Optimize 2/3 of instance field increment operation.

vm/code_generator_ia32.cc

 // Copyright (c) 2011, 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_IA32.
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/code_generator.h"
 
 #include "lib/error.h"
@@ skipping 1215 matching lines @@
   if (node->prefix() && IsResultNeeded(node)) {
     __ pushl(EAX);
   }
 }
 
 
 void CodeGenerator::VisitIncrOpInstanceFieldNode(
     IncrOpInstanceFieldNode* node) {
   ASSERT((node->kind() == Token::kINCR) || (node->kind() == Token::kDECR));
   node->receiver()->Visit(this);
-  MarkDeoptPoint(node->id(), node->token_index());
   __ pushl(Address(ESP, 0));  // Duplicate receiver (preserve for setter).
+  MarkDeoptPoint(node->getter_id(), node->token_index());
   GenerateInstanceGetterCall(node->getter_id(),
                              node->token_index(),
                              node->field_name());
   // result is in EAX.
   __ popl(EDX);   // Get receiver.
   if (!node->prefix() && IsResultNeeded(node)) {
     // Preserve as result.
     __ pushl(EAX);  // Preserve value as result.
   }
   const Immediate one_value = Immediate(reinterpret_cast<int32_t>(Smi::New(1)));
@@ skipping 1390 matching lines @@
   const Class& cls = Class::Handle(parsed_function_.function().owner());
   const Script& script = Script::Handle(cls.script());
   Parser::ReportMsg(script, token_index, "Error", error_msg, format, args);
   Isolate::Current()->long_jump_base()->Jump(1, error_msg);
   UNREACHABLE();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32