1 files changed, 43 insertions, 0 deletions
diff --git a/src/ARMeilleure/Decoders/OpCode32SimdShImmLong.cs b/src/ARMeilleure/Decoders/OpCode32SimdShImmLong.cs
new file mode 100644
index 00000000..6b1b0ad1
--- /dev/null
+++ b/src/ARMeilleure/Decoders/OpCode32SimdShImmLong.cs
@@ -0,0 +1,43 @@
+namespace ARMeilleure.Decoders
+{
+    class OpCode32SimdShImmLong : OpCode32Simd
+    {
+        public int Shift { get; }
+
+        public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdShImmLong(inst, address, opCode, false);
+        public new static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdShImmLong(inst, address, opCode, true);
+
+        public OpCode32SimdShImmLong(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode, isThumb)
+        {
+            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;
+            }
+        }
+    }
+}