X64: Disabled RSet in 64-bit mode.

src/utils.h

 // 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 36 matching lines @@
 // though.
 static inline int ArithmeticShiftRight(int x, int s) {
   return x >> s;
 }
 
 
 // Compute the 0-relative offset of some absolute value x of type T.
 // This allows conversion of Addresses and integral types into
 // 0-relative int offsets.
 template <typename T>
-static inline int OffsetFrom(T x) {
+static inline intptr_t OffsetFrom(T x) {
   return x - static_cast<T>(0);
 }
 
 
 // Compute the absolute value of type T for some 0-relative offset x.
 // This allows conversion of 0-relative int offsets into Addresses and
 // integral types.
 template <typename T>
-static inline T AddressFrom(int x) {
+static inline T AddressFrom(intptr_t x) {
   return static_cast<T>(0) + x;
 }
 
 
 // Return the largest multiple of m which is <= x.
 template <typename T>
 static inline T RoundDown(T x, int m) {
   ASSERT(IsPowerOf2(m));
   return AddressFrom<T>(OffsetFrom(x) & -m);
 }
@@ skipping 468 matching lines @@
 #endif
   while (dest < limit) {
     *dest++ = static_cast<sinkchar>(*src++);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_UTILS_H_