private static Operand[] GetHfmaSrcC(EmitterContext context)
{
IOpCodeHfma op = (IOpCodeHfma)context.CurrOp;
Operand[] operands = GetHalfSources(context, GetSrcC(context), op.SwizzleC);
return(FPAbsNeg(context, operands, false, op.NegateC));
}
private static Operand[] GetHfmaSrcB(EmitterContext context)
{
IOpCodeHfma op = (IOpCodeHfma)context.CurrOp;
Operand[] operands = GetHalfUnpacked(context, GetSrcB(context), op.SwizzleB);
return(FPAbsNeg(context, operands, false, op.NegateB));
}
public static void Hfma2(EmitterContext context)
{
IOpCodeHfma op = (IOpCodeHfma)context.CurrOp;
Operand[] srcA = GetHfmaSrcA(context);
Operand[] srcB = GetHfmaSrcB(context);
Operand[] srcC = GetHfmaSrcC(context);
Operand[] res = new Operand[2];
for (int index = 0; index < res.Length; index++)
{
res[index] = context.FPFusedMultiplyAdd(srcA[index], srcB[index], srcC[index]);
res[index] = context.FPSaturate(res[index], op.Saturate);
}
context.Copy(GetDest(context), GetHalfPacked(context, res));
}
private static Operand[] GetHfmaSrcA(EmitterContext context)
{
IOpCodeHfma op = (IOpCodeHfma)context.CurrOp;
return(GetHalfSources(context, GetSrcA(context), op.SwizzleA));
}