X64: Disabled RSet in 64-bit mode.

src/utils.h

Index: src/utils.h
diff --git a/src/utils.h b/src/utils.h
index 049a25b334ed1f24fbc8e73ffd20bdd26fe832e1..cc181990928b944f9217b5d5d1682fbcc3a23a3f 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -54,7 +54,7 @@ static inline int ArithmeticShiftRight(int x, int s) {
 // 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);
 }
 
@@ -63,7 +63,7 @@ static inline int OffsetFrom(T 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;
 }