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LibJS: Devirtualize and pack the bytecode stream :^)

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This patch changes the LibJS bytecode to be a stream of instructions
packed one-after-the-other in contiguous memory, instead of a vector
of OwnPtr<Instruction>. This should be a lot more cache-friendly. :^)

Instructions are also devirtualized and instead have a type field
using a new Instruction::Type enum.

To iterate over a bytecode stream, one must now use
Bytecode::InstructionStreamIterator.
This commit is contained in:
Andreas Kling 2021-06-07 15:12:43 +02:00
parent 845f2826aa
commit e7d69c5d3c
11 changed files with 284 additions and 110 deletions
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2
Userland/Libraries/LibJS/Bytecode/Label.h
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@ -29,6 +29,6 @@ template<>
struct AK::Formatter<JS::Bytecode::Label> : AK::Formatter<FormatString> {
void format(FormatBuilder& builder, JS::Bytecode::Label const& value)
{
return AK::Formatter<FormatString>::format(builder, "@{}", value.address());
return AK::Formatter<FormatString>::format(builder, "@{:x}", value.address());
}
};