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LibJS/JIT: Compile the GetCalleeAndThisFromEnvironment instruction

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This commit is contained in:
Andreas Kling 2023-10-27 13:48:07 +02:00
parent dabaaabfc0
commit 935d67cfcf
6 changed files with 94 additions and 38 deletions
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34
Userland/Libraries/LibJS/JIT/Compiler.cpp
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@ -674,6 +674,37 @@ void Compiler::compile_get_variable(Bytecode::Op::GetVariable const& op)
check_exception();
}
static Value cxx_get_callee_and_this_from_environment(VM& vm, DeprecatedFlyString const& name, u32 cache_index, Bytecode::Register callee_reg, Bytecode::Register this_reg)
{
auto& bytecode_interpreter = vm.bytecode_interpreter();
auto callee_and_this = TRY_OR_SET_EXCEPTION(Bytecode::get_callee_and_this_from_environment(
bytecode_interpreter,
name,
cache_index));
bytecode_interpreter.reg(callee_reg) = callee_and_this.callee;
bytecode_interpreter.reg(this_reg) = callee_and_this.this_value;
return {};
}
void Compiler::compile_get_callee_and_this_from_environment(Bytecode::Op::GetCalleeAndThisFromEnvironment 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.mov(
Assembler::Operand::Register(ARG3),
Assembler::Operand::Imm64(op.callee().index()));
m_assembler.mov(
Assembler::Operand::Register(ARG4),
Assembler::Operand::Imm64(op.this_().index()));
m_assembler.native_call((void*)cxx_get_callee_and_this_from_environment);
check_exception();
}
static Value cxx_to_numeric(VM& vm, Value value)
{
return TRY_OR_SET_EXCEPTION(value.to_numeric(vm));
@ -924,6 +955,9 @@ OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable& bytecode_execut
case Bytecode::Instruction::Type::GetVariable:
compiler.compile_get_variable(static_cast<Bytecode::Op::GetVariable const&>(op));
break;
case Bytecode::Instruction::Type::GetCalleeAndThisFromEnvironment:
compiler.compile_get_callee_and_this_from_environment(static_cast<Bytecode::Op::GetCalleeAndThisFromEnvironment const&>(op));
break;
case Bytecode::Instruction::Type::PutById:
compiler.compile_put_by_id(static_cast<Bytecode::Op::PutById const&>(op));
break;