public override void Emit(InstructionNode node, OpcodeEncoder opcodeEncoder)
{
System.Diagnostics.Debug.Assert(node.ResultCount == 0);
System.Diagnostics.Debug.Assert(node.OperandCount == 1);
if (node.Operand1.IsCPURegister)
{
opcodeEncoder.SuppressByte(0x40);
opcodeEncoder.Append4Bits(0b0100);
opcodeEncoder.Append1Bit(0b0);
opcodeEncoder.Append1Bit(0b0);
opcodeEncoder.Append1Bit(0b0);
opcodeEncoder.Append1Bit((node.Operand1.Register.RegisterCode >> 3) & 0x1);
opcodeEncoder.Append8Bits(0xFF);
opcodeEncoder.Append2Bits(0b11);
opcodeEncoder.Append3Bits(0b100);
opcodeEncoder.Append3Bits(node.Operand1.Register.RegisterCode);
return;
}
if (node.Operand1.IsConstant)
{
opcodeEncoder.Append8Bits(0xE9);
opcodeEncoder.EmitRelative32(node.Operand1);
return;
}
throw new Compiler.Common.Exceptions.CompilerException("Invalid Opcode");
}
public override void Emit(InstructionNode node, OpcodeEncoder opcodeEncoder)
{
System.Diagnostics.Debug.Assert(node.ResultCount == 0);
System.Diagnostics.Debug.Assert(node.OperandCount == 0);
opcodeEncoder.Append8Bits(0xE9);
opcodeEncoder.EmitRelative32(node.BranchTargets[0].Label);
}