Index: src/spaces.h |
diff --git a/src/spaces.h b/src/spaces.h |
index 97bcaa59ab4a6e0d4b31a2a954c292cdbfae5a35..2062f5fea5788131ca68585271c27424395ec71c 100644 |
--- a/src/spaces.h |
+++ b/src/spaces.h |
@@ -284,9 +284,7 @@ class Bitmap { |
bool IsClean() { |
for (int i = 0; i < CellsCount(); i++) { |
- if (cells()[i] != 0) { |
- return false; |
- } |
+ if (cells()[i] != 0) return false; |
} |
return true; |
} |
@@ -375,11 +373,6 @@ class MemoryChunk { |
return addr >= area_start() && addr <= area_end(); |
} |
- // Every n write barrier invocations we go to runtime even though |
- // we could have handled it in generated code. This lets us check |
- // whether we have hit the limit and should do some more marking. |
- static const int kWriteBarrierCounterGranularity = 500; |
- |
enum MemoryChunkFlags { |
IS_EXECUTABLE, |
ABOUT_TO_BE_FREED, |
@@ -400,15 +393,6 @@ class MemoryChunk { |
WAS_SWEPT_PRECISELY, |
WAS_SWEPT_CONSERVATIVELY, |
- // Used for large objects only. Indicates that the object has been |
- // partially scanned by the incremental mark-sweep GC. Objects that have |
- // been partially scanned are marked black so that the write barrier |
- // triggers for them, and they are counted as live bytes. If the mutator |
- // writes to them they may be turned grey and subtracted from the live byte |
- // list. They move back to the marking deque either by an iteration over |
- // the large object space or in the write barrier. |
- IS_PARTIALLY_SCANNED, |
- |
// Last flag, keep at bottom. |
NUM_MEMORY_CHUNK_FLAGS |
}; |
@@ -429,25 +413,6 @@ class MemoryChunk { |
(1 << IN_FROM_SPACE) | |
(1 << IN_TO_SPACE); |
- static const int kIsPartiallyScannedMask = 1 << IS_PARTIALLY_SCANNED; |
- |
- void SetPartiallyScannedProgress(int progress) { |
- SetFlag(IS_PARTIALLY_SCANNED); |
- partially_scanned_progress_ = progress; |
- } |
- |
- bool IsPartiallyScanned() { |
- return IsFlagSet(IS_PARTIALLY_SCANNED); |
- } |
- |
- void SetCompletelyScanned() { |
- ClearFlag(IS_PARTIALLY_SCANNED); |
- } |
- |
- int PartiallyScannedProgress() { |
- ASSERT(IsPartiallyScanned()); |
- return partially_scanned_progress_; |
- } |
void SetFlag(int flag) { |
flags_ |= static_cast<uintptr_t>(1) << flag; |
@@ -503,15 +468,6 @@ class MemoryChunk { |
return live_byte_count_; |
} |
- int write_barrier_counter() { |
- return static_cast<int>(write_barrier_counter_); |
- } |
- |
- void set_write_barrier_counter(int counter) { |
- write_barrier_counter_ = counter; |
- } |
- |
- |
static void IncrementLiveBytesFromGC(Address address, int by) { |
MemoryChunk::FromAddress(address)->IncrementLiveBytes(by); |
} |
@@ -532,16 +488,8 @@ class MemoryChunk { |
static const size_t kSlotsBufferOffset = kLiveBytesOffset + kIntSize; |
- static const size_t kWriteBarrierCounterOffset = |
+ static const size_t kHeaderSize = |
kSlotsBufferOffset + kPointerSize + kPointerSize; |
- static const size_t kPartiallyScannedProgress = |
- kWriteBarrierCounterOffset + kPointerSize; |
- |
- // Actually the partially_scanned_progress_ member is only an int, but on |
- // 64 bit the size of MemoryChunk gets rounded up to a 64 bit size so we |
- // have to have the header start kPointerSize after the |
- // partially_scanned_progress_ member. |
- static const size_t kHeaderSize = kPartiallyScannedProgress + kPointerSize; |
static const int kBodyOffset = |
CODE_POINTER_ALIGN(MAP_POINTER_ALIGN(kHeaderSize + Bitmap::kSize)); |
@@ -677,8 +625,6 @@ class MemoryChunk { |
int live_byte_count_; |
SlotsBuffer* slots_buffer_; |
SkipList* skip_list_; |
- intptr_t write_barrier_counter_; |
- int partially_scanned_progress_; |
static MemoryChunk* Initialize(Heap* heap, |
Address base, |