clarify simd_relaxed_fma non-determinism

2026-05-29 20:46:07 +03:00 · 2024-12-04 08:37:23 +01:00
parent 3b382642ab
commit f4217f4296
1 changed files with 2 additions and 1 deletions
@@ -619,7 +619,8 @@
    /// set has support for a fused operation, and that the fused operation is more efficient
    /// than the equivalent, separate pair of mul and add instructions. It is unspecified
    /// whether or not a fused operation is selected, and that may depend on optimization
-    /// level and context, for example.
+    /// level and context, for example. It may even be the case that some SIMD lanes get fused
+    /// and others do not.
    ///
    /// `T` must be a vector of floats.
    #[cfg(not(bootstrap))]