More efficient use of space in AllocationSite.

src/objects.cc

 // Copyright 2013 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 27 matching lines @@
 #include "debug.h"
 #include "deoptimizer.h"
 #include "date.h"
 #include "elements.h"
 #include "execution.h"
 #include "full-codegen.h"
 #include "hydrogen.h"
 #include "isolate-inl.h"
 #include "log.h"
 #include "objects-inl.h"
-#include "objects-visiting.h"
 #include "objects-visiting-inl.h"
 #include "macro-assembler.h"
 #include "mark-compact.h"
 #include "safepoint-table.h"
 #include "string-stream.h"
 #include "utils.h"
 
 #ifdef ENABLE_DISASSEMBLER
 #include "disasm.h"
 #include "disassembler.h"
@@ skipping 12731 matching lines @@
 }
 
 
 const double AllocationSite::kPretenureRatio = 0.60;
 
 
 void AllocationSite::ResetPretenureDecision() {
   dependent_code()->DeoptimizeDependentCodeGroup(
       GetIsolate(),
       DependentCode::kAllocationSiteTenuringChangedGroup);
-  set_pretenure_decision(Smi::FromInt(kUndecided));
-  set_memento_found_count(Smi::FromInt(0));
-  set_memento_create_count(Smi::FromInt(0));
+  set_pretenure_decision(kUndecided);
+  set_memento_found_count(0);
+  set_memento_create_count(0);
 }
 
 
 PretenureFlag AllocationSite::GetPretenureMode() {
-  int mode = pretenure_decision()->value();
+  PretenureDecision mode = pretenure_decision();
   // Zombie objects "decide" to be untenured.
   return (mode == kTenure && GetHeap()->GetPretenureMode() == TENURED)
       ? TENURED : NOT_TENURED;
 }
 
 
 bool AllocationSite::IsNestedSite() {
   ASSERT(FLAG_trace_track_allocation_sites);
   Object* current = GetHeap()->allocation_sites_list();
   while (current->IsAllocationSite()) {
@@ skipping 3858 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal