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LibJS: Add basic monomorphic caching for PutById property access

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This patch makes it possible for JS::Object::internal_set() to populate
a CacheablePropertyMetadata, and uses this to implement a basic
monomorphic cache for the most common form of property write access.
This commit is contained in:
Andreas Kling
2023-11-08 20:51:26 +01:00
parent 28118623f5
commit b1b2ca1485
28 changed files with 99 additions and 54 deletions
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Userland/Libraries/LibJS/Runtime/ProxyObject.cpp
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@@ -525,7 +525,7 @@ ThrowCompletionOr<Value> ProxyObject::internal_get(PropertyKey const& property_k
}
// 10.5.9 [[Set]] ( P, V, Receiver ), https://tc39.es/ecma262/#sec-proxy-object-internal-methods-and-internal-slots-set-p-v-receiver
ThrowCompletionOr<bool> ProxyObject::internal_set(PropertyKey const& property_key, Value value, Value receiver)
ThrowCompletionOr<bool> ProxyObject::internal_set(PropertyKey const& property_key, Value value, Value receiver, CacheablePropertyMetadata*)
{
auto& vm = this->vm();