public void TestFullJit3()
{
VirtualMachine virtualMachine = new VirtualMachine();
int value = 1000;
virtualMachine.SetRegisterValue(Registers.R1, value);
Program testProgram = NiosAssembler.New().AssembleFromLines(
"start: call dec",
"call body",
"bne r0, r1, start",
"body: addi r2, r2, 1",
"ret",
"dec: addi r1, r1, -1",
"ret");
FullJITCompiler jitCompiler = new FullJITCompiler(virtualMachine);
Instruction[] funcBody = testProgram.GetInstructions();
var jittedProgram = jitCompiler.GenerateProgram(
"test_program",
funcBody,
testProgram.FunctionTable);
jitCompiler.RunJittedProgram(jittedProgram);
Assert.AreEqual(virtualMachine.GetRegisterValue(Registers.R1), 0);
Assert.AreEqual(virtualMachine.GetRegisterValue(Registers.R2), value);
}
public void TestFullJit2()
{
VirtualMachine virtualMachine = new VirtualMachine();
int value = 15464;
int value2 = 435351;
uint memAddr = 1024;
virtualMachine.SetRegisterValue(Registers.R1, (int)memAddr);
virtualMachine.WriteWordToMemory(memAddr, value);
virtualMachine.SetRegisterValue(Registers.R3, value2);
Program testProgram = NiosAssembler.New().AssembleFromLines(
"ldw r2, 0(r1)",
"stw r3, 0(r1)");
FullJITCompiler jitCompiler = new FullJITCompiler(virtualMachine);
Instruction[] funcBody = testProgram.GetInstructions();
var jittedProgram = jitCompiler.GenerateProgram(
"test_program",
funcBody,
testProgram.FunctionTable);
jitCompiler.RunJittedProgram(jittedProgram);
Assert.AreEqual(value, virtualMachine.GetRegisterValue(Registers.R2));
Assert.AreEqual(value2, virtualMachine.ReadWordFromMemory(memAddr));
}
public void TestBenchmark()
{
VirtualMachine virtualMachine = new VirtualMachine();
PartialJITCompiler jitCompiler = new PartialJITCompiler(virtualMachine);
FullJITCompiler fullJitCompiler = new FullJITCompiler(virtualMachine);
int count = 2000;
Instruction[] methodBody = new Instruction[]
{
new IFormatInstruction(OperationCodes.Addi.Code(), 1, 1, -1).AsInstruction(),
new IFormatInstruction(OperationCodes.Addi.Code(), 2, 2, 1).AsInstruction(),
new IFormatInstruction(OperationCodes.Bne.Code(), 0, 1, -3 * 4).AsInstruction()
};
var jittedMethod = jitCompiler.GenerateMethod("", methodBody);
TimeSpan jitTime = new TimeSpan();
TimeSpan vmTime = new TimeSpan();
//Partial jitter
virtualMachine.SetRegisterValue(Registers.R1, count);
Stopwatch timer = Stopwatch.StartNew();
jitCompiler.InvokeJitedMethod(jittedMethod);
timer.Stop();
jitTime = timer.Elapsed;
//VM
virtualMachine.SetRegisterValue(Registers.R1, count);
timer = Stopwatch.StartNew();
for (int i = 0; i < methodBody.Length; i++)
{
virtualMachine.ExecuteInstruction(methodBody[i].Data);
}
timer.Stop();
vmTime = timer.Elapsed;
}
public void Initialize()
{
this.virtualMachine = new VirtualMachine();
this.jitCompiler = new FullJITCompiler(this.virtualMachine);
}
