ia32: Fuse map and type checks in call ICs for API functions.

src/x64/stub-cache-x64.cc

 // Copyright 2010 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 1647 matching lines @@
   return true;
 }
 
 
 Register StubCompiler::CheckPrototypes(JSObject* object,
                                        Register object_reg,
                                        JSObject* holder,
                                        Register holder_reg,
                                        Register scratch,
                                        String* name,
+                                       int save_at_depth,
                                        Label* miss) {
+  // TODO(<bug>): support object saving.
+  ASSERT(save_at_depth == kInvalidProtoDepth);
+
   // Check that the maps haven't changed.
   Register result =
       __ CheckMaps(object, object_reg, holder, holder_reg, scratch, miss);
 
   // If we've skipped any global objects, it's not enough to verify
   // that their maps haven't changed.
   while (object != holder) {
     if (object->IsGlobalObject()) {
       GlobalObject* global = GlobalObject::cast(object);
       Object* probe = global->EnsurePropertyCell(name);
@@ skipping 186 matching lines @@
   __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal