Begins removing intptr_t from raw object fields.

runtime/vm/flow_graph_compiler_arm64.cc

 // 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.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_ARM64.
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/ast_printer.h"
@@ skipping 956 matching lines @@
     __ LoadPoolPointer(new_pp);
 
     // Load function object using the callee's pool pointer.
     __ LoadObject(function_reg, function, new_pp);
 
     // Patch point is after the eventually inlined function object.
     entry_patch_pc_offset_ = assembler()->CodeSize();
 
     intptr_t threshold = FLAG_optimization_counter_threshold;
     __ LoadFieldFromOffset(
-        R7, function_reg, Function::usage_counter_offset(), new_pp);
+        R7, function_reg, Function::usage_counter_offset(), new_pp, kWord);
     if (is_optimizing()) {
       // Reoptimization of an optimized function is triggered by counting in
       // IC stubs, but not at the entry of the function.
       threshold = FLAG_reoptimization_counter_threshold;
     } else {
       __ add(R7, R7, Operand(1));
       __ StoreFieldToOffset(
-          R7, function_reg, Function::usage_counter_offset(), new_pp);
+          R7, function_reg, Function::usage_counter_offset(), new_pp, kWord);
     }
     __ CompareImmediate(R7, threshold, new_pp);
     ASSERT(function_reg == R6);
     Label dont_optimize;
     __ b(&dont_optimize, LT);
     __ Branch(&StubCode::OptimizeFunctionLabel(), new_pp);
     __ Bind(&dont_optimize);
   } else if (!flow_graph().IsCompiledForOsr()) {
     // We have to load the PP here too because a load of an external label
     // may be patched at the AddCurrentDescriptor below.
@@ skipping 713 matching lines @@
 void ParallelMoveResolver::RestoreFpuScratch(FpuRegister reg) {
   UNIMPLEMENTED();
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64