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GH-128685: Specialize (rather than quicken) LOAD_CONST into LOAD_CONST_[IM]MORTAL (GH-128708)

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Mark Shannon 2025-01-13 10:30:28 +00:00 • committed by GitHub
parent 29fe8072cf
commit ddd959987c
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14 changed files with 121 additions and 65 deletions
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Python/specialize.c
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@ -478,15 +478,6 @@ _PyCode_Quicken(_Py_CODEUNIT *instructions, Py_ssize_t size, PyObject *consts,
}
i += caches;
}
else if (opcode == LOAD_CONST) {
/* We can't do this in the bytecode compiler as
* marshalling can intern strings and make them immortal. */
PyObject *obj = PyTuple_GET_ITEM(consts, oparg);
if (_Py_IsImmortal(obj)) {
instructions[i].op.code = LOAD_CONST_IMMORTAL;
}
}
if (opcode != EXTENDED_ARG) {
oparg = 0;
}