Simplify the way the code generator handles calls to IC stubs. Before...

src/virtual-frame.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 437 matching lines @@
                                     RelocInfo::Mode rmode,
                                     int dropped_args) {
   int spilled_args = 0;
   switch (code->kind()) {
     case Code::CALL_IC:
       spilled_args = dropped_args + 1;
       break;
     case Code::FUNCTION:
       spilled_args = dropped_args + 1;
       break;
+#ifdef ARM
     case Code::KEYED_LOAD_IC:
       ASSERT(dropped_args == 0);
       spilled_args = 2;
       break;
+#endif
     default:
       // The other types of code objects are called with values
       // in specific registers, and are handled in functions with
       // a different signature.
       UNREACHABLE();
       break;
   }
   PrepareForCall(spilled_args, dropped_args);
   return RawCallCodeObject(code, rmode);
 }
@@ skipping 71 matching lines @@
 #endif
   if (stack_pointer_ != other->stack_pointer_) return false;
   for (int i = 0; i < elements_.length(); i++) {
     if (!elements_[i].Equals(other->elements_[i])) return false;
   }
 
   return true;
 }
 
 } }  // namespace v8::internal