diff options
| -rw-r--r-- | library/core/src/intrinsics/simd.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/library/core/src/intrinsics/simd.rs b/library/core/src/intrinsics/simd.rs index 0d24b0558c5..f80a60d471c 100644 --- a/library/core/src/intrinsics/simd.rs +++ b/library/core/src/intrinsics/simd.rs @@ -619,7 +619,8 @@ extern "rust-intrinsic" { /// 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))] |