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-rw-r--r--js/src/jit/AliasAnalysisShared.cpp4
-rw-r--r--js/src/jit/BaselineCacheIR.cpp16
-rw-r--r--js/src/jit/BaselineIC.cpp142
-rw-r--r--js/src/jit/BaselineIC.h56
-rw-r--r--js/src/jit/CacheIR.cpp9
-rw-r--r--js/src/jit/CacheIR.h5
-rw-r--r--js/src/jit/CodeGenerator.cpp360
-rw-r--r--js/src/jit/CodeGenerator.h4
-rw-r--r--js/src/jit/IonBuilder.cpp199
-rw-r--r--js/src/jit/IonBuilder.h12
-rw-r--r--js/src/jit/IonCaches.cpp135
-rw-r--r--js/src/jit/Lowering.cpp30
-rw-r--r--js/src/jit/Lowering.h4
-rw-r--r--js/src/jit/MCallOptimize.cpp73
-rw-r--r--js/src/jit/MIR.cpp45
-rw-r--r--js/src/jit/MIR.h182
-rw-r--r--js/src/jit/MOpcodes.h4
-rw-r--r--js/src/jit/MacroAssembler.cpp35
-rw-r--r--js/src/jit/MacroAssembler.h5
-rw-r--r--js/src/jit/ScalarReplacement.cpp5
-rw-r--r--js/src/jit/SharedIC.cpp9
-rw-r--r--js/src/jit/VMFunctions.cpp12
-rw-r--r--js/src/jit/shared/LIR-shared.h66
-rw-r--r--js/src/jit/shared/LOpcodes-shared.h4
24 files changed, 208 insertions, 1208 deletions
diff --git a/js/src/jit/AliasAnalysisShared.cpp b/js/src/jit/AliasAnalysisShared.cpp
index 3b83df74e..0f0d4a66a 100644
--- a/js/src/jit/AliasAnalysisShared.cpp
+++ b/js/src/jit/AliasAnalysisShared.cpp
@@ -93,10 +93,6 @@ GetObject(const MDefinition* ins)
case MDefinition::Op_Elements:
case MDefinition::Op_MaybeCopyElementsForWrite:
case MDefinition::Op_MaybeToDoubleElement:
- case MDefinition::Op_UnboxedArrayLength:
- case MDefinition::Op_UnboxedArrayInitializedLength:
- case MDefinition::Op_IncrementUnboxedArrayInitializedLength:
- case MDefinition::Op_SetUnboxedArrayInitializedLength:
case MDefinition::Op_TypedArrayLength:
case MDefinition::Op_SetTypedObjectOffset:
case MDefinition::Op_SetDisjointTypedElements:
diff --git a/js/src/jit/BaselineCacheIR.cpp b/js/src/jit/BaselineCacheIR.cpp
index bf96932d1..7fb586811 100644
--- a/js/src/jit/BaselineCacheIR.cpp
+++ b/js/src/jit/BaselineCacheIR.cpp
@@ -787,9 +787,6 @@ BaselineCacheIRCompiler::emitGuardClass()
case GuardClassKind::Array:
clasp = &ArrayObject::class_;
break;
- case GuardClassKind::UnboxedArray:
- clasp = &UnboxedArrayObject::class_;
- break;
case GuardClassKind::MappedArguments:
clasp = &MappedArgumentsObject::class_;
break;
@@ -1004,19 +1001,6 @@ BaselineCacheIRCompiler::emitLoadInt32ArrayLengthResult()
}
bool
-BaselineCacheIRCompiler::emitLoadUnboxedArrayLengthResult()
-{
- Register obj = allocator.useRegister(masm, reader.objOperandId());
- masm.load32(Address(obj, UnboxedArrayObject::offsetOfLength()), R0.scratchReg());
- masm.tagValue(JSVAL_TYPE_INT32, R0.scratchReg(), R0);
-
- // The int32 type was monitored when attaching the stub, so we can
- // just return.
- emitReturnFromIC();
- return true;
-}
-
-bool
BaselineCacheIRCompiler::emitLoadArgumentsObjectLengthResult()
{
Register obj = allocator.useRegister(masm, reader.objOperandId());
diff --git a/js/src/jit/BaselineIC.cpp b/js/src/jit/BaselineIC.cpp
index 863c61161..1d230e083 100644
--- a/js/src/jit/BaselineIC.cpp
+++ b/js/src/jit/BaselineIC.cpp
@@ -1366,7 +1366,7 @@ IsNativeDenseElementAccess(HandleObject obj, HandleValue key)
static bool
IsNativeOrUnboxedDenseElementAccess(HandleObject obj, HandleValue key)
{
- if (!obj->isNative() && !obj->is<UnboxedArrayObject>())
+ if (!obj->isNative())
return false;
if (key.isInt32() && key.toInt32() >= 0 && !obj->is<TypedArrayObject>())
return true;
@@ -1470,20 +1470,6 @@ TryAttachGetElemStub(JSContext* cx, JSScript* script, jsbytecode* pc, ICGetElem_
script = rootedScript;
}
- // Check for UnboxedArray[int] accesses.
- if (obj->is<UnboxedArrayObject>() && rhs.isInt32() && rhs.toInt32() >= 0) {
- JitSpew(JitSpew_BaselineIC, " Generating GetElem(UnboxedArray[Int32]) stub");
- ICGetElem_UnboxedArray::Compiler compiler(cx, stub->fallbackMonitorStub()->firstMonitorStub(),
- obj->group());
- ICStub* unboxedStub = compiler.getStub(compiler.getStubSpace(script));
- if (!unboxedStub)
- return false;
-
- stub->addNewStub(unboxedStub);
- *attached = true;
- return true;
- }
-
// Check for TypedArray[int] => Number and TypedObject[int] => Number accesses.
if ((obj->is<TypedArrayObject>() || IsPrimitiveArrayTypedObject(obj)) &&
rhs.isNumber() &&
@@ -2090,56 +2076,6 @@ ICGetElem_Dense::Compiler::generateStubCode(MacroAssembler& masm)
}
//
-// GetElem_UnboxedArray
-//
-
-bool
-ICGetElem_UnboxedArray::Compiler::generateStubCode(MacroAssembler& masm)
-{
- MOZ_ASSERT(engine_ == Engine::Baseline);
-
- Label failure;
- masm.branchTestObject(Assembler::NotEqual, R0, &failure);
- masm.branchTestInt32(Assembler::NotEqual, R1, &failure);
-
- AllocatableGeneralRegisterSet regs(availableGeneralRegs(2));
- Register scratchReg = regs.takeAny();
-
- // Unbox R0 and group guard.
- Register obj = masm.extractObject(R0, ExtractTemp0);
- masm.loadPtr(Address(ICStubReg, ICGetElem_UnboxedArray::offsetOfGroup()), scratchReg);
- masm.branchTestObjGroup(Assembler::NotEqual, obj, scratchReg, &failure);
-
- // Unbox key.
- Register key = masm.extractInt32(R1, ExtractTemp1);
-
- // Bounds check.
- masm.load32(Address(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength()),
- scratchReg);
- masm.and32(Imm32(UnboxedArrayObject::InitializedLengthMask), scratchReg);
- masm.branch32(Assembler::BelowOrEqual, scratchReg, key, &failure);
-
- // Load obj->elements.
- masm.loadPtr(Address(obj, UnboxedArrayObject::offsetOfElements()), scratchReg);
-
- // Load value.
- size_t width = UnboxedTypeSize(elementType_);
- BaseIndex addr(scratchReg, key, ScaleFromElemWidth(width));
- masm.loadUnboxedProperty(addr, elementType_, R0);
-
- // Only monitor the result if its type might change.
- if (elementType_ == JSVAL_TYPE_OBJECT)
- EmitEnterTypeMonitorIC(masm);
- else
- EmitReturnFromIC(masm);
-
- // Failure case - jump to next stub
- masm.bind(&failure);
- EmitStubGuardFailure(masm);
- return true;
-}
-
-//
// GetElem_TypedArray
//
@@ -2447,10 +2383,6 @@ CanOptimizeDenseOrUnboxedArraySetElem(JSObject* obj, uint32_t index,
if (initLength < oldInitLength || capacity < oldCapacity)
return false;
- // Unboxed arrays need to be able to emit floating point code.
- if (obj->is<UnboxedArrayObject>() && !obj->runtimeFromMainThread()->jitSupportsFloatingPoint)
- return false;
-
Shape* shape = obj->maybeShape();
// Cannot optimize if the shape changed.
@@ -2871,29 +2803,6 @@ ICSetElem_DenseOrUnboxedArray::Compiler::generateStubCode(MacroAssembler& masm)
masm.loadValue(valueAddr, tmpVal);
EmitPreBarrier(masm, element, MIRType::Value);
masm.storeValue(tmpVal, element);
- } else {
- // Set element on an unboxed array.
-
- // Bounds check.
- Address initLength(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength());
- masm.load32(initLength, scratchReg);
- masm.and32(Imm32(UnboxedArrayObject::InitializedLengthMask), scratchReg);
- masm.branch32(Assembler::BelowOrEqual, scratchReg, key, &failure);
-
- // Load obj->elements.
- masm.loadPtr(Address(obj, UnboxedArrayObject::offsetOfElements()), scratchReg);
-
- // Compute the address being written to.
- BaseIndex address(scratchReg, key, ScaleFromElemWidth(UnboxedTypeSize(unboxedType_)));
-
- EmitUnboxedPreBarrierForBaseline(masm, address, unboxedType_);
-
- Address valueAddr(masm.getStackPointer(), ICStackValueOffset + sizeof(Value));
- masm.Push(R0);
- masm.loadValue(valueAddr, R0);
- masm.storeUnboxedProperty(address, unboxedType_,
- ConstantOrRegister(TypedOrValueRegister(R0)), &failurePopR0);
- masm.Pop(R0);
}
EmitReturnFromIC(masm);
@@ -3087,40 +2996,6 @@ ICSetElemDenseOrUnboxedArrayAddCompiler::generateStubCode(MacroAssembler& masm)
BaseIndex element(scratchReg, key, TimesEight);
masm.loadValue(valueAddr, tmpVal);
masm.storeValue(tmpVal, element);
- } else {
- // Adding element to an unboxed array.
-
- // Bounds check (key == initLength)
- Address initLengthAddr(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength());
- masm.load32(initLengthAddr, scratchReg);
- masm.and32(Imm32(UnboxedArrayObject::InitializedLengthMask), scratchReg);
- masm.branch32(Assembler::NotEqual, scratchReg, key, &failure);
-
- // Capacity check.
- masm.checkUnboxedArrayCapacity(obj, RegisterOrInt32Constant(key), scratchReg, &failure);
-
- // Load obj->elements.
- masm.loadPtr(Address(obj, UnboxedArrayObject::offsetOfElements()), scratchReg);
-
- // Write the value first, since this can fail. No need for pre-barrier
- // since we're not overwriting an old value.
- masm.Push(R0);
- Address valueAddr(masm.getStackPointer(), ICStackValueOffset + sizeof(Value));
- masm.loadValue(valueAddr, R0);
- BaseIndex address(scratchReg, key, ScaleFromElemWidth(UnboxedTypeSize(unboxedType_)));
- masm.storeUnboxedProperty(address, unboxedType_,
- ConstantOrRegister(TypedOrValueRegister(R0)), &failurePopR0);
- masm.Pop(R0);
-
- // Increment initialized length.
- masm.add32(Imm32(1), initLengthAddr);
-
- // If length is now <= key, increment length.
- Address lengthAddr(obj, UnboxedArrayObject::offsetOfLength());
- Label skipIncrementLength;
- masm.branch32(Assembler::Above, lengthAddr, key, &skipIncrementLength);
- masm.add32(Imm32(1), lengthAddr);
- masm.bind(&skipIncrementLength);
}
EmitReturnFromIC(masm);
@@ -5894,7 +5769,7 @@ CopyArray(JSContext* cx, HandleObject obj, MutableHandleValue result)
if (!nobj)
return false;
EnsureArrayGroupAnalyzed(cx, nobj);
- CopyAnyBoxedOrUnboxedDenseElements(cx, nobj, obj, 0, 0, length);
+ CopyBoxedOrUnboxedDenseElements(cx, nobj, obj, 0, 0, length);
result.setObject(*nobj);
return true;
@@ -8301,19 +8176,6 @@ ICGetElem_Dense::Clone(JSContext* cx, ICStubSpace* space, ICStub* firstMonitorSt
return New<ICGetElem_Dense>(cx, space, other.jitCode(), firstMonitorStub, other.shape_);
}
-ICGetElem_UnboxedArray::ICGetElem_UnboxedArray(JitCode* stubCode, ICStub* firstMonitorStub,
- ObjectGroup *group)
- : ICMonitoredStub(GetElem_UnboxedArray, stubCode, firstMonitorStub),
- group_(group)
-{ }
-
-/* static */ ICGetElem_UnboxedArray*
-ICGetElem_UnboxedArray::Clone(JSContext* cx, ICStubSpace* space, ICStub* firstMonitorStub,
- ICGetElem_UnboxedArray& other)
-{
- return New<ICGetElem_UnboxedArray>(cx, space, other.jitCode(), firstMonitorStub, other.group_);
-}
-
ICGetElem_TypedArray::ICGetElem_TypedArray(JitCode* stubCode, Shape* shape, Scalar::Type type)
: ICStub(GetElem_TypedArray, stubCode),
shape_(shape)
diff --git a/js/src/jit/BaselineIC.h b/js/src/jit/BaselineIC.h
index a57556d99..afbea3b69 100644
--- a/js/src/jit/BaselineIC.h
+++ b/js/src/jit/BaselineIC.h
@@ -892,54 +892,6 @@ class ICGetElem_Dense : public ICMonitoredStub
};
};
-class ICGetElem_UnboxedArray : public ICMonitoredStub
-{
- friend class ICStubSpace;
-
- GCPtrObjectGroup group_;
-
- ICGetElem_UnboxedArray(JitCode* stubCode, ICStub* firstMonitorStub, ObjectGroup* group);
-
- public:
- static ICGetElem_UnboxedArray* Clone(JSContext* cx, ICStubSpace* space,
- ICStub* firstMonitorStub, ICGetElem_UnboxedArray& other);
-
- static size_t offsetOfGroup() {
- return offsetof(ICGetElem_UnboxedArray, group_);
- }
-
- GCPtrObjectGroup& group() {
- return group_;
- }
-
- class Compiler : public ICStubCompiler {
- ICStub* firstMonitorStub_;
- RootedObjectGroup group_;
- JSValueType elementType_;
-
- protected:
- MOZ_MUST_USE bool generateStubCode(MacroAssembler& masm);
-
- virtual int32_t getKey() const {
- return static_cast<int32_t>(engine_) |
- (static_cast<int32_t>(kind) << 1) |
- (static_cast<int32_t>(elementType_) << 17);
- }
-
- public:
- Compiler(JSContext* cx, ICStub* firstMonitorStub, ObjectGroup* group)
- : ICStubCompiler(cx, ICStub::GetElem_UnboxedArray, Engine::Baseline),
- firstMonitorStub_(firstMonitorStub),
- group_(cx, group),
- elementType_(group->unboxedLayoutDontCheckGeneration().elementType())
- {}
-
- ICStub* getStub(ICStubSpace* space) {
- return newStub<ICGetElem_UnboxedArray>(space, getStubCode(), firstMonitorStub_, group_);
- }
- };
-};
-
// Accesses scalar elements of a typed array or typed object.
class ICGetElem_TypedArray : public ICStub
{
@@ -1115,9 +1067,7 @@ class ICSetElem_DenseOrUnboxedArray : public ICUpdatedStub
: ICStubCompiler(cx, ICStub::SetElem_DenseOrUnboxedArray, Engine::Baseline),
shape_(cx, shape),
group_(cx, group),
- unboxedType_(shape
- ? JSVAL_TYPE_MAGIC
- : group->unboxedLayoutDontCheckGeneration().elementType())
+ unboxedType_(JSVAL_TYPE_MAGIC)
{}
ICUpdatedStub* getStub(ICStubSpace* space) {
@@ -1225,9 +1175,7 @@ class ICSetElemDenseOrUnboxedArrayAddCompiler : public ICStubCompiler {
: ICStubCompiler(cx, ICStub::SetElem_DenseOrUnboxedArrayAdd, Engine::Baseline),
obj_(cx, obj),
protoChainDepth_(protoChainDepth),
- unboxedType_(obj->is<UnboxedArrayObject>()
- ? obj->as<UnboxedArrayObject>().elementType()
- : JSVAL_TYPE_MAGIC)
+ unboxedType_(JSVAL_TYPE_MAGIC)
{}
template <size_t ProtoChainDepth>
diff --git a/js/src/jit/CacheIR.cpp b/js/src/jit/CacheIR.cpp
index f1061af70..6822a70af 100644
--- a/js/src/jit/CacheIR.cpp
+++ b/js/src/jit/CacheIR.cpp
@@ -175,7 +175,7 @@ TestMatchingReceiver(CacheIRWriter& writer, JSObject* obj, Shape* shape, ObjOper
} else {
writer.guardNoUnboxedExpando(objId);
}
- } else if (obj->is<UnboxedArrayObject>() || obj->is<TypedObject>()) {
+ } else if (obj->is<TypedObject>()) {
writer.guardGroup(objId, obj->group());
} else {
Shape* shape = obj->maybeShape();
@@ -368,13 +368,6 @@ GetPropIRGenerator::tryAttachObjectLength(CacheIRWriter& writer, HandleObject ob
return true;
}
- if (obj->is<UnboxedArrayObject>()) {
- writer.guardClass(objId, GuardClassKind::UnboxedArray);
- writer.loadUnboxedArrayLengthResult(objId);
- emitted_ = true;
- return true;
- }
-
if (obj->is<ArgumentsObject>() && !obj->as<ArgumentsObject>().hasOverriddenLength()) {
if (obj->is<MappedArgumentsObject>()) {
writer.guardClass(objId, GuardClassKind::MappedArguments);
diff --git a/js/src/jit/CacheIR.h b/js/src/jit/CacheIR.h
index 51e55f48b..4fd8575f0 100644
--- a/js/src/jit/CacheIR.h
+++ b/js/src/jit/CacheIR.h
@@ -96,7 +96,6 @@ class ObjOperandId : public OperandId
_(LoadUnboxedPropertyResult) \
_(LoadTypedObjectResult) \
_(LoadInt32ArrayLengthResult) \
- _(LoadUnboxedArrayLengthResult) \
_(LoadArgumentsObjectLengthResult) \
_(LoadUndefinedResult)
@@ -128,7 +127,6 @@ struct StubField {
enum class GuardClassKind
{
Array,
- UnboxedArray,
MappedArguments,
UnmappedArguments,
};
@@ -327,9 +325,6 @@ class MOZ_RAII CacheIRWriter
void loadInt32ArrayLengthResult(ObjOperandId obj) {
writeOpWithOperandId(CacheOp::LoadInt32ArrayLengthResult, obj);
}
- void loadUnboxedArrayLengthResult(ObjOperandId obj) {
- writeOpWithOperandId(CacheOp::LoadUnboxedArrayLengthResult, obj);
- }
void loadArgumentsObjectLengthResult(ObjOperandId obj) {
writeOpWithOperandId(CacheOp::LoadArgumentsObjectLengthResult, obj);
}
diff --git a/js/src/jit/CodeGenerator.cpp b/js/src/jit/CodeGenerator.cpp
index 6d1fb6b9b..485e881fe 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);
-
- 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);
+ Address initLength(elements, ObjectElements::offsetOfInitializedLength());
+ masm.branch32(Assembler::BelowOrEqual, initLength, key, ool->entry());
- 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()));
+ // Check array capacity.
+ masm.branch32(Assembler::BelowOrEqual, Address(elements, ObjectElements::offsetOfCapacity()),
+ key, &callStub);
- // 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);
-
- 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 initLength(elementsTemp, ObjectElements::offsetOfInitializedLength());
+ masm.branch32(Assembler::NotEqual, initLength, key, ool->entry());
- // Guard length == initializedLength.
- Address lengthAddr(obj, UnboxedArrayObject::offsetOfLength());
- masm.branch32(Assembler::NotEqual, lengthAddr, key, ool->entry());
+ // Guard length < capacity.
+ Address capacity(elementsTemp, ObjectElements::offsetOfCapacity());
+ masm.branch32(Assembler::BelowOrEqual, capacity, key, ool->entry());
- // Guard length < capacity.
- masm.checkUnboxedArrayCapacity(obj, key, elementsTemp, 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());
}
@@ -10529,22 +10336,11 @@ CodeGenerator::visitLoadElementHole(LLoadElementHole* lir)
else
masm.branch32(Assembler::BelowOrEqual, initLength, ToRegister(lir->index()), &undefined);
- if (mir->unboxedType() != JSVAL_TYPE_MAGIC) {
- size_t width = UnboxedTypeSize(mir->unboxedType());
- if (lir->index()->isConstant()) {
- Address addr(elements, ToInt32(lir->index()) * width);
- masm.loadUnboxedProperty(addr, mir->unboxedType(), out);
- } else {
- BaseIndex addr(elements, ToRegister(lir->index()), ScaleFromElemWidth(width));
- masm.loadUnboxedProperty(addr, mir->unboxedType(), out);
- }
+ if (lir->index()->isConstant()) {
+ NativeObject::elementsSizeMustNotOverflow();
+ masm.loadValue(Address(elements, ToInt32(lir->index()) * sizeof(Value)), out);
} else {
- if (lir->index()->isConstant()) {
- NativeObject::elementsSizeMustNotOverflow();
- masm.loadValue(Address(elements, ToInt32(lir->index()) * sizeof(Value)), out);
- } else {
- masm.loadValue(BaseObjectElementIndex(elements, ToRegister(lir->index())), out);
- }
+ masm.loadValue(BaseObjectElementIndex(elements, ToRegister(lir->index())), out);
}
// If a hole check is needed, and the value wasn't a hole, we're done.
@@ -10922,7 +10718,7 @@ 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 +10731,7 @@ 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);
}
diff --git a/js/src/jit/CodeGenerator.h b/js/src/jit/CodeGenerator.h
index 292f163b5..b5f170d84 100644
--- a/js/src/jit/CodeGenerator.h
+++ b/js/src/jit/CodeGenerator.h
@@ -234,10 +234,6 @@ class CodeGenerator final : public CodeGeneratorSpecific
void visitSubstr(LSubstr* lir);
void visitInitializedLength(LInitializedLength* lir);
void visitSetInitializedLength(LSetInitializedLength* lir);
- void visitUnboxedArrayLength(LUnboxedArrayLength* lir);
- void visitUnboxedArrayInitializedLength(LUnboxedArrayInitializedLength* lir);
- void visitIncrementUnboxedArrayInitializedLength(LIncrementUnboxedArrayInitializedLength* lir);
- void visitSetUnboxedArrayInitializedLength(LSetUnboxedArrayInitializedLength* lir);
void visitNotO(LNotO* ins);
void visitNotV(LNotV* ins);
void visitBoundsCheck(LBoundsCheck* lir);
diff --git a/js/src/jit/IonBuilder.cpp b/js/src/jit/IonBuilder.cpp
index af85011be..3d964d1c6 100644
--- a/js/src/jit/IonBuilder.cpp
+++ b/js/src/jit/IonBuilder.cpp
@@ -7336,12 +7336,6 @@ IonBuilder::newArrayTryTemplateObject(bool* emitted, JSObject* templateObject, u
if (!templateObject)
return true;
- if (templateObject->is<UnboxedArrayObject>()) {
- MOZ_ASSERT(templateObject->as<UnboxedArrayObject>().capacity() >= length);
- if (!templateObject->as<UnboxedArrayObject>().hasInlineElements())
- return true;
- }
-
MOZ_ASSERT(length <= NativeObject::MAX_DENSE_ELEMENTS_COUNT);
size_t arraySlots =
@@ -7597,7 +7591,6 @@ IonBuilder::jsop_initelem_array()
// intializer, and that arrays are marked as non-packed when writing holes
// to them during initialization.
bool needStub = false;
- JSValueType unboxedType = JSVAL_TYPE_MAGIC;
if (shouldAbortOnPreliminaryGroups(obj)) {
needStub = true;
} else if (!obj->resultTypeSet() ||
@@ -7608,12 +7601,6 @@ IonBuilder::jsop_initelem_array()
} else {
MOZ_ASSERT(obj->resultTypeSet()->getObjectCount() == 1);
TypeSet::ObjectKey* initializer = obj->resultTypeSet()->getObject(0);
- if (initializer->clasp() == &UnboxedArrayObject::class_) {
- if (initializer->group()->unboxedLayout().nativeGroup())
- needStub = true;
- else
- unboxedType = initializer->group()->unboxedLayout().elementType();
- }
if (value->type() == MIRType::MagicHole) {
if (!initializer->hasFlags(constraints(), OBJECT_FLAG_NON_PACKED))
needStub = true;
@@ -7633,60 +7620,46 @@ IonBuilder::jsop_initelem_array()
return resumeAfter(store);
}
- return initializeArrayElement(obj, index, value, unboxedType, /* addResumePoint = */ true);
+ return initializeArrayElement(obj, index, value, /* addResumePoint = */ true);
}
bool
IonBuilder::initializeArrayElement(MDefinition* obj, size_t index, MDefinition* value,
- JSValueType unboxedType,
bool addResumePointAndIncrementInitializedLength)
{
MConstant* id = MConstant::New(alloc(), Int32Value(index));
current->add(id);
// Get the elements vector.
- MElements* elements = MElements::New(alloc(), obj, unboxedType != JSVAL_TYPE_MAGIC);
+ MElements* elements = MElements::New(alloc(), obj);
current->add(elements);
- if (unboxedType != JSVAL_TYPE_MAGIC) {
- // Note: storeUnboxedValue takes care of any post barriers on the value.
- storeUnboxedValue(obj, elements, 0, id, unboxedType, value, /* preBarrier = */ false);
-
- if (addResumePointAndIncrementInitializedLength) {
- MInstruction* increment = MIncrementUnboxedArrayInitializedLength::New(alloc(), obj);
- current->add(increment);
-
- if (!resumeAfter(increment))
- return false;
- }
- } else {
- if (NeedsPostBarrier(value))
- current->add(MPostWriteBarrier::New(alloc(), obj, value));
+ if (NeedsPostBarrier(value))
+ current->add(MPostWriteBarrier::New(alloc(), obj, value));
- if ((obj->isNewArray() && obj->toNewArray()->convertDoubleElements()) ||
- (obj->isNullarySharedStub() &&
- obj->resultTypeSet()->convertDoubleElements(constraints()) == TemporaryTypeSet::AlwaysConvertToDoubles))
- {
- MInstruction* valueDouble = MToDouble::New(alloc(), value);
- current->add(valueDouble);
- value = valueDouble;
- }
+ if ((obj->isNewArray() && obj->toNewArray()->convertDoubleElements()) ||
+ (obj->isNullarySharedStub() &&
+ obj->resultTypeSet()->convertDoubleElements(constraints()) == TemporaryTypeSet::AlwaysConvertToDoubles))
+ {
+ MInstruction* valueDouble = MToDouble::New(alloc(), value);
+ current->add(valueDouble);
+ value = valueDouble;
+ }
- // Store the value.
- MStoreElement* store = MStoreElement::New(alloc(), elements, id, value,
+ // Store the value.
+ MStoreElement* store = MStoreElement::New(alloc(), elements, id, value,
/* needsHoleCheck = */ false);
- current->add(store);
+ current->add(store);
- if (addResumePointAndIncrementInitializedLength) {
- // Update the initialized length. (The template object for this
- // array has the array's ultimate length, so the length field is
- // already correct: no updating needed.)
- MSetInitializedLength* initLength = MSetInitializedLength::New(alloc(), elements, id);
- current->add(initLength);
+ if (addResumePointAndIncrementInitializedLength) {
+ // Update the initialized length. (The template object for this
+ // array has the array's ultimate length, so the length field is
+ // already correct: no updating needed.)
+ MSetInitializedLength* initLength = MSetInitializedLength::New(alloc(), elements, id);
+ current->add(initLength);
- if (!resumeAfter(initLength))
- return false;
- }
+ if (!resumeAfter(initLength))
+ return false;
}
return true;
@@ -8175,8 +8148,7 @@ IonBuilder::maybeMarkEmpty(MDefinition* ins)
static bool
ClassHasEffectlessLookup(const Class* clasp)
{
- return (clasp == &UnboxedArrayObject::class_) ||
- IsTypedObjectClass(clasp) ||
+ return IsTypedObjectClass(clasp) ||
(clasp->isNative() && !clasp->getOpsLookupProperty());
}
@@ -9452,12 +9424,9 @@ IonBuilder::getElemTryDense(bool* emitted, MDefinition* obj, MDefinition* index)
{
MOZ_ASSERT(*emitted == false);
- JSValueType unboxedType = UnboxedArrayElementType(constraints(), obj, index);
- if (unboxedType == JSVAL_TYPE_MAGIC) {
- if (!ElementAccessIsDenseNative(constraints(), obj, index)) {
- trackOptimizationOutcome(TrackedOutcome::AccessNotDense);
- return true;
- }
+ if (!ElementAccessIsDenseNative(constraints(), obj, index)) {
+ trackOptimizationOutcome(TrackedOutcome::AccessNotDense);
+ return true;
}
// Don't generate a fast path if there have been bounds check failures
@@ -9474,7 +9443,7 @@ IonBuilder::getElemTryDense(bool* emitted, MDefinition* obj, MDefinition* index)
return true;
}
- if (!jsop_getelem_dense(obj, index, unboxedType))
+ if (!jsop_getelem_dense(obj, index))
return false;
trackOptimizationSuccess();
@@ -9826,7 +9795,7 @@ IonBuilder::computeHeapType(const TemporaryTypeSet* objTypes, const jsid id)
}
bool
-IonBuilder::jsop_getelem_dense(MDefinition* obj, MDefinition* index, JSValueType unboxedType)
+IonBuilder::jsop_getelem_dense(MDefinition* obj, MDefinition* index)
{
TemporaryTypeSet* types = bytecodeTypes(pc);
@@ -9850,7 +9819,7 @@ IonBuilder::jsop_getelem_dense(MDefinition* obj, MDefinition* index, JSValueType
!ElementAccessHasExtraIndexedProperty(this, obj);
MIRType knownType = MIRType::Value;
- if (unboxedType == JSVAL_TYPE_MAGIC && barrier == BarrierKind::NoBarrier)
+ if (barrier == BarrierKind::NoBarrier)
knownType = GetElemKnownType(needsHoleCheck, types);
// Ensure index is an integer.
@@ -9859,13 +9828,13 @@ IonBuilder::jsop_getelem_dense(MDefinition* obj, MDefinition* index, JSValueType
index = idInt32;
// Get the elements vector.
- MInstruction* elements = MElements::New(alloc(), obj, unboxedType != JSVAL_TYPE_MAGIC);
+ MInstruction* elements = MElements::New(alloc(), obj);
current->add(elements);
// Note: to help GVN, use the original MElements instruction and not
// MConvertElementsToDoubles as operand. This is fine because converting
// elements to double does not change the initialized length.
- MInstruction* initLength = initializedLength(obj, elements, unboxedType);
+ MInstruction* initLength = initializedLength(obj, elements);
// If we can load the element as a definite double, make sure to check that
// the array has been converted to homogenous doubles first.
@@ -9881,7 +9850,6 @@ IonBuilder::jsop_getelem_dense(MDefinition* obj, MDefinition* index, JSValueType
}
bool loadDouble =
- unboxedType == JSVAL_TYPE_MAGIC &&
barrier == BarrierKind::NoBarrier &&
loopDepth_ &&
inBounds &&
@@ -9900,18 +9868,13 @@ IonBuilder::jsop_getelem_dense(MDefinition* obj, MDefinition* index, JSValueType
// hoisting.
index = addBoundsCheck(index, initLength);
- if (unboxedType != JSVAL_TYPE_MAGIC) {
- load = loadUnboxedValue(elements, 0, index, unboxedType, barrier, types);
- } else {
- load = MLoadElement::New(alloc(), elements, index, needsHoleCheck, loadDouble);
- current->add(load);
- }
+ load = MLoadElement::New(alloc(), elements, index, needsHoleCheck, loadDouble);
+ current->add(load);
} else {
// This load may return undefined, so assume that we *can* read holes,
// or that we can read out-of-bounds accesses. In this case, the bounds
// check is part of the opcode.
- load = MLoadElementHole::New(alloc(), elements, index, initLength,
- unboxedType, needsHoleCheck);
+ load = MLoadElementHole::New(alloc(), elements, index, initLength, needsHoleCheck);
current->add(load);
// If maybeUndefined was true, the typeset must have undefined, and
@@ -9921,8 +9884,7 @@ IonBuilder::jsop_getelem_dense(MDefinition* obj, MDefinition* index, JSValueType
}
if (knownType != MIRType::Value) {
- if (unboxedType == JSVAL_TYPE_MAGIC)
- load->setResultType(knownType);
+ load->setResultType(knownType);
load->setResultTypeSet(types);
}
@@ -10369,12 +10331,9 @@ IonBuilder::setElemTryDense(bool* emitted, MDefinition* object,
{
MOZ_ASSERT(*emitted == false);
- JSValueType unboxedType = UnboxedArrayElementType(constraints(), object, index);
- if (unboxedType == JSVAL_TYPE_MAGIC) {
- if (!ElementAccessIsDenseNative(constraints(), object, index)) {
- trackOptimizationOutcome(TrackedOutcome::AccessNotDense);
- return true;
- }
+ if (!ElementAccessIsDenseNative(constraints(), object, index)) {
+ trackOptimizationOutcome(TrackedOutcome::AccessNotDense);
+ return true;
}
if (PropertyWriteNeedsTypeBarrier(alloc(), constraints(), current,
@@ -10408,7 +10367,7 @@ IonBuilder::setElemTryDense(bool* emitted, MDefinition* object,
}
// Emit dense setelem variant.
- if (!jsop_setelem_dense(conversion, object, index, value, unboxedType, writeHole, emitted))
+ if (!jsop_setelem_dense(conversion, object, index, value, writeHole, emitted))
return false;
if (!*emitted) {
@@ -10498,13 +10457,11 @@ IonBuilder::setElemTryCache(bool* emitted, MDefinition* object,
bool
IonBuilder::jsop_setelem_dense(TemporaryTypeSet::DoubleConversion conversion,
MDefinition* obj, MDefinition* id, MDefinition* value,
- JSValueType unboxedType, bool writeHole, bool* emitted)
+ bool writeHole, bool* emitted)
{
MOZ_ASSERT(*emitted == false);
- MIRType elementType = MIRType::None;
- if (unboxedType == JSVAL_TYPE_MAGIC)
- elementType = DenseNativeElementType(constraints(), obj);
+ MIRType elementType = DenseNativeElementType(constraints(), obj);
bool packed = ElementAccessIsPacked(constraints(), obj);
// Writes which are on holes in the object do not have to bail out if they
@@ -10534,7 +10491,7 @@ IonBuilder::jsop_setelem_dense(TemporaryTypeSet::DoubleConversion conversion,
obj = addMaybeCopyElementsForWrite(obj, /* checkNative = */ false);
// Get the elements vector.
- MElements* elements = MElements::New(alloc(), obj, unboxedType != JSVAL_TYPE_MAGIC);
+ MElements* elements = MElements::New(alloc(), obj);
current->add(elements);
// Ensure the value is a double, if double conversion might be needed.
@@ -10571,7 +10528,7 @@ IonBuilder::jsop_setelem_dense(TemporaryTypeSet::DoubleConversion conversion,
MInstruction* store;
MStoreElementCommon* common = nullptr;
if (writeHole && hasNoExtraIndexedProperty && !mayBeFrozen) {
- MStoreElementHole* ins = MStoreElementHole::New(alloc(), obj, elements, id, newValue, unboxedType);
+ MStoreElementHole* ins = MStoreElementHole::New(alloc(), obj, elements, id, newValue);
store = ins;
common = ins;
@@ -10583,27 +10540,23 @@ IonBuilder::jsop_setelem_dense(TemporaryTypeSet::DoubleConversion conversion,
bool strict = IsStrictSetPC(pc);
MFallibleStoreElement* ins = MFallibleStoreElement::New(alloc(), obj, elements, id,
- newValue, unboxedType, strict);
+ newValue, strict);
store = ins;
common = ins;
current->add(ins);
current->push(value);
} else {
- MInstruction* initLength = initializedLength(obj, elements, unboxedType);
+ MInstruction* initLength = initializedLength(obj, elements);
id = addBoundsCheck(id, initLength);
bool needsHoleCheck = !packed && !hasNoExtraIndexedProperty;
- if (unboxedType != JSVAL_TYPE_MAGIC) {
- store = storeUnboxedValue(obj, elements, 0, id, unboxedType, newValue);
- } else {
- MStoreElement* ins = MStoreElement::New(alloc(), elements, id, newValue, needsHoleCheck);
- store = ins;
- common = ins;
+ MStoreElement* ins = MStoreElement::New(alloc(), elements, id, newValue, needsHoleCheck);
+ store = ins;
+ common = ins;
- current->add(store);
- }
+ current->add(store);
current->push(value);
}
@@ -10721,18 +10674,6 @@ IonBuilder::jsop_length_fastPath()
return true;
}
- // Compute the length for unboxed array objects.
- if (UnboxedArrayElementType(constraints(), obj, nullptr) != JSVAL_TYPE_MAGIC &&
- !objTypes->hasObjectFlags(constraints(), OBJECT_FLAG_LENGTH_OVERFLOW))
- {
- current->pop();
-
- MUnboxedArrayLength* length = MUnboxedArrayLength::New(alloc(), obj);
- current->add(length);
- current->push(length);
- return true;
- }
-
// Compute the length for array typed objects.
TypedObjectPrediction prediction = typedObjectPrediction(obj);
if (!prediction.isUseless()) {
@@ -13687,11 +13628,8 @@ IonBuilder::inTryDense(bool* emitted, MDefinition* obj, MDefinition* id)
if (shouldAbortOnPreliminaryGroups(obj))
return true;
- JSValueType unboxedType = UnboxedArrayElementType(constraints(), obj, id);
- if (unboxedType == JSVAL_TYPE_MAGIC) {
- if (!ElementAccessIsDenseNative(constraints(), obj, id))
- return true;
- }
+ if (!ElementAccessIsDenseNative(constraints(), obj, id))
+ return true;
if (ElementAccessHasExtraIndexedProperty(this, obj))
return true;
@@ -13706,10 +13644,10 @@ IonBuilder::inTryDense(bool* emitted, MDefinition* obj, MDefinition* id)
id = idInt32;
// Get the elements vector.
- MElements* elements = MElements::New(alloc(), obj, unboxedType != JSVAL_TYPE_MAGIC);
+ MElements* elements = MElements::New(alloc(), obj);
current->add(elements);
- MInstruction* initLength = initializedLength(obj, elements, unboxedType);
+ MInstruction* initLength = initializedLength(obj, elements);
// If there are no holes, speculate the InArray check will not fail.
if (!needsHoleCheck && !failedBoundsCheck_) {
@@ -13719,8 +13657,7 @@ IonBuilder::inTryDense(bool* emitted, MDefinition* obj, MDefinition* id)
}
// Check if id < initLength and elem[id] not a hole.
- MInArray* ins = MInArray::New(alloc(), elements, id, initLength, obj, needsHoleCheck,
- unboxedType);
+ MInArray* ins = MInArray::New(alloc(), elements, id, initLength, obj, needsHoleCheck);
current->add(ins);
current->push(ins);
@@ -14398,32 +14335,24 @@ IonBuilder::constantInt(int32_t i)
}
MInstruction*
-IonBuilder::initializedLength(MDefinition* obj, MDefinition* elements, JSValueType unboxedType)
+IonBuilder::initializedLength(MDefinition* obj, MDefinition* elements)
{
- MInstruction* res;
- if (unboxedType != JSVAL_TYPE_MAGIC)
- res = MUnboxedArrayInitializedLength::New(alloc(), obj);
- else
- res = MInitializedLength::New(alloc(), elements);
+ MInstruction* res = MInitializedLength::New(alloc(), elements);
current->add(res);
return res;
}
MInstruction*
-IonBuilder::setInitializedLength(MDefinition* obj, JSValueType unboxedType, size_t count)
+IonBuilder::setInitializedLength(MDefinition* obj, size_t count)
{
MOZ_ASSERT(count);
- MInstruction* res;
- if (unboxedType != JSVAL_TYPE_MAGIC) {
- res = MSetUnboxedArrayInitializedLength::New(alloc(), obj, constant(Int32Value(count)));
- } else {
- // MSetInitializedLength takes the index of the last element, rather
- // than the count itself.
- MInstruction* elements = MElements::New(alloc(), obj, /* unboxed = */ false);
- current->add(elements);
- res = MSetInitializedLength::New(alloc(), elements, constant(Int32Value(count - 1)));
- }
+ // MSetInitializedLength takes the index of the last element, rather
+ // than the count itself.
+ MInstruction* elements = MElements::New(alloc(), obj, /* unboxed = */ false);
+ current->add(elements);
+ MInstruction* res =
+ MSetInitializedLength::New(alloc(), elements, constant(Int32Value(count - 1)));
current->add(res);
return res;
}
diff --git a/js/src/jit/IonBuilder.h b/js/src/jit/IonBuilder.h
index 77528ad37..1b97c4743 100644
--- a/js/src/jit/IonBuilder.h
+++ b/js/src/jit/IonBuilder.h
@@ -346,9 +346,8 @@ class IonBuilder
MConstant* constant(const Value& v);
MConstant* constantInt(int32_t i);
- MInstruction* initializedLength(MDefinition* obj, MDefinition* elements,
- JSValueType unboxedType);
- MInstruction* setInitializedLength(MDefinition* obj, JSValueType unboxedType, size_t count);
+ MInstruction* initializedLength(MDefinition* obj, MDefinition* elements);
+ MInstruction* setInitializedLength(MDefinition* obj, size_t count);
// Improve the type information at tests
MOZ_MUST_USE bool improveTypesAtTest(MDefinition* ins, bool trueBranch, MTest* test);
@@ -611,7 +610,6 @@ class IonBuilder
TypedObjectPrediction elemTypeReprs,
uint32_t elemSize);
MOZ_MUST_USE bool initializeArrayElement(MDefinition* obj, size_t index, MDefinition* value,
- JSValueType unboxedType,
bool addResumePointAndIncrementInitializedLength);
// jsop_getelem() helpers.
@@ -723,15 +721,13 @@ class IonBuilder
MOZ_MUST_USE bool jsop_bindname(PropertyName* name);
MOZ_MUST_USE bool jsop_bindvar();
MOZ_MUST_USE bool jsop_getelem();
- MOZ_MUST_USE bool jsop_getelem_dense(MDefinition* obj, MDefinition* index,
- JSValueType unboxedType);
+ MOZ_MUST_USE bool jsop_getelem_dense(MDefinition* obj, MDefinition* index);
MOZ_MUST_USE bool jsop_getelem_typed(MDefinition* obj, MDefinition* index,
ScalarTypeDescr::Type arrayType);
MOZ_MUST_USE bool jsop_setelem();
MOZ_MUST_USE bool jsop_setelem_dense(TemporaryTypeSet::DoubleConversion conversion,
MDefinition* object, MDefinition* index,
- MDefinition* value, JSValueType unboxedType,
- bool writeHole, bool* emitted);
+ MDefinition* value, bool writeHole, bool* emitted);
MOZ_MUST_USE bool jsop_setelem_typed(ScalarTypeDescr::Type arrayType,
MDefinition* object, MDefinition* index,
MDefinition* value);
diff --git a/js/src/jit/IonCaches.cpp b/js/src/jit/IonCaches.cpp
index 0208db6ae..81cf9d9bb 100644
--- a/js/src/jit/IonCaches.cpp
+++ b/js/src/jit/IonCaches.cpp
@@ -639,9 +639,6 @@ TestMatchingReceiver(MacroAssembler& masm, IonCache::StubAttacher& attacher,
} else {
masm.branchPtr(Assembler::NotEqual, expandoAddress, ImmWord(0), failure);
}
- } else if (obj->is<UnboxedArrayObject>()) {
- MOZ_ASSERT(failure);
- masm.branchTestObjGroup(Assembler::NotEqual, object, obj->group(), failure);
} else if (obj->is<TypedObject>()) {
attacher.branchNextStubOrLabel(masm, Assembler::NotEqual,
Address(object, JSObject::offsetOfGroup()),
@@ -1188,39 +1185,6 @@ GenerateArrayLength(JSContext* cx, MacroAssembler& masm, IonCache::StubAttacher&
return true;
}
-static void
-GenerateUnboxedArrayLength(JSContext* cx, MacroAssembler& masm, IonCache::StubAttacher& attacher,
- JSObject* array, Register object, TypedOrValueRegister output,
- Label* failures)
-{
- Register outReg;
- if (output.hasValue()) {
- outReg = output.valueReg().scratchReg();
- } else {
- MOZ_ASSERT(output.type() == MIRType::Int32);
- outReg = output.typedReg().gpr();
- }
- MOZ_ASSERT(object != outReg);
-
- TestMatchingReceiver(masm, attacher, object, array, failures);
-
- // Load length.
- masm.load32(Address(object, UnboxedArrayObject::offsetOfLength()), outReg);
-
- // Check for a length that fits in an int32.
- masm.branchTest32(Assembler::Signed, outReg, outReg, failures);
-
- if (output.hasValue())
- masm.tagValue(JSVAL_TYPE_INT32, outReg, output.valueReg());
-
- // Success.
- attacher.jumpRejoin(masm);
-
- // Failure.
- masm.bind(failures);
- attacher.jumpNextStub(masm);
-}
-
// In this case, the code for TypedArray and SharedTypedArray is not the same,
// because the code embeds pointers to the respective class arrays. Code that
// caches the stub code must distinguish between the two cases.
@@ -1595,40 +1559,6 @@ GetPropertyIC::tryAttachUnboxedExpando(JSContext* cx, HandleScript outerScript,
}
bool
-GetPropertyIC::tryAttachUnboxedArrayLength(JSContext* cx, HandleScript outerScript, IonScript* ion,
- HandleObject obj, HandleId id, void* returnAddr,
- bool* emitted)
-{
- MOZ_ASSERT(canAttachStub());
- MOZ_ASSERT(!*emitted);
- MOZ_ASSERT(outerScript->ionScript() == ion);
-
- if (!obj->is<UnboxedArrayObject>())
- return true;
-
- if (!JSID_IS_ATOM(id, cx->names().length))
- return true;
-
- if (obj->as<UnboxedArrayObject>().length() > INT32_MAX)
- return true;
-
- if (!allowArrayLength(cx))
- return true;
-
- *emitted = true;
-
- MacroAssembler masm(cx, ion, outerScript, profilerLeavePc_);
-
- Label failures;
- emitIdGuard(masm, id, &failures);
-
- StubAttacher attacher(*this);
- GenerateUnboxedArrayLength(cx, masm, attacher, obj, object(), output(), &failures);
- return linkAndAttachStub(cx, masm, attacher, ion, "unboxed array length",
- JS::TrackedOutcome::ICGetPropStub_UnboxedArrayLength);
-}
-
-bool
GetPropertyIC::tryAttachTypedArrayLength(JSContext* cx, HandleScript outerScript, IonScript* ion,
HandleObject obj, HandleId id, bool* emitted)
{
@@ -2203,9 +2133,6 @@ GetPropertyIC::tryAttachStub(JSContext* cx, HandleScript outerScript, IonScript*
if (!*emitted && !tryAttachUnboxedExpando(cx, outerScript, ion, obj, id, returnAddr, emitted))
return false;
- if (!*emitted && !tryAttachUnboxedArrayLength(cx, outerScript, ion, obj, id, returnAddr, emitted))
- return false;
-
if (!*emitted && !tryAttachTypedArrayLength(cx, outerScript, ion, obj, id, emitted))
return false;
}
@@ -4026,7 +3953,7 @@ GetPropertyIC::tryAttachDenseElementHole(JSContext* cx, HandleScript outerScript
GetPropertyIC::canAttachTypedOrUnboxedArrayElement(JSObject* obj, const Value& idval,
TypedOrValueRegister output)
{
- if (!obj->is<TypedArrayObject>() && !obj->is<UnboxedArrayObject>())
+ if (!obj->is<TypedArrayObject>())
return false;
MOZ_ASSERT(idval.isInt32() || idval.isString());
@@ -4057,13 +3984,6 @@ GetPropertyIC::canAttachTypedOrUnboxedArrayElement(JSObject* obj, const Value& i
return output.hasValue() || !output.typedReg().isFloat();
}
- if (index >= obj->as<UnboxedArrayObject>().initializedLength())
- return false;
-
- JSValueType elementType = obj->as<UnboxedArrayObject>().elementType();
- if (elementType == JSVAL_TYPE_DOUBLE)
- return output.hasValue();
-
return output.hasValue() || !output.typedReg().isFloat();
}
@@ -4140,46 +4060,27 @@ GenerateGetTypedOrUnboxedArrayElement(JSContext* cx, MacroAssembler& masm,
Label popObjectAndFail;
- if (array->is<TypedArrayObject>()) {
- // Guard on the initialized length.
- Address length(object, TypedArrayObject::lengthOffset());
- masm.branch32(Assembler::BelowOrEqual, length, indexReg, &failures);
+ // Guard on the initialized length.
+ Address length(object, TypedArrayObject::lengthOffset());
+ masm.branch32(Assembler::BelowOrEqual, length, indexReg, &failures);
- // Save the object register on the stack in case of failure.
- Register elementReg = object;
- masm.push(object);
+ // Save the object register on the stack in case of failure.
+ Register elementReg = object;
+ masm.push(object);
- // Load elements vector.
- masm.loadPtr(Address(object, TypedArrayObject::dataOffset()), elementReg);
+ // Load elements vector.
+ masm.loadPtr(Address(object, TypedArrayObject::dataOffset()), elementReg);
- // Load the value. We use an invalid register because the destination
- // register is necessary a non double register.
- Scalar::Type arrayType = array->as<TypedArrayObject>().type();
- int width = Scalar::byteSize(arrayType);
- BaseIndex source(elementReg, indexReg, ScaleFromElemWidth(width));
- if (output.hasValue()) {
- masm.loadFromTypedArray(arrayType, source, output.valueReg(), allowDoubleResult,
- elementReg, &popObjectAndFail);
- } else {
- masm.loadFromTypedArray(arrayType, source, output.typedReg(), elementReg, &popObjectAndFail);
- }
+ // Load the value. We use an invalid register because the destination
+ // register is necessary a non double register.
+ Scalar::Type arrayType = array->as<TypedArrayObject>().type();
+ int width = Scalar::byteSize(arrayType);
+ BaseIndex source(elementReg, indexReg, ScaleFromElemWidth(width));
+ if (output.hasValue()) {
+ masm.loadFromTypedArray(arrayType, source, output.valueReg(), allowDoubleResult,
+ elementReg, &popObjectAndFail);
} else {
- // Save the object register on the stack in case of failure.
- masm.push(object);
-
- // Guard on the initialized length.
- masm.load32(Address(object, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength()), object);
- masm.and32(Imm32(UnboxedArrayObject::InitializedLengthMask), object);
- masm.branch32(Assembler::BelowOrEqual, object, indexReg, &popObjectAndFail);
-
- // Load elements vector.
- Register elementReg = object;
- masm.loadPtr(Address(masm.getStackPointer(), 0), object);
- masm.loadPtr(Address(object, UnboxedArrayObject::offsetOfElements()), elementReg);
-
- JSValueType elementType = array->as<UnboxedArrayObject>().elementType();
- BaseIndex source(elementReg, indexReg, ScaleFromElemWidth(UnboxedTypeSize(elementType)));
- masm.loadUnboxedProperty(source, elementType, output);
+ masm.loadFromTypedArray(arrayType, source, output.typedReg(), elementReg, &popObjectAndFail);
}
masm.pop(object);
diff --git a/js/src/jit/Lowering.cpp b/js/src/jit/Lowering.cpp
index aafa57c09..e185b5746 100644
--- a/js/src/jit/Lowering.cpp
+++ b/js/src/jit/Lowering.cpp
@@ -2889,32 +2889,6 @@ LIRGenerator::visitSetInitializedLength(MSetInitializedLength* ins)
}
void
-LIRGenerator::visitUnboxedArrayLength(MUnboxedArrayLength* ins)
-{
- define(new(alloc()) LUnboxedArrayLength(useRegisterAtStart(ins->object())), ins);
-}
-
-void
-LIRGenerator::visitUnboxedArrayInitializedLength(MUnboxedArrayInitializedLength* ins)
-{
- define(new(alloc()) LUnboxedArrayInitializedLength(useRegisterAtStart(ins->object())), ins);
-}
-
-void
-LIRGenerator::visitIncrementUnboxedArrayInitializedLength(MIncrementUnboxedArrayInitializedLength* ins)
-{
- add(new(alloc()) LIncrementUnboxedArrayInitializedLength(useRegister(ins->object())), ins);
-}
-
-void
-LIRGenerator::visitSetUnboxedArrayInitializedLength(MSetUnboxedArrayInitializedLength* ins)
-{
- add(new(alloc()) LSetUnboxedArrayInitializedLength(useRegister(ins->object()),
- useRegisterOrConstant(ins->length()),
- temp()), ins);
-}
-
-void
LIRGenerator::visitNot(MNot* ins)
{
MDefinition* op = ins->input();
@@ -3165,8 +3139,6 @@ LIRGenerator::visitStoreElementHole(MStoreElementHole* ins)
// Use a temp register when adding new elements to unboxed arrays.
LDefinition tempDef = LDefinition::BogusTemp();
- if (ins->unboxedType() != JSVAL_TYPE_MAGIC)
- tempDef = temp();
LInstruction* lir;
switch (ins->value()->type()) {
@@ -3199,8 +3171,6 @@ LIRGenerator::visitFallibleStoreElement(MFallibleStoreElement* ins)
// Use a temp register when adding new elements to unboxed arrays.
LDefinition tempDef = LDefinition::BogusTemp();
- if (ins->unboxedType() != JSVAL_TYPE_MAGIC)
- tempDef = temp();
LInstruction* lir;
switch (ins->value()->type()) {
diff --git a/js/src/jit/Lowering.h b/js/src/jit/Lowering.h
index e36620bce..b096bb143 100644
--- a/js/src/jit/Lowering.h
+++ b/js/src/jit/Lowering.h
@@ -216,10 +216,6 @@ class LIRGenerator : public LIRGeneratorSpecific
void visitTypedObjectDescr(MTypedObjectDescr* ins);
void visitInitializedLength(MInitializedLength* ins);
void visitSetInitializedLength(MSetInitializedLength* ins);
- void visitUnboxedArrayLength(MUnboxedArrayLength* ins);
- void visitUnboxedArrayInitializedLength(MUnboxedArrayInitializedLength* ins);
- void visitIncrementUnboxedArrayInitializedLength(MIncrementUnboxedArrayInitializedLength* ins);
- void visitSetUnboxedArrayInitializedLength(MSetUnboxedArrayInitializedLength* ins);
void visitNot(MNot* ins);
void visitBoundsCheck(MBoundsCheck* ins);
void visitBoundsCheckLower(MBoundsCheckLower* ins);
diff --git a/js/src/jit/MCallOptimize.cpp b/js/src/jit/MCallOptimize.cpp
index 41ccd0ca7..748a70973 100644
--- a/js/src/jit/MCallOptimize.cpp
+++ b/js/src/jit/MCallOptimize.cpp
@@ -475,11 +475,6 @@ IonBuilder::inlineArray(CallInfo& callInfo)
return InliningStatus_NotInlined;
}
- if (templateObject->is<UnboxedArrayObject>()) {
- if (templateObject->group()->unboxedLayout().nativeGroup())
- return InliningStatus_NotInlined;
- }
-
// Multiple arguments imply array initialization, not just construction.
if (callInfo.argc() >= 2) {
initLength = callInfo.argc();
@@ -542,16 +537,15 @@ IonBuilder::inlineArray(CallInfo& callInfo)
MDefinition* array = current->peek(-1);
if (callInfo.argc() >= 2) {
- JSValueType unboxedType = GetBoxedOrUnboxedType(templateObject);
for (uint32_t i = 0; i < initLength; i++) {
if (!alloc().ensureBallast())
return InliningStatus_Error;
MDefinition* value = callInfo.getArg(i);
- if (!initializeArrayElement(array, i, value, unboxedType, /* addResumePoint = */ false))
+ if (!initializeArrayElement(array, i, value, /* addResumePoint = */ false))
return InliningStatus_Error;
}
- MInstruction* setLength = setInitializedLength(array, unboxedType, initLength);
+ MInstruction* setLength = setInitializedLength(array, initLength);
if (!resumeAfter(setLength))
return InliningStatus_Error;
}
@@ -584,7 +578,7 @@ IonBuilder::inlineArrayIsArray(CallInfo& callInfo)
if (!clasp || clasp->isProxy())
return InliningStatus_NotInlined;
- isArray = (clasp == &ArrayObject::class_ || clasp == &UnboxedArrayObject::class_);
+ isArray = (clasp == &ArrayObject::class_);
}
pushConstant(BooleanValue(isArray));
@@ -620,7 +614,7 @@ IonBuilder::inlineArrayPopShift(CallInfo& callInfo, MArrayPopShift::Mode mode)
if (!thisTypes)
return InliningStatus_NotInlined;
const Class* clasp = thisTypes->getKnownClass(constraints());
- if (clasp != &ArrayObject::class_ && clasp != &UnboxedArrayObject::class_)
+ if (clasp != &ArrayObject::class_)
return InliningStatus_NotInlined;
if (thisTypes->hasObjectFlags(constraints(), unhandledFlags)) {
trackOptimizationOutcome(TrackedOutcome::ArrayBadFlags);
@@ -632,17 +626,9 @@ IonBuilder::inlineArrayPopShift(CallInfo& callInfo, MArrayPopShift::Mode mode)
return InliningStatus_NotInlined;
}
- JSValueType unboxedType = JSVAL_TYPE_MAGIC;
- if (clasp == &UnboxedArrayObject::class_) {
- unboxedType = UnboxedArrayElementType(constraints(), obj, nullptr);
- if (unboxedType == JSVAL_TYPE_MAGIC)
- return InliningStatus_NotInlined;
- }
-
callInfo.setImplicitlyUsedUnchecked();
- if (clasp == &ArrayObject::class_)
- obj = addMaybeCopyElementsForWrite(obj, /* checkNative = */ false);
+ obj = addMaybeCopyElementsForWrite(obj, /* checkNative = */ false);
TemporaryTypeSet* returnTypes = getInlineReturnTypeSet();
bool needsHoleCheck = thisTypes->hasObjectFlags(constraints(), OBJECT_FLAG_NON_PACKED);
@@ -653,8 +639,7 @@ IonBuilder::inlineArrayPopShift(CallInfo& callInfo, MArrayPopShift::Mode mode)
if (barrier != BarrierKind::NoBarrier)
returnType = MIRType::Value;
- MArrayPopShift* ins = MArrayPopShift::New(alloc(), obj, mode,
- unboxedType, needsHoleCheck, maybeUndefined);
+ MArrayPopShift* ins = MArrayPopShift::New(alloc(), obj, mode, needsHoleCheck, maybeUndefined);
current->add(ins);
current->push(ins);
ins->setResultType(returnType);
@@ -761,7 +746,7 @@ IonBuilder::inlineArrayPush(CallInfo& callInfo)
if (!thisTypes)
return InliningStatus_NotInlined;
const Class* clasp = thisTypes->getKnownClass(constraints());
- if (clasp != &ArrayObject::class_ && clasp != &UnboxedArrayObject::class_)
+ if (clasp != &ArrayObject::class_)
return InliningStatus_NotInlined;
if (thisTypes->hasObjectFlags(constraints(), OBJECT_FLAG_SPARSE_INDEXES |
OBJECT_FLAG_LENGTH_OVERFLOW))
@@ -782,13 +767,6 @@ IonBuilder::inlineArrayPush(CallInfo& callInfo)
return InliningStatus_NotInlined;
}
- JSValueType unboxedType = JSVAL_TYPE_MAGIC;
- if (clasp == &UnboxedArrayObject::class_) {
- unboxedType = UnboxedArrayElementType(constraints(), obj, nullptr);
- if (unboxedType == JSVAL_TYPE_MAGIC)
- return InliningStatus_NotInlined;
- }
-
callInfo.setImplicitlyUsedUnchecked();
if (conversion == TemporaryTypeSet::AlwaysConvertToDoubles ||
@@ -799,13 +777,12 @@ IonBuilder::inlineArrayPush(CallInfo& callInfo)
value = valueDouble;
}
- if (unboxedType == JSVAL_TYPE_MAGIC)
- obj = addMaybeCopyElementsForWrite(obj, /* checkNative = */ false);
+ obj = addMaybeCopyElementsForWrite(obj, /* checkNative = */ false);
if (NeedsPostBarrier(value))
current->add(MPostWriteBarrier::New(alloc(), obj, value));
- MArrayPush* ins = MArrayPush::New(alloc(), obj, value, unboxedType);
+ MArrayPush* ins = MArrayPush::New(alloc(), obj, value);
current->add(ins);
current->push(ins);
@@ -846,7 +823,7 @@ IonBuilder::inlineArraySlice(CallInfo& callInfo)
return InliningStatus_NotInlined;
const Class* clasp = thisTypes->getKnownClass(constraints());
- if (clasp != &ArrayObject::class_ && clasp != &UnboxedArrayObject::class_)
+ if (clasp != &ArrayObject::class_)
return InliningStatus_NotInlined;
if (thisTypes->hasObjectFlags(constraints(), OBJECT_FLAG_SPARSE_INDEXES |
OBJECT_FLAG_LENGTH_OVERFLOW))
@@ -855,13 +832,6 @@ IonBuilder::inlineArraySlice(CallInfo& callInfo)
return InliningStatus_NotInlined;
}
- JSValueType unboxedType = JSVAL_TYPE_MAGIC;
- if (clasp == &UnboxedArrayObject::class_) {
- unboxedType = UnboxedArrayElementType(constraints(), obj, nullptr);
- if (unboxedType == JSVAL_TYPE_MAGIC)
- return InliningStatus_NotInlined;
- }
-
// Watch out for indexed properties on the prototype.
if (ArrayPrototypeHasIndexedProperty(this, script())) {
trackOptimizationOutcome(TrackedOutcome::ProtoIndexedProps);
@@ -882,15 +852,8 @@ IonBuilder::inlineArraySlice(CallInfo& callInfo)
if (!templateObj)
return InliningStatus_NotInlined;
- if (unboxedType == JSVAL_TYPE_MAGIC) {
- if (!templateObj->is<ArrayObject>())
- return InliningStatus_NotInlined;
- } else {
- if (!templateObj->is<UnboxedArrayObject>())
- return InliningStatus_NotInlined;
- if (templateObj->as<UnboxedArrayObject>().elementType() != unboxedType)
- return InliningStatus_NotInlined;
- }
+ if (!templateObj->is<ArrayObject>())
+ return InliningStatus_NotInlined;
callInfo.setImplicitlyUsedUnchecked();
@@ -909,16 +872,12 @@ IonBuilder::inlineArraySlice(CallInfo& callInfo)
end = MArrayLength::New(alloc(), elements);
current->add(end->toInstruction());
- } else {
- end = MUnboxedArrayLength::New(alloc(), obj);
- current->add(end->toInstruction());
}
MArraySlice* ins = MArraySlice::New(alloc(), constraints(),
obj, begin, end,
templateObj,
- templateObj->group()->initialHeap(constraints()),
- unboxedType);
+ templateObj->group()->initialHeap(constraints()));
current->add(ins);
current->push(ins);
@@ -1500,8 +1459,6 @@ IonBuilder::inlineConstantStringSplitString(CallInfo& callInfo)
return InliningStatus_Inlined;
}
- JSValueType unboxedType = GetBoxedOrUnboxedType(templateObject);
-
// Store all values, no need to initialize the length after each as
// jsop_initelem_array is doing because we do not expect to bailout
// because the memory is supposed to be allocated by now.
@@ -1512,11 +1469,11 @@ IonBuilder::inlineConstantStringSplitString(CallInfo& callInfo)
MConstant* value = arrayValues[i];
current->add(value);
- if (!initializeArrayElement(array, i, value, unboxedType, /* addResumePoint = */ false))
+ if (!initializeArrayElement(array, i, value, /* addResumePoint = */ false))
return InliningStatus_Error;
}
- MInstruction* setLength = setInitializedLength(array, unboxedType, initLength);
+ MInstruction* setLength = setInitializedLength(array, initLength);
if (!resumeAfter(setLength))
return InliningStatus_Error;
diff --git a/js/src/jit/MIR.cpp b/js/src/jit/MIR.cpp
index 1f33b2174..6aa46be4b 100644
--- a/js/src/jit/MIR.cpp
+++ b/js/src/jit/MIR.cpp
@@ -5823,46 +5823,6 @@ jit::ElementAccessIsDenseNative(CompilerConstraintList* constraints,
return clasp && clasp->isNative() && !IsTypedArrayClass(clasp);
}
-JSValueType
-jit::UnboxedArrayElementType(CompilerConstraintList* constraints, MDefinition* obj,
- MDefinition* id)
-{
- if (obj->mightBeType(MIRType::String))
- return JSVAL_TYPE_MAGIC;
-
- if (id && id->type() != MIRType::Int32 && id->type() != MIRType::Double)
- return JSVAL_TYPE_MAGIC;
-
- TemporaryTypeSet* types = obj->resultTypeSet();
- if (!types || types->unknownObject())
- return JSVAL_TYPE_MAGIC;
-
- JSValueType elementType = JSVAL_TYPE_MAGIC;
- for (unsigned i = 0; i < types->getObjectCount(); i++) {
- TypeSet::ObjectKey* key = types->getObject(i);
- if (!key)
- continue;
-
- if (key->unknownProperties() || !key->isGroup())
- return JSVAL_TYPE_MAGIC;
-
- if (key->clasp() != &UnboxedArrayObject::class_)
- return JSVAL_TYPE_MAGIC;
-
- const UnboxedLayout &layout = key->group()->unboxedLayout();
-
- if (layout.nativeGroup())
- return JSVAL_TYPE_MAGIC;
-
- if (elementType == layout.elementType() || elementType == JSVAL_TYPE_MAGIC)
- elementType = layout.elementType();
- else
- return JSVAL_TYPE_MAGIC;
- }
-
- return elementType;
-}
-
bool
jit::ElementAccessIsTypedArray(CompilerConstraintList* constraints,
MDefinition* obj, MDefinition* id,
@@ -6022,11 +5982,6 @@ ObjectSubsumes(TypeSet::ObjectKey* first, TypeSet::ObjectKey* second)
firstElements.maybeTypes()->equals(secondElements.maybeTypes());
}
- if (first->clasp() == &UnboxedArrayObject::class_) {
- return first->group()->unboxedLayout().elementType() ==
- second->group()->unboxedLayout().elementType();
- }
-
return false;
}
diff --git a/js/src/jit/MIR.h b/js/src/jit/MIR.h
index 3e0421789..f316827dc 100644
--- a/js/src/jit/MIR.h
+++ b/js/src/jit/MIR.h
@@ -375,8 +375,7 @@ class AliasSet {
Element = 1 << 1, // A Value member of obj->elements or
// a typed object.
UnboxedElement = 1 << 2, // An unboxed scalar or reference member of
- // a typed array, typed object, or unboxed
- // object.
+ // typed object or unboxed object.
DynamicSlot = 1 << 3, // A Value member of obj->slots.
FixedSlot = 1 << 4, // A Value member of obj->fixedSlots().
DOMProperty = 1 << 5, // A DOM property
@@ -433,9 +432,6 @@ class AliasSet {
MOZ_ASSERT(flags && !(flags & Store_));
return AliasSet(flags | Store_);
}
- static uint32_t BoxedOrUnboxedElements(JSValueType type) {
- return (type == JSVAL_TYPE_MAGIC) ? Element : UnboxedElement;
- }
};
typedef Vector<MDefinition*, 6, JitAllocPolicy> MDefinitionVector;
@@ -8745,102 +8741,6 @@ class MSetInitializedLength
ALLOW_CLONE(MSetInitializedLength)
};
-// Load the length from an unboxed array.
-class MUnboxedArrayLength
- : public MUnaryInstruction,
- public SingleObjectPolicy::Data
-{
- explicit MUnboxedArrayLength(MDefinition* object)
- : MUnaryInstruction(object)
- {
- setResultType(MIRType::Int32);
- setMovable();
- }
-
- public:
- INSTRUCTION_HEADER(UnboxedArrayLength)
- TRIVIAL_NEW_WRAPPERS
- NAMED_OPERANDS((0, object))
-
- bool congruentTo(const MDefinition* ins) const override {
- return congruentIfOperandsEqual(ins);
- }
- AliasSet getAliasSet() const override {
- return AliasSet::Load(AliasSet::ObjectFields);
- }
-
- ALLOW_CLONE(MUnboxedArrayLength)
-};
-
-// Load the initialized length from an unboxed array.
-class MUnboxedArrayInitializedLength
- : public MUnaryInstruction,
- public SingleObjectPolicy::Data
-{
- explicit MUnboxedArrayInitializedLength(MDefinition* object)
- : MUnaryInstruction(object)
- {
- setResultType(MIRType::Int32);
- setMovable();
- }
-
- public:
- INSTRUCTION_HEADER(UnboxedArrayInitializedLength)
- TRIVIAL_NEW_WRAPPERS
- NAMED_OPERANDS((0, object))
-
- bool congruentTo(const MDefinition* ins) const override {
- return congruentIfOperandsEqual(ins);
- }
- AliasSet getAliasSet() const override {
- return AliasSet::Load(AliasSet::ObjectFields);
- }
-
- ALLOW_CLONE(MUnboxedArrayInitializedLength)
-};
-
-// Increment the initialized length of an unboxed array object.
-class MIncrementUnboxedArrayInitializedLength
- : public MUnaryInstruction,
- public SingleObjectPolicy::Data
-{
- explicit MIncrementUnboxedArrayInitializedLength(MDefinition* obj)
- : MUnaryInstruction(obj)
- {}
-
- public:
- INSTRUCTION_HEADER(IncrementUnboxedArrayInitializedLength)
- TRIVIAL_NEW_WRAPPERS
- NAMED_OPERANDS((0, object))
-
- AliasSet getAliasSet() const override {
- return AliasSet::Store(AliasSet::ObjectFields);
- }
-
- ALLOW_CLONE(MIncrementUnboxedArrayInitializedLength)
-};
-
-// Set the initialized length of an unboxed array object.
-class MSetUnboxedArrayInitializedLength
- : public MBinaryInstruction,
- public SingleObjectPolicy::Data
-{
- explicit MSetUnboxedArrayInitializedLength(MDefinition* obj, MDefinition* length)
- : MBinaryInstruction(obj, length)
- {}
-
- public:
- INSTRUCTION_HEADER(SetUnboxedArrayInitializedLength)
- TRIVIAL_NEW_WRAPPERS
- NAMED_OPERANDS((0, object), (1, length))
-
- AliasSet getAliasSet() const override {
- return AliasSet::Store(AliasSet::ObjectFields);
- }
-
- ALLOW_CLONE(MSetUnboxedArrayInitializedLength)
-};
-
// Load the array length from an elements header.
class MArrayLength
: public MUnaryInstruction,
@@ -9341,16 +9241,12 @@ class MLoadElementHole
: public MTernaryInstruction,
public SingleObjectPolicy::Data
{
- // Unboxed element type, JSVAL_TYPE_MAGIC for dense native elements.
- JSValueType unboxedType_;
-
bool needsNegativeIntCheck_;
bool needsHoleCheck_;
MLoadElementHole(MDefinition* elements, MDefinition* index, MDefinition* initLength,
- JSValueType unboxedType, bool needsHoleCheck)
+ bool needsHoleCheck)
: MTernaryInstruction(elements, index, initLength),
- unboxedType_(unboxedType),
needsNegativeIntCheck_(true),
needsHoleCheck_(needsHoleCheck)
{
@@ -9372,9 +9268,6 @@ class MLoadElementHole
TRIVIAL_NEW_WRAPPERS
NAMED_OPERANDS((0, elements), (1, index), (2, initLength))
- JSValueType unboxedType() const {
- return unboxedType_;
- }
bool needsNegativeIntCheck() const {
return needsNegativeIntCheck_;
}
@@ -9385,8 +9278,6 @@ class MLoadElementHole
if (!ins->isLoadElementHole())
return false;
const MLoadElementHole* other = ins->toLoadElementHole();
- if (unboxedType() != other->unboxedType())
- return false;
if (needsHoleCheck() != other->needsHoleCheck())
return false;
if (needsNegativeIntCheck() != other->needsNegativeIntCheck())
@@ -9394,7 +9285,7 @@ class MLoadElementHole
return congruentIfOperandsEqual(other);
}
AliasSet getAliasSet() const override {
- return AliasSet::Load(AliasSet::BoxedOrUnboxedElements(unboxedType()));
+ return AliasSet::Load(AliasSet::Element);
}
void collectRangeInfoPreTrunc() override;
@@ -9583,11 +9474,8 @@ class MStoreElementHole
public MStoreElementCommon,
public MixPolicy<SingleObjectPolicy, NoFloatPolicy<3> >::Data
{
- JSValueType unboxedType_;
-
MStoreElementHole(MDefinition* object, MDefinition* elements,
- MDefinition* index, MDefinition* value, JSValueType unboxedType)
- : unboxedType_(unboxedType)
+ MDefinition* index, MDefinition* value)
{
initOperand(0, object);
initOperand(1, elements);
@@ -9602,14 +9490,10 @@ class MStoreElementHole
TRIVIAL_NEW_WRAPPERS
NAMED_OPERANDS((0, object), (1, elements), (2, index), (3, value))
- JSValueType unboxedType() const {
- return unboxedType_;
- }
AliasSet getAliasSet() const override {
// StoreElementHole can update the initialized length, the array length
// or reallocate obj->elements.
- return AliasSet::Store(AliasSet::ObjectFields |
- AliasSet::BoxedOrUnboxedElements(unboxedType()));
+ return AliasSet::Store(AliasSet::ObjectFields | AliasSet::Element);
}
ALLOW_CLONE(MStoreElementHole)
@@ -9622,13 +9506,11 @@ class MFallibleStoreElement
public MStoreElementCommon,
public MixPolicy<SingleObjectPolicy, NoFloatPolicy<3> >::Data
{
- JSValueType unboxedType_;
bool strict_;
MFallibleStoreElement(MDefinition* object, MDefinition* elements,
MDefinition* index, MDefinition* value,
- JSValueType unboxedType, bool strict)
- : unboxedType_(unboxedType)
+ bool strict)
{
initOperand(0, object);
initOperand(1, elements);
@@ -9644,12 +9526,8 @@ class MFallibleStoreElement
TRIVIAL_NEW_WRAPPERS
NAMED_OPERANDS((0, object), (1, elements), (2, index), (3, value))
- JSValueType unboxedType() const {
- return unboxedType_;
- }
AliasSet getAliasSet() const override {
- return AliasSet::Store(AliasSet::ObjectFields |
- AliasSet::BoxedOrUnboxedElements(unboxedType()));
+ return AliasSet::Store(AliasSet::ObjectFields | AliasSet::Element);
}
bool strict() const {
return strict_;
@@ -9754,13 +9632,12 @@ class MArrayPopShift
private:
Mode mode_;
- JSValueType unboxedType_;
bool needsHoleCheck_;
bool maybeUndefined_;
- MArrayPopShift(MDefinition* object, Mode mode, JSValueType unboxedType,
+ MArrayPopShift(MDefinition* object, Mode mode,
bool needsHoleCheck, bool maybeUndefined)
- : MUnaryInstruction(object), mode_(mode), unboxedType_(unboxedType),
+ : MUnaryInstruction(object), mode_(mode),
needsHoleCheck_(needsHoleCheck), maybeUndefined_(maybeUndefined)
{ }
@@ -9778,12 +9655,8 @@ class MArrayPopShift
bool mode() const {
return mode_;
}
- JSValueType unboxedType() const {
- return unboxedType_;
- }
AliasSet getAliasSet() const override {
- return AliasSet::Store(AliasSet::ObjectFields |
- AliasSet::BoxedOrUnboxedElements(unboxedType()));
+ return AliasSet::Store(AliasSet::ObjectFields | AliasSet::Element);
}
ALLOW_CLONE(MArrayPopShift)
@@ -9794,10 +9667,8 @@ class MArrayPush
: public MBinaryInstruction,
public MixPolicy<SingleObjectPolicy, NoFloatPolicy<1> >::Data
{
- JSValueType unboxedType_;
-
- MArrayPush(MDefinition* object, MDefinition* value, JSValueType unboxedType)
- : MBinaryInstruction(object, value), unboxedType_(unboxedType)
+ MArrayPush(MDefinition* object, MDefinition* value)
+ : MBinaryInstruction(object, value)
{
setResultType(MIRType::Int32);
}
@@ -9807,12 +9678,8 @@ class MArrayPush
TRIVIAL_NEW_WRAPPERS
NAMED_OPERANDS((0, object), (1, value))
- JSValueType unboxedType() const {
- return unboxedType_;
- }
AliasSet getAliasSet() const override {
- return AliasSet::Store(AliasSet::ObjectFields |
- AliasSet::BoxedOrUnboxedElements(unboxedType()));
+ return AliasSet::Store(AliasSet::ObjectFields | AliasSet::Element);
}
void computeRange(TempAllocator& alloc) override;
@@ -9826,15 +9693,13 @@ class MArraySlice
{
CompilerObject templateObj_;
gc::InitialHeap initialHeap_;
- JSValueType unboxedType_;
MArraySlice(CompilerConstraintList* constraints, MDefinition* obj,
MDefinition* begin, MDefinition* end,
- JSObject* templateObj, gc::InitialHeap initialHeap, JSValueType unboxedType)
+ JSObject* templateObj, gc::InitialHeap initialHeap)
: MTernaryInstruction(obj, begin, end),
templateObj_(templateObj),
- initialHeap_(initialHeap),
- unboxedType_(unboxedType)
+ initialHeap_(initialHeap)
{
setResultType(MIRType::Object);
}
@@ -9852,10 +9717,6 @@ class MArraySlice
return initialHeap_;
}
- JSValueType unboxedType() const {
- return unboxedType_;
- }
-
bool possiblyCalls() const override {
return true;
}
@@ -12224,15 +12085,13 @@ class MInArray
{
bool needsHoleCheck_;
bool needsNegativeIntCheck_;
- JSValueType unboxedType_;
MInArray(MDefinition* elements, MDefinition* index,
MDefinition* initLength, MDefinition* object,
- bool needsHoleCheck, JSValueType unboxedType)
+ bool needsHoleCheck)
: MQuaternaryInstruction(elements, index, initLength, object),
needsHoleCheck_(needsHoleCheck),
- needsNegativeIntCheck_(true),
- unboxedType_(unboxedType)
+ needsNegativeIntCheck_(true)
{
setResultType(MIRType::Boolean);
setMovable();
@@ -12252,9 +12111,6 @@ class MInArray
bool needsNegativeIntCheck() const {
return needsNegativeIntCheck_;
}
- JSValueType unboxedType() const {
- return unboxedType_;
- }
void collectRangeInfoPreTrunc() override;
AliasSet getAliasSet() const override {
return AliasSet::Load(AliasSet::Element);
@@ -12267,8 +12123,6 @@ class MInArray
return false;
if (needsNegativeIntCheck() != other->needsNegativeIntCheck())
return false;
- if (unboxedType() != other->unboxedType())
- return false;
return congruentIfOperandsEqual(other);
}
};
@@ -14169,8 +14023,6 @@ MDefinition::maybeConstantValue()
bool ElementAccessIsDenseNative(CompilerConstraintList* constraints,
MDefinition* obj, MDefinition* id);
-JSValueType UnboxedArrayElementType(CompilerConstraintList* constraints, MDefinition* obj,
- MDefinition* id);
bool ElementAccessIsTypedArray(CompilerConstraintList* constraints,
MDefinition* obj, MDefinition* id,
Scalar::Type* arrayType);
diff --git a/js/src/jit/MOpcodes.h b/js/src/jit/MOpcodes.h
index b80d1baf9..ab37604b4 100644
--- a/js/src/jit/MOpcodes.h
+++ b/js/src/jit/MOpcodes.h
@@ -198,10 +198,6 @@ namespace jit {
_(SetTypedObjectOffset) \
_(InitializedLength) \
_(SetInitializedLength) \
- _(UnboxedArrayLength) \
- _(UnboxedArrayInitializedLength) \
- _(IncrementUnboxedArrayInitializedLength) \
- _(SetUnboxedArrayInitializedLength) \
_(Not) \
_(BoundsCheck) \
_(BoundsCheckLower) \
diff --git a/js/src/jit/MacroAssembler.cpp b/js/src/jit/MacroAssembler.cpp
index f633b9b7b..e50f68722 100644
--- a/js/src/jit/MacroAssembler.cpp
+++ b/js/src/jit/MacroAssembler.cpp
@@ -705,31 +705,6 @@ template void
MacroAssembler::storeUnboxedProperty(BaseIndex address, JSValueType type,
const ConstantOrRegister& value, Label* failure);
-void
-MacroAssembler::checkUnboxedArrayCapacity(Register obj, const RegisterOrInt32Constant& index,
- Register temp, Label* failure)
-{
- Address initLengthAddr(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength());
- Address lengthAddr(obj, UnboxedArrayObject::offsetOfLength());
-
- Label capacityIsIndex, done;
- load32(initLengthAddr, temp);
- branchTest32(Assembler::NonZero, temp, Imm32(UnboxedArrayObject::CapacityMask), &capacityIsIndex);
- branch32(Assembler::BelowOrEqual, lengthAddr, index, failure);
- jump(&done);
- bind(&capacityIsIndex);
-
- // Do a partial shift so that we can get an absolute offset from the base
- // of CapacityArray to use.
- JS_STATIC_ASSERT(sizeof(UnboxedArrayObject::CapacityArray[0]) == 4);
- rshiftPtr(Imm32(UnboxedArrayObject::CapacityShift - 2), temp);
- and32(Imm32(~0x3), temp);
-
- addPtr(ImmPtr(&UnboxedArrayObject::CapacityArray), temp);
- branch32(Assembler::BelowOrEqual, Address(temp, 0), index, failure);
- bind(&done);
-}
-
// Inlined version of gc::CheckAllocatorState that checks the bare essentials
// and bails for anything that cannot be handled with our jit allocators.
void
@@ -1281,16 +1256,6 @@ MacroAssembler::initGCThing(Register obj, Register temp, JSObject* templateObj,
storePtr(ImmWord(0), Address(obj, UnboxedPlainObject::offsetOfExpando()));
if (initContents)
initUnboxedObjectContents(obj, &templateObj->as<UnboxedPlainObject>());
- } else if (templateObj->is<UnboxedArrayObject>()) {
- MOZ_ASSERT(templateObj->as<UnboxedArrayObject>().hasInlineElements());
- int elementsOffset = UnboxedArrayObject::offsetOfInlineElements();
- computeEffectiveAddress(Address(obj, elementsOffset), temp);
- storePtr(temp, Address(obj, UnboxedArrayObject::offsetOfElements()));
- store32(Imm32(templateObj->as<UnboxedArrayObject>().length()),
- Address(obj, UnboxedArrayObject::offsetOfLength()));
- uint32_t capacityIndex = templateObj->as<UnboxedArrayObject>().capacityIndex();
- store32(Imm32(capacityIndex << UnboxedArrayObject::CapacityShift),
- Address(obj, UnboxedArrayObject::offsetOfCapacityIndexAndInitializedLength()));
} else {
MOZ_CRASH("Unknown object");
}
diff --git a/js/src/jit/MacroAssembler.h b/js/src/jit/MacroAssembler.h
index b6616321c..6ee989463 100644
--- a/js/src/jit/MacroAssembler.h
+++ b/js/src/jit/MacroAssembler.h
@@ -1626,7 +1626,7 @@ class MacroAssembler : public MacroAssemblerSpecific
void storeToTypedFloatArray(Scalar::Type arrayType, FloatRegister value, const Address& dest,
unsigned numElems = 0);
- // Load a property from an UnboxedPlainObject or UnboxedArrayObject.
+ // Load a property from an UnboxedPlainObject.
template <typename T>
void loadUnboxedProperty(T address, JSValueType type, TypedOrValueRegister output);
@@ -1637,9 +1637,6 @@ class MacroAssembler : public MacroAssemblerSpecific
void storeUnboxedProperty(T address, JSValueType type,
const ConstantOrRegister& value, Label* failure);
- void checkUnboxedArrayCapacity(Register obj, const RegisterOrInt32Constant& index,
- Register temp, Label* failure);
-
Register extractString(const Address& address, Register scratch) {
return extractObject(address, scratch);
}
diff --git a/js/src/jit/ScalarReplacement.cpp b/js/src/jit/ScalarReplacement.cpp
index 2065c0371..be9ceee2e 100644
--- a/js/src/jit/ScalarReplacement.cpp
+++ b/js/src/jit/ScalarReplacement.cpp
@@ -795,11 +795,6 @@ IsArrayEscaped(MInstruction* ins)
return true;
}
- if (obj->is<UnboxedArrayObject>()) {
- JitSpew(JitSpew_Escape, "Template object is an unboxed plain object.");
- return true;
- }
-
if (length >= 16) {
JitSpew(JitSpew_Escape, "Array has too many elements");
return true;
diff --git a/js/src/jit/SharedIC.cpp b/js/src/jit/SharedIC.cpp
index 2475dfb22..313957462 100644
--- a/js/src/jit/SharedIC.cpp
+++ b/js/src/jit/SharedIC.cpp
@@ -286,11 +286,6 @@ ICStub::trace(JSTracer* trc)
TraceEdge(trc, &getElemStub->shape(), "baseline-getelem-dense-shape");
break;
}
- case ICStub::GetElem_UnboxedArray: {
- ICGetElem_UnboxedArray* getElemStub = toGetElem_UnboxedArray();
- TraceEdge(trc, &getElemStub->group(), "baseline-getelem-unboxed-array-group");
- break;
- }
case ICStub::GetElem_TypedArray: {
ICGetElem_TypedArray* getElemStub = toGetElem_TypedArray();
TraceEdge(trc, &getElemStub->shape(), "baseline-getelem-typedarray-shape");
@@ -2250,7 +2245,6 @@ IsCacheableProtoChain(JSObject* obj, JSObject* holder, bool isDOMProxy)
if (obj == holder)
return false;
if (!obj->is<UnboxedPlainObject>() &&
- !obj->is<UnboxedArrayObject>() &&
!obj->is<TypedObject>())
{
return false;
@@ -2582,9 +2576,6 @@ CheckHasNoSuchProperty(JSContext* cx, JSObject* obj, PropertyName* name,
} else if (curObj->is<UnboxedPlainObject>()) {
if (curObj->as<UnboxedPlainObject>().containsUnboxedOrExpandoProperty(cx, NameToId(name)))
return false;
- } else if (curObj->is<UnboxedArrayObject>()) {
- if (name == cx->names().length)
- return false;
} else if (curObj->is<TypedObject>()) {
if (curObj->as<TypedObject>().typeDescr().hasProperty(cx->names(), NameToId(name)))
return false;
diff --git a/js/src/jit/VMFunctions.cpp b/js/src/jit/VMFunctions.cpp
index 77b9e3647..0717bb86d 100644
--- a/js/src/jit/VMFunctions.cpp
+++ b/js/src/jit/VMFunctions.cpp
@@ -318,7 +318,7 @@ ArraySpliceDense(JSContext* cx, HandleObject obj, uint32_t start, uint32_t delet
bool
ArrayPopDense(JSContext* cx, HandleObject obj, MutableHandleValue rval)
{
- MOZ_ASSERT(obj->is<ArrayObject>() || obj->is<UnboxedArrayObject>());
+ MOZ_ASSERT(obj->is<ArrayObject>());
AutoDetectInvalidation adi(cx, rval);
@@ -341,8 +341,8 @@ ArrayPushDense(JSContext* cx, HandleObject obj, HandleValue v, uint32_t* length)
{
*length = GetAnyBoxedOrUnboxedArrayLength(obj);
DenseElementResult result =
- SetOrExtendAnyBoxedOrUnboxedDenseElements(cx, obj, *length, v.address(), 1,
- ShouldUpdateTypes::DontUpdate);
+ SetOrExtendBoxedOrUnboxedDenseElements(cx, obj, *length, v.address(), 1,
+ ShouldUpdateTypes::DontUpdate);
if (result != DenseElementResult::Incomplete) {
(*length)++;
return result == DenseElementResult::Success;
@@ -362,7 +362,7 @@ ArrayPushDense(JSContext* cx, HandleObject obj, HandleValue v, uint32_t* length)
bool
ArrayShiftDense(JSContext* cx, HandleObject obj, MutableHandleValue rval)
{
- MOZ_ASSERT(obj->is<ArrayObject>() || obj->is<UnboxedArrayObject>());
+ MOZ_ASSERT(obj->is<ArrayObject>());
AutoDetectInvalidation adi(cx, rval);
@@ -1151,8 +1151,8 @@ SetDenseOrUnboxedArrayElement(JSContext* cx, HandleObject obj, int32_t index,
// no type changes are needed.
DenseElementResult result =
- SetOrExtendAnyBoxedOrUnboxedDenseElements(cx, obj, index, value.address(), 1,
- ShouldUpdateTypes::DontUpdate);
+ SetOrExtendBoxedOrUnboxedDenseElements(cx, obj, index, value.address(), 1,
+ ShouldUpdateTypes::DontUpdate);
if (result != DenseElementResult::Incomplete)
return result == DenseElementResult::Success;
diff --git a/js/src/jit/shared/LIR-shared.h b/js/src/jit/shared/LIR-shared.h
index f386d5256..35c7e7442 100644
--- a/js/src/jit/shared/LIR-shared.h
+++ b/js/src/jit/shared/LIR-shared.h
@@ -5165,72 +5165,6 @@ class LSetInitializedLength : public LInstructionHelper<0, 2, 0>
}
};
-class LUnboxedArrayLength : public LInstructionHelper<1, 1, 0>
-{
- public:
- LIR_HEADER(UnboxedArrayLength)
-
- explicit LUnboxedArrayLength(const LAllocation& object) {
- setOperand(0, object);
- }
-
- const LAllocation* object() {
- return getOperand(0);
- }
-};
-
-class LUnboxedArrayInitializedLength : public LInstructionHelper<1, 1, 0>
-{
- public:
- LIR_HEADER(UnboxedArrayInitializedLength)
-
- explicit LUnboxedArrayInitializedLength(const LAllocation& object) {
- setOperand(0, object);
- }
-
- const LAllocation* object() {
- return getOperand(0);
- }
-};
-
-class LIncrementUnboxedArrayInitializedLength : public LInstructionHelper<0, 1, 0>
-{
- public:
- LIR_HEADER(IncrementUnboxedArrayInitializedLength)
-
- explicit LIncrementUnboxedArrayInitializedLength(const LAllocation& object) {
- setOperand(0, object);
- }
-
- const LAllocation* object() {
- return getOperand(0);
- }
-};
-
-class LSetUnboxedArrayInitializedLength : public LInstructionHelper<0, 2, 1>
-{
- public:
- LIR_HEADER(SetUnboxedArrayInitializedLength)
-
- explicit LSetUnboxedArrayInitializedLength(const LAllocation& object,
- const LAllocation& length,
- const LDefinition& temp) {
- setOperand(0, object);
- setOperand(1, length);
- setTemp(0, temp);
- }
-
- const LAllocation* object() {
- return getOperand(0);
- }
- const LAllocation* length() {
- return getOperand(1);
- }
- const LDefinition* temp() {
- return getTemp(0);
- }
-};
-
// Load the length from an elements header.
class LArrayLength : public LInstructionHelper<1, 1, 0>
{
diff --git a/js/src/jit/shared/LOpcodes-shared.h b/js/src/jit/shared/LOpcodes-shared.h
index 6912e8904..deae92839 100644
--- a/js/src/jit/shared/LOpcodes-shared.h
+++ b/js/src/jit/shared/LOpcodes-shared.h
@@ -267,10 +267,6 @@
_(PostWriteElementBarrierV) \
_(InitializedLength) \
_(SetInitializedLength) \
- _(UnboxedArrayLength) \
- _(UnboxedArrayInitializedLength) \
- _(IncrementUnboxedArrayInitializedLength) \
- _(SetUnboxedArrayInitializedLength) \
_(BoundsCheck) \
_(BoundsCheckRange) \
_(BoundsCheckLower) \
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 00:04:57 +0000