From 9609c7bc269bc24a487c0200e11639add4d43642 Mon Sep 17 00:00:00 2001
From: 4lDO2 <4lDO2@protonmail.com>
Date: Thu, 27 Jun 2024 21:29:22 +0200
Subject: [PATCH] Implement CAS-based 64-bit fetch_add on i686.

---
 src/data.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/data.rs b/src/data.rs
index b3a46349d8..bf68da87b3 100644
--- a/src/data.rs
+++ b/src/data.rs
@@ -523,5 +523,9 @@ mod atomic {
             self.fetch_update(order, Ordering::Relaxed, |b| Some(b & bits))
                 .unwrap()
         }
+        pub fn fetch_add(&self, term: u64, order: Ordering) -> u64 {
+            self.fetch_update(order, Ordering::Relaxed, |b| Some(b.wrapping_add(term)))
+                .unwrap()
+        }
     }
 }