Revert dynamic frame alignment (r9415)

src/deoptimizer.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 202 matching lines @@
   static int GetOutputInfo(DeoptimizationOutputData* data,
                            unsigned node_id,
                            SharedFunctionInfo* shared);
 
   // Code generation support.
   static int input_offset() { return OFFSET_OF(Deoptimizer, input_); }
   static int output_count_offset() {
     return OFFSET_OF(Deoptimizer, output_count_);
   }
   static int output_offset() { return OFFSET_OF(Deoptimizer, output_); }
-  static int frame_alignment_marker_offset() {
-    return OFFSET_OF(Deoptimizer, frame_alignment_marker_); }
-  static int has_alignment_padding_offset() {
-    return OFFSET_OF(Deoptimizer, has_alignment_padding_);
-  }
 
   static int GetDeoptimizedCodeCount(Isolate* isolate);
 
   static const int kNotDeoptimizationEntry = -1;
 
   // Generators for the deoptimization entry code.
   class EntryGenerator BASE_EMBEDDED {
    public:
     EntryGenerator(MacroAssembler* masm, BailoutType type)
         : masm_(masm), type_(type) { }
@@ skipping 92 matching lines @@
 
   // Input frame description.
   FrameDescription* input_;
   // Number of output frames.
   int output_count_;
   // Number of output js frames.
   int jsframe_count_;
   // Array of output frame descriptions.
   FrameDescription** output_;
 
-  // Frames can be dynamically padded on ia32 to align untagged doubles.
-  Object* frame_alignment_marker_;
-  intptr_t has_alignment_padding_;
-
   List<HeapNumberMaterializationDescriptor> deferred_heap_numbers_;
 
   static const int table_entry_size_;
 
   friend class FrameDescription;
   friend class DeoptimizingCodeListNode;
   friend class DeoptimizedFrameInfo;
 };
 
 
@@ skipping 431 matching lines @@
   Object** expression_stack_;
   int source_position_;
 
   friend class Deoptimizer;
 };
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_DEOPTIMIZER_H_