diff options
Diffstat (limited to 'ARMeilleure/Decoders/OpCode32SimdRegElem.cs')
| -rw-r--r-- | ARMeilleure/Decoders/OpCode32SimdRegElem.cs | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/ARMeilleure/Decoders/OpCode32SimdRegElem.cs b/ARMeilleure/Decoders/OpCode32SimdRegElem.cs index 4bf15cca..c3b912b1 100644 --- a/ARMeilleure/Decoders/OpCode32SimdRegElem.cs +++ b/ARMeilleure/Decoders/OpCode32SimdRegElem.cs @@ -6,13 +6,20 @@ { Q = ((opCode >> 24) & 0x1) != 0; F = ((opCode >> 8) & 0x1) != 0; - Size = ((opCode >> 20) & 0x3); + Size = (opCode >> 20) & 0x3; RegisterSize = Q ? RegisterSize.Simd128 : RegisterSize.Simd64; - Vm = ((opCode >> 5) & 0x1) | ((opCode << 1) & 0x1e); + if (Size == 1) + { + Vm = ((opCode >> 3) & 0x1) | ((opCode >> 4) & 0x2) | ((opCode << 2) & 0x1c); + } + else /* if (Size == 2) */ + { + Vm = ((opCode >> 5) & 0x1) | ((opCode << 1) & 0x1e); + } - if (DecoderHelper.VectorArgumentsInvalid(Q, Vd, Vn) || Size == 0 || (Size == 1 && F)) + if (GetType() == typeof(OpCode32SimdRegElem) && DecoderHelper.VectorArgumentsInvalid(Q, Vd, Vn) || Size == 0 || (Size == 1 && F)) { Instruction = InstDescriptor.Undefined; } |