1 files changed, 38 insertions, 0 deletions
diff --git a/src/ARMeilleure/Decoders/OpCode32SimdImm.cs b/src/ARMeilleure/Decoders/OpCode32SimdImm.cs
new file mode 100644
index 00000000..bf0ca527
--- /dev/null
+++ b/src/ARMeilleure/Decoders/OpCode32SimdImm.cs
@@ -0,0 +1,38 @@
+namespace ARMeilleure.Decoders
+{
+    class OpCode32SimdImm : OpCode32SimdBase, IOpCode32SimdImm
+    {
+        public bool Q { get; }
+        public long Immediate { get; }
+        public int Elems => GetBytesCount() >> Size;
+
+        public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdImm(inst, address, opCode, false);
+        public static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdImm(inst, address, opCode, true);
+
+        public OpCode32SimdImm(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode, isThumb)
+        {
+            Vd = (opCode >> 12) & 0xf;
+            Vd |= (opCode >> 18) & 0x10;
+
+            Q = ((opCode >> 6) & 0x1) > 0;
+
+            int cMode = (opCode >> 8) & 0xf;
+            int op = (opCode >> 5) & 0x1;
+
+            long imm;
+
+            imm = ((uint)opCode >> 0) & 0xf;
+            imm |= ((uint)opCode >> 12) & 0x70;
+            imm |= ((uint)opCode >> (isThumb ? 21 : 17)) & 0x80;
+
+            (Immediate, Size) = OpCodeSimdHelper.GetSimdImmediateAndSize(cMode, op, imm);
+
+            RegisterSize = Q ? RegisterSize.Simd128 : RegisterSize.Simd64;
+
+            if (DecoderHelper.VectorArgumentsInvalid(Q, Vd))
+            {
+                Instruction = InstDescriptor.Undefined;
+            }
+        }
+    }
+}