Begins removing intptr_t from raw object fields.

runtime/vm/assembler_arm64.h

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_ASSEMBLER_ARM64_H_
 #define VM_ASSEMBLER_ARM64_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_arm64.h directly; use assembler.h instead.
 #endif
 
 #include "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/constants_arm64.h"
 #include "vm/hash_map.h"
 #include "vm/longjump.h"
 #include "vm/object.h"
 #include "vm/simulator.h"
 
 namespace dart {
 
 // Forward declarations.
 class RuntimeEntry;
 
-// TODO(zra): Label, Address, and FieldAddress are copied from ARM,
-// they must be adapted to ARM64.
 class Label : public ValueObject {
  public:
   Label() : position_(0) { }
 
   ~Label() {
     // Assert if label is being destroyed with unresolved branches pending.
     ASSERT(!IsLinked());
   }
 
   // Returns the position for bound and linked labels. Cannot be used
@@ skipping 201 matching lines @@
   uint32_t encoding_;
   AddressType type_;
   Register base_;
 
   friend class Assembler;
 };
 
 
 class FieldAddress : public Address {
  public:
-  FieldAddress(Register base, int32_t disp)
-      : Address(base, disp - kHeapObjectTag) { }
+  FieldAddress(Register base, int32_t disp, OperandSize sz = kDoubleWord)
+      : Address(base, disp - kHeapObjectTag, Offset, sz) { }
 
   FieldAddress(const FieldAddress& other) : Address(other) { }
 
   FieldAddress& operator=(const FieldAddress& other) {
     Address::operator=(other);
     return *this;
   }
 };
 
 
@@ skipping 804 matching lines @@
   void SubImmediateSetFlags(
       Register dest, Register rn, int64_t imm, Register pp);
   void AndImmediate(Register rd, Register rn, int64_t imm, Register pp);
   void OrImmediate(Register rd, Register rn, int64_t imm, Register pp);
   void XorImmediate(Register rd, Register rn, int64_t imm, Register pp);
   void TestImmediate(Register rn, int64_t imm, Register pp);
   void CompareImmediate(Register rn, int64_t imm, Register pp);
 
   void LoadFromOffset(Register dest, Register base, int32_t offset,
                       Register pp, OperandSize sz = kDoubleWord);
-  void LoadFieldFromOffset(
-      Register dest, Register base, int32_t offset, Register pp) {
-    LoadFromOffset(dest, base, offset - kHeapObjectTag, pp);
+  void LoadFieldFromOffset(Register dest, Register base, int32_t offset,
+                           Register pp, OperandSize sz = kDoubleWord) {
+    LoadFromOffset(dest, base, offset - kHeapObjectTag, pp, sz);
   }
   void LoadDFromOffset(
       VRegister dest, Register base, int32_t offset, Register pp);
   void LoadDFieldFromOffset(
       VRegister dest, Register base, int32_t offset, Register pp) {
     LoadDFromOffset(dest, base, offset - kHeapObjectTag, pp);
   }
   void LoadQFromOffset(
       VRegister dest, Register base, int32_t offset, Register pp);
   void LoadQFieldFromOffset(
       VRegister dest, Register base, int32_t offset, Register pp) {
     LoadQFromOffset(dest, base, offset - kHeapObjectTag, pp);
   }
 
   void StoreToOffset(Register src, Register base, int32_t offset,
                      Register pp, OperandSize sz = kDoubleWord);
-  void StoreFieldToOffset(
-      Register src, Register base, int32_t offset, Register pp) {
-    StoreToOffset(src, base, offset - kHeapObjectTag, pp);
+  void StoreFieldToOffset(Register src, Register base, int32_t offset,
+                          Register pp, OperandSize sz = kDoubleWord) {
+    StoreToOffset(src, base, offset - kHeapObjectTag, pp, sz);
   }
   void StoreDToOffset(
       VRegister src, Register base, int32_t offset, Register pp);
   void StoreDFieldToOffset(
       VRegister src, Register base, int32_t offset, Register pp) {
     StoreDToOffset(src, base, offset - kHeapObjectTag, pp);
   }
   void StoreQToOffset(
       VRegister src, Register base, int32_t offset, Register pp);
   void StoreQFieldToOffset(
@@ skipping 567 matching lines @@
                                   Register value,
                                   Label* no_update);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM64_H_