Ejemplo n.º 1
0
        public static void Lop3(EmitterContext context)
        {
            IOpCodeLop op = (IOpCodeLop)context.CurrOp;

            Operand srcA = GetSrcA(context);
            Operand srcB = GetSrcB(context);
            Operand srcC = GetSrcC(context);

            bool regVariant = op is OpCodeLopReg;

            int truthTable = regVariant
                ? op.RawOpCode.Extract(28, 8)
                : op.RawOpCode.Extract(48, 8);

            Operand res = Lop3Expression.GetFromTruthTable(context, srcA, srcB, srcC, truthTable);

            if (regVariant)
            {
                EmitLopPredWrite(context, op, res, (ConditionalOperation)context.CurrOp.RawOpCode.Extract(36, 2));
            }

            Operand dest = GetDest(context);

            context.Copy(dest, res);

            SetZnFlags(context, dest, op.SetCondCode, op.Extended);
        }
Ejemplo n.º 2
0
        private static void EmitLop3(
            EmitterContext context,
            int truthTable,
            PredicateOp predOp,
            Operand srcA,
            Operand srcB,
            Operand srcC,
            int rd,
            int destPred,
            bool extended,
            bool writeCC)
        {
            Operand res = Lop3Expression.GetFromTruthTable(context, srcA, srcB, srcC, truthTable);

            EmitLopPredWrite(context, res, predOp, destPred);

            context.Copy(GetDest(rd), res);

            SetZnFlags(context, res, writeCC, extended);
        }