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-rw-r--r--js/src/jit/CodeGenerator.cpp13
-rw-r--r--js/src/jit/VMFunctions.cpp23
-rw-r--r--js/src/jit/VMFunctions.h6
-rw-r--r--js/src/jsarray.cpp20
-rw-r--r--js/src/jsarray.h6
-rw-r--r--js/src/vm/NativeObject-inl.h32
-rw-r--r--js/src/vm/NativeObject.h9
-rw-r--r--js/src/vm/UnboxedObject-inl.h38
8 files changed, 70 insertions, 77 deletions
diff --git a/js/src/jit/CodeGenerator.cpp b/js/src/jit/CodeGenerator.cpp
index ae9c61031..e0b8a7f28 100644
--- a/js/src/jit/CodeGenerator.cpp
+++ b/js/src/jit/CodeGenerator.cpp
@@ -8213,11 +8213,10 @@ CodeGenerator::visitFallibleStoreElementV(LFallibleStoreElementV* lir)
masm.bind(&isFrozen);
}
-typedef bool (*SetDenseOrUnboxedArrayElementFn)(JSContext*, HandleObject, int32_t,
- HandleValue, bool strict);
-static const VMFunction SetDenseOrUnboxedArrayElementInfo =
- FunctionInfo<SetDenseOrUnboxedArrayElementFn>(SetDenseOrUnboxedArrayElement,
- "SetDenseOrUnboxedArrayElement");
+typedef bool (*SetDenseElementFn)(JSContext*, HandleNativeObject, int32_t, HandleValue,
+ bool strict);
+static const VMFunction SetDenseElementInfo =
+ FunctionInfo<SetDenseElementFn>(jit::SetDenseElement, "SetDenseElement");
void
CodeGenerator::visitOutOfLineStoreElementHole(OutOfLineStoreElementHole* ool)
@@ -8326,7 +8325,7 @@ CodeGenerator::visitOutOfLineStoreElementHole(OutOfLineStoreElementHole* ool)
else
pushArg(ToRegister(index));
pushArg(object);
- callVM(SetDenseOrUnboxedArrayElementInfo, ins);
+ callVM(SetDenseElementInfo, ins);
restoreLive(ins);
masm.jump(ool->rejoin());
@@ -8500,7 +8499,7 @@ CodeGenerator::visitArrayPopShiftT(LArrayPopShiftT* lir)
emitArrayPopShift(lir, lir->mir(), obj, elements, length, out);
}
-typedef bool (*ArrayPushDenseFn)(JSContext*, HandleObject, HandleValue, uint32_t*);
+typedef bool (*ArrayPushDenseFn)(JSContext*, HandleArrayObject, HandleValue, uint32_t*);
static const VMFunction ArrayPushDenseInfo =
FunctionInfo<ArrayPushDenseFn>(jit::ArrayPushDense, "ArrayPushDense");
diff --git a/js/src/jit/VMFunctions.cpp b/js/src/jit/VMFunctions.cpp
index 7b1e1cad6..297357b1e 100644
--- a/js/src/jit/VMFunctions.cpp
+++ b/js/src/jit/VMFunctions.cpp
@@ -337,12 +337,11 @@ ArrayPopDense(JSContext* cx, HandleObject obj, MutableHandleValue rval)
}
bool
-ArrayPushDense(JSContext* cx, HandleObject obj, HandleValue v, uint32_t* length)
+ArrayPushDense(JSContext* cx, HandleArrayObject arr, HandleValue v, uint32_t* length)
{
- *length = obj->as<ArrayObject>().length();
- DenseElementResult result =
- SetOrExtendBoxedOrUnboxedDenseElements(cx, obj, *length, v.address(), 1,
- ShouldUpdateTypes::DontUpdate);
+ *length = arr->length();
+ DenseElementResult result = arr->setOrExtendDenseElements(cx, *length, v.address(), 1,
+ ShouldUpdateTypes::DontUpdate);
if (result != DenseElementResult::Incomplete) {
(*length)++;
return result == DenseElementResult::Success;
@@ -350,7 +349,7 @@ ArrayPushDense(JSContext* cx, HandleObject obj, HandleValue v, uint32_t* length)
JS::AutoValueArray<3> argv(cx);
argv[0].setUndefined();
- argv[1].setObject(*obj);
+ argv[1].setObject(*arr);
argv[2].set(v);
if (!js::array_push(cx, 1, argv.begin()))
return false;
@@ -1143,16 +1142,14 @@ Recompile(JSContext* cx)
}
bool
-SetDenseOrUnboxedArrayElement(JSContext* cx, HandleObject obj, int32_t index,
- HandleValue value, bool strict)
+SetDenseElement(JSContext* cx, HandleNativeObject obj, int32_t index, HandleValue value, bool strict)
{
// This function is called from Ion code for StoreElementHole's OOL path.
- // In this case we know the object is native or an unboxed array and that
- // no type changes are needed.
+ // In this case we know the object is native and that no type changes are
+ // needed.
- DenseElementResult result =
- SetOrExtendBoxedOrUnboxedDenseElements(cx, obj, index, value.address(), 1,
- ShouldUpdateTypes::DontUpdate);
+ DenseElementResult result = obj->setOrExtendDenseElements(cx, index, value.address(), 1,
+ ShouldUpdateTypes::DontUpdate);
if (result != DenseElementResult::Incomplete)
return result == DenseElementResult::Success;
diff --git a/js/src/jit/VMFunctions.h b/js/src/jit/VMFunctions.h
index 572f05373..9a2edd0f3 100644
--- a/js/src/jit/VMFunctions.h
+++ b/js/src/jit/VMFunctions.h
@@ -622,7 +622,7 @@ template<bool Equal>
bool StringsEqual(JSContext* cx, HandleString left, HandleString right, bool* res);
MOZ_MUST_USE bool ArrayPopDense(JSContext* cx, HandleObject obj, MutableHandleValue rval);
-MOZ_MUST_USE bool ArrayPushDense(JSContext* cx, HandleObject obj, HandleValue v, uint32_t* length);
+MOZ_MUST_USE bool ArrayPushDense(JSContext* cx, HandleArrayObject obj, HandleValue v, uint32_t* length);
MOZ_MUST_USE bool ArrayShiftDense(JSContext* cx, HandleObject obj, MutableHandleValue rval);
JSString* ArrayJoin(JSContext* cx, HandleObject array, HandleString sep);
@@ -748,8 +748,8 @@ ForcedRecompile(JSContext* cx);
JSString* StringReplace(JSContext* cx, HandleString string, HandleString pattern,
HandleString repl);
-MOZ_MUST_USE bool SetDenseOrUnboxedArrayElement(JSContext* cx, HandleObject obj, int32_t index,
- HandleValue value, bool strict);
+MOZ_MUST_USE bool SetDenseElement(JSContext* cx, HandleNativeObject obj, int32_t index,
+ HandleValue value, bool strict);
void AssertValidObjectPtr(JSContext* cx, JSObject* obj);
void AssertValidObjectOrNullPtr(JSContext* cx, JSObject* obj);
diff --git a/js/src/jsarray.cpp b/js/src/jsarray.cpp
index 97f035fd9..b77a5bce8 100644
--- a/js/src/jsarray.cpp
+++ b/js/src/jsarray.cpp
@@ -280,8 +280,8 @@ ElementAdder::append(JSContext* cx, HandleValue v)
{
MOZ_ASSERT(index_ < length_);
if (resObj_) {
- DenseElementResult result =
- SetOrExtendBoxedOrUnboxedDenseElements(cx, resObj_, index_, v.address(), 1);
+ NativeObject* resObj = &resObj_->as<NativeObject>();
+ DenseElementResult result = resObj->setOrExtendDenseElements(cx, index_, v.address(), 1);
if (result == DenseElementResult::Failure)
return false;
if (result == DenseElementResult::Incomplete) {
@@ -390,8 +390,8 @@ SetArrayElement(JSContext* cx, HandleObject obj, double index, HandleValue v)
MOZ_ASSERT(index >= 0);
if (obj->is<ArrayObject>() && !obj->isIndexed() && index <= UINT32_MAX) {
- DenseElementResult result =
- SetOrExtendBoxedOrUnboxedDenseElements(cx, obj, uint32_t(index), v.address(), 1);
+ NativeObject* nobj = &obj->as<NativeObject>();
+ DenseElementResult result = nobj->setOrExtendDenseElements(cx, uint32_t(index), v.address(), 1);
if (result != DenseElementResult::Incomplete)
return result == DenseElementResult::Success;
}
@@ -1299,8 +1299,9 @@ InitArrayElements(JSContext* cx, HandleObject obj, uint32_t start,
return false;
if (!ObjectMayHaveExtraIndexedProperties(obj)) {
- DenseElementResult result =
- SetOrExtendBoxedOrUnboxedDenseElements(cx, obj, start, vector, count, updateTypes);
+ NativeObject* nobj = &obj->as<NativeObject>();
+ DenseElementResult result = nobj->setOrExtendDenseElements(cx, uint32_t(start), vector,
+ count, updateTypes);
if (result != DenseElementResult::Incomplete)
return result == DenseElementResult::Success;
}
@@ -2041,8 +2042,8 @@ js::array_push(JSContext* cx, unsigned argc, Value* vp)
if (!ObjectMayHaveExtraIndexedProperties(obj)) {
DenseElementResult result =
- SetOrExtendBoxedOrUnboxedDenseElements(cx, obj, length,
- args.array(), args.length());
+ obj->as<NativeObject>().setOrExtendDenseElements(cx, uint32_t(length),
+ args.array(), args.length());
if (result != DenseElementResult::Incomplete) {
if (result == DenseElementResult::Failure)
return false;
@@ -3663,8 +3664,7 @@ js::NewCopiedArrayTryUseGroup(ExclusiveContext* cx, HandleObjectGroup group,
if (!obj)
return nullptr;
- DenseElementResult result =
- SetOrExtendBoxedOrUnboxedDenseElements(cx, obj, 0, vp, length, updateTypes);
+ DenseElementResult result = obj->setOrExtendDenseElements(cx->asJSContext(), 0, vp, length, updateTypes);
if (result == DenseElementResult::Failure)
return nullptr;
MOZ_ASSERT(result == DenseElementResult::Success);
diff --git a/js/src/jsarray.h b/js/src/jsarray.h
index 1bee742ce..36cac743d 100644
--- a/js/src/jsarray.h
+++ b/js/src/jsarray.h
@@ -98,12 +98,6 @@ NewFullyAllocatedArrayForCallingAllocationSite(JSContext* cx, size_t length,
extern ArrayObject*
NewPartlyAllocatedArrayForCallingAllocationSite(JSContext* cx, size_t length, HandleObject proto);
-enum class ShouldUpdateTypes
-{
- Update,
- DontUpdate
-};
-
extern ArrayObject*
NewCopiedArrayTryUseGroup(ExclusiveContext* cx, HandleObjectGroup group,
const Value* vp, size_t length,
diff --git a/js/src/vm/NativeObject-inl.h b/js/src/vm/NativeObject-inl.h
index 48a42a8db..052a3385c 100644
--- a/js/src/vm/NativeObject-inl.h
+++ b/js/src/vm/NativeObject-inl.h
@@ -235,6 +235,38 @@ NativeObject::ensureDenseElements(ExclusiveContext* cx, uint32_t index, uint32_t
return DenseElementResult::Success;
}
+inline DenseElementResult
+NativeObject::setOrExtendDenseElements(JSContext* cx, uint32_t start, const Value* vp,
+ uint32_t count,
+ ShouldUpdateTypes updateTypes)
+{
+ if (denseElementsAreFrozen())
+ return DenseElementResult::Incomplete;
+
+ if (is<ArrayObject>() &&
+ !as<ArrayObject>().lengthIsWritable() &&
+ start + count >= as<ArrayObject>().length())
+ {
+ return DenseElementResult::Incomplete;
+ }
+
+ DenseElementResult result = ensureDenseElements(cx, start, count);
+ if (result != DenseElementResult::Success)
+ return result;
+
+ if (is<ArrayObject>() && start + count >= as<ArrayObject>().length())
+ as<ArrayObject>().setLengthInt32(start + count);
+
+ if (updateTypes == ShouldUpdateTypes::DontUpdate && !shouldConvertDoubleElements()) {
+ copyDenseElements(start, vp, count);
+ } else {
+ for (size_t i = 0; i < count; i++)
+ setDenseElementWithType(cx, start + i, vp[i]);
+ }
+
+ return DenseElementResult::Success;
+}
+
inline Value
NativeObject::getDenseOrTypedArrayElement(uint32_t idx)
{
diff --git a/js/src/vm/NativeObject.h b/js/src/vm/NativeObject.h
index 4dbc167ab..4957a01d2 100644
--- a/js/src/vm/NativeObject.h
+++ b/js/src/vm/NativeObject.h
@@ -349,6 +349,11 @@ enum class DenseElementResult {
Incomplete
};
+enum class ShouldUpdateTypes {
+ Update,
+ DontUpdate
+};
+
/*
* NativeObject specifies the internal implementation of a native object.
*
@@ -1147,6 +1152,10 @@ class NativeObject : public ShapedObject
elementsRangeWriteBarrierPost(dstStart, count);
}
+ inline DenseElementResult
+ setOrExtendDenseElements(JSContext* cx, uint32_t start, const Value* vp, uint32_t count,
+ ShouldUpdateTypes updateTypes = ShouldUpdateTypes::Update);
+
bool shouldConvertDoubleElements() {
return getElementsHeader()->shouldConvertDoubleElements();
}
diff --git a/js/src/vm/UnboxedObject-inl.h b/js/src/vm/UnboxedObject-inl.h
index 193ca75c8..c1468a5b1 100644
--- a/js/src/vm/UnboxedObject-inl.h
+++ b/js/src/vm/UnboxedObject-inl.h
@@ -172,44 +172,6 @@ UnboxedPlainObject::layout() const
return group()->unboxedLayout();
}
-/////////////////////////////////////////////////////////////////////
-// Template methods for NativeObject and UnboxedArrayObject accesses.
-/////////////////////////////////////////////////////////////////////
-
-static inline DenseElementResult
-SetOrExtendBoxedOrUnboxedDenseElements(ExclusiveContext* cx, JSObject* obj,
- uint32_t start, const Value* vp, uint32_t count,
- ShouldUpdateTypes updateTypes = ShouldUpdateTypes::Update)
-{
- NativeObject* nobj = &obj->as<NativeObject>();
-
- if (nobj->denseElementsAreFrozen())
- return DenseElementResult::Incomplete;
-
- if (obj->is<ArrayObject>() &&
- !obj->as<ArrayObject>().lengthIsWritable() &&
- start + count >= obj->as<ArrayObject>().length())
- {
- return DenseElementResult::Incomplete;
- }
-
- DenseElementResult result = nobj->ensureDenseElements(cx, start, count);
- if (result != DenseElementResult::Success)
- return result;
-
- if (obj->is<ArrayObject>() && start + count >= obj->as<ArrayObject>().length())
- obj->as<ArrayObject>().setLengthInt32(start + count);
-
- if (updateTypes == ShouldUpdateTypes::DontUpdate && !nobj->shouldConvertDoubleElements()) {
- nobj->copyDenseElements(start, vp, count);
- } else {
- for (size_t i = 0; i < count; i++)
- nobj->setDenseElementWithType(cx, start + i, vp[i]);
- }
-
- return DenseElementResult::Success;
-}
-
} // namespace js
#endif // vm_UnboxedObject_inl_h
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 16:39:41 +0000