bjoernager/rust
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Hide implicit target features from diagnostics when possible

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This commit is contained in:
Caleb Zulawski 2024-08-04 23:51:59 -04:00
parent 6b96a60611
commit 83276f5680
16 changed files with 89 additions and 43 deletions
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11
compiler/rustc_middle/src/middle/codegen_fn_attrs.rs
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@ -28,7 +28,7 @@ pub struct CodegenFnAttrs {
pub link_ordinal: Option<u16>,
/// The `#[target_feature(enable = "...")]` attribute and the enabled
/// features (only enabled features are supported right now).
pub target_features: Vec<Symbol>,
pub target_features: Vec<TargetFeature>,
/// The `#[linkage = "..."]` attribute on Rust-defined items and the value we found.
pub linkage: Option<Linkage>,
/// The `#[linkage = "..."]` attribute on foreign items and the value we found.
@ -51,6 +51,15 @@ pub struct CodegenFnAttrs {
pub patchable_function_entry: Option<PatchableFunctionEntry>,
}
#[derive(Copy, Clone, Debug, TyEncodable, TyDecodable, HashStable)]
pub struct TargetFeature {
/// The name of the target feature (e.g. "avx")
pub name: Symbol,
/// The feature is implied by another feature, rather than explicitly added by the
/// `#[target_feature]` attribute
pub implied: bool,
}
#[derive(Copy, Clone, Debug, TyEncodable, TyDecodable, HashStable)]
pub struct PatchableFunctionEntry {
/// Nops to prepend to the function