public OpCodeAtom(InstEmitter emitter, ulong address, long opCode) : base(emitter, address, opCode)
{
Rd = new Register(opCode.Extract(0, 8), RegisterType.Gpr);
Ra = new Register(opCode.Extract(8, 8), RegisterType.Gpr);
Rb = new Register(opCode.Extract(20, 8), RegisterType.Gpr);
Extended = opCode.Extract(48);
AtomicOp = (AtomicOp)opCode.Extract(52, 4);
}
public OpCodeAtom(InstEmitter emitter, ulong address, long opCode) : base(emitter, address, opCode)
{
Rd = new Register(opCode.Extract(0, 8), RegisterType.Gpr);
Ra = new Register(opCode.Extract(8, 8), RegisterType.Gpr);
Rb = new Register(opCode.Extract(20, 8), RegisterType.Gpr);
Type = (ReductionType)opCode.Extract(28, 2);
if (Type == ReductionType.FP32FtzRn)
{
Type = ReductionType.S64;
}
Offset = opCode.Extract(30, 22);
Extended = opCode.Extract(48);
AtomicOp = (AtomicOp)opCode.Extract(52, 4);
}
private static Operand EmitAtomicOp(
EmitterContext context,
Instruction mr,
AtomicOp op,
ReductionType type,
Operand addrLow,
Operand addrHigh,
Operand value)
{
Operand res = Const(0);
switch (op)
{
case AtomicOp.Add:
if (type == ReductionType.S32 || type == ReductionType.U32)
{
res = context.AtomicAdd(mr, addrLow, addrHigh, value);
}
else
{
context.Config.GpuAccessor.Log($"Invalid reduction type: {type}.");
}
break;
case AtomicOp.BitwiseAnd:
if (type == ReductionType.S32 || type == ReductionType.U32)
{
res = context.AtomicAnd(mr, addrLow, addrHigh, value);
}
else
{
context.Config.GpuAccessor.Log($"Invalid reduction type: {type}.");
}
break;
case AtomicOp.BitwiseExclusiveOr:
if (type == ReductionType.S32 || type == ReductionType.U32)
{
res = context.AtomicXor(mr, addrLow, addrHigh, value);
}
else
{
context.Config.GpuAccessor.Log($"Invalid reduction type: {type}.");
}
break;
case AtomicOp.BitwiseOr:
if (type == ReductionType.S32 || type == ReductionType.U32)
{
res = context.AtomicOr(mr, addrLow, addrHigh, value);
}
else
{
context.Config.GpuAccessor.Log($"Invalid reduction type: {type}.");
}
break;
case AtomicOp.Maximum:
if (type == ReductionType.S32)
{
res = context.AtomicMaxS32(mr, addrLow, addrHigh, value);
}
else if (type == ReductionType.U32)
{
res = context.AtomicMaxU32(mr, addrLow, addrHigh, value);
}
else
{
context.Config.GpuAccessor.Log($"Invalid reduction type: {type}.");
}
break;
case AtomicOp.Minimum:
if (type == ReductionType.S32)
{
res = context.AtomicMinS32(mr, addrLow, addrHigh, value);
}
else if (type == ReductionType.U32)
{
res = context.AtomicMinU32(mr, addrLow, addrHigh, value);
}
else
{
context.Config.GpuAccessor.Log($"Invalid reduction type: {type}.");
}
break;
}
return(res);
}