Use the BitField class for Code::Flags.

src/ia32/ic-ia32.cc

 // Copyright 2011 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 126 matching lines @@
 
   // If probing finds an entry in the dictionary, r0 contains the
   // index into the dictionary. Check that the value is a normal
   // property.
   __ bind(&done);
   const int kElementsStartOffset =
       StringDictionary::kHeaderSize +
       StringDictionary::kElementsStartIndex * kPointerSize;
   const int kDetailsOffset = kElementsStartOffset + 2 * kPointerSize;
   __ test(Operand(elements, r0, times_4, kDetailsOffset - kHeapObjectTag),
-          Immediate(PropertyDetails::TypeField::mask() << kSmiTagSize));
+          Immediate(PropertyDetails::TypeField::kMask << kSmiTagSize));
   __ j(not_zero, miss_label);
 
   // Get the value at the masked, scaled index.
   const int kValueOffset = kElementsStartOffset + kPointerSize;
   __ mov(result, Operand(elements, r0, times_4, kValueOffset - kHeapObjectTag));
 }
 
 
 // Helper function used to store a property to a dictionary backing
 // storage. This function may fail to store a property eventhough it
@@ skipping 33 matching lines @@
                                                      r1);
 
   // If probing finds an entry in the dictionary, r0 contains the
   // index into the dictionary. Check that the value is a normal
   // property that is not read only.
   __ bind(&done);
   const int kElementsStartOffset =
       StringDictionary::kHeaderSize +
       StringDictionary::kElementsStartIndex * kPointerSize;
   const int kDetailsOffset = kElementsStartOffset + 2 * kPointerSize;
-  const int kTypeAndReadOnlyMask
-      = (PropertyDetails::TypeField::mask() |
-         PropertyDetails::AttributesField::encode(READ_ONLY)) << kSmiTagSize;
+  const int kTypeAndReadOnlyMask =
+      (PropertyDetails::TypeField::kMask |
+       PropertyDetails::AttributesField::encode(READ_ONLY)) << kSmiTagSize;
   __ test(Operand(elements, r0, times_4, kDetailsOffset - kHeapObjectTag),
           Immediate(kTypeAndReadOnlyMask));
   __ j(not_zero, miss_label);
 
   // Store the value at the masked, scaled index.
   const int kValueOffset = kElementsStartOffset + kPointerSize;
   __ lea(r0, Operand(elements, r0, times_4, kValueOffset - kHeapObjectTag));
   __ mov(Operand(r0, 0), value);
 
   // Update write barrier. Make sure not to clobber the value.
@@ skipping 1423 matching lines @@
   Condition cc = *jmp_address == Assembler::kJncShortOpcode
       ? not_zero
       : zero;
   *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32