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LibJS/JIT: Support the GetVariable bytecode instruction

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This commit is contained in:
Andreas Kling 2023-10-27 13:37:29 +02:00
parent 17657d012f
commit dabaaabfc0
5 changed files with 47 additions and 21 deletions
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21
Userland/Libraries/LibJS/JIT/Compiler.cpp
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@ -656,6 +656,24 @@ void Compiler::compile_get_global(Bytecode::Op::GetGlobal const& op)
check_exception();
}
static Value cxx_get_variable(VM& vm, DeprecatedFlyString const& name, u32 cache_index)
{
return TRY_OR_SET_EXCEPTION(Bytecode::get_variable(vm.bytecode_interpreter(), name, cache_index));
}
void Compiler::compile_get_variable(Bytecode::Op::GetVariable const& op)
{
m_assembler.mov(
Assembler::Operand::Register(ARG1),
Assembler::Operand::Imm64(bit_cast<u64>(&m_bytecode_executable.get_identifier(op.identifier()))));
m_assembler.mov(
Assembler::Operand::Register(ARG2),
Assembler::Operand::Imm64(op.cache_index()));
m_assembler.native_call((void*)cxx_get_variable);
store_vm_register(Bytecode::Register::accumulator(), RET);
check_exception();
}
static Value cxx_to_numeric(VM& vm, Value value)
{
return TRY_OR_SET_EXCEPTION(value.to_numeric(vm));
@ -903,6 +921,9 @@ OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable& bytecode_execut
case Bytecode::Instruction::Type::GetGlobal:
compiler.compile_get_global(static_cast<Bytecode::Op::GetGlobal const&>(op));
break;
case Bytecode::Instruction::Type::GetVariable:
compiler.compile_get_variable(static_cast<Bytecode::Op::GetVariable const&>(op));
break;
case Bytecode::Instruction::Type::PutById:
compiler.compile_put_by_id(static_cast<Bytecode::Op::PutById const&>(op));
break;