Implementing inline caches for binary operations (ia32)....

src/code-stubs.cc

 // Copyright 2006-2008 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 65 matching lines @@
 #ifdef DEBUG
     Print();
 #endif
     code->Disassemble(GetName());
     PrintF("\n");
   }
 #endif
 }
 
 
+int CodeStub::GetCodeKind() {
+  return Code::STUB;
+}
+
+
 Handle<Code> CodeStub::GetCode() {
   Code* code;
   if (!FindCodeInCache(&code)) {
     v8::HandleScope scope;
 
     // Generate the new code.
     MacroAssembler masm(NULL, 256);
     GenerateCode(&masm);
 
     // Create the code object.
     CodeDesc desc;
     masm.GetCode(&desc);
 
     // Copy the generated code into a heap object.
-    Code::Flags flags = Code::ComputeFlags(Code::STUB, InLoop());
+    Code::Flags flags = Code::ComputeFlags(
+        static_cast<Code::Kind>(GetCodeKind()),
+        InLoop(),
+        GetICState());
     Handle<Code> new_object =
         Factory::NewCode(desc, NULL, flags, masm.CodeObject());
     RecordCodeGeneration(*new_object, &masm);
 
     if (has_custom_cache()) {
       SetCustomCache(*new_object);
     } else {
       // Update the dictionary and the root in Heap.
       Handle<NumberDictionary> dict =
           Factory::DictionaryAtNumberPut(
@@ skipping 14 matching lines @@
   if (!FindCodeInCache(&code)) {
     // Generate the new code.
     MacroAssembler masm(NULL, 256);
     GenerateCode(&masm);
 
     // Create the code object.
     CodeDesc desc;
     masm.GetCode(&desc);
 
     // Try to copy the generated code into a heap object.
-    Code::Flags flags = Code::ComputeFlags(Code::STUB, InLoop());
+    Code::Flags flags = Code::ComputeFlags(
+        static_cast<Code::Kind>(GetCodeKind()),
+        InLoop(),
+        GetICState());
     Object* new_object =
         Heap::CreateCode(desc, NULL, flags, masm.CodeObject());
     if (new_object->IsFailure()) return new_object;
     code = Code::cast(new_object);
     RecordCodeGeneration(code, &masm);
 
     if (has_custom_cache()) {
       SetCustomCache(code);
     } else {
       // Try to update the code cache but do not fail if unable.
@@ skipping 17 matching lines @@
     default:
       if (!allow_unknown_keys) {
         UNREACHABLE();
       }
       return NULL;
   }
 }
 
 
 } }  // namespace v8::internal