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LibJS/Bytecode: Move PutByValue impl to CommonImplementations

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This commit is contained in:
Andreas Kling 2023-10-21 15:55:02 +02:00
parent 9c93d100d1
commit c2aad0f573
3 changed files with 27 additions and 25 deletions
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27
Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
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@ -1357,33 +1357,10 @@ ThrowCompletionOr<void> PutByValue::execute_impl(Bytecode::Interpreter& interpre
{
auto& vm = interpreter.vm();
// NOTE: Get the value from the accumulator before side effects have a chance to overwrite it.
auto value = interpreter.accumulator();
auto base = interpreter.reg(m_base);
auto property_key_value = interpreter.reg(m_property);
// OPTIMIZATION: Fast path for simple Int32 indexes in array-like objects.
if (base.is_object() && property_key_value.is_int32() && property_key_value.as_i32() >= 0) {
auto& object = base.as_object();
auto* storage = object.indexed_properties().storage();
auto index = static_cast<u32>(property_key_value.as_i32());
if (storage
&& storage->is_simple_storage()
&& !object.may_interfere_with_indexed_property_access()
&& storage->has_index(index)) {
auto existing_value = storage->get(index)->value;
if (!existing_value.is_accessor()) {
storage->put(index, value);
interpreter.accumulator() = value;
return {};
}
}
}
auto property_key = m_kind != PropertyKind::Spread ? TRY(property_key_value.to_property_key(vm)) : PropertyKey {};
TRY(put_by_property_key(vm, base, base, value, property_key, m_kind));
TRY(put_by_value(vm, interpreter.reg(m_base), interpreter.reg(m_property), interpreter.accumulator(), m_kind));
interpreter.accumulator() = value;
return {};
}