Implement missing features to run Hello world! in checked mode on simulated ARM.

runtime/vm/intermediate_language_x64.cc

 // Copyright (c) 2013, 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.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/intermediate_language.h"
 
 #include "lib/error.h"
@@ skipping 110 matching lines @@
     case NOT_EQUAL:     return EQUAL;
     case LESS:          return GREATER_EQUAL;
     case LESS_EQUAL:    return GREATER;
     case GREATER:       return LESS_EQUAL;
     case GREATER_EQUAL: return LESS;
     case BELOW:         return ABOVE_EQUAL;
     case BELOW_EQUAL:   return ABOVE;
     case ABOVE:         return BELOW_EQUAL;
     case ABOVE_EQUAL:   return BELOW;
     default:
-      OS::Print("Error %d\n", condition);
       UNIMPLEMENTED();
       return EQUAL;
   }
 }
 
 
 static bool BindsToSmiConstant(Value* val, intptr_t* smi_value) {
   if (!val->BindsToConstant()) {
     return false;
   }
@@ skipping 3468 matching lines @@
                          PcDescriptors::kOther,
                          locs());
   __ Drop(2);  // Discard type arguments and receiver.
 }
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_X64