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LibJS: Use u32 for the JS::Shape property count
We don't need to support more than 2^32 object properties anyway, so there's no point in using 64-bit property counts. This small reduction in memory usage makes test-js run ~10% faster on x86_64 locally.
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2 changed files with 9 additions and 10 deletions
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@ -19,7 +19,7 @@
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namespace JS {
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struct PropertyMetadata {
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size_t offset { 0 };
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u32 offset { 0 };
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PropertyAttributes attributes { 0 };
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};
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@ -70,7 +70,7 @@ public:
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Optional<PropertyMetadata> lookup(const StringOrSymbol&) const;
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const HashMap<StringOrSymbol, PropertyMetadata>& property_table() const;
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size_t property_count() const;
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u32 property_count() const { return m_property_count; }
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struct Property {
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StringOrSymbol key;
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@ -107,7 +107,7 @@ private:
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Shape* m_previous { nullptr };
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StringOrSymbol m_property_name;
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Object* m_prototype { nullptr };
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size_t m_property_count { 0 };
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u32 m_property_count { 0 };
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PropertyAttributes m_attributes { 0 };
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TransitionType m_transition_type : 6 { TransitionType::Invalid };
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