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LibJS/JIT: Support the Return bytecode op

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This commit is contained in:
Andreas Kling 2023-10-18 12:45:24 +02:00
parent 45be2a8f72
commit efe58ebf2f
2 changed files with 11 additions and 0 deletions
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10
Userland/Libraries/LibJS/JIT/Compiler.cpp
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@ -376,6 +376,13 @@ void Compiler::compile_div(Bytecode::Op::Div const& op)
check_exception(); check_exception();
} }
void Compiler::compile_return(Bytecode::Op::Return const&)
{
load_vm_register(GPR0, Bytecode::Register::accumulator());
store_vm_register(Bytecode::Register::return_value(), GPR0);
m_assembler.exit();
}
OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable const& bytecode_executable) OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable const& bytecode_executable)
{ {
if (getenv("LIBJS_NO_JIT")) if (getenv("LIBJS_NO_JIT"))
@ -449,6 +456,9 @@ OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable const& bytecode_
case Bytecode::Instruction::Type::Div: case Bytecode::Instruction::Type::Div:
compiler.compile_div(static_cast<Bytecode::Op::Div const&>(op)); compiler.compile_div(static_cast<Bytecode::Op::Div const&>(op));
break; break;
case Bytecode::Instruction::Type::Return:
compiler.compile_return(static_cast<Bytecode::Op::Return const&>(op));
break;
default: default:
dbgln("JIT compilation failed: {}", bytecode_executable.name); dbgln("JIT compilation failed: {}", bytecode_executable.name);
dbgln("Unsupported bytecode op: {}", op.to_deprecated_string(bytecode_executable)); dbgln("Unsupported bytecode op: {}", op.to_deprecated_string(bytecode_executable));

1
Userland/Libraries/LibJS/JIT/Compiler.h
View file

@ -45,6 +45,7 @@ private:
void compile_sub(Bytecode::Op::Sub const&); void compile_sub(Bytecode::Op::Sub const&);
void compile_mul(Bytecode::Op::Mul const&); void compile_mul(Bytecode::Op::Mul const&);
void compile_div(Bytecode::Op::Div const&); void compile_div(Bytecode::Op::Div const&);
void compile_return(Bytecode::Op::Return const&);
void store_vm_register(Bytecode::Register, Assembler::Reg); void store_vm_register(Bytecode::Register, Assembler::Reg);
void load_vm_register(Assembler::Reg, Bytecode::Register); void load_vm_register(Assembler::Reg, Bytecode::Register);