src/hotspot/cpu/x86/c1_Runtime1_x86.cpp

*** 1182,1192 ****
          OopMap* map = save_live_registers(sasm, 3);
          int call_offset;
          if (id == new_type_array_id) {
            call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_type_array), klass, length);
          } else {
!           // Runtime1::new_object_array handles both object and value arrays
            call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_object_array), klass, length);
          }
  
          oop_maps = new OopMapSet();
          oop_maps->add_gc_map(call_offset, map);
--- 1182,1193 ----
          OopMap* map = save_live_registers(sasm, 3);
          int call_offset;
          if (id == new_type_array_id) {
            call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_type_array), klass, length);
          } else {
!           // Runtime1::new_object_array handles both object and value arrays.
!           // new_value_array_id is needed only for the ASSERT block above.
            call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_object_array), klass, length);
          }
  
          oop_maps = new OopMapSet();
          oop_maps->add_gc_map(call_offset, map);
*** 1215,1224 ****
--- 1216,1245 ----
          // rax,: new multi array
          __ verify_oop(rax);
        }
        break;
  
+     case load_flattened_array_id:
+       {
+         StubFrame f(sasm, "load_flattened_array", dont_gc_arguments);
+         OopMap* map = save_live_registers(sasm, 3);
+ 
+         // Called with store_parameter and not C abi
+ 
+         f.load_argument(1, rax); // rax,: array
+         f.load_argument(0, rbx); // rbx,: index
+         int call_offset = __ call_RT(rax, noreg, CAST_FROM_FN_PTR(address, load_flattened_array), rax, rbx);
+ 
+         oop_maps = new OopMapSet();
+         oop_maps->add_gc_map(call_offset, map);
+         restore_live_registers_except_rax(sasm);
+ 
+         // rax,: loaded element at array[index]
+         __ verify_oop(rax);
+       }
+       break;
+ 
      case register_finalizer_id:
        {
          __ set_info("register_finalizer", dont_gc_arguments);
  
          // This is called via call_runtime so the arguments