Allow property indexes to refer to slots inside the object header.

src/stub-cache.h

 // Copyright 2012 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 @@
 
 
   // Computes the right stub matching. Inserts the result in the
   // cache before returning.  This might compile a stub if needed.
   Handle<Code> ComputeLoadNonexistent(Handle<String> name,
                                       Handle<JSObject> receiver);
 
   Handle<Code> ComputeLoadField(Handle<String> name,
                                 Handle<JSObject> receiver,
                                 Handle<JSObject> holder,
-                                int field_index);
+                                PropertyIndex field_index);
 
   Handle<Code> ComputeLoadCallback(Handle<String> name,
                                    Handle<JSObject> receiver,
                                    Handle<JSObject> holder,
                                    Handle<AccessorInfo> callback);
 
   Handle<Code> ComputeLoadViaGetter(Handle<String> name,
                                     Handle<JSObject> receiver,
                                     Handle<JSObject> holder,
                                     Handle<JSFunction> getter);
@@ skipping 13 matching lines @@
                                  Handle<JSObject> receiver,
                                  Handle<GlobalObject> holder,
                                  Handle<JSGlobalPropertyCell> cell,
                                  bool is_dont_delete);
 
   // ---
 
   Handle<Code> ComputeKeyedLoadField(Handle<String> name,
                                      Handle<JSObject> receiver,
                                      Handle<JSObject> holder,
-                                     int field_index);
+                                     PropertyIndex field_index);
 
   Handle<Code> ComputeKeyedLoadCallback(Handle<String> name,
                                         Handle<JSObject> receiver,
                                         Handle<JSObject> holder,
                                         Handle<AccessorInfo> callback);
 
   Handle<Code> ComputeKeyedLoadConstant(Handle<String> name,
                                         Handle<JSObject> receiver,
                                         Handle<JSObject> holder,
                                         Handle<JSFunction> value);
@@ skipping 55 matching lines @@
                                               StrictModeFlag strict_mode);
 
   // ---
 
   Handle<Code> ComputeCallField(int argc,
                                 Code::Kind,
                                 Code::ExtraICState extra_state,
                                 Handle<String> name,
                                 Handle<Object> object,
                                 Handle<JSObject> holder,
-                                int index);
+                                PropertyIndex index);
 
   Handle<Code> ComputeCallConstant(int argc,
                                    Code::Kind,
                                    Code::ExtraICState extra_state,
                                    Handle<String> name,
                                    Handle<Object> object,
                                    Handle<JSObject> holder,
                                    Handle<JSFunction> function);
 
   Handle<Code> ComputeCallInterceptor(int argc,
@@ skipping 239 matching lines @@
   // objects from a context.
   static void GenerateDirectLoadGlobalFunctionPrototype(MacroAssembler* masm,
                                                         int index,
                                                         Register prototype,
                                                         Label* miss);
 
   static void GenerateFastPropertyLoad(MacroAssembler* masm,
                                        Register dst,
                                        Register src,
                                        Handle<JSObject> holder,
-                                       int index);
+                                       PropertyIndex index);
 
   static void GenerateLoadArrayLength(MacroAssembler* masm,
                                       Register receiver,
                                       Register scratch,
                                       Label* miss_label);
 
   static void GenerateLoadStringLength(MacroAssembler* masm,
                                        Register receiver,
                                        Register scratch1,
                                        Register scratch2,
@@ skipping 66 matching lines @@
 
   MacroAssembler* masm() { return &masm_; }
   void set_failure(Failure* failure) { failure_ = failure; }
 
   void GenerateLoadField(Handle<JSObject> object,
                          Handle<JSObject> holder,
                          Register receiver,
                          Register scratch1,
                          Register scratch2,
                          Register scratch3,
-                         int index,
+                         PropertyIndex index,
                          Handle<String> name,
                          Label* miss);
 
   void GenerateLoadCallback(Handle<JSObject> object,
                             Handle<JSObject> holder,
                             Register receiver,
                             Register name_reg,
                             Register scratch1,
                             Register scratch2,
                             Register scratch3,
@@ skipping 50 matching lines @@
 class LoadStubCompiler: public StubCompiler {
  public:
   explicit LoadStubCompiler(Isolate* isolate) : StubCompiler(isolate) { }
 
   Handle<Code> CompileLoadNonexistent(Handle<String> name,
                                       Handle<JSObject> object,
                                       Handle<JSObject> last);
 
   Handle<Code> CompileLoadField(Handle<JSObject> object,
                                 Handle<JSObject> holder,
-                                int index,
+                                PropertyIndex index,
                                 Handle<String> name);
 
   Handle<Code> CompileLoadCallback(Handle<String> name,
                                    Handle<JSObject> object,
                                    Handle<JSObject> holder,
                                    Handle<AccessorInfo> callback);
 
   static void GenerateLoadViaGetter(MacroAssembler* masm,
                                     Handle<JSFunction> getter);
 
@@ skipping 22 matching lines @@
 };
 
 
 class KeyedLoadStubCompiler: public StubCompiler {
  public:
   explicit KeyedLoadStubCompiler(Isolate* isolate) : StubCompiler(isolate) { }
 
   Handle<Code> CompileLoadField(Handle<String> name,
                                 Handle<JSObject> object,
                                 Handle<JSObject> holder,
-                                int index);
+                                PropertyIndex index);
 
   Handle<Code> CompileLoadCallback(Handle<String> name,
                                    Handle<JSObject> object,
                                    Handle<JSObject> holder,
                                    Handle<AccessorInfo> callback);
 
   Handle<Code> CompileLoadConstant(Handle<String> name,
                                    Handle<JSObject> object,
                                    Handle<JSObject> holder,
                                    Handle<JSFunction> value);
@@ skipping 128 matching lines @@
 class CallStubCompiler: public StubCompiler {
  public:
   CallStubCompiler(Isolate* isolate,
                    int argc,
                    Code::Kind kind,
                    Code::ExtraICState extra_state,
                    InlineCacheHolderFlag cache_holder);
 
   Handle<Code> CompileCallField(Handle<JSObject> object,
                                 Handle<JSObject> holder,
-                                int index,
+                                PropertyIndex index,
                                 Handle<String> name);
 
   Handle<Code> CompileCallConstant(Handle<Object> object,
                                    Handle<JSObject> holder,
                                    Handle<JSFunction> function,
                                    Handle<String> name,
                                    CheckType check);
 
   Handle<Code> CompileCallInterceptor(Handle<JSObject> object,
                                       Handle<JSObject> holder,
@@ skipping 117 matching lines @@
   Handle<JSFunction> constant_function_;
   bool is_simple_api_call_;
   Handle<FunctionTemplateInfo> expected_receiver_type_;
   Handle<CallHandlerInfo> api_call_info_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_STUB_CACHE_H_