implement primop (filter)

fix-codegen/src/disassembler.rs

@@ -281,6 +281,9 @@ impl<'a, Ctx: DisassemblerContext> Disassembler<'a, Ctx> {
             }
 
             Op::Call => ("Call", String::new()),
+            Op::DispatchPrimOp => {
+                todo!();
+            }
 
             Op::MakeAttrs => {
                 let count = self.read_u32();