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	 d79438a2a6
			
		
	
	
		d79438a2a6
		
	
	
	
	
		
			
			Merging registers, constants and locals into single vector means: - Better data locality - No need to check type in Interpreter::get() and Interpreter::set() which are very hot functions Performance improvement is visible in almost all Octane and Kraken tests.
		
			
				
	
	
		
			48 lines
		
	
	
	
		
			1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
	
		
			1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2024, Andreas Kling <kling@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/Types.h>
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| #include <LibJS/Forward.h>
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| 
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| namespace JS::Bytecode {
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| 
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| class Operand {
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| public:
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|     enum class Type {
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|         Register,
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|         Local,
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|         Constant,
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|     };
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| 
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|     [[nodiscard]] bool operator==(Operand const&) const = default;
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| 
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|     explicit Operand(Type type, u32 index)
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|         : m_type(type)
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|         , m_index(index)
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|     {
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|     }
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| 
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|     explicit Operand(Register);
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| 
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|     [[nodiscard]] bool is_register() const { return m_type == Type::Register; }
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|     [[nodiscard]] bool is_local() const { return m_type == Type::Local; }
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|     [[nodiscard]] bool is_constant() const { return m_type == Type::Constant; }
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| 
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|     [[nodiscard]] Type type() const { return m_type; }
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|     [[nodiscard]] u32 index() const { return m_index; }
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| 
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|     [[nodiscard]] Register as_register() const;
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| 
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|     void offset_index_by(u32 offset) { m_index += offset; }
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| 
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| private:
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|     Type m_type {};
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|     u32 m_index { 0 };
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| };
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| 
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| }
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