mark tier2 ops

Author: eendebakpt

Lib/test/test_capi/test_opt.py

@@ -3937,7 +3937,7 @@ def testfunc(n):
             for _ in range(n):
                 c = a + b    # result type is list (known)
                 d = b + c    # rhs (c) is known list, lhs (b) is not -> _GUARD_BINARY_OP_EXTEND_LHS
-                total += d[0]
+                total += d[2]
             return total
 
         res, ex = self._run_with_optimizer(testfunc, TIER2_THRESHOLD)

Python/bytecodes.c

@@ -961,15 +961,15 @@ dummy_func(
             res = PyStackRef_FromPyObjectSteal(temp);
         }
 
-       op(_GUARD_BINARY_OP_EXTEND_LHS, (descr/4, left, right -- left, right)) {
+       tier2 op(_GUARD_BINARY_OP_EXTEND_LHS, (descr/4, left, right -- left, right)) {
             PyObject *left_o = PyStackRef_AsPyObjectBorrow(left);
             _PyBinaryOpSpecializationDescr *d = (_PyBinaryOpSpecializationDescr*)descr;
             assert(INLINE_CACHE_ENTRIES_BINARY_OP == 5);
             assert(d && d->guard == NULL && d->lhs_type != NULL);
             EXIT_IF(Py_TYPE(left_o) != d->lhs_type);
         }
 
-       op(_GUARD_BINARY_OP_EXTEND_RHS, (descr/4, left, right -- left, right)) {
+       tier2 op(_GUARD_BINARY_OP_EXTEND_RHS, (descr/4, left, right -- left, right)) {
             PyObject *right_o = PyStackRef_AsPyObjectBorrow(right);
             _PyBinaryOpSpecializationDescr *d = (_PyBinaryOpSpecializationDescr*)descr;
             assert(INLINE_CACHE_ENTRIES_BINARY_OP == 5);