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LibJS/Bytecode: Store labels as basic block index during compilation

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Instead of storing a BasicBlock* and forcing the size of Label to be
sizeof(BasicBlock*), we now store the basic block index as a u32.

This means the final version of the bytecode is able to keep labels
at sizeof(u32), shrinking the size of many instructions. :^)
This commit is contained in:
Andreas Kling 2024-05-06 08:06:56 +02:00
commit 3a73eb99ac
Notes: sideshowbarker 2024-07-16 21:42:29 +09:00
7 changed files with 40 additions and 22 deletions
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9
Userland/Libraries/LibJS/Bytecode/BasicBlock.cpp
View file

@ -10,13 +10,14 @@
namespace JS::Bytecode {
NonnullOwnPtr<BasicBlock> BasicBlock::create(String name)
NonnullOwnPtr<BasicBlock> BasicBlock::create(u32 index, String name)
{
return adopt_own(*new BasicBlock(move(name)));
return adopt_own(*new BasicBlock(index, move(name)));
}
BasicBlock::BasicBlock(String name)
: m_name(move(name))
BasicBlock::BasicBlock(u32 index, String name)
: m_index(index)
, m_name(move(name))
{
}