forked from Mirror/Ryujinx
43 lines
1.4 KiB
C#
43 lines
1.4 KiB
C#
namespace ARMeilleure.Decoders
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{
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class OpCode32SimdDupElem : OpCode32Simd
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{
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public int Index { get; }
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public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdDupElem(inst, address, opCode, false);
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public new static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdDupElem(inst, address, opCode, true);
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public OpCode32SimdDupElem(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode, isThumb)
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{
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var opc = (opCode >> 16) & 0xf;
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if ((opc & 0b1) == 1)
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{
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Size = 0;
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Index = (opc >> 1) & 0x7;
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}
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else if ((opc & 0b11) == 0b10)
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{
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Size = 1;
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Index = (opc >> 2) & 0x3;
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}
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else if ((opc & 0b111) == 0b100)
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{
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Size = 2;
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Index = (opc >> 3) & 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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}
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Vd = ((opCode >> 18) & 0x10) | ((opCode >> 12) & 0xf);
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Vm = ((opCode >> 1) & 0x10) | ((opCode >> 0) & 0xf);
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if (DecoderHelper.VectorArgumentsInvalid(Q, Vd))
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{
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Instruction = InstDescriptor.Undefined;
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}
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}
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}
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}
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