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gh-144007: Eliminate redundant refcounting in the JIT for BINARY_OP (GH-144011)

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AN Long 2026-01-24 18:35:32 +09:00 • committed by GitHub
parent 29f1e778fa
commit 4e10fa993a
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11 changed files with 105 additions and 48 deletions
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27
Python/generated_cases.c.h generated
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@ -32,6 +32,9 @@
_PyStackRef lhs;
_PyStackRef rhs;
_PyStackRef res;
_PyStackRef l;
_PyStackRef r;
_PyStackRef value;
// _SPECIALIZE_BINARY_OP
{
rhs = stack_pointer[-1];
@ -65,18 +68,26 @@
JUMP_TO_LABEL(error);
}
res = PyStackRef_FromPyObjectSteal(res_o);
l = lhs;
r = rhs;
}
// _POP_TOP
{
value = r;
stack_pointer[-2] = res;
stack_pointer[-1] = l;
_PyFrame_SetStackPointer(frame, stack_pointer);
_PyStackRef tmp = lhs;
lhs = res;
stack_pointer[-2] = lhs;
PyStackRef_CLOSE(tmp);
tmp = rhs;
rhs = PyStackRef_NULL;
stack_pointer[-1] = rhs;
PyStackRef_CLOSE(tmp);
PyStackRef_XCLOSE(value);
stack_pointer = _PyFrame_GetStackPointer(frame);
}
// _POP_TOP
{
value = l;
stack_pointer += -1;
ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
_PyFrame_SetStackPointer(frame, stack_pointer);
PyStackRef_XCLOSE(value);
stack_pointer = _PyFrame_GetStackPointer(frame);
}
DISPATCH();
}