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GH-132732: Use pure op machinery to optimize COMPARE_OP_INT/FLOAT/STR (#137062)

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Co-authored-by: Ken Jin <kenjin4096@gmail.com>
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Savannah Bailey 2025-07-25 19:02:04 -07:00 • committed by GitHub
parent 1e69cd1634
commit f7c380ef67
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6 changed files with 237 additions and 39 deletions
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22
Python/optimizer_bytecodes.c
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@ -430,31 +430,17 @@ dummy_func(void) {
}
op(_COMPARE_OP_INT, (left, right -- res)) {
if (sym_is_const(ctx, left) && sym_is_const(ctx, right)) {
assert(PyLong_CheckExact(sym_get_const(ctx, left)));
assert(PyLong_CheckExact(sym_get_const(ctx, right)));
PyObject *tmp = PyObject_RichCompare(sym_get_const(ctx, left),
sym_get_const(ctx, right),
oparg >> 5);
if (tmp == NULL) {
goto error;
}
assert(PyBool_Check(tmp));
assert(_Py_IsImmortal(tmp));
REPLACE_OP(this_instr, _POP_TWO_LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)tmp);
res = sym_new_const(ctx, tmp);
Py_DECREF(tmp);
}
else {
res = sym_new_type(ctx, &PyBool_Type);
}
REPLACE_OPCODE_IF_EVALUATES_PURE(left, right);
res = sym_new_type(ctx, &PyBool_Type);
}
op(_COMPARE_OP_FLOAT, (left, right -- res)) {
REPLACE_OPCODE_IF_EVALUATES_PURE(left, right);
res = sym_new_type(ctx, &PyBool_Type);
}
op(_COMPARE_OP_STR, (left, right -- res)) {
REPLACE_OPCODE_IF_EVALUATES_PURE(left, right);
res = sym_new_type(ctx, &PyBool_Type);
}