51 lines
1.6 KiB
C#
51 lines
1.6 KiB
C#
namespace ARMeilleure.Decoders
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{
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class OpCode32SimdMovGpElem : OpCode32, IOpCode32Simd
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{
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public int Size { get; }
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public int Vd { get; }
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public int Rt { get; }
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public int Op { get; }
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public bool U { get; }
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public int Index { get; }
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public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdMovGpElem(inst, address, opCode, false);
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public static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdMovGpElem(inst, address, opCode, true);
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public OpCode32SimdMovGpElem(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode)
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{
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IsThumb = isThumb;
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Op = (opCode >> 20) & 0x1;
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U = ((opCode >> 23) & 1) != 0;
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var opc = (((opCode >> 23) & 1) << 4) | (((opCode >> 21) & 0x3) << 2) | ((opCode >> 5) & 0x3);
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if ((opc & 0b01000) == 0b01000)
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{
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Size = 0;
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Index = opc & 0x7;
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}
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else if ((opc & 0b01001) == 0b00001)
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{
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Size = 1;
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Index = (opc >> 1) & 0x3;
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}
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else if ((opc & 0b11011) == 0)
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{
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Size = 2;
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Index = (opc >> 2) & 0x1;
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}
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else
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{
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Instruction = InstDescriptor.Undefined;
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return;
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}
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Vd = ((opCode >> 3) & 0x10) | ((opCode >> 16) & 0xf);
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Rt = (opCode >> 12) & 0xf;
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}
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}
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}
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