1 files changed, 6 insertions, 0 deletions
diff --git a/ARMeilleure/Decoders/OpCode32SimdRev.cs b/ARMeilleure/Decoders/OpCode32SimdRev.cs
index 6cdf9f57..547766a8 100644
--- a/ARMeilleure/Decoders/OpCode32SimdRev.cs
+++ b/ARMeilleure/Decoders/OpCode32SimdRev.cs
@@ -4,6 +4,12 @@
     {
         public OpCode32SimdRev(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
         {
+            if (Opc + Size >= 3)
+            {
+                Instruction = InstDescriptor.Undefined;
+                return;
+            }
+
             // Currently, this instruction is treated as though it's OPCODE is the true size,
             // which lets us deal with reversing vectors on a single element basis (eg. math magic an I64 rather than insert lots of I8s).
             int tempSize = Size;