Revert dynamic frame alignment (r9415)

src/ia32/lithium-ia32.cc

 // 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 350 matching lines @@
   stream->Add(" length ");
   length()->PrintTo(stream);
 
   stream->Add(" index ");
   index()->PrintTo(stream);
 }
 
 
 int LChunk::GetNextSpillIndex(bool is_double) {
   // Skip a slot if for a double-width slot.
-  if (is_double) {
-    spill_slot_count_ |= 1;  // Make it odd, so incrementing makes it even.
-    spill_slot_count_++;
-    num_double_slots_++;
-  }
+  if (is_double) spill_slot_count_++;
   return spill_slot_count_++;
 }
 
 
 LOperand* LChunk::GetNextSpillSlot(bool is_double) {
   int index = GetNextSpillIndex(is_double);
   if (is_double) {
     return LDoubleStackSlot::Create(index);
   } else {
     return LStackSlot::Create(index);
@@ skipping 2046 matching lines @@
 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
   LOperand* object = UseRegister(instr->object());
   LOperand* index = UseTempRegister(instr->index());
   return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32