GH-118093: Make `CALL_ALLOC_AND_ENTER_INIT` suitable for tier 2. (GH-123140)

* Convert CALL_ALLOC_AND_ENTER_INIT to micro-ops such that tier 2 supports it

* Allow inexact arguments for CALL_ALLOC_AND_ENTER_INIT.

1 files changed, 18 insertions, 1 deletions

diff --git a/Python/optimizer_bytecodes.c b/Python/optimizer_bytecodes.c
index 97e4c64..6e46d9b 100644
--- a/Python/optimizer_bytecodes.c
+++ b/Python/optimizer_bytecodes.c
@@ -627,7 +627,7 @@ dummy_func(void) {
         ctx->done = true;
     }
 
-    op(_PY_FRAME_KW, (callable, self_or_null, args[oparg], kwnames -- new_frame: _Py_UOpsAbstractFrame*)) {
+    op(_PY_FRAME_KW, (callable, self_or_null, args[oparg], kwnames -- new_frame: _Py_UOpsAbstractFrame *)) {
         (void)callable;
         (void)self_or_null;
         (void)args;
@@ -636,6 +636,23 @@ dummy_func(void) {
         ctx->done = true;
     }
 
+    op(_CHECK_AND_ALLOCATE_OBJECT, (type_version/2, callable, null, args[oparg] -- self, init, args[oparg])) {
+        (void)type_version;
+        (void)callable;
+        (void)null;
+        (void)args;
+        self = sym_new_not_null(ctx);
+        init = sym_new_not_null(ctx);
+    }
+
+    op(_CREATE_INIT_FRAME, (self, init, args[oparg] -- init_frame: _Py_UOpsAbstractFrame *)) {
+        (void)self;
+        (void)init;
+        (void)args;
+        init_frame = NULL;
+        ctx->done = true;
+    }
+
     op(_RETURN_VALUE, (retval -- res)) {
         SYNC_SP();
         ctx->frame->stack_pointer = stack_pointer;