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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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2
Userland/Libraries/LibJS/Bytecode/CommonImplementations.h
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@ -16,7 +16,7 @@ ThrowCompletionOr<NonnullGCPtr<Object>> base_object_for_get(VM&, Value base_valu
ThrowCompletionOr<Value> get_by_id(VM&, DeprecatedFlyString const& property, Value base_value, Value this_value, PropertyLookupCache&);
ThrowCompletionOr<Value> get_by_value(VM&, Value base_value, Value property_key_value);
ThrowCompletionOr<Value> get_global(Bytecode::Interpreter&, DeprecatedFlyString const& identifier, GlobalVariableCache&);
ThrowCompletionOr<void> put_by_property_key(VM&, Value base, Value this_value, Value value, PropertyKey name, Op::PropertyKind kind);
ThrowCompletionOr<void> put_by_property_key(VM&, Value base, Value this_value, Value value, PropertyKey name, Op::PropertyKind kind, PropertyLookupCache* = nullptr);
ThrowCompletionOr<Value> perform_call(Interpreter&, Value this_value, Op::CallType, Value callee, MarkedVector<Value> argument_values);
ThrowCompletionOr<void> throw_if_needed_for_call(Interpreter&, Value callee, Op::CallType, Optional<StringTableIndex> const& expression_string);
ThrowCompletionOr<Value> typeof_variable(VM&, DeprecatedFlyString const&);