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-rw-r--r--js/src/jit/CodeGenerator.cpp341
1 files changed, 74 insertions, 267 deletions
diff --git a/js/src/jit/CodeGenerator.cpp b/js/src/jit/CodeGenerator.cpp
index 6d1fb6b9b..bd275a2c1 100644
--- a/js/src/jit/CodeGenerator.cpp
+++ b/js/src/jit/CodeGenerator.cpp
@@ -3183,9 +3183,7 @@ CodeGenerator::visitSetPropertyPolymorphicT(LSetPropertyPolymorphicT* ins)
void
CodeGenerator::visitElements(LElements* lir)
{
- Address elements(ToRegister(lir->object()),
- lir->mir()->unboxed() ? UnboxedArrayObject::offsetOfElements()
- : NativeObject::offsetOfElements());
+ Address elements(ToRegister(lir->object()), NativeObject::offsetOfElements());
masm.loadPtr(elements, ToRegister(lir->output()));
}
@@ -5341,21 +5339,11 @@ CodeGenerator::visitNewArrayDynamicLength(LNewArrayDynamicLength* lir)
bool canInline = true;
size_t inlineLength = 0;
- if (templateObject->is<ArrayObject>()) {
- if (templateObject->as<ArrayObject>().hasFixedElements()) {
- size_t numSlots = gc::GetGCKindSlots(templateObject->asTenured().getAllocKind());
- inlineLength = numSlots - ObjectElements::VALUES_PER_HEADER;
- } else {
- canInline = false;
- }
+ if (templateObject->as<ArrayObject>().hasFixedElements()) {
+ size_t numSlots = gc::GetGCKindSlots(templateObject->asTenured().getAllocKind());
+ inlineLength = numSlots - ObjectElements::VALUES_PER_HEADER;
} else {
- if (templateObject->as<UnboxedArrayObject>().hasInlineElements()) {
- size_t nbytes =
- templateObject->tenuredSizeOfThis() - UnboxedArrayObject::offsetOfInlineElements();
- inlineLength = nbytes / templateObject->as<UnboxedArrayObject>().elementSize();
- } else {
- canInline = false;
- }
+ canInline = false;
}
if (canInline) {
@@ -7812,49 +7800,6 @@ CodeGenerator::visitSetInitializedLength(LSetInitializedLength* lir)
}
void
-CodeGenerator::visitUnboxedArrayLength(LUnboxedArrayLength* lir)
-{
- Register obj = ToRegister(lir->object());
- Register result = ToRegister(lir->output());
- masm.load32(Address(obj, UnboxedArrayObject::offsetOfLength()), result);
-}
-
-void
-CodeGenerator::visitUnboxedArrayInitializedLength(LUnboxedArrayInitializedLength* lir)
-{
- Register obj = ToRegister(lir->object());
- Register result = ToRegister(lir->output());
- masm.load32(Address(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength()), result);
- masm.and32(Imm32(UnboxedArrayObject::InitializedLengthMask), result);
-}
-
-void
-CodeGenerator::visitIncrementUnboxedArrayInitializedLength(LIncrementUnboxedArrayInitializedLength* lir)
-{
- Register obj = ToRegister(lir->object());
- masm.add32(Imm32(1), Address(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength()));
-}
-
-void
-CodeGenerator::visitSetUnboxedArrayInitializedLength(LSetUnboxedArrayInitializedLength* lir)
-{
- Register obj = ToRegister(lir->object());
- RegisterOrInt32Constant key = ToRegisterOrInt32Constant(lir->length());
- Register temp = ToRegister(lir->temp());
-
- Address initLengthAddr(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength());
- masm.load32(initLengthAddr, temp);
- masm.and32(Imm32(UnboxedArrayObject::CapacityMask), temp);
-
- if (key.isRegister())
- masm.or32(key.reg(), temp);
- else
- masm.or32(Imm32(key.constant()), temp);
-
- masm.store32(temp, initLengthAddr);
-}
-
-void
CodeGenerator::visitNotO(LNotO* lir)
{
MOZ_ASSERT(lir->mir()->operandMightEmulateUndefined(),
@@ -8150,46 +8095,19 @@ CodeGenerator::emitStoreElementHoleT(T* lir)
OutOfLineStoreElementHole* ool = new(alloc()) OutOfLineStoreElementHole(lir);
addOutOfLineCode(ool, lir->mir());
- Register obj = ToRegister(lir->object());
Register elements = ToRegister(lir->elements());
const LAllocation* index = lir->index();
RegisterOrInt32Constant key = ToRegisterOrInt32Constant(index);
- JSValueType unboxedType = lir->mir()->unboxedType();
- if (unboxedType == JSVAL_TYPE_MAGIC) {
- Address initLength(elements, ObjectElements::offsetOfInitializedLength());
- masm.branch32(Assembler::BelowOrEqual, initLength, key, ool->entry());
-
- if (lir->mir()->needsBarrier())
- emitPreBarrier(elements, index, 0);
+ Address initLength(elements, ObjectElements::offsetOfInitializedLength());
+ masm.branch32(Assembler::BelowOrEqual, initLength, key, ool->entry());
- masm.bind(ool->rejoinStore());
- emitStoreElementTyped(lir->value(), lir->mir()->value()->type(), lir->mir()->elementType(),
- elements, index, 0);
- } else {
- Register temp = ToRegister(lir->getTemp(0));
- Address initLength(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength());
- masm.load32(initLength, temp);
- masm.and32(Imm32(UnboxedArrayObject::InitializedLengthMask), temp);
- masm.branch32(Assembler::BelowOrEqual, temp, key, ool->entry());
-
- ConstantOrRegister v = ToConstantOrRegister(lir->value(), lir->mir()->value()->type());
-
- if (index->isConstant()) {
- Address address(elements, ToInt32(index) * UnboxedTypeSize(unboxedType));
- EmitUnboxedPreBarrier(masm, address, unboxedType);
-
- masm.bind(ool->rejoinStore());
- masm.storeUnboxedProperty(address, unboxedType, v, nullptr);
- } else {
- BaseIndex address(elements, ToRegister(index),
- ScaleFromElemWidth(UnboxedTypeSize(unboxedType)));
- EmitUnboxedPreBarrier(masm, address, unboxedType);
+ if (lir->mir()->needsBarrier())
+ emitPreBarrier(elements, index, 0);
- masm.bind(ool->rejoinStore());
- masm.storeUnboxedProperty(address, unboxedType, v, nullptr);
- }
- }
+ masm.bind(ool->rejoinStore());
+ emitStoreElementTyped(lir->value(), lir->mir()->value()->type(), lir->mir()->elementType(),
+ elements, index, 0);
masm.bind(ool->rejoin());
}
@@ -8209,47 +8127,22 @@ CodeGenerator::emitStoreElementHoleV(T* lir)
OutOfLineStoreElementHole* ool = new(alloc()) OutOfLineStoreElementHole(lir);
addOutOfLineCode(ool, lir->mir());
- Register obj = ToRegister(lir->object());
Register elements = ToRegister(lir->elements());
const LAllocation* index = lir->index();
const ValueOperand value = ToValue(lir, T::Value);
RegisterOrInt32Constant key = ToRegisterOrInt32Constant(index);
- JSValueType unboxedType = lir->mir()->unboxedType();
- if (unboxedType == JSVAL_TYPE_MAGIC) {
- Address initLength(elements, ObjectElements::offsetOfInitializedLength());
- masm.branch32(Assembler::BelowOrEqual, initLength, key, ool->entry());
-
- if (lir->mir()->needsBarrier())
- emitPreBarrier(elements, index, 0);
+ Address initLength(elements, ObjectElements::offsetOfInitializedLength());
+ masm.branch32(Assembler::BelowOrEqual, initLength, key, ool->entry());
- masm.bind(ool->rejoinStore());
- if (index->isConstant())
- masm.storeValue(value, Address(elements, ToInt32(index) * sizeof(js::Value)));
- else
- masm.storeValue(value, BaseIndex(elements, ToRegister(index), TimesEight));
- } else {
- Register temp = ToRegister(lir->getTemp(0));
- Address initLength(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength());
- masm.load32(initLength, temp);
- masm.and32(Imm32(UnboxedArrayObject::InitializedLengthMask), temp);
- masm.branch32(Assembler::BelowOrEqual, temp, key, ool->entry());
-
- if (index->isConstant()) {
- Address address(elements, ToInt32(index) * UnboxedTypeSize(unboxedType));
- EmitUnboxedPreBarrier(masm, address, unboxedType);
-
- masm.bind(ool->rejoinStore());
- masm.storeUnboxedProperty(address, unboxedType, ConstantOrRegister(value), nullptr);
- } else {
- BaseIndex address(elements, ToRegister(index),
- ScaleFromElemWidth(UnboxedTypeSize(unboxedType)));
- EmitUnboxedPreBarrier(masm, address, unboxedType);
+ if (lir->mir()->needsBarrier())
+ emitPreBarrier(elements, index, 0);
- masm.bind(ool->rejoinStore());
- masm.storeUnboxedProperty(address, unboxedType, ConstantOrRegister(value), nullptr);
- }
- }
+ masm.bind(ool->rejoinStore());
+ if (index->isConstant())
+ masm.storeValue(value, Address(elements, ToInt32(index) * sizeof(js::Value)));
+ else
+ masm.storeValue(value, BaseIndex(elements, ToRegister(index), TimesEight));
masm.bind(ool->rejoin());
}
@@ -8334,8 +8227,6 @@ CodeGenerator::visitOutOfLineStoreElementHole(OutOfLineStoreElementHole* ool)
const LAllocation* index;
MIRType valueType;
ConstantOrRegister value;
- JSValueType unboxedType;
- LDefinition *temp = nullptr;
if (ins->isStoreElementHoleV()) {
LStoreElementHoleV* store = ins->toStoreElementHoleV();
@@ -8344,8 +8235,6 @@ CodeGenerator::visitOutOfLineStoreElementHole(OutOfLineStoreElementHole* ool)
index = store->index();
valueType = store->mir()->value()->type();
value = TypedOrValueRegister(ToValue(store, LStoreElementHoleV::Value));
- unboxedType = store->mir()->unboxedType();
- temp = store->getTemp(0);
} else if (ins->isFallibleStoreElementV()) {
LFallibleStoreElementV* store = ins->toFallibleStoreElementV();
object = ToRegister(store->object());
@@ -8353,8 +8242,6 @@ CodeGenerator::visitOutOfLineStoreElementHole(OutOfLineStoreElementHole* ool)
index = store->index();
valueType = store->mir()->value()->type();
value = TypedOrValueRegister(ToValue(store, LFallibleStoreElementV::Value));
- unboxedType = store->mir()->unboxedType();
- temp = store->getTemp(0);
} else if (ins->isStoreElementHoleT()) {
LStoreElementHoleT* store = ins->toStoreElementHoleT();
object = ToRegister(store->object());
@@ -8365,8 +8252,6 @@ CodeGenerator::visitOutOfLineStoreElementHole(OutOfLineStoreElementHole* ool)
value = ConstantOrRegister(store->value()->toConstant()->toJSValue());
else
value = TypedOrValueRegister(valueType, ToAnyRegister(store->value()));
- unboxedType = store->mir()->unboxedType();
- temp = store->getTemp(0);
} else { // ins->isFallibleStoreElementT()
LFallibleStoreElementT* store = ins->toFallibleStoreElementT();
object = ToRegister(store->object());
@@ -8377,8 +8262,6 @@ CodeGenerator::visitOutOfLineStoreElementHole(OutOfLineStoreElementHole* ool)
value = ConstantOrRegister(store->value()->toConstant()->toJSValue());
else
value = TypedOrValueRegister(valueType, ToAnyRegister(store->value()));
- unboxedType = store->mir()->unboxedType();
- temp = store->getTemp(0);
}
RegisterOrInt32Constant key = ToRegisterOrInt32Constant(index);
@@ -8389,54 +8272,32 @@ CodeGenerator::visitOutOfLineStoreElementHole(OutOfLineStoreElementHole* ool)
Label callStub;
#if defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
// Had to reimplement for MIPS because there are no flags.
- if (unboxedType == JSVAL_TYPE_MAGIC) {
- Address initLength(elements, ObjectElements::offsetOfInitializedLength());
- masm.branch32(Assembler::NotEqual, initLength, key, &callStub);
- } else {
- Address initLength(object, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength());
- masm.load32(initLength, ToRegister(temp));
- masm.and32(Imm32(UnboxedArrayObject::InitializedLengthMask), ToRegister(temp));
- masm.branch32(Assembler::NotEqual, ToRegister(temp), key, &callStub);
- }
+ Address initLength(elements, ObjectElements::offsetOfInitializedLength());
+ masm.branch32(Assembler::NotEqual, initLength, key, &callStub);
#else
masm.j(Assembler::NotEqual, &callStub);
#endif
- if (unboxedType == JSVAL_TYPE_MAGIC) {
- // Check array capacity.
- masm.branch32(Assembler::BelowOrEqual, Address(elements, ObjectElements::offsetOfCapacity()),
- key, &callStub);
-
- // Update initialized length. The capacity guard above ensures this won't overflow,
- // due to MAX_DENSE_ELEMENTS_COUNT.
- masm.inc32(&key);
- masm.store32(key, Address(elements, ObjectElements::offsetOfInitializedLength()));
-
- // Update length if length < initializedLength.
- Label dontUpdate;
- masm.branch32(Assembler::AboveOrEqual, Address(elements, ObjectElements::offsetOfLength()),
- key, &dontUpdate);
- masm.store32(key, Address(elements, ObjectElements::offsetOfLength()));
- masm.bind(&dontUpdate);
+ // Check array capacity.
+ masm.branch32(Assembler::BelowOrEqual, Address(elements, ObjectElements::offsetOfCapacity()),
+ key, &callStub);
- masm.dec32(&key);
- } else {
- // Check array capacity.
- masm.checkUnboxedArrayCapacity(object, key, ToRegister(temp), &callStub);
+ // Update initialized length. The capacity guard above ensures this won't overflow,
+ // due to MAX_DENSE_ELEMENTS_COUNT.
+ masm.inc32(&key);
+ masm.store32(key, Address(elements, ObjectElements::offsetOfInitializedLength()));
- // Update initialized length.
- masm.add32(Imm32(1), Address(object, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength()));
+ // Update length if length < initializedLength.
+ Label dontUpdate;
+ masm.branch32(Assembler::AboveOrEqual, Address(elements, ObjectElements::offsetOfLength()),
+ key, &dontUpdate);
+ masm.store32(key, Address(elements, ObjectElements::offsetOfLength()));
+ masm.bind(&dontUpdate);
- // Update length if length < initializedLength.
- Address lengthAddr(object, UnboxedArrayObject::offsetOfLength());
- Label dontUpdate;
- masm.branch32(Assembler::Above, lengthAddr, key, &dontUpdate);
- masm.add32(Imm32(1), lengthAddr);
- masm.bind(&dontUpdate);
- }
+ masm.dec32(&key);
if ((ins->isStoreElementHoleT() || ins->isFallibleStoreElementT()) &&
- unboxedType == JSVAL_TYPE_MAGIC && valueType != MIRType::Double)
+ valueType != MIRType::Double)
{
// The inline path for StoreElementHoleT and FallibleStoreElementT does not always store
// the type tag, so we do the store on the OOL path. We use MIRType::None for the element
@@ -8526,9 +8387,6 @@ typedef bool (*ConvertUnboxedObjectToNativeFn)(JSContext*, JSObject*);
static const VMFunction ConvertUnboxedPlainObjectToNativeInfo =
FunctionInfo<ConvertUnboxedObjectToNativeFn>(UnboxedPlainObject::convertToNative,
"UnboxedPlainObject::convertToNative");
-static const VMFunction ConvertUnboxedArrayObjectToNativeInfo =
- FunctionInfo<ConvertUnboxedObjectToNativeFn>(UnboxedArrayObject::convertToNative,
- "UnboxedArrayObject::convertToNative");
typedef bool (*ArrayPopShiftFn)(JSContext*, HandleObject, MutableHandleValue);
static const VMFunction ArrayPopDenseInfo =
@@ -8554,20 +8412,11 @@ CodeGenerator::emitArrayPopShift(LInstruction* lir, const MArrayPopShift* mir, R
// Load elements and length, and VM call if length != initializedLength.
RegisterOrInt32Constant key = RegisterOrInt32Constant(lengthTemp);
- if (mir->unboxedType() == JSVAL_TYPE_MAGIC) {
- masm.loadPtr(Address(obj, NativeObject::offsetOfElements()), elementsTemp);
- masm.load32(Address(elementsTemp, ObjectElements::offsetOfLength()), lengthTemp);
+ masm.loadPtr(Address(obj, NativeObject::offsetOfElements()), elementsTemp);
+ masm.load32(Address(elementsTemp, ObjectElements::offsetOfLength()), lengthTemp);
- Address initLength(elementsTemp, ObjectElements::offsetOfInitializedLength());
- masm.branch32(Assembler::NotEqual, initLength, key, ool->entry());
- } else {
- masm.loadPtr(Address(obj, UnboxedArrayObject::offsetOfElements()), elementsTemp);
- masm.load32(Address(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength()), lengthTemp);
- masm.and32(Imm32(UnboxedArrayObject::InitializedLengthMask), lengthTemp);
-
- Address lengthAddr(obj, UnboxedArrayObject::offsetOfLength());
- masm.branch32(Assembler::NotEqual, lengthAddr, key, ool->entry());
- }
+ Address initLength(elementsTemp, ObjectElements::offsetOfInitializedLength());
+ masm.branch32(Assembler::NotEqual, initLength, key, ool->entry());
// Test for length != 0. On zero length either take a VM call or generate
// an undefined value, depending on whether the call is known to produce
@@ -8579,13 +8428,10 @@ CodeGenerator::emitArrayPopShift(LInstruction* lir, const MArrayPopShift* mir, R
// According to the spec we need to set the length 0 (which is already 0).
// This is observable when the array length is made non-writable.
- // Handle this case in the OOL. When freezing an unboxed array it is converted
- // to an normal array.
- if (mir->unboxedType() == JSVAL_TYPE_MAGIC) {
- Address elementFlags(elementsTemp, ObjectElements::offsetOfFlags());
- Imm32 bit(ObjectElements::NONWRITABLE_ARRAY_LENGTH);
- masm.branchTest32(Assembler::NonZero, elementFlags, bit, ool->entry());
- }
+ // Handle this case in the OOL.
+ Address elementFlags(elementsTemp, ObjectElements::offsetOfFlags());
+ Imm32 bit(ObjectElements::NONWRITABLE_ARRAY_LENGTH);
+ masm.branchTest32(Assembler::NonZero, elementFlags, bit, ool->entry());
masm.moveValue(UndefinedValue(), out.valueReg());
masm.jump(&done);
@@ -8597,41 +8443,25 @@ CodeGenerator::emitArrayPopShift(LInstruction* lir, const MArrayPopShift* mir, R
masm.dec32(&key);
if (mir->mode() == MArrayPopShift::Pop) {
- if (mir->unboxedType() == JSVAL_TYPE_MAGIC) {
- BaseIndex addr(elementsTemp, lengthTemp, TimesEight);
- masm.loadElementTypedOrValue(addr, out, mir->needsHoleCheck(), ool->entry());
- } else {
- size_t elemSize = UnboxedTypeSize(mir->unboxedType());
- BaseIndex addr(elementsTemp, lengthTemp, ScaleFromElemWidth(elemSize));
- masm.loadUnboxedProperty(addr, mir->unboxedType(), out);
- }
+ BaseIndex addr(elementsTemp, lengthTemp, TimesEight);
+ masm.loadElementTypedOrValue(addr, out, mir->needsHoleCheck(), ool->entry());
} else {
MOZ_ASSERT(mir->mode() == MArrayPopShift::Shift);
Address addr(elementsTemp, 0);
- if (mir->unboxedType() == JSVAL_TYPE_MAGIC)
- masm.loadElementTypedOrValue(addr, out, mir->needsHoleCheck(), ool->entry());
- else
- masm.loadUnboxedProperty(addr, mir->unboxedType(), out);
+ masm.loadElementTypedOrValue(addr, out, mir->needsHoleCheck(), ool->entry());
}
- if (mir->unboxedType() == JSVAL_TYPE_MAGIC) {
- // Handle the failure case when the array length is non-writable in the
- // OOL path. (Unlike in the adding-an-element cases, we can't rely on the
- // capacity <= length invariant for such arrays to avoid an explicit
- // check.)
- Address elementFlags(elementsTemp, ObjectElements::offsetOfFlags());
- Imm32 bit(ObjectElements::NONWRITABLE_ARRAY_LENGTH);
- masm.branchTest32(Assembler::NonZero, elementFlags, bit, ool->entry());
+ // Handle the failure case when the array length is non-writable in the
+ // OOL path. (Unlike in the adding-an-element cases, we can't rely on the
+ // capacity <= length invariant for such arrays to avoid an explicit
+ // check.)
+ Address elementFlags(elementsTemp, ObjectElements::offsetOfFlags());
+ Imm32 bit(ObjectElements::NONWRITABLE_ARRAY_LENGTH);
+ masm.branchTest32(Assembler::NonZero, elementFlags, bit, ool->entry());
- // Now adjust length and initializedLength.
- masm.store32(lengthTemp, Address(elementsTemp, ObjectElements::offsetOfLength()));
- masm.store32(lengthTemp, Address(elementsTemp, ObjectElements::offsetOfInitializedLength()));
- } else {
- // Unboxed arrays always have writable lengths. Adjust length and
- // initializedLength.
- masm.store32(lengthTemp, Address(obj, UnboxedArrayObject::offsetOfLength()));
- masm.add32(Imm32(-1), Address(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength()));
- }
+ // Now adjust length and initializedLength.
+ masm.store32(lengthTemp, Address(elementsTemp, ObjectElements::offsetOfLength()));
+ masm.store32(lengthTemp, Address(elementsTemp, ObjectElements::offsetOfInitializedLength()));
if (mir->mode() == MArrayPopShift::Shift) {
// Don't save the temp registers.
@@ -8681,50 +8511,27 @@ CodeGenerator::emitArrayPush(LInstruction* lir, const MArrayPush* mir, Register
OutOfLineCode* ool = oolCallVM(ArrayPushDenseInfo, lir, ArgList(obj, value), StoreRegisterTo(length));
RegisterOrInt32Constant key = RegisterOrInt32Constant(length);
- if (mir->unboxedType() == JSVAL_TYPE_MAGIC) {
- // Load elements and length.
- masm.loadPtr(Address(obj, NativeObject::offsetOfElements()), elementsTemp);
- masm.load32(Address(elementsTemp, ObjectElements::offsetOfLength()), length);
-
- // Guard length == initializedLength.
- Address initLength(elementsTemp, ObjectElements::offsetOfInitializedLength());
- masm.branch32(Assembler::NotEqual, initLength, key, ool->entry());
- // Guard length < capacity.
- Address capacity(elementsTemp, ObjectElements::offsetOfCapacity());
- masm.branch32(Assembler::BelowOrEqual, capacity, key, ool->entry());
+ // Load elements and length.
+ masm.loadPtr(Address(obj, NativeObject::offsetOfElements()), elementsTemp);
+ masm.load32(Address(elementsTemp, ObjectElements::offsetOfLength()), length);
- // Do the store.
- masm.storeConstantOrRegister(value, BaseIndex(elementsTemp, length, TimesEight));
- } else {
- // Load initialized length.
- masm.load32(Address(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength()), length);
- masm.and32(Imm32(UnboxedArrayObject::InitializedLengthMask), length);
-
- // Guard length == initializedLength.
- Address lengthAddr(obj, UnboxedArrayObject::offsetOfLength());
- masm.branch32(Assembler::NotEqual, lengthAddr, key, ool->entry());
+ // Guard length == initializedLength.
+ Address initLength(elementsTemp, ObjectElements::offsetOfInitializedLength());
+ masm.branch32(Assembler::NotEqual, initLength, key, ool->entry());
- // Guard length < capacity.
- masm.checkUnboxedArrayCapacity(obj, key, elementsTemp, ool->entry());
+ // Guard length < capacity.
+ Address capacity(elementsTemp, ObjectElements::offsetOfCapacity());
+ masm.branch32(Assembler::BelowOrEqual, capacity, key, ool->entry());
- // Load elements and do the store.
- masm.loadPtr(Address(obj, UnboxedArrayObject::offsetOfElements()), elementsTemp);
- size_t elemSize = UnboxedTypeSize(mir->unboxedType());
- BaseIndex addr(elementsTemp, length, ScaleFromElemWidth(elemSize));
- masm.storeUnboxedProperty(addr, mir->unboxedType(), value, nullptr);
- }
+ // Do the store.
+ masm.storeConstantOrRegister(value, BaseIndex(elementsTemp, length, TimesEight));
masm.inc32(&key);
// Update length and initialized length.
- if (mir->unboxedType() == JSVAL_TYPE_MAGIC) {
- masm.store32(length, Address(elementsTemp, ObjectElements::offsetOfLength()));
- masm.store32(length, Address(elementsTemp, ObjectElements::offsetOfInitializedLength()));
- } else {
- masm.store32(length, Address(obj, UnboxedArrayObject::offsetOfLength()));
- masm.add32(Imm32(1), Address(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength()));
- }
+ masm.store32(length, Address(elementsTemp, ObjectElements::offsetOfLength()));
+ masm.store32(length, Address(elementsTemp, ObjectElements::offsetOfInitializedLength()));
masm.bind(ool->rejoin());
}
@@ -10922,7 +10729,7 @@ CodeGenerator::visitInArray(LInArray* lir)
}
masm.branch32(Assembler::BelowOrEqual, initLength, Imm32(index), failedInitLength);
- if (mir->needsHoleCheck() && mir->unboxedType() == JSVAL_TYPE_MAGIC) {
+ if (mir->needsHoleCheck()) {
NativeObject::elementsSizeMustNotOverflow();
Address address = Address(elements, index * sizeof(Value));
masm.branchTestMagic(Assembler::Equal, address, &falseBranch);
@@ -10935,7 +10742,7 @@ CodeGenerator::visitInArray(LInArray* lir)
failedInitLength = &negativeIntCheck;
masm.branch32(Assembler::BelowOrEqual, initLength, index, failedInitLength);
- if (mir->needsHoleCheck() && mir->unboxedType() == JSVAL_TYPE_MAGIC) {
+ if (mir->needsHoleCheck()) {
BaseIndex address = BaseIndex(elements, ToRegister(lir->index()), TimesEight);
masm.branchTestMagic(Assembler::Equal, address, &falseBranch);
}