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[cleanup] Add CSA types to TypedArrayInitialize + WithBuffer version.

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Bug: v8:7109
Change-Id: I367b3de52f03958d97b5da49987310d4af1b55f5
Reviewed-on: https://chromium-review.googlesource.com/803344
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49794}
This commit is contained in:
Peter Marshall 2017-12-01 12:39:27 +01:00 committed by Commit Bot
parent dae20b0df6
commit f2ad23823e
1 changed files with 47 additions and 64 deletions
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105
src/builtins/builtins-typedarray-gen.cc
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@ -36,12 +36,13 @@ class TypedArrayBuiltinsAssembler : public CodeStubAssembler {
const char* method_name,
IterationKind iteration_kind);
void SetupTypedArray(Node* holder, Node* length, Node* byte_offset,
Node* byte_length);
void AttachBuffer(Node* holder, Node* buffer, Node* map, Node* length,
Node* byte_offset);
void SetupTypedArray(TNode<JSTypedArray> holder, TNode<Smi> length,
TNode<Number> byte_offset, TNode<Number> byte_length);
void AttachBuffer(TNode<JSTypedArray> holder, TNode<JSArrayBuffer> buffer,
TNode<Map> map, TNode<Smi> length,
TNode<Number> byte_offset);
Node* LoadMapForType(Node* array);
TNode<Map> LoadMapForType(TNode<JSTypedArray> array);
Node* CalculateExternalPointer(Node* backing_store, Node* byte_offset);
Node* LoadDataPtr(Node* typed_array);
Node* ByteLengthIsValid(Node* byte_length);
@ -78,9 +79,8 @@ class TypedArrayBuiltinsAssembler : public CodeStubAssembler {
TNode<IntPtrT> offset);
};
Node* TypedArrayBuiltinsAssembler::LoadMapForType(Node* array) {
CSA_ASSERT(this, IsJSTypedArray(array));
TNode<Map> TypedArrayBuiltinsAssembler::LoadMapForType(
TNode<JSTypedArray> array) {
Label unreachable(this), done(this);
Label uint8_elements(this), uint8_clamped_elements(this), int8_elements(this),
uint16_elements(this), int16_elements(this), uint32_elements(this),
@ -99,10 +99,10 @@ Node* TypedArrayBuiltinsAssembler::LoadMapForType(Node* array) {
DCHECK_EQ(kTypedElementsKindCount, arraysize(elements_kinds));
DCHECK_EQ(kTypedElementsKindCount, arraysize(elements_kind_labels));
VARIABLE(var_typed_map, MachineRepresentation::kTagged);
TVARIABLE(Map, var_typed_map);
Node* array_map = LoadMap(array);
Node* elements_kind = LoadMapElementsKind(array_map);
TNode<Map> array_map = LoadMap(array);
TNode<Int32T> elements_kind = LoadMapElementsKind(array_map);
Switch(elements_kind, &unreachable, elements_kinds, elements_kind_labels,
kTypedElementsKindCount);
@ -113,7 +113,7 @@ Node* TypedArrayBuiltinsAssembler::LoadMapForType(Node* array) {
ExternalArrayType type =
isolate()->factory()->GetArrayTypeFromElementsKind(kind);
Handle<Map> map(isolate()->heap()->MapForFixedTypedArray(type));
var_typed_map.Bind(HeapConstant(map));
var_typed_map = HeapConstant(map);
Goto(&done);
}
}
@ -121,7 +121,7 @@ Node* TypedArrayBuiltinsAssembler::LoadMapForType(Node* array) {
BIND(&unreachable);
{ Unreachable(); }
BIND(&done);
return var_typed_map.value();
return var_typed_map;
}
// The byte_offset can be higher than Smi range, in which case to perform the
@ -142,14 +142,10 @@ Node* TypedArrayBuiltinsAssembler::CalculateExternalPointer(Node* backing_store,
// - Set the byte_offset.
// - Set the byte_length.
// - Set EmbedderFields to 0.
void TypedArrayBuiltinsAssembler::SetupTypedArray(Node* holder, Node* length,
Node* byte_offset,
Node* byte_length) {
CSA_ASSERT(this, IsJSTypedArray(holder));
CSA_ASSERT(this, TaggedIsSmi(length));
CSA_ASSERT(this, IsNumber(byte_offset));
CSA_ASSERT(this, IsNumber(byte_length));
void TypedArrayBuiltinsAssembler::SetupTypedArray(TNode<JSTypedArray> holder,
TNode<Smi> length,
TNode<Number> byte_offset,
TNode<Number> byte_length) {
StoreObjectField(holder, JSTypedArray::kLengthOffset, length);
StoreObjectField(holder, JSArrayBufferView::kByteOffsetOffset, byte_offset);
StoreObjectField(holder, JSArrayBufferView::kByteLengthOffset, byte_length);
@ -160,15 +156,11 @@ void TypedArrayBuiltinsAssembler::SetupTypedArray(Node* holder, Node* length,
}
// Attach an off-heap buffer to a TypedArray.
void TypedArrayBuiltinsAssembler::AttachBuffer(Node* holder, Node* buffer,
Node* map, Node* length,
Node* byte_offset) {
CSA_ASSERT(this, IsJSTypedArray(holder));
CSA_ASSERT(this, IsJSArrayBuffer(buffer));
CSA_ASSERT(this, IsMap(map));
CSA_ASSERT(this, TaggedIsSmi(length));
CSA_ASSERT(this, IsNumber(byte_offset));
void TypedArrayBuiltinsAssembler::AttachBuffer(TNode<JSTypedArray> holder,
TNode<JSArrayBuffer> buffer,
TNode<Map> map,
TNode<Smi> length,
TNode<Number> byte_offset) {
StoreObjectField(holder, JSArrayBufferView::kBufferOffset, buffer);
Node* elements = Allocate(FixedTypedArrayBase::kHeaderSize);
@ -189,23 +181,16 @@ void TypedArrayBuiltinsAssembler::AttachBuffer(Node* holder, Node* buffer,
}
TF_BUILTIN(TypedArrayInitializeWithBuffer, TypedArrayBuiltinsAssembler) {
Node* holder = Parameter(Descriptor::kHolder);
Node* length = Parameter(Descriptor::kLength);
Node* buffer = Parameter(Descriptor::kBuffer);
Node* element_size = Parameter(Descriptor::kElementSize);
Node* byte_offset = Parameter(Descriptor::kByteOffset);
TNode<JSTypedArray> holder = CAST(Parameter(Descriptor::kHolder));
TNode<Smi> length = CAST(Parameter(Descriptor::kLength));
TNode<JSArrayBuffer> buffer = CAST(Parameter(Descriptor::kBuffer));
TNode<Smi> element_size = CAST(Parameter(Descriptor::kElementSize));
TNode<Number> byte_offset = CAST(Parameter(Descriptor::kByteOffset));
CSA_ASSERT(this, IsJSTypedArray(holder));
CSA_ASSERT(this, TaggedIsSmi(length));
CSA_ASSERT(this, IsJSArrayBuffer(buffer));
CSA_ASSERT(this, TaggedIsSmi(element_size));
CSA_ASSERT(this, IsNumber(byte_offset));
Node* fixed_typed_map = LoadMapForType(holder);
TNode<Map> fixed_typed_map = LoadMapForType(holder);
// SmiMul returns a heap number in case of Smi overflow.
Node* byte_length = SmiMul(length, element_size);
CSA_ASSERT(this, IsNumber(byte_length));
TNode<Number> byte_length = CAST(SmiMul(length, element_size));
SetupTypedArray(holder, length, byte_offset, byte_length);
AttachBuffer(holder, buffer, fixed_typed_map, length, byte_offset);
@ -213,18 +198,17 @@ TF_BUILTIN(TypedArrayInitializeWithBuffer, TypedArrayBuiltinsAssembler) {
}
TF_BUILTIN(TypedArrayInitialize, TypedArrayBuiltinsAssembler) {
Node* holder = Parameter(Descriptor::kHolder);
Node* length = Parameter(Descriptor::kLength);
Node* element_size = Parameter(Descriptor::kElementSize);
TNode<JSTypedArray> holder = CAST(Parameter(Descriptor::kHolder));
TNode<Smi> length = CAST(Parameter(Descriptor::kLength));
TNode<Smi> element_size = CAST(Parameter(Descriptor::kElementSize));
Node* initialize = Parameter(Descriptor::kInitialize);
Node* context = Parameter(Descriptor::kContext);
TNode<Context> context = CAST(Parameter(Descriptor::kContext));
CSA_ASSERT(this, IsJSTypedArray(holder));
CSA_ASSERT(this, TaggedIsPositiveSmi(length));
CSA_ASSERT(this, TaggedIsPositiveSmi(element_size));
CSA_ASSERT(this, IsBoolean(initialize));
Node* byte_offset = SmiConstant(0);
TNode<Smi> byte_offset = SmiConstant(0);
static const int32_t fta_base_data_offset =
FixedTypedArrayBase::kDataOffset - kHeapObjectTag;
@ -235,16 +219,16 @@ TF_BUILTIN(TypedArrayInitialize, TypedArrayBuiltinsAssembler) {
VARIABLE(var_total_size, MachineType::PointerRepresentation());
// SmiMul returns a heap number in case of Smi overflow.
Node* byte_length = SmiMul(length, element_size);
CSA_ASSERT(this, IsNumber(byte_length));
TNode<Number> byte_length = CAST(SmiMul(length, element_size));
SetupTypedArray(holder, length, byte_offset, byte_length);
Node* fixed_typed_map = LoadMapForType(holder);
TNode<Map> fixed_typed_map = LoadMapForType(holder);
GotoIf(TaggedIsNotSmi(byte_length), &allocate_off_heap);
GotoIf(
SmiGreaterThan(byte_length, SmiConstant(V8_TYPED_ARRAY_MAX_SIZE_IN_HEAP)),
&allocate_off_heap);
TNode<IntPtrT> word_byte_length = SmiToWord(CAST(byte_length));
Goto(&allocate_on_heap);
BIND(&allocate_on_heap);
@ -297,7 +281,7 @@ TF_BUILTIN(TypedArrayInitialize, TypedArrayBuiltinsAssembler) {
DCHECK_EQ(0, FixedTypedArrayBase::kHeaderSize & kObjectAlignmentMask);
Node* aligned_header_size =
IntPtrConstant(FixedTypedArrayBase::kHeaderSize + kObjectAlignmentMask);
Node* size = IntPtrAdd(SmiToWord(byte_length), aligned_header_size);
Node* size = IntPtrAdd(word_byte_length, aligned_header_size);
var_total_size.Bind(WordAnd(size, IntPtrConstant(~kObjectAlignmentMask)));
Goto(&allocate_elements);
}
@ -305,7 +289,7 @@ TF_BUILTIN(TypedArrayInitialize, TypedArrayBuiltinsAssembler) {
BIND(&aligned);
{
Node* header_size = IntPtrConstant(FixedTypedArrayBase::kHeaderSize);
var_total_size.Bind(IntPtrAdd(SmiToWord(byte_length), header_size));
var_total_size.Bind(IntPtrAdd(word_byte_length, header_size));
Goto(&allocate_elements);
}
@ -344,11 +328,11 @@ TF_BUILTIN(TypedArrayInitialize, TypedArrayBuiltinsAssembler) {
ExternalConstant(ExternalReference::libc_memset_function(isolate()));
CallCFunction3(MachineType::AnyTagged(), MachineType::Pointer(),
MachineType::IntPtr(), MachineType::UintPtr(), memset,
backing_store, IntPtrConstant(0), SmiToWord(byte_length));
backing_store, IntPtrConstant(0), word_byte_length);
Goto(&done);
}
VARIABLE(var_buffer, MachineRepresentation::kTagged);
TVARIABLE(JSArrayBuffer, var_buffer);
BIND(&allocate_off_heap);
{
@ -356,7 +340,7 @@ TF_BUILTIN(TypedArrayInitialize, TypedArrayBuiltinsAssembler) {
Node* buffer_constructor = LoadContextElement(
LoadNativeContext(context), Context::ARRAY_BUFFER_FUN_INDEX);
var_buffer.Bind(ConstructJS(CodeFactory::Construct(isolate()), context,
var_buffer = CAST(ConstructJS(CodeFactory::Construct(isolate()), context,
buffer_constructor, byte_length));
Goto(&attach_buffer);
}
@ -365,7 +349,7 @@ TF_BUILTIN(TypedArrayInitialize, TypedArrayBuiltinsAssembler) {
{
Node* buffer_constructor_noinit = LoadContextElement(
LoadNativeContext(context), Context::ARRAY_BUFFER_NOINIT_FUN_INDEX);
var_buffer.Bind(CallJS(CodeFactory::Call(isolate()), context,
var_buffer = CAST(CallJS(CodeFactory::Call(isolate()), context,
buffer_constructor_noinit, UndefinedConstant(),
byte_length));
Goto(&attach_buffer);
@ -373,8 +357,7 @@ TF_BUILTIN(TypedArrayInitialize, TypedArrayBuiltinsAssembler) {
BIND(&attach_buffer);
{
AttachBuffer(holder, var_buffer.value(), fixed_typed_map, length,
byte_offset);
AttachBuffer(holder, var_buffer, fixed_typed_map, length, byte_offset);
Goto(&done);
}