Revert change 1509 that flush ICs when adding setters on an object or...

src/heap.cc

 // Copyright 2006-2008 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 53 matching lines @@
 LargeObjectSpace* Heap::lo_space_ = NULL;
 
 static const int kMinimumPromotionLimit = 2*MB;
 static const int kMinimumAllocationLimit = 8*MB;
 
 int Heap::old_gen_promotion_limit_ = kMinimumPromotionLimit;
 int Heap::old_gen_allocation_limit_ = kMinimumAllocationLimit;
 
 int Heap::old_gen_exhausted_ = false;
 
-bool Heap::has_store_ics_ = false;
-
 int Heap::amount_of_external_allocated_memory_ = 0;
 int Heap::amount_of_external_allocated_memory_at_last_global_gc_ = 0;
 
 // semispace_size_ should be a power of 2 and old_generation_size_ should be
 // a multiple of Page::kPageSize.
 int Heap::semispace_size_  = 2*MB;
 int Heap::old_generation_size_ = 512*MB;
 int Heap::initial_semispace_size_ = 256*KB;
 
 GCCallback Heap::global_gc_prologue_callback_ = NULL;
@@ skipping 201 matching lines @@
 
 
 void Heap::CollectAllGarbage() {
   // Since we are ignoring the return value, the exact choice of space does
   // not matter, so long as we do not specify NEW_SPACE, which would not
   // cause a full GC.
   CollectGarbage(0, OLD_POINTER_SPACE);
 }
 
 
-void Heap::ClearStoreICs() {
-  if (has_store_ics_) {
-    Counters::clear_store_ic.Increment();
-    CollectAllGarbage();
-  }
-}
-
-
 void Heap::CollectAllGarbageIfContextDisposed() {
   // If the garbage collector interface is exposed through the global
   // gc() function, we avoid being clever about forcing GCs when
   // contexts are disposed and leave it to the embedder to make
   // informed decisions about when to force a collection.
   if (!FLAG_expose_gc && context_disposed_pending_) {
     HistogramTimerScope scope(&Counters::gc_context);
     CollectAllGarbage();
   }
   context_disposed_pending_ = false;
@@ skipping 160 matching lines @@
   CompilationCache::MarkCompactPrologue();
 
   Top::MarkCompactPrologue(is_compacting);
   ThreadManager::MarkCompactPrologue(is_compacting);
 }
 
 
 void Heap::MarkCompactEpilogue(bool is_compacting) {
   Top::MarkCompactEpilogue(is_compacting);
   ThreadManager::MarkCompactEpilogue(is_compacting);
-  Heap::has_store_ics_ = false;
 }
 
 
 Object* Heap::FindCodeObject(Address a) {
   Object* obj = code_space_->FindObject(a);
   if (obj->IsFailure()) {
     obj = lo_space_->FindObject(a);
   }
   ASSERT(!obj->IsFailure());
   return obj;
@@ skipping 2828 matching lines @@
 #ifdef DEBUG
 bool Heap::GarbageCollectionGreedyCheck() {
   ASSERT(FLAG_gc_greedy);
   if (Bootstrapper::IsActive()) return true;
   if (disallow_allocation_failure()) return true;
   return CollectGarbage(0, NEW_SPACE);
 }
 #endif
 
 } }  // namespace v8::internal