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ryujinx-final/ARMeilleure/Decoders/OpCode32SimdLong.cs

30 lines
1.1 KiB
C#

namespace ARMeilleure.Decoders
{
class OpCode32SimdLong : OpCode32SimdBase
{
public bool U { get; }
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdLong(inst, address, opCode, false);
public static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdLong(inst, address, opCode, true);
public OpCode32SimdLong(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode, isThumb)
{
int imm3h = (opCode >> 19) & 0x7;
// The value must be a power of 2, otherwise it is the encoding of another instruction.
switch (imm3h)
{
case 1: Size = 0; break;
case 2: Size = 1; break;
case 4: Size = 2; break;
}
U = ((opCode >> (isThumb ? 28 : 24)) & 0x1) != 0;
RegisterSize = RegisterSize.Simd64;
Vd = ((opCode >> 18) & 0x10) | ((opCode >> 12) & 0xf);
Vm = ((opCode >> 1) & 0x10) | ((opCode >> 0) & 0xf);
}
}
}