Changed some int casts to intptr_t.

Removed a drop in an ocean of compile errors in x64 mode.

Review URL: http://codereview.chromium.org/100337


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1843 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/checks.h

@@ -254,7 +254,7 @@ template <int> class StaticAssertionHelper { };
 
 
 #define ASSERT_TAG_ALIGNED(address) \
-  ASSERT((reinterpret_cast<int>(address) & kHeapObjectTagMask) == 0)
+  ASSERT((reinterpret_cast<intptr_t>(address) & kHeapObjectTagMask) == 0)
 
 #define ASSERT_SIZE_TAG_ALIGNED(size) ASSERT((size & kHeapObjectTagMask) == 0)
 

src/objects-inl.h

@@ -683,7 +683,7 @@ Object** HeapObject::RawField(HeapObject* obj, int byte_offset) {
 
 
 int Smi::value() {
-  return reinterpret_cast<int>(this) >> kSmiTagSize;
+  return static_cast<int>(reinterpret_cast<intptr_t>(this) >> kSmiTagSize);
 }
 
 
@@ -739,7 +739,7 @@ Failure* Failure::OutOfMemoryException() {
 
 
 int Failure::value() const {
-  return reinterpret_cast<int>(this) >> kFailureTagSize;
+  return static_cast<int>(reinterpret_cast<intptr_t>(this) >> kFailureTagSize);
 }
 
 
@@ -757,7 +757,8 @@ Failure* Failure::RetryAfterGC(int requested_bytes) {
 Failure* Failure::Construct(Type type, int value) {
   int info = (value << kFailureTypeTagSize) | type;
   ASSERT(Smi::IsValid(info));  // Same validation check as in Smi
-  return reinterpret_cast<Failure*>((info << kFailureTagSize) | kFailureTag);
+  return reinterpret_cast<Failure*>(
+      static_cast<intptr_t>((info << kFailureTagSize) | kFailureTag));
 }
 
 

src/objects.h

@@ -795,9 +795,10 @@ class Smi: public Object {
   void SmiVerify();
 #endif
 
+  static const int kSmiNumBits = 31;
   // Min and max limits for Smi values.
-  static const int kMinValue = -(1 << (kBitsPerPointer - (kSmiTagSize + 1)));
-  static const int kMaxValue = (1 << (kBitsPerPointer - (kSmiTagSize + 1))) - 1;
+  static const int kMinValue = -(1 << (kSmiNumBits - 1));
+  static const int kMaxValue = (1 << (kSmiNumBits - 1)) - 1;
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(Smi);
@@ -2324,8 +2325,7 @@ class Code: public HeapObject {
   // the layout of the code object into account.
   int ExecutableSize() {
     // Check that the assumptions about the layout of the code object holds.
-    ASSERT_EQ(reinterpret_cast<unsigned int>(instruction_start()) -
-              reinterpret_cast<unsigned int>(address()),
+    ASSERT_EQ(instruction_start() - address(),
               Code::kHeaderSize);
     return instruction_size() + Code::kHeaderSize;
   }

src/spaces.h

@@ -939,14 +939,14 @@ class SemiSpace : public Space {
   // True if the address is in the address range of this semispace (not
   // necessarily below the allocation pointer).
   bool Contains(Address a) {
-    return (reinterpret_cast<uint32_t>(a) & address_mask_)
-           == reinterpret_cast<uint32_t>(start_);
+    return (reinterpret_cast<uintptr_t>(a) & address_mask_)
+           == reinterpret_cast<uintptr_t>(start_);
   }
 
   // True if the object is a heap object in the address range of this
   // semispace (not necessarily below the allocation pointer).
   bool Contains(Object* o) {
-    return (reinterpret_cast<uint32_t>(o) & object_mask_) == object_expected_;
+    return (reinterpret_cast<uintptr_t>(o) & object_mask_) == object_expected_;
   }
 
   // The offset of an address from the beginning of the space.
@@ -975,9 +975,9 @@ class SemiSpace : public Space {
   Address age_mark_;
 
   // Masks and comparison values to test for containment in this semispace.
-  uint32_t address_mask_;
-  uint32_t object_mask_;
-  uint32_t object_expected_;
+  uintptr_t address_mask_;
+  uintptr_t object_mask_;
+  uintptr_t object_expected_;
 
  public:
   TRACK_MEMORY("SemiSpace")
@@ -1063,11 +1063,11 @@ class NewSpace : public Space {
   // True if the address or object lies in the address range of either
   // semispace (not necessarily below the allocation pointer).
   bool Contains(Address a) {
-    return (reinterpret_cast<uint32_t>(a) & address_mask_)
-        == reinterpret_cast<uint32_t>(start_);
+    return (reinterpret_cast<uintptr_t>(a) & address_mask_)
+        == reinterpret_cast<uintptr_t>(start_);
   }
   bool Contains(Object* o) {
-    return (reinterpret_cast<uint32_t>(o) & object_mask_) == object_expected_;
+    return (reinterpret_cast<uintptr_t>(o) & object_mask_) == object_expected_;
   }
 
   // Return the allocated bytes in the active semispace.