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gh-134584: JIT: Eliminate redundant refcount ops for X_INT (GH-142765)

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Ken Jin 2025-12-16 06:22:18 +08:00 • committed by GitHub
parent 0978b9a7d5
commit 790a46a449
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GPG key ID: B5690EEEBB952194
9 changed files with 1050 additions and 1246 deletions
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227
Python/executor_cases.c.h generated
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@ -3353,12 +3353,14 @@
break;
}
case _BINARY_OP_MULTIPLY_INT_r01: {
case _BINARY_OP_MULTIPLY_INT_r03: {
CHECK_CURRENT_CACHED_VALUES(0);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef right;
_PyStackRef left;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
right = stack_pointer[-1];
left = stack_pointer[-2];
PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
@ -3373,22 +3375,26 @@
SET_CURRENT_CACHED_VALUES(0);
JUMP_TO_JUMP_TARGET();
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
l = left;
r = right;
_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 _BINARY_OP_MULTIPLY_INT_r11: {
case _BINARY_OP_MULTIPLY_INT_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;
right = _stack_item_0;
left = stack_pointer[-1];
@ -3405,22 +3411,26 @@
SET_CURRENT_CACHED_VALUES(1);
JUMP_TO_JUMP_TARGET();
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
l = left;
r = right;
_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 _BINARY_OP_MULTIPLY_INT_r21: {
case _BINARY_OP_MULTIPLY_INT_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;
right = _stack_item_1;
@ -3439,55 +3449,24 @@
SET_CURRENT_CACHED_VALUES(2);
JUMP_TO_JUMP_TARGET();
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
l = left;
r = right;
_tos_cache2 = r;
_tos_cache1 = l;
_tos_cache0 = res;
SET_CURRENT_CACHED_VALUES(1);
SET_CURRENT_CACHED_VALUES(3);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}
case _BINARY_OP_MULTIPLY_INT_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;
right = _stack_item_2;
left = _stack_item_1;
PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);
assert(PyLong_CheckExact(left_o));
assert(PyLong_CheckExact(right_o));
assert(_PyLong_BothAreCompact((PyLongObject *)left_o, (PyLongObject *)right_o));
STAT_INC(BINARY_OP, hit);
res = _PyCompactLong_Multiply((PyLongObject *)left_o, (PyLongObject *)right_o);
if (PyStackRef_IsNull(res)) {
UOP_STAT_INC(uopcode, miss);
_tos_cache2 = right;
_tos_cache1 = left;
_tos_cache0 = _stack_item_0;
SET_CURRENT_CACHED_VALUES(3);
JUMP_TO_JUMP_TARGET();
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
_tos_cache1 = res;
_tos_cache0 = _stack_item_0;
SET_CURRENT_CACHED_VALUES(2);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}
case _BINARY_OP_ADD_INT_r01: {
case _BINARY_OP_ADD_INT_r03: {
CHECK_CURRENT_CACHED_VALUES(0);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef right;
_PyStackRef left;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
right = stack_pointer[-1];
left = stack_pointer[-2];
PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
@ -3502,22 +3481,26 @@
SET_CURRENT_CACHED_VALUES(0);
JUMP_TO_JUMP_TARGET();
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
l = left;
r = right;
_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 _BINARY_OP_ADD_INT_r11: {
case _BINARY_OP_ADD_INT_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;
right = _stack_item_0;
left = stack_pointer[-1];
@ -3534,22 +3517,26 @@
SET_CURRENT_CACHED_VALUES(1);
JUMP_TO_JUMP_TARGET();
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
l = left;
r = right;
_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 _BINARY_OP_ADD_INT_r21: {
case _BINARY_OP_ADD_INT_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;
right = _stack_item_1;
@ -3568,55 +3555,24 @@
SET_CURRENT_CACHED_VALUES(2);
JUMP_TO_JUMP_TARGET();
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
l = left;
r = right;
_tos_cache2 = r;
_tos_cache1 = l;
_tos_cache0 = res;
SET_CURRENT_CACHED_VALUES(1);
SET_CURRENT_CACHED_VALUES(3);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}
case _BINARY_OP_ADD_INT_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;
right = _stack_item_2;
left = _stack_item_1;
PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);
assert(PyLong_CheckExact(left_o));
assert(PyLong_CheckExact(right_o));
assert(_PyLong_BothAreCompact((PyLongObject *)left_o, (PyLongObject *)right_o));
STAT_INC(BINARY_OP, hit);
res = _PyCompactLong_Add((PyLongObject *)left_o, (PyLongObject *)right_o);
if (PyStackRef_IsNull(res)) {
UOP_STAT_INC(uopcode, miss);
_tos_cache2 = right;
_tos_cache1 = left;
_tos_cache0 = _stack_item_0;
SET_CURRENT_CACHED_VALUES(3);
JUMP_TO_JUMP_TARGET();
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
_tos_cache1 = res;
_tos_cache0 = _stack_item_0;
SET_CURRENT_CACHED_VALUES(2);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}
case _BINARY_OP_SUBTRACT_INT_r01: {
case _BINARY_OP_SUBTRACT_INT_r03: {
CHECK_CURRENT_CACHED_VALUES(0);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
_PyStackRef right;
_PyStackRef left;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
right = stack_pointer[-1];
left = stack_pointer[-2];
PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
@ -3631,22 +3587,26 @@
SET_CURRENT_CACHED_VALUES(0);
JUMP_TO_JUMP_TARGET();
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
l = left;
r = right;
_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 _BINARY_OP_SUBTRACT_INT_r11: {
case _BINARY_OP_SUBTRACT_INT_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;
right = _stack_item_0;
left = stack_pointer[-1];
@ -3663,22 +3623,26 @@
SET_CURRENT_CACHED_VALUES(1);
JUMP_TO_JUMP_TARGET();
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
l = left;
r = right;
_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 _BINARY_OP_SUBTRACT_INT_r21: {
case _BINARY_OP_SUBTRACT_INT_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;
right = _stack_item_1;
@ -3697,45 +3661,12 @@
SET_CURRENT_CACHED_VALUES(2);
JUMP_TO_JUMP_TARGET();
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
l = left;
r = right;
_tos_cache2 = r;
_tos_cache1 = l;
_tos_cache0 = res;
SET_CURRENT_CACHED_VALUES(1);
assert(WITHIN_STACK_BOUNDS_IGNORING_CACHE());
break;
}
case _BINARY_OP_SUBTRACT_INT_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;
right = _stack_item_2;
left = _stack_item_1;
PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);
assert(PyLong_CheckExact(left_o));
assert(PyLong_CheckExact(right_o));
assert(_PyLong_BothAreCompact((PyLongObject *)left_o, (PyLongObject *)right_o));
STAT_INC(BINARY_OP, hit);
res = _PyCompactLong_Subtract((PyLongObject *)left_o, (PyLongObject *)right_o);
if (PyStackRef_IsNull(res)) {
UOP_STAT_INC(uopcode, miss);
_tos_cache2 = right;
_tos_cache1 = left;
_tos_cache0 = _stack_item_0;
SET_CURRENT_CACHED_VALUES(3);
JUMP_TO_JUMP_TARGET();
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
_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;
}
@ -9054,12 +8985,14 @@
break;
}
case _COMPARE_OP_INT_r21: {
case _COMPARE_OP_INT_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();
@ -9075,13 +9008,13 @@
Py_ssize_t ileft = _PyLong_CompactValue((PyLongObject *)left_o);
Py_ssize_t iright = _PyLong_CompactValue((PyLongObject *)right_o);
int sign_ish = COMPARISON_BIT(ileft, iright);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
l = left;
r = right;
res = (sign_ish & 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;
}