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, 7 insertions, 10 deletions
diff --git a/compiler/rustc_codegen_ssa/src/target_features.rs b/compiler/rustc_codegen_ssa/src/target_features.rs index 739963fff..e59fad99a 100644 --- a/compiler/rustc_codegen_ssa/src/target_features.rs +++ b/compiler/rustc_codegen_ssa/src/target_features.rs @@ -3,12 +3,12 @@ use rustc_attr::InstructionSetAttr; use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::fx::FxHashSet; use rustc_errors::Applicability; -use rustc_hir as hir; +use rustc_hir::def::DefKind; use rustc_hir::def_id::DefId; use rustc_hir::def_id::LocalDefId; use rustc_hir::def_id::LOCAL_CRATE; use rustc_middle::ty::query::Providers; -use rustc_middle::ty::TyCtxt; +use rustc_middle::ty::{DefIdTree, TyCtxt}; use rustc_session::parse::feature_err; use rustc_session::Session; use rustc_span::symbol::sym; @@ -185,7 +185,7 @@ const X86_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[ ("avx512vpopcntdq", Some(sym::avx512_target_feature)), ("bmi1", None), ("bmi2", None), - ("cmpxchg16b", Some(sym::cmpxchg16b_target_feature)), + ("cmpxchg16b", None), ("ermsb", Some(sym::ermsb_target_feature)), ("f16c", None), ("fma", None), @@ -286,6 +286,7 @@ const WASM_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[ ("mutable-globals", Some(sym::wasm_target_feature)), ("nontrapping-fptoint", Some(sym::wasm_target_feature)), ("reference-types", Some(sym::wasm_target_feature)), + ("relaxed-simd", Some(sym::wasm_target_feature)), ("sign-ext", Some(sym::wasm_target_feature)), ("simd128", None), // tidy-alphabetical-end @@ -393,7 +394,6 @@ pub fn from_target_feature( Some(sym::sse4a_target_feature) => rust_features.sse4a_target_feature, Some(sym::tbm_target_feature) => rust_features.tbm_target_feature, Some(sym::wasm_target_feature) => rust_features.wasm_target_feature, - Some(sym::cmpxchg16b_target_feature) => rust_features.cmpxchg16b_target_feature, Some(sym::movbe_target_feature) => rust_features.movbe_target_feature, Some(sym::rtm_target_feature) => rust_features.rtm_target_feature, Some(sym::ermsb_target_feature) => rust_features.ermsb_target_feature, @@ -440,12 +440,9 @@ fn asm_target_features(tcx: TyCtxt<'_>, did: DefId) -> &FxHashSet<Symbol> { /// Checks the function annotated with `#[target_feature]` is not a safe /// trait method implementation, reporting an error if it is. pub fn check_target_feature_trait_unsafe(tcx: TyCtxt<'_>, id: LocalDefId, attr_span: Span) { - let hir_id = tcx.hir().local_def_id_to_hir_id(id); - let node = tcx.hir().get(hir_id); - if let hir::Node::ImplItem(hir::ImplItem { kind: hir::ImplItemKind::Fn(..), .. }) = node { - let parent_id = tcx.hir().get_parent_item(hir_id); - let parent_item = tcx.hir().expect_item(parent_id.def_id); - if let hir::ItemKind::Impl(hir::Impl { of_trait: Some(_), .. }) = parent_item.kind { + if let DefKind::AssocFn = tcx.def_kind(id) { + let parent_id = tcx.local_parent(id); + if let DefKind::Impl { of_trait: true } = tcx.def_kind(parent_id) { tcx.sess .struct_span_err( attr_span, |