コード例 #1
0
        public static void Shfl(EmitterContext context)
        {
            OpCodeShuffle op = (OpCodeShuffle)context.CurrOp;

            Operand pred = Register(op.Predicate48);

            Operand srcA = GetSrcA(context);

            Operand srcB = op.IsBImmediate ? Const(op.ImmediateB) : Register(op.Rb);
            Operand srcC = op.IsCImmediate ? Const(op.ImmediateC) : Register(op.Rc);

            Operand res = null;

            switch (op.ShuffleType)
            {
            case ShuffleType.Indexed:
                res = context.Shuffle(srcA, srcB, srcC);
                break;

            case ShuffleType.Up:
                res = context.ShuffleUp(srcA, srcB, srcC);
                break;

            case ShuffleType.Down:
                res = context.ShuffleDown(srcA, srcB, srcC);
                break;

            case ShuffleType.Butterfly:
                res = context.ShuffleXor(srcA, srcB, srcC);
                break;
            }

            context.Copy(GetDest(context), res);
        }
コード例 #2
0
ファイル: InstEmitMove.cs プロジェクト: zpypbr/Ryujinx
        public static void Shfl(EmitterContext context)
        {
            OpCodeShuffle op = (OpCodeShuffle)context.CurrOp;

            Operand pred = Register(op.Predicate48);

            Operand srcA = GetSrcA(context);

            Operand srcB = op.IsBImmediate ? Const(op.ImmediateB) : Register(op.Rb);
            Operand srcC = op.IsCImmediate ? Const(op.ImmediateC) : Register(op.Rc);

            (Operand res, Operand valid) = op.ShuffleType switch
            {
                ShuffleType.Indexed => context.Shuffle(srcA, srcB, srcC),
                ShuffleType.Up => context.ShuffleUp(srcA, srcB, srcC),
                ShuffleType.Down => context.ShuffleDown(srcA, srcB, srcC),
                ShuffleType.Butterfly => context.ShuffleXor(srcA, srcB, srcC),
                _ => (null, null)
            };

            context.Copy(GetDest(context), res);
            context.Copy(pred, valid);
        }