private static void EmitFsetp(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
bool Aa = ((OpCode >> 7) & 1) != 0;
bool Np = ((OpCode >> 42) & 1) != 0;
bool Na = ((OpCode >> 43) & 1) != 0;
bool Ab = ((OpCode >> 44) & 1) != 0;
ShaderIrNode OperA = GetOperGpr8(OpCode), OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = GetOperCbuf34(OpCode); break;
case ShaderOper.Immf: OperB = GetOperImmf19_20(OpCode); break;
case ShaderOper.RR: OperB = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
ShaderIrInst CmpInst = GetCmp(OpCode);
ShaderIrOp Op = new ShaderIrOp(CmpInst,
GetAluAbsNeg(OperA, Aa, Na),
GetAluAbs(OperB, Ab));
ShaderIrOperPred P0Node = GetOperPred3(OpCode);
ShaderIrOperPred P1Node = GetOperPred0(OpCode);
ShaderIrOperPred P2Node = GetOperPred39(OpCode);
Block.AddNode(GetPredNode(new ShaderIrAsg(P0Node, Op), OpCode));
ShaderIrInst LopInst = GetBLop(OpCode);
if (LopInst == ShaderIrInst.Band && P1Node.IsConst && P2Node.IsConst)
{
return;
}
ShaderIrNode P2NNode = P2Node;
if (Np)
{
P2NNode = new ShaderIrOp(ShaderIrInst.Bnot, P2NNode);
}
Op = new ShaderIrOp(ShaderIrInst.Bnot, P0Node);
Op = new ShaderIrOp(LopInst, Op, P2NNode);
Block.AddNode(GetPredNode(new ShaderIrAsg(P1Node, Op), OpCode));
Op = new ShaderIrOp(LopInst, P0Node, P2NNode);
Block.AddNode(GetPredNode(new ShaderIrAsg(P0Node, Op), OpCode));
}
public static ShaderIrNode GetPredNode(ShaderIrNode Node, long OpCode)
{
ShaderIrOperPred Pred = GetPredNode(OpCode);
if (Pred.Index != ShaderIrOperPred.UnusedIndex)
{
Node = new ShaderIrCond(Pred, Node);
}
return(Node);
}
public static void Psetp(ShaderIrBlock Block, long OpCode, int Position)
{
bool NegA = OpCode.Read(15);
bool NegB = OpCode.Read(32);
bool NegP = OpCode.Read(42);
ShaderIrInst LopInst = OpCode.BLop24();
ShaderIrNode OperA = OpCode.Pred12();
ShaderIrNode OperB = OpCode.Pred29();
if (NegA)
{
OperA = new ShaderIrOp(ShaderIrInst.Bnot, OperA);
}
if (NegB)
{
OperB = new ShaderIrOp(ShaderIrInst.Bnot, OperB);
}
ShaderIrOp Op = new ShaderIrOp(LopInst, OperA, OperB);
ShaderIrOperPred P0Node = OpCode.Pred3();
ShaderIrOperPred P1Node = OpCode.Pred0();
ShaderIrOperPred P2Node = OpCode.Pred39();
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(P0Node, Op)));
LopInst = OpCode.BLop45();
if (LopInst == ShaderIrInst.Band && P1Node.IsConst && P2Node.IsConst)
{
return;
}
ShaderIrNode P2NNode = P2Node;
if (NegP)
{
P2NNode = new ShaderIrOp(ShaderIrInst.Bnot, P2NNode);
}
Op = new ShaderIrOp(ShaderIrInst.Bnot, P0Node);
Op = new ShaderIrOp(LopInst, Op, P2NNode);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(P1Node, Op)));
Op = new ShaderIrOp(LopInst, P0Node, P2NNode);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(P0Node, Op)));
}
public static void Psetp(ShaderIrBlock Block, long OpCode)
{
bool NegA = ((OpCode >> 15) & 1) != 0;
bool NegB = ((OpCode >> 32) & 1) != 0;
bool NegP = ((OpCode >> 42) & 1) != 0;
ShaderIrInst LopInst = GetBLop24(OpCode);
ShaderIrNode OperA = GetOperPred12(OpCode);
ShaderIrNode OperB = GetOperPred29(OpCode);
if (NegA)
{
OperA = new ShaderIrOp(ShaderIrInst.Bnot, OperA);
}
if (NegB)
{
OperB = new ShaderIrOp(ShaderIrInst.Bnot, OperB);
}
ShaderIrOp Op = new ShaderIrOp(LopInst, OperA, OperB);
ShaderIrOperPred P0Node = GetOperPred3(OpCode);
ShaderIrOperPred P1Node = GetOperPred0(OpCode);
ShaderIrOperPred P2Node = GetOperPred39(OpCode);
Block.AddNode(GetPredNode(new ShaderIrAsg(P0Node, Op), OpCode));
LopInst = GetBLop45(OpCode);
if (LopInst == ShaderIrInst.Band && P1Node.IsConst && P2Node.IsConst)
{
return;
}
ShaderIrNode P2NNode = P2Node;
if (NegP)
{
P2NNode = new ShaderIrOp(ShaderIrInst.Bnot, P2NNode);
}
Op = new ShaderIrOp(ShaderIrInst.Bnot, P0Node);
Op = new ShaderIrOp(LopInst, Op, P2NNode);
Block.AddNode(GetPredNode(new ShaderIrAsg(P1Node, Op), OpCode));
Op = new ShaderIrOp(LopInst, P0Node, P2NNode);
Block.AddNode(GetPredNode(new ShaderIrAsg(P0Node, Op), OpCode));
}
public static void Psetp(ShaderIrBlock block, long opCode, int position)
{
bool negA = opCode.Read(15);
bool negB = opCode.Read(32);
bool negP = opCode.Read(42);
ShaderIrInst lopInst = opCode.BLop24();
ShaderIrNode operA = opCode.Pred12();
ShaderIrNode operB = opCode.Pred29();
if (negA)
{
operA = new ShaderIrOp(ShaderIrInst.Bnot, operA);
}
if (negB)
{
operB = new ShaderIrOp(ShaderIrInst.Bnot, operB);
}
ShaderIrOp op = new ShaderIrOp(lopInst, operA, operB);
ShaderIrOperPred p0Node = opCode.Pred3();
ShaderIrOperPred p1Node = opCode.Pred0();
ShaderIrOperPred p2Node = opCode.Pred39();
block.AddNode(opCode.PredNode(new ShaderIrAsg(p0Node, op)));
lopInst = opCode.BLop45();
if (lopInst == ShaderIrInst.Band && p1Node.IsConst && p2Node.IsConst)
{
return;
}
ShaderIrNode p2NNode = p2Node;
if (negP)
{
p2NNode = new ShaderIrOp(ShaderIrInst.Bnot, p2NNode);
}
op = new ShaderIrOp(ShaderIrInst.Bnot, p0Node);
op = new ShaderIrOp(lopInst, op, p2NNode);
block.AddNode(opCode.PredNode(new ShaderIrAsg(p1Node, op)));
op = new ShaderIrOp(lopInst, p0Node, p2NNode);
block.AddNode(opCode.PredNode(new ShaderIrAsg(p0Node, op)));
}
private static void EmitFmnmx(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
bool NegB = ((OpCode >> 45) & 1) != 0;
bool AbsA = ((OpCode >> 46) & 1) != 0;
bool NegA = ((OpCode >> 48) & 1) != 0;
bool AbsB = ((OpCode >> 49) & 1) != 0;
ShaderIrNode OperA = GetOperGpr8(OpCode), OperB;
OperA = GetAluFabsFneg(OperA, AbsA, NegA);
switch (Oper)
{
case ShaderOper.CR: OperB = GetOperCbuf34(OpCode); break;
case ShaderOper.Immf: OperB = GetOperImmf19_20(OpCode); break;
case ShaderOper.RR: OperB = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
OperB = GetAluFabsFneg(OperB, AbsB, NegB);
ShaderIrOperPred Pred = GetOperPred39(OpCode);
ShaderIrOp Op;
if (Pred.IsConst)
{
bool IsMax = ((OpCode >> 42) & 1) != 0;
Op = new ShaderIrOp(IsMax
? ShaderIrInst.Fmax
: ShaderIrInst.Fmin, OperA, OperB);
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Op), OpCode));
}
else
{
ShaderIrNode PredN = GetOperPred39N(OpCode);
ShaderIrOp OpMax = new ShaderIrOp(ShaderIrInst.Fmax, OperA, OperB);
ShaderIrOp OpMin = new ShaderIrOp(ShaderIrInst.Fmin, OperA, OperB);
ShaderIrAsg AsgMax = new ShaderIrAsg(GetOperGpr0(OpCode), OpMax);
ShaderIrAsg AsgMin = new ShaderIrAsg(GetOperGpr0(OpCode), OpMin);
Block.AddNode(GetPredNode(new ShaderIrCond(PredN, AsgMax, Not: true), OpCode));
Block.AddNode(GetPredNode(new ShaderIrCond(PredN, AsgMin, Not: false), OpCode));
}
}
private static ShaderIrNode PredNode(this long OpCode, ShaderIrNode Node)
{
ShaderIrOperPred Pred = OpCode.PredNode();
if (Pred.Index != ShaderIrOperPred.UnusedIndex)
{
bool Inv = OpCode.Read(19);
Node = new ShaderIrCond(Pred, Node, Inv);
}
return(Node);
}
private static ShaderIrNode PredNode(this long opCode, ShaderIrNode node)
{
ShaderIrOperPred pred = opCode.PredNode();
if (pred.Index != ShaderIrOperPred.UnusedIndex)
{
bool inv = opCode.Read(19);
node = new ShaderIrCond(pred, node, inv);
}
return(node);
}
public static ShaderIrNode GetPredNode(ShaderIrNode Node, long OpCode)
{
ShaderIrOperPred Pred = GetPredNode(OpCode);
if (Pred.Index != ShaderIrOperPred.UnusedIndex)
{
bool Inv = ((OpCode >> 19) & 1) != 0;
Node = new ShaderIrCond(Pred, Node, Inv);
}
return(Node);
}
private static void EmitSet(ShaderIrBlock Block, long OpCode, bool IsFloat, ShaderOper Oper)
{
bool NegA = OpCode.Read(43);
bool AbsB = OpCode.Read(44);
bool NegB = OpCode.Read(53);
bool AbsA = OpCode.Read(54);
bool BoolFloat = OpCode.Read(IsFloat ? 52 : 44);
ShaderIrNode OperA = OpCode.Gpr8(), OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = OpCode.Cbuf34(); break;
case ShaderOper.Imm: OperB = OpCode.Imm19_20(); break;
case ShaderOper.Immf: OperB = OpCode.Immf19_20(); break;
case ShaderOper.RR: OperB = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
ShaderIrInst CmpInst;
if (IsFloat)
{
OperA = GetAluFabsFneg(OperA, AbsA, NegA);
OperB = GetAluFabsFneg(OperB, AbsB, NegB);
CmpInst = OpCode.CmpF();
}
else
{
CmpInst = OpCode.Cmp();
}
ShaderIrOp Op = new ShaderIrOp(CmpInst, OperA, OperB);
ShaderIrInst LopInst = OpCode.BLop45();
ShaderIrOperPred PNode = OpCode.Pred39();
ShaderIrNode Imm0, Imm1;
if (BoolFloat)
{
Imm0 = new ShaderIrOperImmf(0);
Imm1 = new ShaderIrOperImmf(1);
}
else
{
Imm0 = new ShaderIrOperImm(0);
Imm1 = new ShaderIrOperImm(-1);
}
ShaderIrNode Asg0 = new ShaderIrAsg(OpCode.Gpr0(), Imm0);
ShaderIrNode Asg1 = new ShaderIrAsg(OpCode.Gpr0(), Imm1);
if (LopInst != ShaderIrInst.Band || !PNode.IsConst)
{
ShaderIrOp Op2 = new ShaderIrOp(LopInst, Op, PNode);
Asg0 = new ShaderIrCond(Op2, Asg0, Not: true);
Asg1 = new ShaderIrCond(Op2, Asg1, Not: false);
}
else
{
Asg0 = new ShaderIrCond(Op, Asg0, Not: true);
Asg1 = new ShaderIrCond(Op, Asg1, Not: false);
}
Block.AddNode(OpCode.PredNode(Asg0));
Block.AddNode(OpCode.PredNode(Asg1));
}
private static void EmitMnmx(ShaderIrBlock Block, long OpCode, bool IsFloat, ShaderOper Oper)
{
bool NegB = OpCode.Read(45);
bool AbsA = OpCode.Read(46);
bool NegA = OpCode.Read(48);
bool AbsB = OpCode.Read(49);
ShaderIrNode OperA = OpCode.Gpr8(), OperB;
if (IsFloat)
{
OperA = GetAluFabsFneg(OperA, AbsA, NegA);
}
else
{
OperA = GetAluIabsIneg(OperA, AbsA, NegA);
}
switch (Oper)
{
case ShaderOper.CR: OperB = OpCode.Cbuf34(); break;
case ShaderOper.Imm: OperB = OpCode.Imm19_20(); break;
case ShaderOper.Immf: OperB = OpCode.Immf19_20(); break;
case ShaderOper.RR: OperB = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
if (IsFloat)
{
OperB = GetAluFabsFneg(OperB, AbsB, NegB);
}
else
{
OperB = GetAluIabsIneg(OperB, AbsB, NegB);
}
ShaderIrOperPred Pred = OpCode.Pred39();
ShaderIrOp Op;
ShaderIrInst MaxInst = IsFloat ? ShaderIrInst.Fmax : ShaderIrInst.Max;
ShaderIrInst MinInst = IsFloat ? ShaderIrInst.Fmin : ShaderIrInst.Min;
if (Pred.IsConst)
{
bool IsMax = OpCode.Read(42);
Op = new ShaderIrOp(IsMax
? MaxInst
: MinInst, OperA, OperB);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), Op)));
}
else
{
ShaderIrNode PredN = OpCode.Pred39N();
ShaderIrOp OpMax = new ShaderIrOp(MaxInst, OperA, OperB);
ShaderIrOp OpMin = new ShaderIrOp(MinInst, OperA, OperB);
ShaderIrAsg AsgMax = new ShaderIrAsg(OpCode.Gpr0(), OpMax);
ShaderIrAsg AsgMin = new ShaderIrAsg(OpCode.Gpr0(), OpMin);
Block.AddNode(OpCode.PredNode(new ShaderIrCond(PredN, AsgMax, Not: true)));
Block.AddNode(OpCode.PredNode(new ShaderIrCond(PredN, AsgMin, Not: false)));
}
}
private static void EmitSetp(ShaderIrBlock Block, long OpCode, bool IsFloat, ShaderOper Oper)
{
bool AbsA = OpCode.Read(7);
bool NegP = OpCode.Read(42);
bool NegA = OpCode.Read(43);
bool AbsB = OpCode.Read(44);
ShaderIrNode OperA = OpCode.Gpr8(), OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = OpCode.Cbuf34(); break;
case ShaderOper.Imm: OperB = OpCode.Imm19_20(); break;
case ShaderOper.Immf: OperB = OpCode.Immf19_20(); break;
case ShaderOper.RR: OperB = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
ShaderIrInst CmpInst;
if (IsFloat)
{
OperA = GetAluFabsFneg(OperA, AbsA, NegA);
OperB = GetAluFabs(OperB, AbsB);
CmpInst = OpCode.CmpF();
}
else
{
CmpInst = OpCode.Cmp();
}
ShaderIrOp Op = new ShaderIrOp(CmpInst, OperA, OperB);
ShaderIrOperPred P0Node = OpCode.Pred3();
ShaderIrOperPred P1Node = OpCode.Pred0();
ShaderIrOperPred P2Node = OpCode.Pred39();
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(P0Node, Op)));
ShaderIrInst LopInst = OpCode.BLop45();
if (LopInst == ShaderIrInst.Band && P1Node.IsConst && P2Node.IsConst)
{
return;
}
ShaderIrNode P2NNode = P2Node;
if (NegP)
{
P2NNode = new ShaderIrOp(ShaderIrInst.Bnot, P2NNode);
}
Op = new ShaderIrOp(ShaderIrInst.Bnot, P0Node);
Op = new ShaderIrOp(LopInst, Op, P2NNode);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(P1Node, Op)));
Op = new ShaderIrOp(LopInst, P0Node, P2NNode);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(P0Node, Op)));
}
private static void EmitSet(ShaderIrBlock Block, long OpCode, bool IsFloat, ShaderOper Oper)
{
bool Na = ((OpCode >> 43) & 1) != 0;
bool Ab = ((OpCode >> 44) & 1) != 0;
bool Nb = ((OpCode >> 53) & 1) != 0;
bool Aa = ((OpCode >> 54) & 1) != 0;
ShaderIrNode OperA = GetOperGpr8(OpCode), OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = GetOperCbuf34(OpCode); break;
case ShaderOper.Imm: OperB = GetOperImm19_20(OpCode); break;
case ShaderOper.Immf: OperB = GetOperImmf19_20(OpCode); break;
case ShaderOper.RR: OperB = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
ShaderIrInst CmpInst;
if (IsFloat)
{
OperA = GetAluAbsNeg(OperA, Aa, Na);
OperB = GetAluAbsNeg(OperB, Ab, Nb);
CmpInst = GetCmpF(OpCode);
}
else
{
CmpInst = GetCmp(OpCode);
}
ShaderIrOp Op = new ShaderIrOp(CmpInst, OperA, OperB);
ShaderIrInst LopInst = GetBLop(OpCode);
ShaderIrOperPred PNode = GetOperPred39(OpCode);
ShaderIrOperImmf Imm0 = new ShaderIrOperImmf(0);
ShaderIrOperImmf Imm1 = new ShaderIrOperImmf(1);
ShaderIrNode Asg0 = new ShaderIrAsg(GetOperGpr0(OpCode), Imm0);
ShaderIrNode Asg1 = new ShaderIrAsg(GetOperGpr0(OpCode), Imm1);
if (LopInst != ShaderIrInst.Band || !PNode.IsConst)
{
ShaderIrOp Op2 = new ShaderIrOp(LopInst, Op, PNode);
Asg0 = new ShaderIrCond(Op2, Asg0, Not: true);
Asg1 = new ShaderIrCond(Op2, Asg1, Not: false);
}
else
{
Asg0 = new ShaderIrCond(Op, Asg0, Not: true);
Asg1 = new ShaderIrCond(Op, Asg1, Not: false);
}
Block.AddNode(GetPredNode(Asg0, OpCode));
Block.AddNode(GetPredNode(Asg1, OpCode));
}
private static void EmitSet(ShaderIrBlock block, long opCode, bool isFloat, ShaderOper oper)
{
bool negA = opCode.Read(43);
bool absB = opCode.Read(44);
bool negB = opCode.Read(53);
bool absA = opCode.Read(54);
bool boolFloat = opCode.Read(isFloat ? 52 : 44);
ShaderIrNode operA = opCode.Gpr8(), operB;
switch (oper)
{
case ShaderOper.Cr: operB = opCode.Cbuf34(); break;
case ShaderOper.Imm: operB = opCode.Imm19_20(); break;
case ShaderOper.Immf: operB = opCode.Immf19_20(); break;
case ShaderOper.Rr: operB = opCode.Gpr20(); break;
default: throw new ArgumentException(nameof(oper));
}
ShaderIrInst cmpInst;
if (isFloat)
{
operA = GetAluFabsFneg(operA, absA, negA);
operB = GetAluFabsFneg(operB, absB, negB);
cmpInst = opCode.CmpF();
}
else
{
cmpInst = opCode.Cmp();
}
ShaderIrOp op = new ShaderIrOp(cmpInst, operA, operB);
ShaderIrInst lopInst = opCode.BLop45();
ShaderIrOperPred pNode = opCode.Pred39();
ShaderIrNode imm0, imm1;
if (boolFloat)
{
imm0 = new ShaderIrOperImmf(0);
imm1 = new ShaderIrOperImmf(1);
}
else
{
imm0 = new ShaderIrOperImm(0);
imm1 = new ShaderIrOperImm(-1);
}
ShaderIrNode asg0 = new ShaderIrAsg(opCode.Gpr0(), imm0);
ShaderIrNode asg1 = new ShaderIrAsg(opCode.Gpr0(), imm1);
if (lopInst != ShaderIrInst.Band || !pNode.IsConst)
{
ShaderIrOp op2 = new ShaderIrOp(lopInst, op, pNode);
asg0 = new ShaderIrCond(op2, asg0, not: true);
asg1 = new ShaderIrCond(op2, asg1, not: false);
}
else
{
asg0 = new ShaderIrCond(op, asg0, not: true);
asg1 = new ShaderIrCond(op, asg1, not: false);
}
block.AddNode(opCode.PredNode(asg0));
block.AddNode(opCode.PredNode(asg1));
}
private static void EmitMnmx(ShaderIrBlock block, long opCode, bool isFloat, ShaderOper oper)
{
bool negB = opCode.Read(45);
bool absA = opCode.Read(46);
bool negA = opCode.Read(48);
bool absB = opCode.Read(49);
ShaderIrNode operA = opCode.Gpr8(), operB;
if (isFloat)
{
operA = GetAluFabsFneg(operA, absA, negA);
}
else
{
operA = GetAluIabsIneg(operA, absA, negA);
}
switch (oper)
{
case ShaderOper.Cr: operB = opCode.Cbuf34(); break;
case ShaderOper.Imm: operB = opCode.Imm19_20(); break;
case ShaderOper.Immf: operB = opCode.Immf19_20(); break;
case ShaderOper.Rr: operB = opCode.Gpr20(); break;
default: throw new ArgumentException(nameof(oper));
}
if (isFloat)
{
operB = GetAluFabsFneg(operB, absB, negB);
}
else
{
operB = GetAluIabsIneg(operB, absB, negB);
}
ShaderIrOperPred pred = opCode.Pred39();
ShaderIrOp op;
ShaderIrInst maxInst = isFloat ? ShaderIrInst.Fmax : ShaderIrInst.Max;
ShaderIrInst minInst = isFloat ? ShaderIrInst.Fmin : ShaderIrInst.Min;
if (pred.IsConst)
{
bool isMax = opCode.Read(42);
op = new ShaderIrOp(isMax
? maxInst
: minInst, operA, operB);
block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op)));
}
else
{
ShaderIrNode predN = opCode.Pred39N();
ShaderIrOp opMax = new ShaderIrOp(maxInst, operA, operB);
ShaderIrOp opMin = new ShaderIrOp(minInst, operA, operB);
ShaderIrAsg asgMax = new ShaderIrAsg(opCode.Gpr0(), opMax);
ShaderIrAsg asgMin = new ShaderIrAsg(opCode.Gpr0(), opMin);
block.AddNode(opCode.PredNode(new ShaderIrCond(predN, asgMax, not: true)));
block.AddNode(opCode.PredNode(new ShaderIrCond(predN, asgMin, not: false)));
}
}
private static void EmitSetp(ShaderIrBlock block, long opCode, bool isFloat, ShaderOper oper)
{
bool absA = opCode.Read(7);
bool negP = opCode.Read(42);
bool negA = opCode.Read(43);
bool absB = opCode.Read(44);
ShaderIrNode operA = opCode.Gpr8(), operB;
switch (oper)
{
case ShaderOper.Cr: operB = opCode.Cbuf34(); break;
case ShaderOper.Imm: operB = opCode.Imm19_20(); break;
case ShaderOper.Immf: operB = opCode.Immf19_20(); break;
case ShaderOper.Rr: operB = opCode.Gpr20(); break;
default: throw new ArgumentException(nameof(oper));
}
ShaderIrInst cmpInst;
if (isFloat)
{
operA = GetAluFabsFneg(operA, absA, negA);
operB = GetAluFabs(operB, absB);
cmpInst = opCode.CmpF();
}
else
{
cmpInst = opCode.Cmp();
}
ShaderIrOp op = new ShaderIrOp(cmpInst, operA, operB);
ShaderIrOperPred p0Node = opCode.Pred3();
ShaderIrOperPred p1Node = opCode.Pred0();
ShaderIrOperPred p2Node = opCode.Pred39();
block.AddNode(opCode.PredNode(new ShaderIrAsg(p0Node, op)));
ShaderIrInst lopInst = opCode.BLop45();
if (lopInst == ShaderIrInst.Band && p1Node.IsConst && p2Node.IsConst)
{
return;
}
ShaderIrNode p2NNode = p2Node;
if (negP)
{
p2NNode = new ShaderIrOp(ShaderIrInst.Bnot, p2NNode);
}
op = new ShaderIrOp(ShaderIrInst.Bnot, p0Node);
op = new ShaderIrOp(lopInst, op, p2NNode);
block.AddNode(opCode.PredNode(new ShaderIrAsg(p1Node, op)));
op = new ShaderIrOp(lopInst, p0Node, p2NNode);
block.AddNode(opCode.PredNode(new ShaderIrAsg(p0Node, op)));
}