Revision: 18776
Author:   [email protected]
Date:     Thu Jan 23 13:02:27 2014 UTC
Log: Remove Heap::MaxRegularSpaceAllocationSize and use Page::MaxRegularHeapObjectSize instead.

BUG=
[email protected], [email protected]

Review URL: https://codereview.chromium.org/141653016
http://code.google.com/p/v8/source/detail?r=18776

Modified:
 /branches/bleeding_edge/src/arm/macro-assembler-arm.cc
 /branches/bleeding_edge/src/heap.cc
 /branches/bleeding_edge/src/heap.h
 /branches/bleeding_edge/src/hydrogen-instructions.cc
 /branches/bleeding_edge/src/hydrogen.cc
 /branches/bleeding_edge/src/ia32/macro-assembler-ia32.cc
 /branches/bleeding_edge/src/mark-compact.cc
 /branches/bleeding_edge/src/mips/macro-assembler-mips.cc
 /branches/bleeding_edge/src/objects-inl.h
 /branches/bleeding_edge/src/objects-visiting.h
 /branches/bleeding_edge/src/objects.h
 /branches/bleeding_edge/src/runtime.cc
 /branches/bleeding_edge/src/spaces-inl.h
 /branches/bleeding_edge/src/spaces.h
 /branches/bleeding_edge/src/x64/macro-assembler-x64.cc
 /branches/bleeding_edge/test/cctest/test-alloc.cc
 /branches/bleeding_edge/test/cctest/test-heap.cc
 /branches/bleeding_edge/test/cctest/test-mark-compact.cc
 /branches/bleeding_edge/test/cctest/test-spaces.cc
 /branches/bleeding_edge/test/mjsunit/allocation-folding.js
 /branches/bleeding_edge/test/mjsunit/regress/regress-3027.js

=======================================
--- /branches/bleeding_edge/src/arm/macro-assembler-arm.cc Tue Jan 21 11:20:11 2014 UTC +++ /branches/bleeding_edge/src/arm/macro-assembler-arm.cc Thu Jan 23 13:02:27 2014 UTC
@@ -1639,7 +1639,7 @@
                               Register scratch2,
                               Label* gc_required,
                               AllocationFlags flags) {
-  ASSERT(object_size <= Page::kMaxNonCodeHeapObjectSize);
+  ASSERT(object_size <= Page::kMaxRegularHeapObjectSize);
   if (!FLAG_inline_new) {
     if (emit_debug_code()) {
       // Trash the registers to simulate an allocation failure.
=======================================
--- /branches/bleeding_edge/src/heap.cc Thu Jan 23 12:13:20 2014 UTC
+++ /branches/bleeding_edge/src/heap.cc Thu Jan 23 13:02:27 2014 UTC
@@ -2282,7 +2282,7 @@
                                     HeapObject** slot,
                                     HeapObject* object,
                                     int object_size) {
-    SLOW_ASSERT(object_size <= Page::kMaxNonCodeHeapObjectSize);
+    SLOW_ASSERT(object_size <= Page::kMaxRegularHeapObjectSize);
     SLOW_ASSERT(object->Size() == object_size);

     int allocation_size = object_size;
@@ -2936,7 +2936,8 @@
   // Statically ensure that it is safe to allocate heap numbers in paged
   // spaces.
   int size = HeapNumber::kSize;
-  STATIC_ASSERT(HeapNumber::kSize <= Page::kMaxNonCodeHeapObjectSize);
+  STATIC_ASSERT(HeapNumber::kSize <= Page::kMaxRegularHeapObjectSize);
+
   AllocationSpace space = SelectSpace(size, OLD_DATA_SPACE, pretenure);

   Object* result;
@@ -2952,7 +2953,7 @@

 MaybeObject* Heap::AllocateCell(Object* value) {
   int size = Cell::kSize;
-  STATIC_ASSERT(Cell::kSize <= Page::kMaxNonCodeHeapObjectSize);
+  STATIC_ASSERT(Cell::kSize <= Page::kMaxRegularHeapObjectSize);

   Object* result;
   { MaybeObject* maybe_result = AllocateRaw(size, CELL_SPACE, CELL_SPACE);
@@ -2966,7 +2967,7 @@

 MaybeObject* Heap::AllocatePropertyCell() {
   int size = PropertyCell::kSize;
-  STATIC_ASSERT(PropertyCell::kSize <= Page::kMaxNonCodeHeapObjectSize);
+  STATIC_ASSERT(PropertyCell::kSize <= Page::kMaxRegularHeapObjectSize);

   Object* result;
   MaybeObject* maybe_result =
@@ -3724,7 +3725,7 @@

MaybeObject* Heap::AllocateForeign(Address address, PretenureFlag pretenure) { // Statically ensure that it is safe to allocate foreigns in paged spaces.
-  STATIC_ASSERT(Foreign::kSize <= Page::kMaxNonCodeHeapObjectSize);
+  STATIC_ASSERT(Foreign::kSize <= Page::kMaxRegularHeapObjectSize);
AllocationSpace space = (pretenure == TENURED) ? OLD_DATA_SPACE : NEW_SPACE;
   Foreign* result;
   MaybeObject* maybe_result = Allocate(foreign_map(), space);
@@ -5348,7 +5349,7 @@

 MaybeObject* Heap::AllocateSymbol() {
   // Statically ensure that it is safe to allocate symbols in paged spaces.
-  STATIC_ASSERT(Symbol::kSize <= Page::kMaxNonCodeHeapObjectSize);
+  STATIC_ASSERT(Symbol::kSize <= Page::kMaxRegularHeapObjectSize);

   Object* result;
   MaybeObject* maybe =
@@ -6312,7 +6313,7 @@
                                          Page::kPageSize));

   // We rely on being able to allocate new arrays in paged spaces.
-  ASSERT(MaxRegularSpaceAllocationSize() >=
+  ASSERT(Page::kMaxRegularHeapObjectSize >=
          (JSArray::kSize +
           FixedArray::SizeFor(JSObject::kInitialMaxFastElementArray) +
           AllocationMemento::kSize));
=======================================
--- /branches/bleeding_edge/src/heap.h  Wed Jan 22 12:07:14 2014 UTC
+++ /branches/bleeding_edge/src/heap.h  Thu Jan 23 13:02:27 2014 UTC
@@ -531,7 +531,6 @@
   int InitialSemiSpaceSize() { return initial_semispace_size_; }
   intptr_t MaxOldGenerationSize() { return max_old_generation_size_; }
   intptr_t MaxExecutableSize() { return max_executable_size_; }
- int MaxRegularSpaceAllocationSize() { return InitialSemiSpaceSize() * 4/5; }

   // Returns the capacity of the heap in bytes w/o growing. Heap grows when
   // more spaces are needed until it reaches the limit.
@@ -2103,7 +2102,7 @@
                                      PretenureFlag pretenure) {
     ASSERT(preferred_old_space == OLD_POINTER_SPACE ||
            preferred_old_space == OLD_DATA_SPACE);
-    if (object_size > Page::kMaxNonCodeHeapObjectSize) return LO_SPACE;
+    if (object_size > Page::kMaxRegularHeapObjectSize) return LO_SPACE;
     return (pretenure == TENURED) ? preferred_old_space : NEW_SPACE;
   }

=======================================
--- /branches/bleeding_edge/src/hydrogen-instructions.cc Wed Jan 22 11:54:51 2014 UTC +++ /branches/bleeding_edge/src/hydrogen-instructions.cc Thu Jan 23 13:02:27 2014 UTC
@@ -3453,7 +3453,9 @@
     }
   }

- if (new_dominator_size > isolate()->heap()->MaxRegularSpaceAllocationSize()) {
+  // Since we clear the first word after folded memory, we cannot use the
+  // whole Page::kMaxRegularHeapObjectSize memory.
+ if (new_dominator_size > Page::kMaxRegularHeapObjectSize - kPointerSize) {
     if (FLAG_trace_allocation_folding) {
       PrintF("#%d (%s) cannot fold into #%d (%s) due to size: %d\n",
           id(), Mnemonic(), dominator_allocate->id(),
=======================================
--- /branches/bleeding_edge/src/hydrogen.cc     Wed Jan 22 13:22:58 2014 UTC
+++ /branches/bleeding_edge/src/hydrogen.cc     Thu Jan 23 13:02:27 2014 UTC
@@ -2369,10 +2369,9 @@


void HGraphBuilder::BuildNewSpaceArrayCheck(HValue* length, ElementsKind kind) {
-  Heap* heap = isolate()->heap();
   int element_size = IsFastDoubleElementsKind(kind) ? kDoubleSize
                                                     : kPointerSize;
-  int max_size = heap->MaxRegularSpaceAllocationSize() / element_size;
+  int max_size = Page::kMaxRegularHeapObjectSize / element_size;
   max_size -= JSArray::kSize / element_size;
   HConstant* max_size_constant = Add<HConstant>(max_size);
   Add<HBoundsCheck>(length, max_size_constant);
=======================================
--- /branches/bleeding_edge/src/ia32/macro-assembler-ia32.cc Tue Jan 21 11:20:11 2014 UTC +++ /branches/bleeding_edge/src/ia32/macro-assembler-ia32.cc Thu Jan 23 13:02:27 2014 UTC
@@ -1591,7 +1591,7 @@
                               Label* gc_required,
                               AllocationFlags flags) {
   ASSERT((flags & (RESULT_CONTAINS_TOP | SIZE_IN_WORDS)) == 0);
-  ASSERT(object_size <= Page::kMaxNonCodeHeapObjectSize);
+  ASSERT(object_size <= Page::kMaxRegularHeapObjectSize);
   if (!FLAG_inline_new) {
     if (emit_debug_code()) {
       // Trash the registers to simulate an allocation failure.
=======================================
--- /branches/bleeding_edge/src/mark-compact.cc Tue Jan 21 19:40:25 2014 UTC
+++ /branches/bleeding_edge/src/mark-compact.cc Thu Jan 23 13:02:27 2014 UTC
@@ -2792,7 +2792,7 @@
     heap_profiler->ObjectMoveEvent(src, dst, size);
   }
   ASSERT(heap()->AllowedToBeMigrated(HeapObject::FromAddress(src), dest));
-  ASSERT(dest != LO_SPACE && size <= Page::kMaxNonCodeHeapObjectSize);
+  ASSERT(dest != LO_SPACE && size <= Page::kMaxRegularHeapObjectSize);
   if (dest == OLD_POINTER_SPACE) {
     Address src_slot = src;
     Address dst_slot = dst;
@@ -2966,7 +2966,7 @@
 bool MarkCompactCollector::TryPromoteObject(HeapObject* object,
                                             int object_size) {
   // TODO(hpayer): Replace that check with an assert.
-  CHECK(object_size <= Page::kMaxNonCodeHeapObjectSize);
+  CHECK(object_size <= Page::kMaxRegularHeapObjectSize);

   OldSpace* target_space = heap()->TargetSpace(object);

=======================================
--- /branches/bleeding_edge/src/mips/macro-assembler-mips.cc Tue Jan 21 17:48:57 2014 UTC +++ /branches/bleeding_edge/src/mips/macro-assembler-mips.cc Thu Jan 23 13:02:27 2014 UTC
@@ -2844,7 +2844,7 @@
                               Register scratch2,
                               Label* gc_required,
                               AllocationFlags flags) {
-  ASSERT(object_size <= Page::kMaxNonCodeHeapObjectSize);
+  ASSERT(object_size <= Page::kMaxRegularHeapObjectSize);
   if (!FLAG_inline_new) {
     if (emit_debug_code()) {
       // Trash the registers to simulate an allocation failure.
=======================================
--- /branches/bleeding_edge/src/objects-inl.h   Wed Jan 22 14:02:00 2014 UTC
+++ /branches/bleeding_edge/src/objects-inl.h   Thu Jan 23 13:02:27 2014 UTC
@@ -4702,7 +4702,7 @@
   if (!HasTransitionArray()) return true;
   return FixedArray::SizeFor(transitions()->length() +
                              TransitionArray::kTransitionSize)
-      <= Page::kMaxNonCodeHeapObjectSize;
+      <= Page::kMaxRegularHeapObjectSize;
 }


=======================================
--- /branches/bleeding_edge/src/objects-visiting.h Thu Jan 16 17:08:45 2014 UTC +++ /branches/bleeding_edge/src/objects-visiting.h Thu Jan 23 13:02:27 2014 UTC
@@ -144,7 +144,7 @@
            (base == kVisitJSObject));
     ASSERT(IsAligned(object_size, kPointerSize));
     ASSERT(kMinObjectSizeInWords * kPointerSize <= object_size);
-    ASSERT(object_size <= Page::kMaxNonCodeHeapObjectSize);
+    ASSERT(object_size <= Page::kMaxRegularHeapObjectSize);

     const VisitorId specialization = static_cast<VisitorId>(
         base + (object_size >> kPointerSizeLog2) - kMinObjectSizeInWords);
=======================================
--- /branches/bleeding_edge/src/objects.h       Tue Jan 21 16:22:52 2014 UTC
+++ /branches/bleeding_edge/src/objects.h       Thu Jan 23 13:02:27 2014 UTC
@@ -2663,7 +2663,7 @@
   // don't want to be wasteful with long lived objects.
   static const int kMaxUncheckedOldFastElementsLength = 500;

-  // Note that Heap::MaxRegularSpaceAllocationSize() puts a limit on
+  // Note that Page::kMaxRegularHeapObjectSize puts a limit on
   // permissible values (see the ASSERT in heap.cc).
   static const int kInitialMaxFastElementArray = 100000;

=======================================
--- /branches/bleeding_edge/src/runtime.cc      Thu Jan 23 08:36:22 2014 UTC
+++ /branches/bleeding_edge/src/runtime.cc      Thu Jan 23 13:02:27 2014 UTC
@@ -9757,7 +9757,7 @@
   Heap* heap = isolate->heap();
   RUNTIME_ASSERT(IsAligned(size, kPointerSize));
   RUNTIME_ASSERT(size > 0);
-  RUNTIME_ASSERT(size <= heap->MaxRegularSpaceAllocationSize());
+  RUNTIME_ASSERT(size <= Page::kMaxRegularHeapObjectSize);
   HeapObject* allocation;
   { MaybeObject* maybe_allocation = heap->AllocateRaw(size, space, space);
     if (!maybe_allocation->To(&allocation)) return maybe_allocation;
=======================================
--- /branches/bleeding_edge/src/spaces-inl.h    Thu Jan 23 12:13:20 2014 UTC
+++ /branches/bleeding_edge/src/spaces-inl.h    Thu Jan 23 13:02:27 2014 UTC
@@ -165,7 +165,7 @@
                        Executability executable,
                        PagedSpace* owner) {
   Page* page = reinterpret_cast<Page*>(chunk);
-  ASSERT(page->area_size() <= kMaxNonCodeHeapObjectSize);
+  ASSERT(page->area_size() <= kMaxRegularHeapObjectSize);
   ASSERT(chunk->owner() == owner);
   owner->IncreaseCapacity(page->area_size());
   owner->Free(page->area_start(), page->area_size());
=======================================
--- /branches/bleeding_edge/src/spaces.h        Thu Jan 23 12:13:20 2014 UTC
+++ /branches/bleeding_edge/src/spaces.h        Thu Jan 23 13:02:27 2014 UTC
@@ -103,7 +103,7 @@
   ASSERT((OffsetFrom(address) & kObjectAlignmentMask) == 0)

#define ASSERT_OBJECT_SIZE(size) \
-  ASSERT((0 < size) && (size <= Page::kMaxNonCodeHeapObjectSize))
+  ASSERT((0 < size) && (size <= Page::kMaxRegularHeapObjectSize))

#define ASSERT_PAGE_OFFSET(offset) \ ASSERT((Page::kObjectStartOffset <= offset) \
@@ -783,7 +783,7 @@
// are allocated in large object space and are never moved in memory. This
   // also applies to new space allocation, since objects are never migrated
// from new space to large object space. Takes double alignment into account. - static const int kMaxNonCodeHeapObjectSize = kPageSize - kObjectStartOffset; + static const int kMaxRegularHeapObjectSize = kPageSize - kObjectStartOffset;

   // Page size mask.
   static const intptr_t kPageAlignmentMask = (1 << kPageSizeBits) - 1;
@@ -1076,7 +1076,7 @@

   // Returns maximum available bytes that the old space can have.
   intptr_t MaxAvailable() {
- return (Available() / Page::kPageSize) * Page::kMaxNonCodeHeapObjectSize; + return (Available() / Page::kPageSize) * Page::kMaxRegularHeapObjectSize;
   }

   // Returns an indication of whether a pointer is in a space that has
@@ -1631,7 +1631,7 @@
  private:
   // The size range of blocks, in bytes.
   static const int kMinBlockSize = 3 * kPointerSize;
-  static const int kMaxBlockSize = Page::kMaxNonCodeHeapObjectSize;
+  static const int kMaxBlockSize = Page::kMaxRegularHeapObjectSize;

   FreeListNode* FindNodeFor(int size_in_bytes, int* node_size);

@@ -2009,7 +2009,7 @@
     (1 << MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING) |
     (1 << MemoryChunk::SCAN_ON_SCAVENGE);

-  static const int kAreaSize = Page::kMaxNonCodeHeapObjectSize;
+  static const int kAreaSize = Page::kMaxRegularHeapObjectSize;

   inline NewSpacePage* next_page() const {
     return static_cast<NewSpacePage*>(next_chunk());
@@ -2669,7 +2669,7 @@
   virtual void VerifyObject(HeapObject* obj);

  private:
- static const int kMapsPerPage = Page::kMaxNonCodeHeapObjectSize / Map::kSize; + static const int kMapsPerPage = Page::kMaxRegularHeapObjectSize / Map::kSize;

   // Do map space compaction if there is a page gap.
   int CompactionThreshold() {
=======================================
--- /branches/bleeding_edge/src/x64/macro-assembler-x64.cc Tue Jan 21 11:20:11 2014 UTC +++ /branches/bleeding_edge/src/x64/macro-assembler-x64.cc Thu Jan 23 13:02:27 2014 UTC
@@ -4048,7 +4048,7 @@
                               Label* gc_required,
                               AllocationFlags flags) {
   ASSERT((flags & (RESULT_CONTAINS_TOP | SIZE_IN_WORDS)) == 0);
-  ASSERT(object_size <= Page::kMaxNonCodeHeapObjectSize);
+  ASSERT(object_size <= Page::kMaxRegularHeapObjectSize);
   if (!FLAG_inline_new) {
     if (emit_debug_code()) {
       // Trash the registers to simulate an allocation failure.
=======================================
--- /branches/bleeding_edge/test/cctest/test-alloc.cc Fri Nov 22 12:43:17 2013 UTC +++ /branches/bleeding_edge/test/cctest/test-alloc.cc Thu Jan 23 13:02:27 2014 UTC
@@ -198,11 +198,11 @@
     if (current_allocated < code_range_size / 10) {
       // Allocate a block.
       // Geometrically distributed sizes, greater than
- // Page::kMaxNonCodeHeapObjectSize (which is greater than code page area). + // Page::kMaxRegularHeapObjectSize (which is greater than code page area). // TODO(gc): instead of using 3 use some contant based on code_range_size
       // kMaxHeapObjectSize.
       size_t requested =
-          (Page::kMaxNonCodeHeapObjectSize << (Pseudorandom() % 3)) +
+          (Page::kMaxRegularHeapObjectSize << (Pseudorandom() % 3)) +
           Pseudorandom() % 5000 + 1;
       size_t allocated = 0;
       Address base = code_range.AllocateRawMemory(requested,
=======================================
--- /branches/bleeding_edge/test/cctest/test-heap.cc Wed Jan 22 12:59:25 2014 UTC +++ /branches/bleeding_edge/test/cctest/test-heap.cc Thu Jan 23 13:02:27 2014 UTC
@@ -918,7 +918,7 @@
       factory->NewStringFromAscii(CStrVector("abcdefghij"), TENURED);

   // Allocate a large string (for large object space).
-  int large_size = Page::kMaxNonCodeHeapObjectSize + 1;
+  int large_size = Page::kMaxRegularHeapObjectSize + 1;
   char* str = new char[large_size];
   for (int i = 0; i < large_size - 1; ++i) str[i] = 'a';
   str[large_size - 1] = '\0';
@@ -987,7 +987,7 @@
   // just enough room to allocate JSObject and thus fill the newspace.

   int allocation_amount = Min(FixedArray::kMaxSize,
- Page::kMaxNonCodeHeapObjectSize + kPointerSize); + Page::kMaxRegularHeapObjectSize + kPointerSize);
   int allocation_len = LenFromSize(allocation_amount);
   NewSpace* new_space = heap->new_space();
   Address* top_addr = new_space->allocation_top_address();
=======================================
--- /branches/bleeding_edge/test/cctest/test-mark-compact.cc Wed Dec 18 08:09:37 2013 UTC +++ /branches/bleeding_edge/test/cctest/test-mark-compact.cc Thu Jan 23 13:02:27 2014 UTC
@@ -82,7 +82,7 @@

   // Allocate a fixed array in the new space.
   int array_length =
-      (Page::kMaxNonCodeHeapObjectSize - FixedArray::kHeaderSize) /
+      (Page::kMaxRegularHeapObjectSize - FixedArray::kHeaderSize) /
       (4 * kPointerSize);
   Object* obj = heap->AllocateFixedArray(array_length)->ToObjectChecked();
   Handle<FixedArray> array(FixedArray::cast(obj));
@@ -107,7 +107,7 @@

   // Allocate a big fixed array in the new space.
   int array_length =
-      (Page::kMaxNonCodeHeapObjectSize - FixedArray::kHeaderSize) /
+      (Page::kMaxRegularHeapObjectSize - FixedArray::kHeaderSize) /
       (2 * kPointerSize);
   Object* obj = heap->AllocateFixedArray(array_length)->ToObjectChecked();
   Handle<FixedArray> array(FixedArray::cast(obj));
=======================================
--- /branches/bleeding_edge/test/cctest/test-spaces.cc Fri Sep 20 12:18:17 2013 UTC +++ /branches/bleeding_edge/test/cctest/test-spaces.cc Thu Jan 23 13:02:27 2014 UTC
@@ -327,9 +327,9 @@
                         CcTest::heap()->ReservedSemiSpaceSize()));
   CHECK(new_space.HasBeenSetUp());

-  while (new_space.Available() >= Page::kMaxNonCodeHeapObjectSize) {
+  while (new_space.Available() >= Page::kMaxRegularHeapObjectSize) {
     Object* obj =
-        new_space.AllocateRaw(Page::kMaxNonCodeHeapObjectSize)->
+        new_space.AllocateRaw(Page::kMaxRegularHeapObjectSize)->
         ToObjectUnchecked();
     CHECK(new_space.Contains(HeapObject::cast(obj)));
   }
@@ -359,7 +359,7 @@
   CHECK(s->SetUp());

   while (s->Available() > 0) {
-    s->AllocateRaw(Page::kMaxNonCodeHeapObjectSize)->ToObjectUnchecked();
+    s->AllocateRaw(Page::kMaxRegularHeapObjectSize)->ToObjectUnchecked();
   }

   s->TearDown();
=======================================
--- /branches/bleeding_edge/test/mjsunit/allocation-folding.js Fri Nov 15 18:44:59 2013 UTC +++ /branches/bleeding_edge/test/mjsunit/allocation-folding.js Thu Jan 23 13:02:27 2014 UTC
@@ -101,8 +101,7 @@
 assertEquals(result[1], 4);
 assertEquals(result2[1], 6);

-// Test to exceed the Heap::MaxRegularSpaceAllocationSize limit but not
-// the Page::kMaxNonCodeHeapObjectSize limit with allocation folding.
+// Test to almost exceed the Page::MaxRegularHeapObjectSize limit.

 function boom() {
   var a1 = new Array(84632);
=======================================
--- /branches/bleeding_edge/test/mjsunit/regress/regress-3027.js Thu Nov 28 09:29:57 2013 UTC +++ /branches/bleeding_edge/test/mjsunit/regress/regress-3027.js Thu Jan 23 13:02:27 2014 UTC
@@ -25,7 +25,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

-// Test to exceed the Heap::MaxRegularSpaceAllocationSize with an array
+// Test to exceed the Page::MaxRegularHeapObjectSize with an array
 // constructor call taking many arguments.

 function boom() {

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