Ryujinx/ARMeilleure/Decoders/OpCode32SimdImm44.cs
2022-09-10 23:03:14 -03:00

41 lines
1.3 KiB
C#

namespace ARMeilleure.Decoders
{
class OpCode32SimdImm44 : OpCode32, IOpCode32SimdImm
{
public int Vd { get; }
public long Immediate { get; }
public int Size { get; }
public int Elems { get; }
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdImm44(inst, address, opCode, false);
public static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdImm44(inst, address, opCode, true);
public OpCode32SimdImm44(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode)
{
IsThumb = isThumb;
Size = (opCode >> 8) & 0x3;
bool single = Size != 3;
if (single)
{
Vd = ((opCode >> 22) & 0x1) | ((opCode >> 11) & 0x1e);
}
else
{
Vd = ((opCode >> 18) & 0x10) | ((opCode >> 12) & 0xf);
}
long imm;
imm = ((uint)opCode >> 0) & 0xf;
imm |= ((uint)opCode >> 12) & 0xf0;
Immediate = (Size == 3) ? (long)DecoderHelper.Imm8ToFP64Table[(int)imm] : DecoderHelper.Imm8ToFP32Table[(int)imm];
RegisterSize = (!single) ? RegisterSize.Int64 : RegisterSize.Int32;
Elems = 1;
}
}
}