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TSR Berry 2023-04-08 01:22:00 +02:00 • committed by Mary
parent cd124bda58
commit cee7121058
3466 changed files with 55 additions and 55 deletions
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51
src/ARMeilleure/Decoders/OpCode32SimdMemSingle.cs Normal file
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using ARMeilleure.State;
namespace ARMeilleure.Decoders
{
class OpCode32SimdMemSingle : OpCode32, IOpCode32Simd
{
public int Vd { get; }
public int Rn { get; }
public int Rm { get; }
public int IndexAlign { get; }
public int Index { get; }
public bool WBack { get; }
public bool RegisterIndex { get; }
public int Size { get; }
public bool Replicate { get; }
public int Increment { get; }
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdMemSingle(inst, address, opCode, false);
public static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdMemSingle(inst, address, opCode, true);
public OpCode32SimdMemSingle(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode)
{
IsThumb = isThumb;
Vd = (opCode >> 12) & 0xf;
Vd |= (opCode >> 18) & 0x10;
IndexAlign = (opCode >> 4) & 0xf;
Size = (opCode >> 10) & 0x3;
Replicate = Size == 3;
if (Replicate)
{
Size = (opCode >> 6) & 0x3;
Increment = ((opCode >> 5) & 1) + 1;
Index = 0;
}
else
{
Increment = (((IndexAlign >> Size) & 1) == 0) ? 1 : 2;
Index = IndexAlign >> (1 + Size);
}
Rm = (opCode >> 0) & 0xf;
Rn = (opCode >> 16) & 0xf;
WBack = Rm != RegisterAlias.Aarch32Pc;
RegisterIndex = Rm != RegisterAlias.Aarch32Pc && Rm != RegisterAlias.Aarch32Sp;
}
}
}