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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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72
Python/generated_cases.c.h generated
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@ -170,6 +170,8 @@
_PyStackRef left;
_PyStackRef right;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
// _GUARD_TOS_INT
{
value = stack_pointer[-1];
@ -206,8 +208,20 @@
assert(_PyOpcode_Deopt[opcode] == (BINARY_OP));
JUMP_TO_PREDICTED(BINARY_OP);
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
l = left;
r = right;
}
// _POP_TOP_INT
{
value = r;
assert(PyLong_CheckExact(PyStackRef_AsPyObjectBorrow(value)));
PyStackRef_CLOSE_SPECIALIZED(value, _PyLong_ExactDealloc);
}
// _POP_TOP_INT
{
value = l;
assert(PyLong_CheckExact(PyStackRef_AsPyObjectBorrow(value)));
PyStackRef_CLOSE_SPECIALIZED(value, _PyLong_ExactDealloc);
}
stack_pointer[-2] = res;
stack_pointer += -1;
@ -511,6 +525,8 @@
_PyStackRef left;
_PyStackRef right;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
// _GUARD_TOS_INT
{
value = stack_pointer[-1];
@ -547,8 +563,20 @@
assert(_PyOpcode_Deopt[opcode] == (BINARY_OP));
JUMP_TO_PREDICTED(BINARY_OP);
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
l = left;
r = right;
}
// _POP_TOP_INT
{
value = r;
assert(PyLong_CheckExact(PyStackRef_AsPyObjectBorrow(value)));
PyStackRef_CLOSE_SPECIALIZED(value, _PyLong_ExactDealloc);
}
// _POP_TOP_INT
{
value = l;
assert(PyLong_CheckExact(PyStackRef_AsPyObjectBorrow(value)));
PyStackRef_CLOSE_SPECIALIZED(value, _PyLong_ExactDealloc);
}
stack_pointer[-2] = res;
stack_pointer += -1;
@ -1109,6 +1137,8 @@
_PyStackRef left;
_PyStackRef right;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
// _GUARD_TOS_INT
{
value = stack_pointer[-1];
@ -1145,8 +1175,20 @@
assert(_PyOpcode_Deopt[opcode] == (BINARY_OP));
JUMP_TO_PREDICTED(BINARY_OP);
}
PyStackRef_CLOSE_SPECIALIZED(right, _PyLong_ExactDealloc);
PyStackRef_CLOSE_SPECIALIZED(left, _PyLong_ExactDealloc);
l = left;
r = right;
}
// _POP_TOP_INT
{
value = r;
assert(PyLong_CheckExact(PyStackRef_AsPyObjectBorrow(value)));
PyStackRef_CLOSE_SPECIALIZED(value, _PyLong_ExactDealloc);
}
// _POP_TOP_INT
{
value = l;
assert(PyLong_CheckExact(PyStackRef_AsPyObjectBorrow(value)));
PyStackRef_CLOSE_SPECIALIZED(value, _PyLong_ExactDealloc);
}
stack_pointer[-2] = res;
stack_pointer += -1;
@ -4544,6 +4586,8 @@
_PyStackRef left;
_PyStackRef right;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
// _GUARD_TOS_INT
{
value = stack_pointer[-1];
@ -4578,10 +4622,22 @@
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;
}
// _POP_TOP_INT
{
value = r;
assert(PyLong_CheckExact(PyStackRef_AsPyObjectBorrow(value)));
PyStackRef_CLOSE_SPECIALIZED(value, _PyLong_ExactDealloc);
}
// _POP_TOP_INT
{
value = l;
assert(PyLong_CheckExact(PyStackRef_AsPyObjectBorrow(value)));
PyStackRef_CLOSE_SPECIALIZED(value, _PyLong_ExactDealloc);
}
stack_pointer[-2] = res;
stack_pointer += -1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);