diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_target/src/target_features.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/target_features.rs b/compiler/rustc_target/src/target_features.rs index 297d9ed84c5..4b450804f3b 100644 --- a/compiler/rustc_target/src/target_features.rs +++ b/compiler/rustc_target/src/target_features.rs @@ -248,6 +248,10 @@ static AARCH64_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[ ("mte", Stable, &[]), // FEAT_AdvSimd & FEAT_FP ("neon", Stable, &[]), + // Backend option to turn atomic operations into an intrinsic call when `lse` is not known to be + // available, so the intrinsic can do runtime LSE feature detection rather than unconditionally + // using slower non-LSE operations. Unstable since it doesn't need to user-togglable. + ("outline-atomics", Unstable(sym::aarch64_unstable_target_feature), &[]), // FEAT_PAUTH (address authentication) ("paca", Stable, &[]), // FEAT_PAUTH (generic authentication) |