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LibJS/JIT: Compile the SetVariable bytecode instruction

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This commit is contained in:
Andreas Kling 2023-10-21 15:34:43 +02:00
parent 393d90abe1
commit 6a16783c66
2 changed files with 31 additions and 0 deletions
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30
Userland/Libraries/LibJS/JIT/Compiler.cpp
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@ -565,6 +565,33 @@ void Compiler::compile_typeof_variable(Bytecode::Op::TypeofVariable const& op)
check_exception();
}
static Value cxx_set_variable(
VM& vm,
DeprecatedFlyString const& identifier,
Value value,
Bytecode::Op::EnvironmentMode environment_mode,
Bytecode::Op::SetVariable::InitializationMode initialization_mode)
{
TRY_OR_SET_EXCEPTION(Bytecode::set_variable(vm, identifier, value, environment_mode, initialization_mode));
return {};
}
void Compiler::compile_set_variable(Bytecode::Op::SetVariable const& op)
{
m_assembler.mov(
Assembler::Operand::Register(ARG1),
Assembler::Operand::Imm64(bit_cast<u64>(&m_bytecode_executable.get_identifier(op.identifier().value()))));
load_vm_register(ARG2, Bytecode::Register::accumulator());
m_assembler.mov(
Assembler::Operand::Register(ARG3),
Assembler::Operand::Imm64(to_underlying(op.mode())));
m_assembler.mov(
Assembler::Operand::Register(ARG4),
Assembler::Operand::Imm64(to_underlying(op.initialization_mode())));
m_assembler.native_call((void*)cxx_set_variable);
check_exception();
}
OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable& bytecode_executable)
{
if (getenv("LIBJS_NO_JIT"))
@ -659,6 +686,9 @@ OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable& bytecode_execut
case Bytecode::Instruction::Type::TypeofVariable:
compiler.compile_typeof_variable(static_cast<Bytecode::Op::TypeofVariable const&>(op));
break;
case Bytecode::Instruction::Type::SetVariable:
compiler.compile_set_variable(static_cast<Bytecode::Op::SetVariable const&>(op));
break;
#define DO_COMPILE_COMMON_BINARY_OP(TitleCaseName, snake_case_name) \
case Bytecode::Instruction::Type::TitleCaseName: \