ryujinx-mirror/ARMeilleure/Decoders/OpCode32SimdShImmLong.cs
LDj3SNuD 04e330cc00
Add Umaal & Vabd_I, Vabdl_I, Vaddl_I, Vhadd, Vqshrn, Vshll inst.s (slow paths). (#1577)
* Add Umaal & Vabd_I, Vabdl_I, Vaddl_I, Vhadd, Vqshrn, Vshll inst.s (slow paths).

No test provided (i.e. draft).

* Ptc InternalVersion = 1577
2020-10-13 22:41:33 +02:00

40 lines
1.1 KiB
C#

namespace ARMeilleure.Decoders
{
class OpCode32SimdShImmLong : OpCode32Simd
{
public int Shift { get; private set; }
public OpCode32SimdShImmLong(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
{
Q = false;
RegisterSize = RegisterSize.Simd64;
int imm6 = (opCode >> 16) & 0x3f;
if ((imm6 & 0x20) == 0b100000)
{
Size = 2;
Shift = imm6 - 32;
}
else if ((imm6 & 0x30) == 0b010000)
{
Size = 1;
Shift = imm6 - 16;
}
else if ((imm6 & 0x38) == 0b001000)
{
Size = 0;
Shift = imm6 - 8;
}
else
{
Instruction = InstDescriptor.Undefined;
}
if (GetType() == typeof(OpCode32SimdShImmLong) && DecoderHelper.VectorArgumentsInvalid(true, Vd))
{
Instruction = InstDescriptor.Undefined;
}
}
}
}