VM: Add smi fast path operations for precompiled code

runtime/vm/object.h

 // Copyright (c) 2012, 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_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 4146 matching lines @@
   }
 
   intptr_t Length() const { return raw_ptr()->length_; }
 
   uint32_t PcOffset() const { return raw_ptr()->pc_offset_; }
   void SetPcOffset(uint32_t value) const {
     ASSERT(value <= kMaxUint32);
     StoreNonPointer(&raw_ptr()->pc_offset_, value);
   }
 
-  intptr_t RegisterBitCount() const { return raw_ptr()->register_bit_count_; }
-  void SetRegisterBitCount(intptr_t register_bit_count) const {
-    ASSERT(register_bit_count < kMaxInt32);
-    StoreNonPointer(&raw_ptr()->register_bit_count_, register_bit_count);
+  intptr_t SlowPathBitCount() const { return raw_ptr()->slow_path_bit_count_; }
+  void SetSlowPathBitCount(intptr_t bit_count) const {
+    ASSERT(bit_count < kMaxInt32);
+    StoreNonPointer(&raw_ptr()->slow_path_bit_count_, bit_count);
   }
 
   bool Equals(const Stackmap& other) const {
     if (Length() != other.Length()) {
       return false;
     }
     NoSafepointScope no_safepoint;
     return memcmp(raw_ptr(), other.raw_ptr(), InstanceSize(Length())) == 0;
   }
 
@@ skipping 4312 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_