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LibJS: Add common fast path for PutByValue into TypedArray

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When putting to a numeric indexed property, we can skip a lot of the
ceremony and go directly to IntegerIndexedElementSet. :^)
This commit is contained in:
Andreas Kling 2023-11-25 18:41:38 +01:00
parent 743a9e9ebf
commit 51ac0d8821
2 changed files with 29 additions and 1 deletions
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9
Userland/Libraries/LibJS/Runtime/TypedArray.h
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@ -32,6 +32,13 @@ public:
Number,
};
enum class Kind {
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, Type) \
ClassName,
JS_ENUMERATE_TYPED_ARRAYS
#undef __JS_ENUMERATE
};
using IntrinsicConstructor = NonnullGCPtr<TypedArrayConstructor> (Intrinsics::*)();
u32 array_length() const { return m_array_length; }
@ -48,6 +55,7 @@ public:
virtual size_t element_size() const = 0;
virtual DeprecatedFlyString const& element_name() const = 0;
virtual Kind kind() const = 0;
// 25.1.2.6 IsUnclampedIntegerElementType ( type ), https://tc39.es/ecma262/#sec-isunclampedintegerelementtype
virtual bool is_unclamped_integer_element_type() const = 0;
@ -472,6 +480,7 @@ ThrowCompletionOr<double> compare_typed_array_elements(VM&, Value x, Value y, Fu
static ThrowCompletionOr<NonnullGCPtr<ClassName>> create(Realm&, u32 length); \
static NonnullGCPtr<ClassName> create(Realm&, u32 length, ArrayBuffer& buffer); \
virtual DeprecatedFlyString const& element_name() const override; \
virtual Kind kind() const override { return Kind::ClassName; } \
\
protected: \
ClassName(Object& prototype, u32 length, ArrayBuffer& array_buffer); \