diff a/src/hotspot/cpu/ppc/c1_LIRGenerator_ppc.cpp b/src/hotspot/cpu/ppc/c1_LIRGenerator_ppc.cpp
--- a/src/hotspot/cpu/ppc/c1_LIRGenerator_ppc.cpp
+++ b/src/hotspot/cpu/ppc/c1_LIRGenerator_ppc.cpp
@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2005, 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2026, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2012, 2024 SAP SE. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
@@ -841,11 +841,11 @@
   LIR_Opr klass_reg = FrameMap::R4_metadata_opr; // Used by slow path (NewInstanceStub).
   LIR_Opr tmp1 = FrameMap::R5_oop_opr;
   LIR_Opr tmp2 = FrameMap::R6_oop_opr;
   LIR_Opr tmp3 = FrameMap::R7_oop_opr;
   LIR_Opr tmp4 = FrameMap::R8_oop_opr;
-  new_instance(reg, x->klass(), x->is_unresolved(), tmp1, tmp2, tmp3, tmp4, klass_reg, info);
+  new_instance(reg, x->klass(), x->is_unresolved(), /* allow_inline */ false, tmp1, tmp2, tmp3, tmp4, klass_reg, info);
 
   // Must prevent reordering of stores for object initialization
   // with stores that publish the new object.
   __ membar_storestore();
   LIR_Opr result = rlock_result(x);
@@ -1025,11 +1025,11 @@
   LIR_Opr tmp1 = FrameMap::R4_oop_opr; // super_klass
   LIR_Opr tmp2 = FrameMap::R5_oop_opr; // sub_klass
   LIR_Opr tmp3 = FrameMap::R6_oop_opr; // temp
   __ checkcast(out_reg, obj.result(), x->klass(), tmp1, tmp2, tmp3,
                x->direct_compare(), info_for_exception, patching_info, stub,
-               x->profiled_method(), x->profiled_bci());
+               x->profiled_method(), x->profiled_bci(), /*is_null_free*/ false);
 }
 
 
 void LIRGenerator::do_InstanceOf(InstanceOf* x) {
   LIRItem obj(x->obj(), this);