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GH-122034: Add StackRef variants of type checks to reduce the number of PyStackRef_AsPyObjectBorrow calls (GH-122037)

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Mark Shannon 2024-07-25 18:32:43 +01:00 • committed by GitHub
parent aef95eb107
commit 5e686ff57d
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4 changed files with 60 additions and 27 deletions
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24
Python/generated_cases.c.h generated
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@ -1078,7 +1078,7 @@
assert(Py_TYPE(callable_o) == &PyMethod_Type);
self = PyStackRef_FromPyObjectNew(((PyMethodObject *)callable_o)->im_self);
method = PyStackRef_FromPyObjectNew(((PyMethodObject *)callable_o)->im_func);
assert(PyFunction_Check(PyStackRef_AsPyObjectBorrow(method)));
assert(PyStackRef_FunctionCheck(method));
PyStackRef_CLOSE(callable);
}
// flush
@ -3544,7 +3544,7 @@
receiver = stack_pointer[-2];
/* Need to create a fake StopIteration error here,
* to conform to PEP 380 */
if (PyGen_Check(PyStackRef_AsPyObjectBorrow(receiver))) {
if (PyStackRef_GenCheck(receiver)) {
if (monitor_stop_iteration(tstate, frame, this_instr, PyStackRef_AsPyObjectBorrow(value))) {
goto error;
}
@ -3667,7 +3667,7 @@
INSTRUCTION_STATS(INSTRUMENTED_POP_JUMP_IF_FALSE);
/* Skip 1 cache entry */
_PyStackRef cond = POP();
assert(PyBool_Check(PyStackRef_AsPyObjectBorrow(cond)));
assert(PyStackRef_BoolCheck(cond));
int flag = PyStackRef_Is(cond, PyStackRef_False);
int offset = flag * oparg;
#if ENABLE_SPECIALIZATION
@ -3730,7 +3730,7 @@
INSTRUCTION_STATS(INSTRUMENTED_POP_JUMP_IF_TRUE);
/* Skip 1 cache entry */
_PyStackRef cond = POP();
assert(PyBool_Check(PyStackRef_AsPyObjectBorrow(cond)));
assert(PyStackRef_BoolCheck(cond));
int flag = PyStackRef_Is(cond, PyStackRef_True);
int offset = flag * oparg;
#if ENABLE_SPECIALIZATION
@ -5329,7 +5329,7 @@
_PyStackRef cond;
/* Skip 1 cache entry */
cond = stack_pointer[-1];
assert(PyBool_Check(PyStackRef_AsPyObjectBorrow(cond)));
assert(PyStackRef_BoolCheck(cond));
int flag = PyStackRef_Is(cond, PyStackRef_False);
#if ENABLE_SPECIALIZATION
this_instr[1].cache = (this_instr[1].cache << 1) | flag;
@ -5363,7 +5363,7 @@
// _POP_JUMP_IF_TRUE
cond = b;
{
assert(PyBool_Check(PyStackRef_AsPyObjectBorrow(cond)));
assert(PyStackRef_BoolCheck(cond));
int flag = PyStackRef_Is(cond, PyStackRef_True);
#if ENABLE_SPECIALIZATION
this_instr[1].cache = (this_instr[1].cache << 1) | flag;
@ -5398,7 +5398,7 @@
// _POP_JUMP_IF_FALSE
cond = b;
{
assert(PyBool_Check(PyStackRef_AsPyObjectBorrow(cond)));
assert(PyStackRef_BoolCheck(cond));
int flag = PyStackRef_Is(cond, PyStackRef_False);
#if ENABLE_SPECIALIZATION
this_instr[1].cache = (this_instr[1].cache << 1) | flag;
@ -5418,7 +5418,7 @@
_PyStackRef cond;
/* Skip 1 cache entry */
cond = stack_pointer[-1];
assert(PyBool_Check(PyStackRef_AsPyObjectBorrow(cond)));
assert(PyStackRef_BoolCheck(cond));
int flag = PyStackRef_Is(cond, PyStackRef_True);
#if ENABLE_SPECIALIZATION
this_instr[1].cache = (this_instr[1].cache << 1) | flag;
@ -5455,7 +5455,7 @@
else {
prev_exc = PyStackRef_None;
}
assert(PyExceptionInstance_Check(PyStackRef_AsPyObjectBorrow(new_exc)));
assert(PyStackRef_ExceptionInstanceCheck(new_exc));
exc_info->exc_value = PyStackRef_AsPyObjectNew(new_exc);
stack_pointer[-1] = prev_exc;
stack_pointer[0] = new_exc;
@ -6418,7 +6418,7 @@
/* Skip 1 cache entry */
/* Skip 2 cache entries */
value = stack_pointer[-1];
DEOPT_IF(!PyBool_Check(PyStackRef_AsPyObjectBorrow(value)), TO_BOOL);
DEOPT_IF(!PyStackRef_BoolCheck(value), TO_BOOL);
STAT_INC(TO_BOOL, hit);
DISPATCH();
}
@ -6548,7 +6548,7 @@
_PyStackRef value;
_PyStackRef res;
value = stack_pointer[-1];
assert(PyBool_Check(PyStackRef_AsPyObjectBorrow(value)));
assert(PyStackRef_BoolCheck(value));
res = PyStackRef_Is(value, PyStackRef_False)
? PyStackRef_True : PyStackRef_False;
stack_pointer[-1] = res;
@ -6715,7 +6715,7 @@
else {
Py_DECREF(tb);
}
assert(PyLong_Check(PyStackRef_AsPyObjectBorrow(lasti)));
assert(PyStackRef_LongCheck(lasti));
(void)lasti; // Shut up compiler warning if asserts are off
PyObject *stack[5] = {NULL, PyStackRef_AsPyObjectBorrow(exit_self), exc, val_o, tb};
int has_self = !PyStackRef_IsNull(exit_self);