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Add FMADD and FMSUB instructions
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parent
768b573772
commit
79f028e410
3 changed files with 37 additions and 2 deletions
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@ -157,6 +157,7 @@ namespace ChocolArm64
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Set("x0011110xx011000xxxxxxxxxxxxxxxx", AInstEmit.Fcvtzs_Fix, typeof(AOpCodeSimdCvt));
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Set("x0011110xx011001xxxxxxxxxxxxxxxx", AInstEmit.Fcvtzu_Fix, typeof(AOpCodeSimdCvt));
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Set("00011110xx1xxxxx000110xxxxxxxxxx", AInstEmit.Fdiv_S, typeof(AOpCodeSimdReg));
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Set("00011111xx0xxxxx0xxxxxxxxxxxxxxx", AInstEmit.Fmadd_S, typeof(AOpCodeSimdReg));
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Set("00011110xx1xxxxx010010xxxxxxxxxx", AInstEmit.Fmax_S, typeof(AOpCodeSimdReg));
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Set("00011110xx1xxxxx011010xxxxxxxxxx", AInstEmit.Fmaxnm_S, typeof(AOpCodeSimdReg));
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Set("00011110xx1xxxxx010110xxxxxxxxxx", AInstEmit.Fmin_S, typeof(AOpCodeSimdReg));
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@ -170,6 +171,7 @@ namespace ChocolArm64
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Set("x0011110xx100111000000xxxxxxxxxx", AInstEmit.Fmov_Itof, typeof(AOpCodeSimdCvt));
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Set("x0011110xx101110000000xxxxxxxxxx", AInstEmit.Fmov_Ftoi1, typeof(AOpCodeSimdCvt));
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Set("x0011110xx101111000000xxxxxxxxxx", AInstEmit.Fmov_Itof1, typeof(AOpCodeSimdCvt));
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Set("00011111xx0xxxxx1xxxxxxxxxxxxxxx", AInstEmit.Fmsub_S, typeof(AOpCodeSimdReg));
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Set("00011110xx1xxxxx000010xxxxxxxxxx", AInstEmit.Fmul_S, typeof(AOpCodeSimdReg));
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Set("0x1011100x1xxxxx110111xxxxxxxxxx", AInstEmit.Fmul_V, typeof(AOpCodeSimdReg));
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Set("0x0011111<<xxxxx1001x0xxxxxxxxxx", AInstEmit.Fmul_Vs, typeof(AOpCodeSimdRegElem));
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@ -4,13 +4,15 @@ namespace ChocolArm64.Decoder
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{
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class AOpCodeSimdReg : AOpCodeSimd
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{
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public int Rm { get; private set; }
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public bool Bit3 { get; private set; }
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public int Ra { get; private set; }
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public int Rm { get; private set; }
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public AOpCodeSimdReg(AInst Inst, long Position, int OpCode) : base(Inst, Position, OpCode)
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{
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Rm = (OpCode >> 16) & 0x1f;
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Bit3 = ((OpCode >> 3) & 0x1) != 0;
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Ra = (OpCode >> 10) & 0x1f;
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Rm = (OpCode >> 16) & 0x1f;
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}
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}
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}
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@ -258,6 +258,20 @@ namespace ChocolArm64.Instruction
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public static void Fdiv_S(AILEmitterCtx Context) => EmitScalarOp(Context, OpCodes.Div);
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public static void Fmadd_S(AILEmitterCtx Context)
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{
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AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
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Context.EmitLdvecsf(Op.Ra);
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Context.EmitLdvecsf(Op.Rn);
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Context.EmitLdvecsf(Op.Rm);
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Context.Emit(OpCodes.Mul);
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Context.Emit(OpCodes.Add);
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Context.EmitStvecsf(Op.Rd);
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}
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public static void Fmax_S(AILEmitterCtx Context) => EmitMathOp3(Context, nameof(Math.Max));
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public static void Fmin_S(AILEmitterCtx Context) => EmitMathOp3(Context, nameof(Math.Min));
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@ -327,6 +341,23 @@ namespace ChocolArm64.Instruction
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Context.EmitStvec(Op.Rd);
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}
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public static void Fmsub_S(AILEmitterCtx Context)
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{
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AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
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Context.EmitLdvecsf(Op.Ra);
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Context.EmitLdvecsf(Op.Rn);
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Context.Emit(OpCodes.Neg);
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Context.EmitLdvecsf(Op.Rm);
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Context.Emit(OpCodes.Mul);
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Context.Emit(OpCodes.Sub);
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Context.EmitStvecsf(Op.Rd);
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}
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public static void Fmul_S(AILEmitterCtx Context) => EmitScalarOp(Context, OpCodes.Mul);
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public static void Fneg_S(AILEmitterCtx Context) => EmitScalarOp(Context, OpCodes.Neg);
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