Use one runtime call for creating object/array literals in...

src/arm/virtual-frame-arm.h

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 328 matching lines @@
   Result Pop();
 
   // Pop and save an element from the top of the expression stack and
   // emit a corresponding pop instruction.
   void EmitPop(Register reg);
 
   // Push an element on top of the expression stack and emit a
   // corresponding push instruction.
   void EmitPush(Register reg);
 
+  // Push multiple registers on the stack and the virtual frame
+  // Register are selected by setting bit in src_regs and
+  // are pushed in decreasing order: r15 .. r0.
+  void EmitPushMultiple(int count, int src_regs);
+
   // Push an element on the virtual frame.
   void Push(Register reg);
   void Push(Handle<Object> value);
   void Push(Smi* value) { Push(Handle<Object>(value)); }
 
   // Pushing a result invalidates it (its contents become owned by the frame).
   void Push(Result* result) {
     if (result->is_register()) {
       Push(result->reg());
     } else {
@@ skipping 156 matching lines @@
 
   // Classes that need raw access to the elements_ array.
   friend class DeferredCode;
   friend class JumpTarget;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_VIRTUAL_FRAME_ARM_H_