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LibWasm: Fix loop arity for single-type blocktypes

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Single-type blocktypes previously gave loop labels an arity of 1, even
though they're shorthand for `[] -> [T]`.
This commit is contained in:
Diego 2024-07-10 14:02:28 -07:00 • committed by Ali Mohammad Pur
parent 625fbc8085
commit d07cf26894
Notes: sideshowbarker 2024-07-18 01:43:16 +09:00
1 changed files with 3 additions and 13 deletions
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16
Userland/Libraries/LibWasm/AbstractMachine/BytecodeInterpreter.cpp
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@ -545,23 +545,13 @@ void BytecodeInterpreter::interpret(Configuration& configuration, InstructionPoi
return;
}
case Instructions::loop.value(): {
size_t arity = 0;
size_t parameter_count = 0;
auto& args = instruction.arguments().get<Instruction::StructuredInstructionArgs>();
switch (args.block_type.kind()) {
case BlockType::Empty:
break;
case BlockType::Type:
arity = 1;
break;
case BlockType::Index: {
size_t arity = 0;
if (args.block_type.kind() == BlockType::Index) {
auto& type = configuration.frame().module().types()[args.block_type.type_index().value()];
arity = type.parameters().size();
parameter_count = type.parameters().size();
}
}
configuration.stack().entries().insert(configuration.stack().size() - parameter_count, Label(arity, ip.value() + 1));
configuration.stack().entries().insert(configuration.stack().size() - arity, Label(arity, ip.value() + 1));
return;
}
case Instructions::if_.value(): {