private static void EmitMathOp3(AILEmitterCtx Context, string Name)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
Context.EmitLdvecsf(Op.Rn);
Context.EmitLdvecsf(Op.Rm);
MethodInfo MthdInfo;
if (Op.Size == 0)
{
MthdInfo = typeof(MathF).GetMethod(Name, new Type[] { typeof(float), typeof(float) });
}
else if (Op.Size == 1)
{
MthdInfo = typeof(Math).GetMethod(Name, new Type[] { typeof(double), typeof(double) });
}
else
{
throw new InvalidOperationException();
}
Context.EmitCall(MthdInfo);
Context.EmitStvecsf(Op.Rd);
}
public static void Fnmul_S(AILEmitterCtx Context)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
Context.EmitLdvecsf(Op.Rn);
Context.EmitLdvecsf(Op.Rm);
Context.Emit(OpCodes.Mul);
Context.Emit(OpCodes.Neg);
Context.EmitStvecsf(Op.Rd);
}
public static void Frintm_S(AILEmitterCtx Context)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
Context.EmitLdvecsf(Op.Rn);
MethodInfo MthdInfo;
if (Op.Size == 0)
{
MthdInfo = typeof(MathF).GetMethod(nameof(MathF.Floor), new Type[] { typeof(float) });
}
else if (Op.Size == 1)
{
MthdInfo = typeof(Math).GetMethod(nameof(Math.Floor), new Type[] { typeof(double) });
}
else
{
throw new InvalidOperationException();
}
Context.EmitCall(MthdInfo);
Context.EmitStvecsf(Op.Rd);
}
public static void Frinta_S(AILEmitterCtx Context)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
Context.EmitLdvecsf(Op.Rn);
Context.EmitLdc_I4((int)MidpointRounding.AwayFromZero);
MethodInfo MthdInfo;
if (Op.Size == 0)
{
Type[] Types = new Type[] { typeof(float), typeof(MidpointRounding) };
MthdInfo = typeof(MathF).GetMethod(nameof(MathF.Round), Types);
}
else if (Op.Size == 1)
{
Type[] Types = new Type[] { typeof(double), typeof(MidpointRounding) };
MthdInfo = typeof(Math).GetMethod(nameof(Math.Round), Types);
}
else
{
throw new InvalidOperationException();
}
Context.EmitCall(MthdInfo);
Context.EmitStvecsf(Op.Rd);
}
public static void Fmov_S(AILEmitterCtx Context)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
Context.EmitLdvecsf(Op.Rn);
Context.EmitStvecsf(Op.Rd);
}
private static void EmitScalarOp(AILEmitterCtx Context, OpCode ILOp)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
Context.EmitLdvecsf(Op.Rn);
//Negate and Not are the only unary operations supported on IL.
//"Not" doesn't work with floats, so we don't need to compare it.
if (ILOp != OpCodes.Neg)
{
Context.EmitLdvecsf(Op.Rm);
}
Context.Emit(ILOp);
Context.EmitStvecsf(Op.Rd);
}
private static void EmitMathOp2(AILEmitterCtx Context, string Name)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
Context.EmitLdvecsf(Op.Rn);
EmitMathOpCall(Context, Name);
Context.EmitStvecsf(Op.Rd);
}
public static void Fcvt_S(AILEmitterCtx Context)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
Context.EmitLdvecsf(Op.Rn);
EmitFloatCast(Context, Op.Opc);
Context.EmitStvecsf(Op.Rd);
}
public static void Fcsel_S(AILEmitterCtx Context)
{
AOpCodeSimdFcond Op = (AOpCodeSimdFcond)Context.CurrOp;
AILLabel LblTrue = new AILLabel();
AILLabel LblEnd = new AILLabel();
Context.EmitCondBranch(LblTrue, Op.Cond);
Context.EmitLdvecsf(Op.Rm);
Context.EmitStvecsf(Op.Rd);
Context.Emit(OpCodes.Br_S, LblEnd);
Context.MarkLabel(LblTrue);
Context.EmitLdvecsf(Op.Rn);
Context.EmitStvecsf(Op.Rd);
Context.MarkLabel(LblEnd);
}
public static void EmitMathOpCvtToInt(AILEmitterCtx Context, string Name)
{
AOpCodeSimdCvt Op = (AOpCodeSimdCvt)Context.CurrOp;
Context.EmitLdvecsf(Op.Rn);
EmitMathOpCall(Context, Name);
EmitCvtToInt(Context, Op.Size);
Context.EmitStintzr(Op.Rd);
}
private static void EmitFcvtz_(AILEmitterCtx Context, bool Signed)
{
AOpCodeSimdCvt Op = (AOpCodeSimdCvt)Context.CurrOp;
Context.EmitLdvecsf(Op.Rn);
if (Signed)
{
EmitCvtToInt(Context, Op.Size);
}
else
{
EmitCvtToUInt(Context, Op.Size);
}
Context.EmitStintzr(Op.Rd);
}
private static void EmitNaNCheck(AILEmitterCtx Context, int Index)
{
IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
Context.EmitLdvecsf(Index);
if (Op.Size == 0)
{
Context.EmitCall(typeof(float), nameof(float.IsNaN));
}
else if (Op.Size == 1)
{
Context.EmitCall(typeof(double), nameof(double.IsNaN));
}
else
{
throw new InvalidOperationException();
}
}
private static void EmitFcvtz__Fix(AILEmitterCtx Context, bool Signed)
{
AOpCodeSimdCvt Op = (AOpCodeSimdCvt)Context.CurrOp;
Context.EmitLdvecsf(Op.Rn);
EmitLdcImmF(Context, 1L << Op.FBits, Op.Size);
Context.Emit(OpCodes.Mul);
if (Signed)
{
EmitCvtToInt(Context, Op.Size);
}
else
{
EmitCvtToUInt(Context, Op.Size);
}
Context.EmitStintzr(Op.Rd);
}
public static void Fcmp_S(AILEmitterCtx Context)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
bool CmpWithZero = !(Op is AOpCodeSimdFcond) ? Op.Bit3 : false;
//todo
//Context.TryMarkCondWithoutCmp();
void EmitLoadOpers()
{
Context.EmitLdvecsf(Op.Rn);
if (CmpWithZero)
{
EmitLdcImmF(Context, 0, Op.Size);
}
else
{
Context.EmitLdvecsf(Op.Rm);
}
}
//Z = Rn == Rm
EmitLoadOpers();
Context.Emit(OpCodes.Ceq);
Context.Emit(OpCodes.Dup);
Context.EmitStflg((int)APState.ZBit);
//C = Rn >= Rm
EmitLoadOpers();
Context.Emit(OpCodes.Cgt);
Context.Emit(OpCodes.Or);
Context.EmitStflg((int)APState.CBit);
//N = Rn < Rm
EmitLoadOpers();
Context.Emit(OpCodes.Clt);
Context.EmitStflg((int)APState.NBit);
//Handle NaN case. If any number is NaN, then NZCV = 0011.
AILLabel LblNotNaN = new AILLabel();
if (CmpWithZero)
{
EmitNaNCheck(Context, Op.Rn);
}
else
{
EmitNaNCheck(Context, Op.Rn);
EmitNaNCheck(Context, Op.Rm);
Context.Emit(OpCodes.Or);
}
Context.Emit(OpCodes.Brfalse_S, LblNotNaN);
Context.EmitLdc_I4(1);
Context.EmitLdc_I4(1);
Context.EmitStflg((int)APState.CBit);
Context.EmitStflg((int)APState.VBit);
Context.MarkLabel(LblNotNaN);
}
