Port prototype-call-stubs for normal objects (http://codereview.chromium.org/...

src/ia32/stub-cache-ia32.cc

 // Copyright 2006-2009 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 103 matching lines @@
                                              Register extra) {
   ASSERT(name->IsSymbol());
   __ IncrementCounter(&Counters::negative_lookups, 1);
   __ IncrementCounter(&Counters::negative_lookups_miss, 1);
 
   Label done;
   __ mov(r0, FieldOperand(receiver, HeapObject::kMapOffset));
 
   const int kInterceptorOrAccessCheckNeededMask =
       (1 << Map::kHasNamedInterceptor) | (1 << Map::kIsAccessCheckNeeded);
+
   // Bail out if the receiver has a named interceptor or requires access checks.
-  __ test(FieldOperand(r0, Map::kBitFieldOffset),
-          Immediate(kInterceptorOrAccessCheckNeededMask));
+  __ test_b(FieldOperand(r0, Map::kBitFieldOffset),
+            kInterceptorOrAccessCheckNeededMask);
   __ j(not_zero, miss_label, not_taken);
 
+  // Check that receiver is a JSObject.
   __ CmpInstanceType(r0, FIRST_JS_OBJECT_TYPE);
   __ j(below, miss_label, not_taken);
 
   // Load properties array.
   Register properties = r0;
   __ mov(properties, FieldOperand(receiver, JSObject::kPropertiesOffset));
 
   // Check that the properties array is a dictionary.
   __ cmp(FieldOperand(properties, HeapObject::kMapOffset),
          Immediate(Factory::hash_table_map()));
@@ skipping 2591 matching lines @@
   // Return the generated code.
   return GetCode();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32