commit 8432c9102e4b2125d8eec741d35237cf23167471
author hpayer@chromium.org <hpayer@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00> Thu Feb 28 15:55:26 2013 +0000
committer hpayer@chromium.org <hpayer@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00> Thu Feb 28 15:55:26 2013 +0000
tree 1e8064c580978e6cb384f57858e49dbbfa490768
parent 71fc3467b5396c27d0b701d88e196e88c78d8864

Version 3.17.6

Fixed materialization of arguments objects with unknown values. (Chromium issue 163530)

Set default number of sweeper threads to at most four.

Performance and stability improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/trunk@13779 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/heap.cc

diff --git a/src/heap.cc b/src/heap.cc
index 9028989..a698339 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -591,7 +591,6 @@
   mark_compact_collector()->SetFlags(kNoGCFlags);
   new_space_.Shrink();
   UncommitFromSpace();
-  Shrink();
   incremental_marking()->UncommitMarkingDeque();
 }
 
@@ -789,11 +788,6 @@
   if (new_space_.CommitFromSpaceIfNeeded()) return;
 
   // Committing memory to from space failed.
-  // Try shrinking and try again.
-  Shrink();
-  if (new_space_.CommitFromSpaceIfNeeded()) return;
-
-  // Committing memory to from space failed again.
   // Memory is exhausted and we will die.
   V8::FatalProcessOutOfMemory("Committing semi space failed.");
 }
@@ -822,7 +816,6 @@
 }
 
 
-
 void Heap::ClearNormalizedMapCaches() {
   if (isolate_->bootstrapper()->IsActive() &&
       !incremental_marking()->IsMarking()) {
@@ -2689,13 +2682,13 @@
 
 void Heap::CreateJSEntryStub() {
   JSEntryStub stub;
-  set_js_entry_code(*stub.GetCode());
+  set_js_entry_code(*stub.GetCode(isolate()));
 }
 
 
 void Heap::CreateJSConstructEntryStub() {
   JSConstructEntryStub stub;
-  set_js_construct_entry_code(*stub.GetCode());
+  set_js_construct_entry_code(*stub.GetCode(isolate()));
 }
 
 
@@ -2720,7 +2713,7 @@
   // create them if we need them during the creation of another stub.
   // Stub creation mixes raw pointers and handles in an unsafe manner so
   // we cannot create stubs while we are creating stubs.
-  CodeStub::GenerateStubsAheadOfTime();
+  CodeStub::GenerateStubsAheadOfTime(isolate());
 }
 
 
@@ -3278,7 +3271,7 @@
   Code* illegal = isolate_->builtins()->builtin(Builtins::kIllegal);
   share->set_code(illegal);
   share->ClearOptimizedCodeMap();
-  share->set_scope_info(ScopeInfo::Empty());
+  share->set_scope_info(ScopeInfo::Empty(isolate_));
   Code* construct_stub =
       isolate_->builtins()->builtin(Builtins::kJSConstructStubGeneric);
   share->set_construct_stub(construct_stub);
@@ -6414,17 +6407,6 @@
 }
 
 
-void Heap::Shrink() {
-  // Try to shrink all paged spaces.
-  PagedSpaces spaces(this);
-  for (PagedSpace* space = spaces.next();
-       space != NULL;
-       space = spaces.next()) {
-    space->ReleaseAllUnusedPages();
-  }
-}
-
-
 void Heap::AddGCPrologueCallback(GCPrologueCallback callback, GCType gc_type) {
   ASSERT(callback != NULL);
   GCPrologueCallbackPair pair(callback, gc_type);