diff options
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/target_features.rs')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/target_features.rs | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/compiler/rustc_codegen_ssa/src/target_features.rs b/compiler/rustc_codegen_ssa/src/target_features.rs index a63e1877e45..95a5e96fe46 100644 --- a/compiler/rustc_codegen_ssa/src/target_features.rs +++ b/compiler/rustc_codegen_ssa/src/target_features.rs @@ -87,12 +87,17 @@ pub(crate) fn from_target_feature_attr( // But ensure the ABI does not forbid enabling this. // Here we do assume that LLVM doesn't add even more implied features // we don't know about, at least no features that would have ABI effects! - if abi_feature_constraints.incompatible.contains(&name.as_str()) { - tcx.dcx().emit_err(errors::ForbiddenTargetFeatureAttr { - span: item.span(), - feature: name.as_str(), - reason: "this feature is incompatible with the target ABI", - }); + // We skip this logic in rustdoc, where we want to allow all target features of + // all targets, so we can't check their ABI compatibility and anyway we are not + // generating code so "it's fine". + if !tcx.sess.opts.actually_rustdoc { + if abi_feature_constraints.incompatible.contains(&name.as_str()) { + tcx.dcx().emit_err(errors::ForbiddenTargetFeatureAttr { + span: item.span(), + feature: name.as_str(), + reason: "this feature is incompatible with the target ABI", + }); + } } target_features.push(TargetFeature { name, implied: name != feature_sym }) } |