

PyStackRef_AsPyObjectSteal(stop));

int err;

if (slice == NULL) {

err = 1;

}

else {

err = PyObject_SetItem(PyStackRef_AsPyObjectBorrow(container), slice, PyStackRef_AsPyObjectBorrow(v));

Py_DECREF(slice);

}

DECREF_INPUTS();

ERROR_IF(err);

}

macro(STORE_SLICE) = _SPECIALIZE_STORE_SLICE + _STORE_SLICE;

macro(BINARY_OP_SUBSCR_LIST_INT) =

_GUARD_TOS_INT + _GUARD_NOS_LIST + unused/5 + _BINARY_OP_SUBSCR_LIST_INT;

op(_BINARY_OP_SUBSCR_LIST_INT, (list_st, sub_st -- res)) {

PyObject *sub = PyStackRef_AsPyObjectBorrow(sub_st);

PyObject *list = PyStackRef_AsPyObjectBorrow(list_st);

assert(PyLong_CheckExact(sub));

assert(PyList_CheckExact(list));

// Deopt unless 0 <= sub < PyList_Size(list)

DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub));

Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];

#ifdef Py_GIL_DISABLED

PyObject *res_o = _PyList_GetItemRef((PyListObject*)list, index);

DEOPT_IF(res_o == NULL);

STAT_INC(BINARY_OP, hit);

res = PyStackRef_FromPyObjectSteal(res_o);

#else

DEOPT_IF(index >= PyList_GET_SIZE(list));

STAT_INC(BINARY_OP, hit);

PyObject *res_o = PyList_GET_ITEM(list, index);

assert(res_o != NULL);

res = PyStackRef_FromPyObjectNew(res_o);

#endif

STAT_INC(BINARY_OP, hit);

DECREF_INPUTS();

}

macro(BINARY_OP_SUBSCR_STR_INT) =

_GUARD_TOS_INT + _GUARD_NOS_UNICODE + unused/5 + _BINARY_OP_SUBSCR_STR_INT;

op(_BINARY_OP_SUBSCR_STR_INT, (str_st, sub_st -- res)) {

PyObject *sub = PyStackRef_AsPyObjectBorrow(sub_st);

PyObject *str = PyStackRef_AsPyObjectBorrow(str_st);

assert(PyLong_CheckExact(sub));

assert(PyUnicode_CheckExact(str));

DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub));

Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];

DEOPT_IF(PyUnicode_GET_LENGTH(str) <= index);

// Specialize for reading an ASCII character from any string:

Py_UCS4 c = PyUnicode_READ_CHAR(str, index);

DEOPT_IF(Py_ARRAY_LENGTH(_Py_SINGLETON(strings).ascii) <= c);

STAT_INC(BINARY_OP, hit);

PyObject *res_o = (PyObject*)&_Py_SINGLETON(strings).ascii[c];

PyStackRef_CLOSE_SPECIALIZED(sub_st, _PyLong_ExactDealloc);

DEAD(sub_st);

PyStackRef_CLOSE(str_st);

res = PyStackRef_FromPyObjectImmortal(res_o);

}

op(_GUARD_NOS_TUPLE, (nos, unused -- nos, unused)) {

PyObject *o = PyStackRef_AsPyObjectBorrow(nos);

EXIT_IF(!PyTuple_CheckExact(o));

}

op(_GUARD_TOS_TUPLE, (tos -- tos)) {

PyObject *o = PyStackRef_AsPyObjectBorrow(tos);

EXIT_IF(!PyTuple_CheckExact(o));

}

macro(BINARY_OP_SUBSCR_TUPLE_INT) =

_GUARD_TOS_INT + _GUARD_NOS_TUPLE + unused/5 + _BINARY_OP_SUBSCR_TUPLE_INT;

op(_BINARY_OP_SUBSCR_TUPLE_INT, (tuple_st, sub_st -- res)) {

PyObject *sub = PyStackRef_AsPyObjectBorrow(sub_st);

PyObject *tuple = PyStackRef_AsPyObjectBorrow(tuple_st);

assert(PyLong_CheckExact(sub));

assert(PyTuple_CheckExact(tuple));

// Deopt unless 0 <= sub < PyTuple_Size(list)

DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub));

Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];

DEOPT_IF(index >= PyTuple_GET_SIZE(tuple));

STAT_INC(BINARY_OP, hit);

PyObject *res_o = PyTuple_GET_ITEM(tuple, index);

assert(res_o != NULL);

PyStackRef_CLOSE_SPECIALIZED(sub_st, _PyLong_ExactDealloc);

res = PyStackRef_FromPyObjectNew(res_o);

DECREF_INPUTS();

}

op(_GUARD_NOS_DICT, (nos, unused -- nos, unused)) {

PyObject *o = PyStackRef_AsPyObjectBorrow(nos);

EXIT_IF(!PyDict_CheckExact(o));

}

op(_GUARD_TOS_DICT, (tos -- tos)) {

PyObject *o = PyStackRef_AsPyObjectBorrow(tos);

EXIT_IF(!PyDict_CheckExact(o));

}

macro(BINARY_OP_SUBSCR_DICT) =

_GUARD_NOS_DICT + unused/5 + _BINARY_OP_SUBSCR_DICT;

op(_BINARY_OP_SUBSCR_DICT, (dict_st, sub_st -- res)) {

PyObject *sub = PyStackRef_AsPyObjectBorrow(sub_st);

PyObject *dict = PyStackRef_AsPyObjectBorrow(dict_st);

assert(PyDict_CheckExact(dict));

STAT_INC(BINARY_OP, hit);

PyObject *res_o;

int rc = PyDict_GetItemRef(dict, sub, &res_o);

if (rc == 0) {

_PyErr_SetKeyError(sub);

}

DECREF_INPUTS();

ERROR_IF(rc <= 0); // not found or error

res = PyStackRef_FromPyObjectSteal(res_o);

}

op(_BINARY_OP_SUBSCR_CHECK_FUNC, (container, unused -- container, unused, getitem)) {

PyTypeObject *tp = Py_TYPE(PyStackRef_AsPyObjectBorrow(container));

DEOPT_IF(!PyType_HasFeature(tp, Py_TPFLAGS_HEAPTYPE));

PyHeapTypeObject *ht = (PyHeapTypeObject *)tp;

PyObject *getitem_o = FT_ATOMIC_LOAD_PTR_ACQUIRE(ht->_spec_cache.getitem);

DEOPT_IF(getitem_o == NULL);

assert(PyFunction_Check(getitem_o));

uint32_t cached_version = FT_ATOMIC_LOAD_UINT32_RELAXED(ht->_spec_cache.getitem_version);

DEOPT_IF(((PyFunctionObject *)getitem_o)->func_version != cached_version);

PyCodeObject *code = (PyCodeObject *)PyFunction_GET_CODE(getitem_o);

assert(code->co_argcount == 2);

DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize));

getitem = PyStackRef_FromPyObjectNew(getitem_o);

STAT_INC(BINARY_OP, hit);

}