Replaces Location::ToStackSlotAddress() with Location::ToStackSlotOffset()

runtime/vm/flow_graph_compiler.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_FLOW_GRAPH_COMPILER_H_
 #define VM_FLOW_GRAPH_COMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/code_descriptors.h"
@@ skipping 77 matching lines @@
 
   // Verify the move list before performing moves.
   void Verify();
 
   // Helpers for non-trivial source-destination combinations that cannot
   // be handled by a single instruction.
   void MoveMemoryToMemory(const Address& dst, const Address& src);
   void StoreObject(const Address& dst, const Object& obj);
   void Exchange(Register reg, const Address& mem);
   void Exchange(const Address& mem1, const Address& mem2);
+  void Exchange(Register reg, intptr_t stack_offset);
+  void Exchange(intptr_t stack_offset1, intptr_t stack_offset2);
 
   FlowGraphCompiler* compiler_;
 
   // List of moves not yet resolved.
   GrowableArray<MoveOperands*> moves_;
 };
 
 
 // Used for describing a deoptimization point after call (lazy deoptimization).
 // For deoptimization before instruction use class CompilerDeoptInfoWithStub.
@@ skipping 352 matching lines @@
 
   // Returns 'sorted' array in decreasing count order.
   static void SortICDataByCount(const ICData& ic_data,
                                 GrowableArray<CidTarget>* sorted);
 
  private:
   friend class CheckStackOverflowSlowPath;  // For pending_deoptimization_env_.
 
   void EmitFrameEntry();
 
-  void EmitTrySyncMove(Address dest, Location loc, bool* push_emitted);
+  void EmitTrySyncMove(intptr_t dest_offset, Location loc, bool* push_emitted);
 
   void AddStaticCallTarget(const Function& function);
 
   void GenerateDeferredCode();
 
   void EmitInstructionPrologue(Instruction* instr);
   void EmitInstructionEpilogue(Instruction* instr);
 
   // Emit code to load a Value into register 'dst'.
   void LoadValue(Register dst, Value* value);
@@ skipping 119 matching lines @@
   // that should be used when deoptimizing we store it in this variable.
   // In future AddDeoptStub should be moved out of the instruction template.
   Environment* pending_deoptimization_env_;
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphCompiler);
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_COMPILER_H_