Small cleanup refactoring of sp-to-fp offset and slot conversions

src/compiler/frame.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_FRAME_H_
 #define V8_COMPILER_FRAME_H_
 
 #include "src/bit-vector.h"
 #include "src/frames.h"
 
@@ skipping 68 matching lines @@
 class Frame : public ZoneObject {
  public:
   explicit Frame(int fixed_frame_size_in_slots,
                  const CallDescriptor* descriptor);
 
   inline bool needs_frame() const { return needs_frame_; }
   inline void MarkNeedsFrame() { needs_frame_ = true; }
 
   inline int GetTotalFrameSlotCount() const { return frame_slot_count_; }
 
-  inline int GetSpToFpSlotCount() const {
+  inline int GetSPToFPSlotCount() const {
     return GetTotalFrameSlotCount() -
            StandardFrameConstants::kFixedSlotCountAboveFp;
   }
   inline int GetSavedCalleeRegisterSlotCount() const {
     return callee_saved_slot_count_;
   }
   inline int GetSpillSlotCount() const { return spill_slot_count_; }
 
   inline void SetElidedFrameSizeInSlots(int slots) {
     DCHECK_EQ(0, callee_saved_slot_count_);
@@ skipping 118 matching lines @@
 
   int sp_delta() const { return sp_delta_; }
   void ClearSPDelta() { sp_delta_ = 0; }
   void IncreaseSPDelta(int amount) { sp_delta_ += amount; }
 
   bool access_frame_with_fp() const { return access_frame_with_fp_; }
   void SetFrameAccessToDefault();
   void SetFrameAccessToFP() { access_frame_with_fp_ = true; }
   void SetFrameAccessToSP() { access_frame_with_fp_ = false; }
 
+  int GetSPToFPSlotCount() const {
+    return frame_->GetSPToFPSlotCount() + sp_delta();
+  }
+  int GetSPToFPOffset() const { return GetSPToFPSlotCount() * kPointerSize; }
+
   // Get the frame offset for a given spill slot. The location depends on the
   // calling convention and the specific frame layout, and may thus be
   // architecture-specific. Negative spill slots indicate arguments on the
   // caller's frame.
   FrameOffset GetFrameOffset(int spill_slot) const;
 
  private:
   Frame* const frame_;
   bool access_frame_with_fp_;
   int sp_delta_;
 };
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_FRAME_H_