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LibJS: Add a fast path for setting valid u32 values in Uint32TypedArray
The exisiting fast path only permits for valid i32 values. On https://cyxx.github.io/another_js, this eliminates the runtime of typed_array_set_element, and reduces the runtime of put_by_value from 11.1% to 7.7%.
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@ -443,6 +443,15 @@ inline ThrowCompletionOr<void> put_by_value(VM& vm, Value base, Value property_k
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}
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}
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if (typed_array.kind() == TypedArrayBase::Kind::Uint32Array && value.is_integral_number()) {
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auto integer = value.as_double();
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if (AK::is_within_range<u32>(integer) && is_valid_integer_index(typed_array, canonical_index)) {
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fast_typed_array_set_element<u32>(typed_array, index, static_cast<u32>(integer));
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return {};
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}
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}
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switch (typed_array.kind()) {
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#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, Type) \
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case TypedArrayBase::Kind::ClassName: \
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