Merge V8 5.2.361.47 DO NOT MERGE
https://chromium.googlesource.com/v8/v8/+/5.2.361.47
FPIIM-449
Change-Id: Ibec421b85a9b88cb3a432ada642e469fe7e78346
(cherry picked from commit bcf72ee8e3b26f1d0726869c7ddb3921c68b09a8)
diff --git a/src/compiler/access-builder.cc b/src/compiler/access-builder.cc
index 722bbf0..d4187fa 100644
--- a/src/compiler/access-builder.cc
+++ b/src/compiler/access-builder.cc
@@ -16,36 +16,39 @@
// static
FieldAccess AccessBuilder::ForMap() {
- FieldAccess access = {kTaggedBase, HeapObject::kMapOffset,
- MaybeHandle<Name>(), Type::Any(),
- MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, HeapObject::kMapOffset, MaybeHandle<Name>(),
+ Type::Any(), MachineType::AnyTagged(), kMapWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForHeapNumberValue() {
- FieldAccess access = {kTaggedBase, HeapNumber::kValueOffset,
- MaybeHandle<Name>(), TypeCache().Get().kFloat64,
- MachineType::Float64()};
+ FieldAccess access = {kTaggedBase,
+ HeapNumber::kValueOffset,
+ MaybeHandle<Name>(),
+ TypeCache::Get().kFloat64,
+ MachineType::Float64(),
+ kNoWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForJSObjectProperties() {
- FieldAccess access = {kTaggedBase, JSObject::kPropertiesOffset,
- MaybeHandle<Name>(), Type::Internal(),
- MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, JSObject::kPropertiesOffset, MaybeHandle<Name>(),
+ Type::Internal(), MachineType::AnyTagged(), kPointerWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForJSObjectElements() {
- FieldAccess access = {kTaggedBase, JSObject::kElementsOffset,
- MaybeHandle<Name>(), Type::Internal(),
- MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, JSObject::kElementsOffset, MaybeHandle<Name>(),
+ Type::Internal(), MachineType::AnyTagged(), kPointerWriteBarrier};
return access;
}
@@ -54,39 +57,93 @@
FieldAccess AccessBuilder::ForJSObjectInObjectProperty(Handle<Map> map,
int index) {
int const offset = map->GetInObjectPropertyOffset(index);
- FieldAccess access = {kTaggedBase, offset, MaybeHandle<Name>(),
- Type::Tagged(), MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ offset,
+ MaybeHandle<Name>(),
+ Type::Tagged(),
+ MachineType::AnyTagged(),
+ kFullWriteBarrier};
return access;
}
// static
+FieldAccess AccessBuilder::ForJSFunctionPrototypeOrInitialMap() {
+ FieldAccess access = {kTaggedBase,
+ JSFunction::kPrototypeOrInitialMapOffset,
+ MaybeHandle<Name>(),
+ Type::Any(),
+ MachineType::AnyTagged(),
+ kFullWriteBarrier};
+ return access;
+}
+
+// static
FieldAccess AccessBuilder::ForJSFunctionContext() {
- FieldAccess access = {kTaggedBase, JSFunction::kContextOffset,
- MaybeHandle<Name>(), Type::Internal(),
- MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, JSFunction::kContextOffset, MaybeHandle<Name>(),
+ Type::Internal(), MachineType::AnyTagged(), kPointerWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForJSFunctionSharedFunctionInfo() {
- FieldAccess access = {kTaggedBase, JSFunction::kSharedFunctionInfoOffset,
- Handle<Name>(), Type::Any(), MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ JSFunction::kSharedFunctionInfoOffset,
+ Handle<Name>(),
+ Type::Any(),
+ MachineType::AnyTagged(),
+ kPointerWriteBarrier};
return access;
}
// static
+FieldAccess AccessBuilder::ForJSFunctionLiterals() {
+ FieldAccess access = {
+ kTaggedBase, JSFunction::kLiteralsOffset, Handle<Name>(),
+ Type::Internal(), MachineType::AnyTagged(), kPointerWriteBarrier};
+ return access;
+}
+
+// static
+FieldAccess AccessBuilder::ForJSFunctionCodeEntry() {
+ FieldAccess access = {kTaggedBase,
+ JSFunction::kCodeEntryOffset,
+ Handle<Name>(),
+ Type::UntaggedPointer(),
+ MachineType::Pointer(),
+ kNoWriteBarrier};
+ return access;
+}
+
+// static
+FieldAccess AccessBuilder::ForJSFunctionNextFunctionLink() {
+ FieldAccess access = {kTaggedBase,
+ JSFunction::kNextFunctionLinkOffset,
+ Handle<Name>(),
+ Type::Any(),
+ MachineType::AnyTagged(),
+ kPointerWriteBarrier};
+ return access;
+}
+
+// static
FieldAccess AccessBuilder::ForJSArrayLength(ElementsKind elements_kind) {
TypeCache const& type_cache = TypeCache::Get();
- FieldAccess access = {kTaggedBase, JSArray::kLengthOffset, Handle<Name>(),
+ FieldAccess access = {kTaggedBase,
+ JSArray::kLengthOffset,
+ Handle<Name>(),
type_cache.kJSArrayLengthType,
- MachineType::AnyTagged()};
+ MachineType::AnyTagged(),
+ kFullWriteBarrier};
if (IsFastDoubleElementsKind(elements_kind)) {
access.type = type_cache.kFixedDoubleArrayLengthType;
+ access.write_barrier_kind = kNoWriteBarrier;
} else if (IsFastElementsKind(elements_kind)) {
access.type = type_cache.kFixedArrayLengthType;
+ access.write_barrier_kind = kNoWriteBarrier;
}
return access;
}
@@ -94,190 +151,228 @@
// static
FieldAccess AccessBuilder::ForJSArrayBufferBackingStore() {
- FieldAccess access = {kTaggedBase, JSArrayBuffer::kBackingStoreOffset,
- MaybeHandle<Name>(), Type::UntaggedPointer(),
- MachineType::Pointer()};
+ FieldAccess access = {kTaggedBase,
+ JSArrayBuffer::kBackingStoreOffset,
+ MaybeHandle<Name>(),
+ Type::UntaggedPointer(),
+ MachineType::Pointer(),
+ kNoWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForJSArrayBufferBitField() {
- FieldAccess access = {kTaggedBase, JSArrayBuffer::kBitFieldOffset,
+ FieldAccess access = {kTaggedBase, JSArrayBuffer::kBitFieldOffset,
MaybeHandle<Name>(), TypeCache::Get().kInt8,
- MachineType::Int8()};
+ MachineType::Int8(), kNoWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForJSArrayBufferViewBuffer() {
- FieldAccess access = {kTaggedBase, JSArrayBufferView::kBufferOffset,
- MaybeHandle<Name>(), Type::TaggedPointer(),
- MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ JSArrayBufferView::kBufferOffset,
+ MaybeHandle<Name>(),
+ Type::TaggedPointer(),
+ MachineType::AnyTagged(),
+ kPointerWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForJSDateField(JSDate::FieldIndex index) {
- FieldAccess access = {
- kTaggedBase, JSDate::kValueOffset + index * kPointerSize,
- MaybeHandle<Name>(), Type::Number(), MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ JSDate::kValueOffset + index * kPointerSize,
+ MaybeHandle<Name>(),
+ Type::Number(),
+ MachineType::AnyTagged(),
+ kFullWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForJSIteratorResultDone() {
- FieldAccess access = {kTaggedBase, JSIteratorResult::kDoneOffset,
- MaybeHandle<Name>(), Type::Any(),
- MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, JSIteratorResult::kDoneOffset, MaybeHandle<Name>(),
+ Type::Any(), MachineType::AnyTagged(), kFullWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForJSIteratorResultValue() {
- FieldAccess access = {kTaggedBase, JSIteratorResult::kValueOffset,
- MaybeHandle<Name>(), Type::Any(),
- MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, JSIteratorResult::kValueOffset, MaybeHandle<Name>(),
+ Type::Any(), MachineType::AnyTagged(), kFullWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForJSRegExpFlags() {
- FieldAccess access = {kTaggedBase, JSRegExp::kFlagsOffset,
- MaybeHandle<Name>(), Type::Tagged(),
- MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, JSRegExp::kFlagsOffset, MaybeHandle<Name>(),
+ Type::Tagged(), MachineType::AnyTagged(), kFullWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForJSRegExpSource() {
- FieldAccess access = {kTaggedBase, JSRegExp::kSourceOffset,
- MaybeHandle<Name>(), Type::Tagged(),
- MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, JSRegExp::kSourceOffset, MaybeHandle<Name>(),
+ Type::Tagged(), MachineType::AnyTagged(), kFullWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForFixedArrayLength() {
- FieldAccess access = {
- kTaggedBase, FixedArray::kLengthOffset, MaybeHandle<Name>(),
- TypeCache::Get().kFixedArrayLengthType, MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ FixedArray::kLengthOffset,
+ MaybeHandle<Name>(),
+ TypeCache::Get().kFixedArrayLengthType,
+ MachineType::AnyTagged(),
+ kNoWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForDescriptorArrayEnumCache() {
- FieldAccess access = {kTaggedBase, DescriptorArray::kEnumCacheOffset,
- Handle<Name>(), Type::TaggedPointer(),
- MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ DescriptorArray::kEnumCacheOffset,
+ Handle<Name>(),
+ Type::TaggedPointer(),
+ MachineType::AnyTagged(),
+ kPointerWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForDescriptorArrayEnumCacheBridgeCache() {
- FieldAccess access = {
- kTaggedBase, DescriptorArray::kEnumCacheBridgeCacheOffset, Handle<Name>(),
- Type::TaggedPointer(), MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ DescriptorArray::kEnumCacheBridgeCacheOffset,
+ Handle<Name>(),
+ Type::TaggedPointer(),
+ MachineType::AnyTagged(),
+ kPointerWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForMapBitField() {
- FieldAccess access = {kTaggedBase, Map::kBitFieldOffset, Handle<Name>(),
- TypeCache::Get().kUint8, MachineType::Uint8()};
+ FieldAccess access = {kTaggedBase, Map::kBitFieldOffset,
+ Handle<Name>(), TypeCache::Get().kUint8,
+ MachineType::Uint8(), kNoWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForMapBitField3() {
- FieldAccess access = {kTaggedBase, Map::kBitField3Offset, Handle<Name>(),
- TypeCache::Get().kInt32, MachineType::Int32()};
+ FieldAccess access = {kTaggedBase, Map::kBitField3Offset,
+ Handle<Name>(), TypeCache::Get().kInt32,
+ MachineType::Int32(), kNoWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForMapDescriptors() {
- FieldAccess access = {kTaggedBase, Map::kDescriptorsOffset, Handle<Name>(),
- Type::TaggedPointer(), MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, Map::kDescriptorsOffset, Handle<Name>(),
+ Type::TaggedPointer(), MachineType::AnyTagged(), kPointerWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForMapInstanceType() {
- FieldAccess access = {kTaggedBase, Map::kInstanceTypeOffset, Handle<Name>(),
- TypeCache::Get().kUint8, MachineType::Uint8()};
+ FieldAccess access = {kTaggedBase, Map::kInstanceTypeOffset,
+ Handle<Name>(), TypeCache::Get().kUint8,
+ MachineType::Uint8(), kNoWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForMapPrototype() {
- FieldAccess access = {kTaggedBase, Map::kPrototypeOffset, Handle<Name>(),
- Type::TaggedPointer(), MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, Map::kPrototypeOffset, Handle<Name>(),
+ Type::TaggedPointer(), MachineType::AnyTagged(), kPointerWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForStringLength() {
- FieldAccess access = {kTaggedBase, String::kLengthOffset, Handle<Name>(),
+ FieldAccess access = {kTaggedBase,
+ String::kLengthOffset,
+ Handle<Name>(),
TypeCache::Get().kStringLengthType,
- MachineType::AnyTagged()};
+ MachineType::AnyTagged(),
+ kNoWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForJSGlobalObjectGlobalProxy() {
- FieldAccess access = {kTaggedBase, JSGlobalObject::kGlobalProxyOffset,
- Handle<Name>(), Type::Receiver(),
- MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ JSGlobalObject::kGlobalProxyOffset,
+ Handle<Name>(),
+ Type::Receiver(),
+ MachineType::AnyTagged(),
+ kPointerWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForJSGlobalObjectNativeContext() {
- FieldAccess access = {kTaggedBase, JSGlobalObject::kNativeContextOffset,
- Handle<Name>(), Type::Internal(),
- MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ JSGlobalObject::kNativeContextOffset,
+ Handle<Name>(),
+ Type::Internal(),
+ MachineType::AnyTagged(),
+ kPointerWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForValue() {
- FieldAccess access = {kTaggedBase, JSValue::kValueOffset, Handle<Name>(),
- Type::Any(), MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, JSValue::kValueOffset, Handle<Name>(),
+ Type::Any(), MachineType::AnyTagged(), kFullWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForArgumentsLength() {
- FieldAccess access = {kTaggedBase, JSArgumentsObject::kLengthOffset,
- Handle<Name>(), Type::Any(), MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, JSArgumentsObject::kLengthOffset, Handle<Name>(),
+ Type::Any(), MachineType::AnyTagged(), kFullWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForArgumentsCallee() {
- FieldAccess access = {kTaggedBase, JSSloppyArgumentsObject::kCalleeOffset,
- Handle<Name>(), Type::Any(), MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ JSSloppyArgumentsObject::kCalleeOffset,
+ Handle<Name>(),
+ Type::Any(),
+ MachineType::AnyTagged(),
+ kPointerWriteBarrier};
return access;
}
@@ -285,8 +380,12 @@
// static
FieldAccess AccessBuilder::ForFixedArraySlot(size_t index) {
int offset = FixedArray::OffsetOfElementAt(static_cast<int>(index));
- FieldAccess access = {kTaggedBase, offset, Handle<Name>(), Type::Any(),
- MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ offset,
+ Handle<Name>(),
+ Type::Any(),
+ MachineType::AnyTagged(),
+ kFullWriteBarrier};
return access;
}
@@ -296,8 +395,12 @@
int offset = Context::kHeaderSize + static_cast<int>(index) * kPointerSize;
DCHECK_EQ(offset,
Context::SlotOffset(static_cast<int>(index)) + kHeapObjectTag);
- FieldAccess access = {kTaggedBase, offset, Handle<Name>(), Type::Any(),
- MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ offset,
+ Handle<Name>(),
+ Type::Any(),
+ MachineType::AnyTagged(),
+ kFullWriteBarrier};
return access;
}
@@ -310,16 +413,21 @@
// static
FieldAccess AccessBuilder::ForPropertyCellValue(Type* type) {
- FieldAccess access = {kTaggedBase, PropertyCell::kValueOffset, Handle<Name>(),
- type, MachineType::AnyTagged()};
+ FieldAccess access = {
+ kTaggedBase, PropertyCell::kValueOffset, Handle<Name>(),
+ type, MachineType::AnyTagged(), kFullWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForSharedFunctionInfoTypeFeedbackVector() {
- FieldAccess access = {kTaggedBase, SharedFunctionInfo::kFeedbackVectorOffset,
- Handle<Name>(), Type::Any(), MachineType::AnyTagged()};
+ FieldAccess access = {kTaggedBase,
+ SharedFunctionInfo::kFeedbackVectorOffset,
+ Handle<Name>(),
+ Type::Any(),
+ MachineType::AnyTagged(),
+ kPointerWriteBarrier};
return access;
}
@@ -327,7 +435,7 @@
// static
ElementAccess AccessBuilder::ForFixedArrayElement() {
ElementAccess access = {kTaggedBase, FixedArray::kHeaderSize, Type::Tagged(),
- MachineType::AnyTagged()};
+ MachineType::AnyTagged(), kFullWriteBarrier};
return access;
}
@@ -335,7 +443,8 @@
// static
ElementAccess AccessBuilder::ForFixedDoubleArrayElement() {
ElementAccess access = {kTaggedBase, FixedDoubleArray::kHeaderSize,
- TypeCache::Get().kFloat64, MachineType::Float64()};
+ TypeCache::Get().kFloat64, MachineType::Float64(),
+ kNoWriteBarrier};
return access;
}
@@ -348,56 +457,49 @@
switch (type) {
case kExternalInt8Array: {
ElementAccess access = {taggedness, header_size, Type::Signed32(),
- MachineType::Int8()};
+ MachineType::Int8(), kNoWriteBarrier};
return access;
}
case kExternalUint8Array:
case kExternalUint8ClampedArray: {
ElementAccess access = {taggedness, header_size, Type::Unsigned32(),
- MachineType::Uint8()};
+ MachineType::Uint8(), kNoWriteBarrier};
return access;
}
case kExternalInt16Array: {
ElementAccess access = {taggedness, header_size, Type::Signed32(),
- MachineType::Int16()};
+ MachineType::Int16(), kNoWriteBarrier};
return access;
}
case kExternalUint16Array: {
ElementAccess access = {taggedness, header_size, Type::Unsigned32(),
- MachineType::Uint16()};
+ MachineType::Uint16(), kNoWriteBarrier};
return access;
}
case kExternalInt32Array: {
ElementAccess access = {taggedness, header_size, Type::Signed32(),
- MachineType::Int32()};
+ MachineType::Int32(), kNoWriteBarrier};
return access;
}
case kExternalUint32Array: {
ElementAccess access = {taggedness, header_size, Type::Unsigned32(),
- MachineType::Uint32()};
+ MachineType::Uint32(), kNoWriteBarrier};
return access;
}
case kExternalFloat32Array: {
ElementAccess access = {taggedness, header_size, Type::Number(),
- MachineType::Float32()};
+ MachineType::Float32(), kNoWriteBarrier};
return access;
}
case kExternalFloat64Array: {
ElementAccess access = {taggedness, header_size, Type::Number(),
- MachineType::Float64()};
+ MachineType::Float64(), kNoWriteBarrier};
return access;
}
}
UNREACHABLE();
- ElementAccess access = {kUntaggedBase, 0, Type::None(), MachineType::None()};
- return access;
-}
-
-
-// static
-FieldAccess AccessBuilder::ForStatsCounter() {
- FieldAccess access = {kUntaggedBase, 0, MaybeHandle<Name>(),
- TypeCache::Get().kInt32, MachineType::Int32()};
+ ElementAccess access = {kUntaggedBase, 0, Type::None(), MachineType::None(),
+ kNoWriteBarrier};
return access;
}