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gh-131798: Add _IS_NONE to the JIT optimizer (GH-148369)

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Wulian233 2026-04-11 23:02:46 +08:00 • committed by GitHub
parent 1c89817f51
commit a059e85866
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3 changed files with 37 additions and 1 deletions
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10
Python/optimizer_bytecodes.c
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@ -724,6 +724,16 @@ dummy_func(void) {
r = right;
}
op(_IS_NONE, (value -- b)) {
if (sym_is_const(ctx, value)) {
PyObject *value_o = sym_get_const(ctx, value);
b = sym_new_const(ctx, Py_IsNone(value_o) ? Py_True : Py_False);
}
else {
b = sym_new_type(ctx, &PyBool_Type);
}
}
op(_CONTAINS_OP, (left, right -- b, l, r)) {
b = sym_new_type(ctx, &PyBool_Type);
l = left;

10
Python/optimizer_cases.c.h generated
View file

@ -3193,8 +3193,16 @@
/* _POP_JUMP_IF_TRUE is not a viable micro-op for tier 2 */
case _IS_NONE: {
JitOptRef value;
JitOptRef b;
b = sym_new_not_null(ctx);
value = stack_pointer[-1];
if (sym_is_const(ctx, value)) {
PyObject *value_o = sym_get_const(ctx, value);
b = sym_new_const(ctx, Py_IsNone(value_o) ? Py_True : Py_False);
}
else {
b = sym_new_type(ctx, &PyBool_Type);
}
stack_pointer[-1] = b;
break;
}