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gh-145866: Convert _CALL_INTRINSIC_2 to leave its inputs on the stack to be cleaned up by _POP_TOP (GH-146262)

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Kevin Huai 2026-03-26 03:41:07 -06:00 • committed by GitHub
parent 495178ab05
commit f5364ae750
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GPG key ID: B5690EEEBB952194
10 changed files with 1346 additions and 1283 deletions
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15
Python/bytecodes.c
View file

@ -1340,17 +1340,26 @@ dummy_func(
macro(CALL_INTRINSIC_1) = _CALL_INTRINSIC_1 + POP_TOP;
inst(CALL_INTRINSIC_2, (value2_st, value1_st -- res)) {
op(_CALL_INTRINSIC_2, (value2_st, value1_st -- res, vs1, vs2)) {
assert(oparg <= MAX_INTRINSIC_2);
PyObject *value1 = PyStackRef_AsPyObjectBorrow(value1_st);
PyObject *value2 = PyStackRef_AsPyObjectBorrow(value2_st);
PyObject *res_o = _PyIntrinsics_BinaryFunctions[oparg].func(tstate, value2, value1);
DECREF_INPUTS();
ERROR_IF(res_o == NULL);
if (res_o == NULL) {
ERROR_NO_POP();
}
res = PyStackRef_FromPyObjectSteal(res_o);
vs1 = value1_st;
vs2 = value2_st;
INPUTS_DEAD();
}
macro(CALL_INTRINSIC_2) = _CALL_INTRINSIC_2 + POP_TOP + POP_TOP;
tier1 inst(RAISE_VARARGS, (args[oparg] -- )) {
assert(oparg < 3);
PyObject *cause = oparg == 2 ? PyStackRef_AsPyObjectSteal(args[1]) : NULL;

24
Python/executor_cases.c.h generated
View file

@ -7386,12 +7386,14 @@
break;
}
case _CALL_INTRINSIC_2_r21: {
case _CALL_INTRINSIC_2_r23: {
CHECK_CURRENT_CACHED_VALUES(2);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef value1_st;
_PyStackRef value2_st;
_PyStackRef res;
_PyStackRef vs1;
_PyStackRef vs2;
_PyStackRef _stack_item_0 = _tos_cache0;
_PyStackRef _stack_item_1 = _tos_cache1;
oparg = CURRENT_OPARG();
@ -7406,26 +7408,20 @@
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
_PyFrame_SetStackPointer(frame, stack_pointer);
PyObject *res_o = _PyIntrinsics_BinaryFunctions[oparg].func(tstate, value2, value1);
_PyStackRef tmp = value1_st;
value1_st = PyStackRef_NULL;
stack_pointer[-1] = value1_st;
PyStackRef_CLOSE(tmp);
tmp = value2_st;
value2_st = PyStackRef_NULL;
stack_pointer[-2] = value2_st;
PyStackRef_CLOSE(tmp);
stack_pointer = _PyFrame_GetStackPointer(frame);
stack_pointer += -2;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
if (res_o == NULL) {
SET_CURRENT_CACHED_VALUES(0);
JUMP_TO_ERROR();
}
res = PyStackRef_FromPyObjectSteal(res_o);
vs1 = value1_st;
vs2 = value2_st;
_tos_cache2 = vs2;
_tos_cache1 = vs1;
_tos_cache0 = res;
_tos_cache1 = PyStackRef_ZERO_BITS;
_tos_cache2 = PyStackRef_ZERO_BITS;
SET_CURRENT_CACHED_VALUES(1);
SET_CURRENT_CACHED_VALUES(3);
stack_pointer += -2;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}

61
Python/generated_cases.c.h generated
View file

@ -3021,31 +3021,44 @@
_PyStackRef value2_st;
_PyStackRef value1_st;
_PyStackRef res;
value1_st = stack_pointer[-1];
value2_st = stack_pointer[-2];
assert(oparg <= MAX_INTRINSIC_2);
PyObject *value1 = PyStackRef_AsPyObjectBorrow(value1_st);
PyObject *value2 = PyStackRef_AsPyObjectBorrow(value2_st);
_PyFrame_SetStackPointer(frame, stack_pointer);
PyObject *res_o = _PyIntrinsics_BinaryFunctions[oparg].func(tstate, value2, value1);
_PyStackRef tmp = value1_st;
value1_st = PyStackRef_NULL;
stack_pointer[-1] = value1_st;
PyStackRef_CLOSE(tmp);
tmp = value2_st;
value2_st = PyStackRef_NULL;
stack_pointer[-2] = value2_st;
PyStackRef_CLOSE(tmp);
stack_pointer = _PyFrame_GetStackPointer(frame);
stack_pointer += -2;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
if (res_o == NULL) {
JUMP_TO_LABEL(error);
_PyStackRef vs1;
_PyStackRef vs2;
_PyStackRef value;
// _CALL_INTRINSIC_2
{
value1_st = stack_pointer[-1];
value2_st = stack_pointer[-2];
assert(oparg <= MAX_INTRINSIC_2);
PyObject *value1 = PyStackRef_AsPyObjectBorrow(value1_st);
PyObject *value2 = PyStackRef_AsPyObjectBorrow(value2_st);
_PyFrame_SetStackPointer(frame, stack_pointer);
PyObject *res_o = _PyIntrinsics_BinaryFunctions[oparg].func(tstate, value2, value1);
stack_pointer = _PyFrame_GetStackPointer(frame);
if (res_o == NULL) {
JUMP_TO_LABEL(error);
}
res = PyStackRef_FromPyObjectSteal(res_o);
vs1 = value1_st;
vs2 = value2_st;
}
// _POP_TOP
{
value = vs2;
stack_pointer[-2] = res;
stack_pointer[-1] = vs1;
_PyFrame_SetStackPointer(frame, stack_pointer);
PyStackRef_XCLOSE(value);
stack_pointer = _PyFrame_GetStackPointer(frame);
}
// _POP_TOP
{
value = vs1;
stack_pointer += -1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
_PyFrame_SetStackPointer(frame, stack_pointer);
PyStackRef_XCLOSE(value);
stack_pointer = _PyFrame_GetStackPointer(frame);
}
res = PyStackRef_FromPyObjectSteal(res_o);
stack_pointer[0] = res;
stack_pointer += 1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
DISPATCH();
}

6
Python/optimizer_bytecodes.c
View file

@ -1265,6 +1265,12 @@ dummy_func(void) {
v = value;
}
op(_CALL_INTRINSIC_2, (value2_st, value1_st -- res, vs1, vs2)) {
res = sym_new_not_null(ctx);
vs1 = value1_st;
vs2 = value2_st;
}
op(_GUARD_IS_TRUE_POP, (flag -- )) {
sym_apply_predicate_narrowing(ctx, flag, true);

14
Python/optimizer_cases.c.h generated
View file

@ -1460,11 +1460,21 @@
}
case _CALL_INTRINSIC_2: {
JitOptRef value1_st;
JitOptRef value2_st;
JitOptRef res;
JitOptRef vs1;
JitOptRef vs2;
value1_st = stack_pointer[-1];
value2_st = stack_pointer[-2];
res = sym_new_not_null(ctx);
CHECK_STACK_BOUNDS(-1);
vs1 = value1_st;
vs2 = value2_st;
CHECK_STACK_BOUNDS(1);
stack_pointer[-2] = res;
stack_pointer += -1;
stack_pointer[-1] = vs1;
stack_pointer[0] = vs2;
stack_pointer += 1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
break;
}