gh-134584: Eliminate redundant refcounting from _COMPARE_OP_X (GH-143186)

This commit is contained in:
Hai Zhu 2025-12-27 00:12:28 +08:00 committed by GitHub
parent d3d4cf9432
commit b3f2d80569
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
9 changed files with 775 additions and 788 deletions

View file

@ -1381,9 +1381,9 @@ _PyOpcode_macro_expansion[256] = {
[CHECK_EG_MATCH] = { .nuops = 1, .uops = { { _CHECK_EG_MATCH, OPARG_SIMPLE, 0 } } },
[CHECK_EXC_MATCH] = { .nuops = 1, .uops = { { _CHECK_EXC_MATCH, OPARG_SIMPLE, 0 } } },
[COMPARE_OP] = { .nuops = 1, .uops = { { _COMPARE_OP, OPARG_SIMPLE, 0 } } },
[COMPARE_OP_FLOAT] = { .nuops = 3, .uops = { { _GUARD_TOS_FLOAT, OPARG_SIMPLE, 0 }, { _GUARD_NOS_FLOAT, OPARG_SIMPLE, 0 }, { _COMPARE_OP_FLOAT, OPARG_SIMPLE, 1 } } },
[COMPARE_OP_FLOAT] = { .nuops = 5, .uops = { { _GUARD_TOS_FLOAT, OPARG_SIMPLE, 0 }, { _GUARD_NOS_FLOAT, OPARG_SIMPLE, 0 }, { _COMPARE_OP_FLOAT, OPARG_SIMPLE, 1 }, { _POP_TOP_FLOAT, OPARG_SIMPLE, 1 }, { _POP_TOP_FLOAT, OPARG_SIMPLE, 1 } } },
[COMPARE_OP_INT] = { .nuops = 5, .uops = { { _GUARD_TOS_INT, OPARG_SIMPLE, 0 }, { _GUARD_NOS_INT, OPARG_SIMPLE, 0 }, { _COMPARE_OP_INT, OPARG_SIMPLE, 1 }, { _POP_TOP_INT, OPARG_SIMPLE, 1 }, { _POP_TOP_INT, OPARG_SIMPLE, 1 } } },
[COMPARE_OP_STR] = { .nuops = 3, .uops = { { _GUARD_TOS_UNICODE, OPARG_SIMPLE, 0 }, { _GUARD_NOS_UNICODE, OPARG_SIMPLE, 0 }, { _COMPARE_OP_STR, OPARG_SIMPLE, 1 } } },
[COMPARE_OP_STR] = { .nuops = 5, .uops = { { _GUARD_TOS_UNICODE, OPARG_SIMPLE, 0 }, { _GUARD_NOS_UNICODE, OPARG_SIMPLE, 0 }, { _COMPARE_OP_STR, OPARG_SIMPLE, 1 }, { _POP_TOP_UNICODE, OPARG_SIMPLE, 1 }, { _POP_TOP_UNICODE, OPARG_SIMPLE, 1 } } },
[CONTAINS_OP] = { .nuops = 1, .uops = { { _CONTAINS_OP, OPARG_SIMPLE, 0 } } },
[CONTAINS_OP_DICT] = { .nuops = 2, .uops = { { _GUARD_TOS_DICT, OPARG_SIMPLE, 0 }, { _CONTAINS_OP_DICT, OPARG_SIMPLE, 1 } } },
[CONTAINS_OP_SET] = { .nuops = 2, .uops = { { _GUARD_TOS_ANY_SET, OPARG_SIMPLE, 0 }, { _CONTAINS_OP_SET, OPARG_SIMPLE, 1 } } },

File diff suppressed because it is too large Load diff

View file

@ -1862,12 +1862,12 @@ const _PyUopCachingInfo _PyUop_Caching[MAX_UOP_ID+1] = {
},
},
[_COMPARE_OP_FLOAT] = {
.best = { 0, 1, 2, 3 },
.best = { 0, 1, 2, 2 },
.entries = {
{ 1, 0, _COMPARE_OP_FLOAT_r01 },
{ 1, 1, _COMPARE_OP_FLOAT_r11 },
{ 1, 2, _COMPARE_OP_FLOAT_r21 },
{ 2, 3, _COMPARE_OP_FLOAT_r32 },
{ 3, 0, _COMPARE_OP_FLOAT_r03 },
{ 3, 1, _COMPARE_OP_FLOAT_r13 },
{ 3, 2, _COMPARE_OP_FLOAT_r23 },
{ -1, -1, -1 },
},
},
[_COMPARE_OP_INT] = {
@ -1884,7 +1884,7 @@ const _PyUopCachingInfo _PyUop_Caching[MAX_UOP_ID+1] = {
.entries = {
{ -1, -1, -1 },
{ -1, -1, -1 },
{ 1, 2, _COMPARE_OP_STR_r21 },
{ 3, 2, _COMPARE_OP_STR_r23 },
{ -1, -1, -1 },
},
},
@ -3568,12 +3568,11 @@ const uint16_t _PyUop_Uncached[MAX_UOP_REGS_ID+1] = {
[_STORE_ATTR_WITH_HINT_r21] = _STORE_ATTR_WITH_HINT,
[_STORE_ATTR_SLOT_r21] = _STORE_ATTR_SLOT,
[_COMPARE_OP_r21] = _COMPARE_OP,
[_COMPARE_OP_FLOAT_r01] = _COMPARE_OP_FLOAT,
[_COMPARE_OP_FLOAT_r11] = _COMPARE_OP_FLOAT,
[_COMPARE_OP_FLOAT_r21] = _COMPARE_OP_FLOAT,
[_COMPARE_OP_FLOAT_r32] = _COMPARE_OP_FLOAT,
[_COMPARE_OP_FLOAT_r03] = _COMPARE_OP_FLOAT,
[_COMPARE_OP_FLOAT_r13] = _COMPARE_OP_FLOAT,
[_COMPARE_OP_FLOAT_r23] = _COMPARE_OP_FLOAT,
[_COMPARE_OP_INT_r23] = _COMPARE_OP_INT,
[_COMPARE_OP_STR_r21] = _COMPARE_OP_STR,
[_COMPARE_OP_STR_r23] = _COMPARE_OP_STR,
[_IS_OP_r21] = _IS_OP,
[_CONTAINS_OP_r21] = _CONTAINS_OP,
[_GUARD_TOS_ANY_SET_r01] = _GUARD_TOS_ANY_SET,
@ -4113,14 +4112,13 @@ const char *const _PyOpcode_uop_name[MAX_UOP_REGS_ID+1] = {
[_COMPARE_OP] = "_COMPARE_OP",
[_COMPARE_OP_r21] = "_COMPARE_OP_r21",
[_COMPARE_OP_FLOAT] = "_COMPARE_OP_FLOAT",
[_COMPARE_OP_FLOAT_r01] = "_COMPARE_OP_FLOAT_r01",
[_COMPARE_OP_FLOAT_r11] = "_COMPARE_OP_FLOAT_r11",
[_COMPARE_OP_FLOAT_r21] = "_COMPARE_OP_FLOAT_r21",
[_COMPARE_OP_FLOAT_r32] = "_COMPARE_OP_FLOAT_r32",
[_COMPARE_OP_FLOAT_r03] = "_COMPARE_OP_FLOAT_r03",
[_COMPARE_OP_FLOAT_r13] = "_COMPARE_OP_FLOAT_r13",
[_COMPARE_OP_FLOAT_r23] = "_COMPARE_OP_FLOAT_r23",
[_COMPARE_OP_INT] = "_COMPARE_OP_INT",
[_COMPARE_OP_INT_r23] = "_COMPARE_OP_INT_r23",
[_COMPARE_OP_STR] = "_COMPARE_OP_STR",
[_COMPARE_OP_STR_r21] = "_COMPARE_OP_STR_r21",
[_COMPARE_OP_STR_r23] = "_COMPARE_OP_STR_r23",
[_CONTAINS_OP] = "_CONTAINS_OP",
[_CONTAINS_OP_r21] = "_CONTAINS_OP_r21",
[_CONTAINS_OP_DICT] = "_CONTAINS_OP_DICT",

View file

@ -1664,6 +1664,7 @@ def testfunc(n):
self.assertNotIn("_COMPARE_OP_INT", uops)
self.assertNotIn("_POP_TWO_LOAD_CONST_INLINE_BORROW", uops)
@unittest.skip("TODO (gh-142764): Re-enable after we get back automatic constant propagation.")
def test_compare_op_str_pop_two_load_const_inline_borrow(self):
def testfunc(n):
x = 0
@ -1681,6 +1682,7 @@ def testfunc(n):
self.assertNotIn("_COMPARE_OP_STR", uops)
self.assertNotIn("_POP_TWO_LOAD_CONST_INLINE_BORROW", uops)
@unittest.skip("TODO (gh-142764): Re-enable after we get back automatic constant propagation.")
def test_compare_op_float_pop_two_load_const_inline_borrow(self):
def testfunc(n):
x = 0
@ -2609,6 +2611,36 @@ def testfunc(n):
self.assertIn("_POP_TOP_NOP", uops)
self.assertNotIn("_POP_TOP", uops)
def test_float_cmp_op_refcount_elimination(self):
def testfunc(n):
c = 1.0
res = False
for _ in range(n):
res = c == c
return res
res, ex = self._run_with_optimizer(testfunc, TIER2_THRESHOLD)
self.assertIsNotNone(ex)
uops = get_opnames(ex)
self.assertIn("_COMPARE_OP_FLOAT", uops)
self.assertIn("_POP_TOP_NOP", uops)
self.assertNotIn("_POP_TOP", uops)
def test_str_cmp_op_refcount_elimination(self):
def testfunc(n):
c = "a"
res = False
for _ in range(n):
res = c == c
return res
res, ex = self._run_with_optimizer(testfunc, TIER2_THRESHOLD)
self.assertIsNotNone(ex)
uops = get_opnames(ex)
self.assertIn("_COMPARE_OP_STR", uops)
self.assertIn("_POP_TOP_NOP", uops)
self.assertNotIn("_POP_TOP", uops)
def test_unicode_add_op_refcount_elimination(self):
def testfunc(n):
c = "a"

View file

@ -2713,15 +2713,15 @@ dummy_func(
macro(COMPARE_OP) = _SPECIALIZE_COMPARE_OP + _COMPARE_OP;
macro(COMPARE_OP_FLOAT) =
_GUARD_TOS_FLOAT + _GUARD_NOS_FLOAT + unused/1 + _COMPARE_OP_FLOAT;
_GUARD_TOS_FLOAT + _GUARD_NOS_FLOAT + unused/1 + _COMPARE_OP_FLOAT + _POP_TOP_FLOAT + _POP_TOP_FLOAT;
macro(COMPARE_OP_INT) =
_GUARD_TOS_INT + _GUARD_NOS_INT + unused/1 + _COMPARE_OP_INT + _POP_TOP_INT + _POP_TOP_INT;
macro(COMPARE_OP_STR) =
_GUARD_TOS_UNICODE + _GUARD_NOS_UNICODE + unused/1 + _COMPARE_OP_STR;
_GUARD_TOS_UNICODE + _GUARD_NOS_UNICODE + unused/1 + _COMPARE_OP_STR + _POP_TOP_UNICODE + _POP_TOP_UNICODE;
op(_COMPARE_OP_FLOAT, (left, right -- res)) {
op(_COMPARE_OP_FLOAT, (left, right -- res, l, r)) {
PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);
@ -2730,9 +2730,9 @@ dummy_func(
double dright = PyFloat_AS_DOUBLE(right_o);
// 1 if NaN, 2 if <, 4 if >, 8 if ==; this matches low four bits of the oparg
int sign_ish = COMPARISON_BIT(dleft, dright);
PyStackRef_CLOSE_SPECIALIZED(left, _PyFloat_ExactDealloc);
l = left;
r = right;
DEAD(left);
PyStackRef_CLOSE_SPECIALIZED(right, _PyFloat_ExactDealloc);
DEAD(right);
res = (sign_ish & oparg) ? PyStackRef_True : PyStackRef_False;
// It's always a bool, so we don't care about oparg & 16.
@ -2761,16 +2761,16 @@ dummy_func(
}
// Similar to COMPARE_OP_FLOAT, but for ==, != only
op(_COMPARE_OP_STR, (left, right -- res)) {
op(_COMPARE_OP_STR, (left, right -- res, l, r)) {
PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);
STAT_INC(COMPARE_OP, hit);
int eq = _PyUnicode_Equal(left_o, right_o);
assert((oparg >> 5) == Py_EQ || (oparg >> 5) == Py_NE);
PyStackRef_CLOSE_SPECIALIZED(left, _PyUnicode_ExactDealloc);
l = left;
r = right;
DEAD(left);
PyStackRef_CLOSE_SPECIALIZED(right, _PyUnicode_ExactDealloc);
DEAD(right);
assert(eq == 0 || eq == 1);
assert((oparg & 0xf) == COMPARISON_NOT_EQUALS || (oparg & 0xf) == COMPARISON_EQUALS);

View file

@ -8930,12 +8930,14 @@
break;
}
case _COMPARE_OP_FLOAT_r01: {
case _COMPARE_OP_FLOAT_r03: {
CHECK_CURRENT_CACHED_VALUES(0);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef right;
_PyStackRef left;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
oparg = CURRENT_OPARG();
right = stack_pointer[-1];
left = stack_pointer[-2];
@ -8945,23 +8947,27 @@
double dleft = PyFloat_AS_DOUBLE(left_o);
double dright = PyFloat_AS_DOUBLE(right_o);
int sign_ish = COMPARISON_BIT(dleft, dright);
PyStackRef_CLOSE_SPECIALIZED(left, _PyFloat_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(right, _PyFloat_ExactDealloc);
l = left;
r = right;
res = (sign_ish & oparg) ? PyStackRef_True : PyStackRef_False;
_tos_cache2 = r;
_tos_cache1 = l;
_tos_cache0 = res;
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;
}
case _COMPARE_OP_FLOAT_r11: {
case _COMPARE_OP_FLOAT_r13: {
CHECK_CURRENT_CACHED_VALUES(1);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef right;
_PyStackRef left;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
_PyStackRef _stack_item_0 = _tos_cache0;
oparg = CURRENT_OPARG();
right = _stack_item_0;
@ -8972,23 +8978,27 @@
double dleft = PyFloat_AS_DOUBLE(left_o);
double dright = PyFloat_AS_DOUBLE(right_o);
int sign_ish = COMPARISON_BIT(dleft, dright);
PyStackRef_CLOSE_SPECIALIZED(left, _PyFloat_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(right, _PyFloat_ExactDealloc);
l = left;
r = right;
res = (sign_ish & oparg) ? PyStackRef_True : PyStackRef_False;
_tos_cache2 = r;
_tos_cache1 = l;
_tos_cache0 = res;
SET_CURRENT_CACHED_VALUES(1);
SET_CURRENT_CACHED_VALUES(3);
stack_pointer += -1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}
case _COMPARE_OP_FLOAT_r21: {
case _COMPARE_OP_FLOAT_r23: {
CHECK_CURRENT_CACHED_VALUES(2);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef right;
_PyStackRef left;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
_PyStackRef _stack_item_0 = _tos_cache0;
_PyStackRef _stack_item_1 = _tos_cache1;
oparg = CURRENT_OPARG();
@ -9000,39 +9010,13 @@
double dleft = PyFloat_AS_DOUBLE(left_o);
double dright = PyFloat_AS_DOUBLE(right_o);
int sign_ish = COMPARISON_BIT(dleft, dright);
PyStackRef_CLOSE_SPECIALIZED(left, _PyFloat_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(right, _PyFloat_ExactDealloc);
l = left;
r = right;
res = (sign_ish & oparg) ? PyStackRef_True : PyStackRef_False;
_tos_cache2 = r;
_tos_cache1 = l;
_tos_cache0 = res;
SET_CURRENT_CACHED_VALUES(1);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}
case _COMPARE_OP_FLOAT_r32: {
CHECK_CURRENT_CACHED_VALUES(3);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef right;
_PyStackRef left;
_PyStackRef res;
_PyStackRef _stack_item_0 = _tos_cache0;
_PyStackRef _stack_item_1 = _tos_cache1;
_PyStackRef _stack_item_2 = _tos_cache2;
oparg = CURRENT_OPARG();
right = _stack_item_2;
left = _stack_item_1;
PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);
STAT_INC(COMPARE_OP, hit);
double dleft = PyFloat_AS_DOUBLE(left_o);
double dright = PyFloat_AS_DOUBLE(right_o);
int sign_ish = COMPARISON_BIT(dleft, dright);
PyStackRef_CLOSE_SPECIALIZED(left, _PyFloat_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(right, _PyFloat_ExactDealloc);
res = (sign_ish & oparg) ? PyStackRef_True : PyStackRef_False;
_tos_cache1 = res;
_tos_cache0 = _stack_item_0;
SET_CURRENT_CACHED_VALUES(2);
SET_CURRENT_CACHED_VALUES(3);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}
@ -9071,12 +9055,14 @@
break;
}
case _COMPARE_OP_STR_r21: {
case _COMPARE_OP_STR_r23: {
CHECK_CURRENT_CACHED_VALUES(2);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef right;
_PyStackRef left;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
_PyStackRef _stack_item_0 = _tos_cache0;
_PyStackRef _stack_item_1 = _tos_cache1;
oparg = CURRENT_OPARG();
@ -9087,16 +9073,16 @@
STAT_INC(COMPARE_OP, hit);
int eq = _PyUnicode_Equal(left_o, right_o);
assert((oparg >> 5) == Py_EQ || (oparg >> 5) == Py_NE);
PyStackRef_CLOSE_SPECIALIZED(left, _PyUnicode_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(right, _PyUnicode_ExactDealloc);
l = left;
r = right;
assert(eq == 0 || eq == 1);
assert((oparg & 0xf) == COMPARISON_NOT_EQUALS || (oparg & 0xf) == COMPARISON_EQUALS);
assert(COMPARISON_NOT_EQUALS + 1 == COMPARISON_EQUALS);
res = ((COMPARISON_NOT_EQUALS + eq) & oparg) ? PyStackRef_True : PyStackRef_False;
_tos_cache2 = r;
_tos_cache1 = l;
_tos_cache0 = res;
_tos_cache1 = PyStackRef_ZERO_BITS;
_tos_cache2 = PyStackRef_ZERO_BITS;
SET_CURRENT_CACHED_VALUES(1);
SET_CURRENT_CACHED_VALUES(3);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}

View file

@ -4449,6 +4449,8 @@
_PyStackRef left;
_PyStackRef right;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
// _GUARD_TOS_FLOAT
{
value = stack_pointer[-1];
@ -4479,10 +4481,22 @@
double dleft = PyFloat_AS_DOUBLE(left_o);
double dright = PyFloat_AS_DOUBLE(right_o);
int sign_ish = COMPARISON_BIT(dleft, dright);
PyStackRef_CLOSE_SPECIALIZED(left, _PyFloat_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(right, _PyFloat_ExactDealloc);
l = left;
r = right;
res = (sign_ish & oparg) ? PyStackRef_True : PyStackRef_False;
}
// _POP_TOP_FLOAT
{
value = r;
assert(PyFloat_CheckExact(PyStackRef_AsPyObjectBorrow(value)));
PyStackRef_CLOSE_SPECIALIZED(value, _PyFloat_ExactDealloc);
}
// _POP_TOP_FLOAT
{
value = l;
assert(PyFloat_CheckExact(PyStackRef_AsPyObjectBorrow(value)));
PyStackRef_CLOSE_SPECIALIZED(value, _PyFloat_ExactDealloc);
}
stack_pointer[-2] = res;
stack_pointer += -1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
@ -4578,6 +4592,8 @@
_PyStackRef left;
_PyStackRef right;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
// _GUARD_TOS_UNICODE
{
value = stack_pointer[-1];
@ -4608,13 +4624,25 @@
STAT_INC(COMPARE_OP, hit);
int eq = _PyUnicode_Equal(left_o, right_o);
assert((oparg >> 5) == Py_EQ || (oparg >> 5) == Py_NE);
PyStackRef_CLOSE_SPECIALIZED(left, _PyUnicode_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(right, _PyUnicode_ExactDealloc);
l = left;
r = right;
assert(eq == 0 || eq == 1);
assert((oparg & 0xf) == COMPARISON_NOT_EQUALS || (oparg & 0xf) == COMPARISON_EQUALS);
assert(COMPARISON_NOT_EQUALS + 1 == COMPARISON_EQUALS);
res = ((COMPARISON_NOT_EQUALS + eq) & oparg) ? PyStackRef_True : PyStackRef_False;
}
// _POP_TOP_UNICODE
{
value = r;
assert(PyUnicode_CheckExact(PyStackRef_AsPyObjectBorrow(value)));
PyStackRef_CLOSE_SPECIALIZED(value, _PyUnicode_ExactDealloc);
}
// _POP_TOP_UNICODE
{
value = l;
assert(PyUnicode_CheckExact(PyStackRef_AsPyObjectBorrow(value)));
PyStackRef_CLOSE_SPECIALIZED(value, _PyUnicode_ExactDealloc);
}
stack_pointer[-2] = res;
stack_pointer += -1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);

View file

@ -466,14 +466,16 @@ dummy_func(void) {
r = right;
}
op(_COMPARE_OP_FLOAT, (left, right -- res)) {
REPLACE_OPCODE_IF_EVALUATES_PURE(left, right);
op(_COMPARE_OP_FLOAT, (left, right -- res, l, r)) {
res = sym_new_type(ctx, &PyBool_Type);
l = left;
r = right;
}
op(_COMPARE_OP_STR, (left, right -- res)) {
REPLACE_OPCODE_IF_EVALUATES_PURE(left, right);
op(_COMPARE_OP_STR, (left, right -- res, l, r)) {
res = sym_new_type(ctx, &PyBool_Type);
l = left;
r = right;
}
op(_IS_OP, (left, right -- b)) {

View file

@ -1818,46 +1818,18 @@
JitOptRef right;
JitOptRef left;
JitOptRef res;
JitOptRef l;
JitOptRef r;
right = stack_pointer[-1];
left = stack_pointer[-2];
if (
sym_is_safe_const(ctx, left) &&
sym_is_safe_const(ctx, right)
) {
JitOptRef left_sym = left;
JitOptRef right_sym = right;
_PyStackRef left = sym_get_const_as_stackref(ctx, left_sym);
_PyStackRef right = sym_get_const_as_stackref(ctx, right_sym);
_PyStackRef res_stackref;
/* Start of uop copied from bytecodes for constant evaluation */
PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);
STAT_INC(COMPARE_OP, hit);
double dleft = PyFloat_AS_DOUBLE(left_o);
double dright = PyFloat_AS_DOUBLE(right_o);
int sign_ish = COMPARISON_BIT(dleft, dright);
PyStackRef_CLOSE_SPECIALIZED(left, _PyFloat_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(right, _PyFloat_ExactDealloc);
res_stackref = (sign_ish & oparg) ? PyStackRef_True : PyStackRef_False;
/* End of uop copied from bytecodes for constant evaluation */
res = sym_new_const_steal(ctx, PyStackRef_AsPyObjectSteal(res_stackref));
if (sym_is_const(ctx, res)) {
PyObject *result = sym_get_const(ctx, res);
if (_Py_IsImmortal(result)) {
// Replace with _POP_TWO_LOAD_CONST_INLINE_BORROW since we have two inputs and an immortal result
REPLACE_OP(this_instr, _POP_TWO_LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)result);
}
}
CHECK_STACK_BOUNDS(-1);
stack_pointer[-2] = res;
stack_pointer += -1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
break;
}
res = sym_new_type(ctx, &PyBool_Type);
CHECK_STACK_BOUNDS(-1);
l = left;
r = right;
CHECK_STACK_BOUNDS(1);
stack_pointer[-2] = res;
stack_pointer += -1;
stack_pointer[-1] = l;
stack_pointer[0] = r;
stack_pointer += 1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
break;
}
@ -1886,48 +1858,18 @@
JitOptRef right;
JitOptRef left;
JitOptRef res;
JitOptRef l;
JitOptRef r;
right = stack_pointer[-1];
left = stack_pointer[-2];
if (
sym_is_safe_const(ctx, left) &&
sym_is_safe_const(ctx, right)
) {
JitOptRef left_sym = left;
JitOptRef right_sym = right;
_PyStackRef left = sym_get_const_as_stackref(ctx, left_sym);
_PyStackRef right = sym_get_const_as_stackref(ctx, right_sym);
_PyStackRef res_stackref;
/* Start of uop copied from bytecodes for constant evaluation */
PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);
STAT_INC(COMPARE_OP, hit);
int eq = _PyUnicode_Equal(left_o, right_o);
assert((oparg >> 5) == Py_EQ || (oparg >> 5) == Py_NE);
PyStackRef_CLOSE_SPECIALIZED(left, _PyUnicode_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(right, _PyUnicode_ExactDealloc);
assert(eq == 0 || eq == 1);
assert((oparg & 0xf) == COMPARISON_NOT_EQUALS || (oparg & 0xf) == COMPARISON_EQUALS);
assert(COMPARISON_NOT_EQUALS + 1 == COMPARISON_EQUALS);
res_stackref = ((COMPARISON_NOT_EQUALS + eq) & oparg) ? PyStackRef_True : PyStackRef_False;
/* End of uop copied from bytecodes for constant evaluation */
res = sym_new_const_steal(ctx, PyStackRef_AsPyObjectSteal(res_stackref));
if (sym_is_const(ctx, res)) {
PyObject *result = sym_get_const(ctx, res);
if (_Py_IsImmortal(result)) {
// Replace with _POP_TWO_LOAD_CONST_INLINE_BORROW since we have two inputs and an immortal result
REPLACE_OP(this_instr, _POP_TWO_LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)result);
}
}
CHECK_STACK_BOUNDS(-1);
stack_pointer[-2] = res;
stack_pointer += -1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
break;
}
res = sym_new_type(ctx, &PyBool_Type);
CHECK_STACK_BOUNDS(-1);
l = left;
r = right;
CHECK_STACK_BOUNDS(1);
stack_pointer[-2] = res;
stack_pointer += -1;
stack_pointer[-1] = l;
stack_pointer[0] = r;
stack_pointer += 1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
break;
}