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Code Activity
ladybird/Libraries/LibJS/Bytecode
History
Aliaksandr Kalenik 60bd5012fe LibJS: Optimize array destructuring assignment for builtin iterators 
...by avoiding `{ value, done }` iterator result value allocation. This
change applies the same otimization 81b6a11 added for `for..in` and
`for..of`.

Makes following micro benchmark go 22% faster on my computer:
```js
function f() {
    const arr = [];
    for (let i = 0; i < 10_000_000; i++) {
        arr.push([i]);
    }
    let sum = 0;
    for (let [i] of arr) {
        sum += i;
    }
}

f();
```
2025-05-01 16:57:56 +03:00
..
ASTCodegen.cpp LibJS: Optimize array destructuring assignment for builtin iterators 2025-05-01 16:57:56 +03:00
BasicBlock.cpp
BasicBlock.h LibGC+Everywhere: Factor out a LibGC from LibJS 2024-11-15 14:49:20 +01:00
Builtins.cpp
Builtins.h LibJS: Add builtin for Math.random() 2025-04-03 13:56:39 +02:00
CodeGenerationError.cpp
CodeGenerationError.h
Executable.cpp LibGC+Everywhere: Factor out a LibGC from LibJS 2024-11-15 14:49:20 +01:00
Executable.h LibJS: Add new operand type for function arguments 2025-04-26 11:02:29 +02:00
Generator.cpp LibJS: Mark arguments local as initialized after creating it 2025-04-28 01:23:56 +02:00
Generator.h LibJS: Skip allocating locals for arguments that allowed to be local 2025-04-26 11:02:29 +02:00
IdentifierTable.cpp LibJS: Use FlyString in PropertyKey instead of DeprecatedFlyString 2025-03-24 22:27:17 +00:00
IdentifierTable.h LibJS: Make Optional<IdentifierTableIndex> use less space 2025-03-27 19:50:13 +00:00
Instruction.cpp LibJS: Remove unused InstructionStreamIterator::source_code getter 2025-04-16 10:41:44 -06:00
Instruction.h LibJS: Optimize array destructuring assignment for builtin iterators 2025-05-01 16:57:56 +03:00
Interpreter.cpp LibJS: Optimize array destructuring assignment for builtin iterators 2025-05-01 16:57:56 +03:00
Interpreter.h Revert "LibJS: Add StackFrame to avoid indirection in VM register access" 2025-04-29 16:08:42 +02:00
Label.cpp
Label.h
Op.h LibJS: Optimize array destructuring assignment for builtin iterators 2025-05-01 16:57:56 +03:00
Operand.h LibJS: Add new operand type for function arguments 2025-04-26 11:02:29 +02:00
RegexTable.cpp
RegexTable.h LibJS: Use u32 for RegexTableIndex 2025-04-06 02:05:27 +02:00
Register.h LibJS: Remove unused bytecode VM register reservation 2025-04-30 09:38:40 +02:00
ScopedOperand.cpp
ScopedOperand.h
StringTable.cpp LibJS: Make Optional<StringTableIndex> use less space 2025-04-06 02:05:27 +02:00
StringTable.h LibJS: Make Optional<StringTableIndex> use less space 2025-04-06 02:05:27 +02:00