private static void EmitBinaryHalfOp(ShaderIrBlock Block, long OpCode, ShaderIrInst Inst)
{
bool AbsB = OpCode.Read(30);
bool NegB = OpCode.Read(31);
bool Sat = OpCode.Read(32);
bool AbsA = OpCode.Read(44);
ShaderIrOperGpr[] VecA = OpCode.GprHalfVec8();
ShaderIrOperGpr[] VecB = OpCode.GprHalfVec20();
HalfOutputType OutputType = (HalfOutputType)OpCode.Read(49, 3);
int Elems = OutputType == HalfOutputType.PackedFp16 ? 2 : 1;
int First = OutputType == HalfOutputType.MergeH1 ? 1 : 0;
for (int Index = First; Index < Elems; Index++)
{
ShaderIrNode OperA = GetAluFabs(VecA[Index], AbsA);
ShaderIrNode OperB = GetAluFabsFneg(VecB[Index], AbsB, NegB);
ShaderIrNode Op = new ShaderIrOp(Inst, OperA, OperB);
ShaderIrOperGpr Dst = GetHalfDst(OpCode, OutputType, Index);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(Dst, GetAluFsat(Op, Sat))));
}
}
private static void EmitBinaryHalfOp(ShaderIrBlock block, long opCode, ShaderIrInst inst)
{
bool absB = opCode.Read(30);
bool negB = opCode.Read(31);
bool sat = opCode.Read(32);
bool absA = opCode.Read(44);
ShaderIrOperGpr[] vecA = opCode.GprHalfVec8();
ShaderIrOperGpr[] vecB = opCode.GprHalfVec20();
HalfOutputType outputType = (HalfOutputType)opCode.Read(49, 3);
int elems = outputType == HalfOutputType.PackedFp16 ? 2 : 1;
int first = outputType == HalfOutputType.MergeH1 ? 1 : 0;
for (int index = first; index < elems; index++)
{
ShaderIrNode operA = GetAluFabs(vecA[index], absA);
ShaderIrNode operB = GetAluFabsFneg(vecB[index], absB, negB);
ShaderIrNode op = new ShaderIrOp(inst, operA, operB);
ShaderIrOperGpr dst = GetHalfDst(opCode, outputType, index);
block.AddNode(opCode.PredNode(new ShaderIrAsg(dst, GetAluFsat(op, sat))));
}
}
private static ShaderIrOperGpr GetHalfDst(long OpCode, HalfOutputType OutputType, int Index)
{
switch (OutputType)
{
case HalfOutputType.PackedFp16: return(OpCode.GprHalf0(Index));
case HalfOutputType.Fp32: return(OpCode.Gpr0());
case HalfOutputType.MergeH0: return(OpCode.GprHalf0(0));
case HalfOutputType.MergeH1: return(OpCode.GprHalf0(1));
}
throw new ArgumentException(nameof(OutputType));
}
