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

runtime/vm/stub_code_ia32.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"
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/assembler.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
@@ skipping 1901 matching lines @@
 #if defined(DEBUG)
   { Label ok;
     __ movl(EAX, FieldAddress(ECX, ICData::num_args_tested_offset()));
     __ cmpl(EAX, Immediate(kNumArgsTested));
     __ j(EQUAL, &ok, Assembler::kNearJump);
     __ Stop("Incorrect ICData for equality");
     __ Bind(&ok);
   }
 #endif  // DEBUG
   // Check IC data, update if needed.
-  // EBX: IC data object (preserved).
+  // ECX: IC data object (preserved).
   __ movl(EBX, FieldAddress(ECX, ICData::ic_data_offset()));
   // EBX: ic_data_array with check entries: classes and target functions.
   __ leal(EBX, FieldAddress(EBX, Array::data_offset()));
   // EBX: points directly to the first ic data array element.
 
   Label get_class_id_as_smi, no_match, loop, compute_result, found;
   __ Bind(&loop);
   // Check left.
   __ movl(EAX, Address(ESP, 2 * kWordSize));
   __ call(&get_class_id_as_smi);
@@ skipping 168 matching lines @@
   __ Bind(&done);
   __ popl(temp);
   __ popl(right);
   __ popl(left);
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32