Change rustc_codegen_ssa's atomic_cmpxchg interface to return a pair of values

2023-11-30 14:54:27 +01:00
parent 5b8bc568d2
commit 6cf6139411
4 changed files with 12 additions and 20 deletions
--- a/compiler/rustc_codegen_ssa/src/traits/builder.rs
+++ b/compiler/rustc_codegen_ssa/src/traits/builder.rs
@@ -296,7 +296,7 @@ pub trait BuilderMethods<'a, 'tcx>:
        order: AtomicOrdering,
        failure_order: AtomicOrdering,
        weak: bool,
-    ) -> Self::Value;
+    ) -> (Self::Value, Self::Value);
    fn atomic_rmw(
        &mut self,
        op: AtomicRmwBinOp,