diff --git a/bindings/rust/src/unicorn_const.rs b/bindings/rust/src/unicorn_const.rs
index 22bae1b1..df834f30 100644
--- a/bindings/rust/src/unicorn_const.rs
+++ b/bindings/rust/src/unicorn_const.rs
@@ -133,6 +133,15 @@ bitflags! {
     }
 }
 
+bitflags! {
+    #[repr(C)]
+    #[derive(Copy, Clone)]
+    pub struct TcgOpFlag: i32 {
+        const FLAG_CMP = 1;
+        const FLAG_DIRECT = 2;
+    }
+}
+
 #[repr(C)]
 #[derive(PartialEq, Debug, Clone, Copy)]
 #[allow(clippy::upper_case_acronyms)]