X64 implementation: if-then-else

src/x64/virtual-frame-x64.cc

 // 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 374 matching lines @@
     elements_[top_index] = new_top;
   } else {
     // The stored-to slot holds the same value as the top but
     // unsynced.  (We do not have copies of constants yet.)
     ASSERT(top.is_constant());
     elements_[index].clear_sync();
   }
 }
 
 
+void VirtualFrame::MakeMergable() {
+  // UNIMPLEMENTED();
+}
+
 void VirtualFrame::MergeTo(VirtualFrame* a) {
   UNIMPLEMENTED();
 }
 
 
 Result VirtualFrame::Pop() {
   FrameElement element = elements_.RemoveLast();
   int index = element_count();
   ASSERT(element.is_valid());
 
@@ skipping 232 matching lines @@
   PrepareForCall(arg_count + 2, arg_count + 1);
   return RawCallCodeObject(ic, mode);
 }
 
 
 
 
 #undef __
 
 } }  // namespace v8::internal