Attempt to reduce performance penalty for logging and profiling

src/codegen.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 207 matching lines @@
   }
 
   return code;
 }
 
 
 #ifdef ENABLE_LOGGING_AND_PROFILING
 
 bool CodeGenerator::ShouldGenerateLog(Expression* type) {
   ASSERT(type != NULL);
-  if (!Logger::IsEnabled()) return false;
+  if (!Logger::is_logging()) return false;
   Handle<String> name = Handle<String>::cast(type->AsLiteral()->handle());
   if (FLAG_log_regexp) {
     static Vector<const char> kRegexp = CStrVector("regexp");
     if (name->IsEqualTo(kRegexp))
       return true;
   }
   return false;
 }
 
 #endif
@@ skipping 288 matching lines @@
 void ArgumentsAccessStub::Generate(MacroAssembler* masm) {
   switch (type_) {
     case READ_LENGTH: GenerateReadLength(masm); break;
     case READ_ELEMENT: GenerateReadElement(masm); break;
     case NEW_OBJECT: GenerateNewObject(masm); break;
   }
 }
 
 
 } }  // namespace v8::internal