diff options
Diffstat (limited to 'compiler/rustc_target/src/target_features.rs')
| -rw-r--r-- | compiler/rustc_target/src/target_features.rs | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/compiler/rustc_target/src/target_features.rs b/compiler/rustc_target/src/target_features.rs index 297d9ed84c5..e45300b59cc 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) @@ -471,9 +475,9 @@ static X86_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[ ("sse3", Stable, &["sse2"]), ("sse4.1", Stable, &["ssse3"]), ("sse4.2", Stable, &["sse4.1"]), - ("sse4a", Unstable(sym::sse4a_target_feature), &["sse3"]), + ("sse4a", Stable, &["sse3"]), ("ssse3", Stable, &["sse3"]), - ("tbm", Unstable(sym::tbm_target_feature), &[]), + ("tbm", Stable, &[]), ("vaes", Stable, &["avx2", "aes"]), ("vpclmulqdq", Stable, &["avx", "pclmulqdq"]), ("widekl", Stable, &["kl"]), @@ -763,6 +767,7 @@ static CSKY_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[ static LOONGARCH_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[ // tidy-alphabetical-start + ("32s", Unstable(sym::loongarch_target_feature), &[]), ("d", Stable, &["f"]), ("div32", Unstable(sym::loongarch_target_feature), &[]), ("f", Stable, &[]), |