44 lines
1.6 KiB
C#
44 lines
1.6 KiB
C#
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namespace ARMeilleure.Decoders
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{
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class OpCode32SimdCvtTB : OpCode32, IOpCode32Simd
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{
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public int Vd { get; }
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public int Vm { get; }
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public bool Op { get; } // Convert to Half / Convert from Half
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public bool T { get; } // Top / Bottom
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public int Size { get; } // Double / Single
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public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdCvtTB(inst, address, opCode, false);
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public static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdCvtTB(inst, address, opCode, true);
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public OpCode32SimdCvtTB(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 >> 16) & 0x1) != 0;
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T = ((opCode >> 7) & 0x1) != 0;
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Size = ((opCode >> 8) & 0x1);
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RegisterSize = Size == 1 ? RegisterSize.Int64 : RegisterSize.Int32;
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if (Size == 1)
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{
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if (Op)
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{
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Vm = ((opCode >> 1) & 0x10) | ((opCode >> 0) & 0xf);
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Vd = ((opCode >> 22) & 0x1) | ((opCode >> 11) & 0x1e);
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}
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else
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{
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Vm = ((opCode >> 5) & 0x1) | ((opCode << 1) & 0x1e);
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Vd = ((opCode >> 18) & 0x10) | ((opCode >> 12) & 0xf);
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}
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}
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else
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{
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Vm = ((opCode >> 5) & 0x1) | ((opCode << 1) & 0x1e);
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Vd = ((opCode >> 22) & 0x1) | ((opCode >> 11) & 0x1e);
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}
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}
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}
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}
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