Support compilation of ArrayNode.

runtime/vm/flow_graph_compiler_x64.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_FLOW_GRAPH_COMPILER_X64_H_
 #define VM_FLOW_GRAPH_COMPILER_X64_H_
 
 #ifndef VM_FLOW_GRAPH_COMPILER_H_
 #error Include flow_graph_compiler.h instead of flow_graph_compiler_x64.h.
 #endif
@@ skipping 47 matching lines @@
   // Each visit function compiles a type of instruction.
 #define DECLARE_VISIT_INSTRUCTION(ShortName)                                   \
   virtual void Visit##ShortName(ShortName##Instr* instr);
 
   FOR_EACH_COMPUTATION(DECLARE_VISIT_COMPUTATION)
   FOR_EACH_INSTRUCTION(DECLARE_VISIT_INSTRUCTION)
 
 #undef DECLARE_VISIT_COMPUTATION
 #undef DECLARE_VISIT_INSTRUCTION
 
-  // Emit code to load a Value into register RAX.
-  void LoadValue(Value* value);
+  // Emit code to load a Value into register 'dst'.
+  void LoadValue(Register dst, Value* value);
 
   // Emit an instance call.
   void EmitInstanceCall(intptr_t node_id,
                         intptr_t token_index,
                         const String& function_name,
                         intptr_t argument_count,
                         const Array& argument_names,
                         intptr_t checked_argument_count);
 
   // Infrastructure copied from class CodeGenerator.
@@ skipping 24 matching lines @@
 
   CodeGenerator::DescriptorList* pc_descriptors_list_;
   int stack_local_count_;
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphCompiler);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_COMPILER_X64_H_