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24 lines
1 KiB
C#
24 lines
1 KiB
C#
namespace ARMeilleure.Decoders
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{
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class OpCode32SimdRev : OpCode32SimdCmpZ
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{
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public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdRev(inst, address, opCode, false);
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public new static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdRev(inst, address, opCode, true);
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public OpCode32SimdRev(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode, isThumb)
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{
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if (Opc + Size >= 3)
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{
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Instruction = InstDescriptor.Undefined;
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return;
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}
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// Currently, this instruction is treated as though it's OPCODE is the true size,
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// which lets us deal with reversing vectors on a single element basis (eg. math magic an I64 rather than insert lots of I8s).
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int tempSize = Size;
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Size = 3 - Opc; // Op 0 is 64 bit, 1 is 32 and so on.
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Opc = tempSize;
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}
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}
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}
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