Simple register allocation for ARM. Only top of expression...

src/virtual-frame-heavy-inl.h

 // Copyright 2010 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 113 matching lines @@
   for (int i = 0; i < expression_base_index(); i++) {
     SpillElementAt(i);
   }
 }
 
 
 void VirtualFrame::SetTypeForParamAt(int index, TypeInfo info) {
   elements_[param0_index() + index].set_type_info(info);
 }
 
+
+void VirtualFrame::Nip(int num_dropped) {
+  ASSERT(num_dropped >= 0);
+  if (num_dropped == 0) return;
+  Result tos = Pop();
+  if (num_dropped > 1) {
+    Drop(num_dropped - 1);
+  }
+  SetElementAt(0, &tos);
+}
+
+
+void VirtualFrame::Push(Smi* value) {
+  Push(Handle<Object> (value));
+}
+
 } }  // namespace v8::internal
 
 #endif  // V8_VIRTUAL_FRAME_HEAVY_INL_H_