rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

move -Ctarget-feature handling into shared code

Browse Source
This commit is contained in:
Ralf Jung
2025-05-23 08:07:42 +02:00
parent d70ec32ea7
commit cd08652faa
18 changed files with 324 additions and 460 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
compiler/rustc_codegen_ssa/src/codegen_attrs.rs
View File

@@ -7,7 +7,6 @@ use rustc_attr_data_structures::ReprAttr::ReprAlign;
use rustc_attr_data_structures::{
AttributeKind, InlineAttr, InstructionSetAttr, OptimizeAttr, find_attr,
};
use rustc_data_structures::fx::FxHashMap;
use rustc_hir::def::DefKind;
use rustc_hir::def_id::{DefId, LOCAL_CRATE, LocalDefId};
use rustc_hir::weak_lang_items::WEAK_LANG_ITEMS;
@@ -19,13 +18,15 @@ use rustc_middle::mir::mono::Linkage;
use rustc_middle::query::Providers;
use rustc_middle::span_bug;
use rustc_middle::ty::{self as ty, TyCtxt};
use rustc_session::lint;
use rustc_session::parse::feature_err;
use rustc_session::{Session, lint};
use rustc_span::{Ident, Span, sym};
use rustc_target::spec::SanitizerSet;
use crate::errors;
use crate::target_features::{check_target_feature_trait_unsafe, from_target_feature_attr};
use crate::target_features::{
check_target_feature_trait_unsafe, check_tied_features, from_target_feature_attr,
};
fn linkage_by_name(tcx: TyCtxt<'_>, def_id: LocalDefId, name: &str) -> Linkage {
use rustc_middle::mir::mono::Linkage::*;
@@ -625,25 +626,6 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs {
codegen_fn_attrs
}
/// Given a map from target_features to whether they are enabled or disabled, ensure only valid
/// combinations are allowed.
pub fn check_tied_features(
sess: &Session,
features: &FxHashMap<&str, bool>,
) -> Option<&'static [&'static str]> {
if !features.is_empty() {
for tied in sess.target.tied_target_features() {
// Tied features must be set to the same value, or not set at all
let mut tied_iter = tied.iter();
let enabled = features.get(tied_iter.next().unwrap());
if tied_iter.any(|f| enabled != features.get(f)) {
return Some(tied);
}
}
}
None
}
/// Checks if the provided DefId is a method in a trait impl for a trait which has track_caller
/// applied to the method prototype.
fn should_inherit_track_caller(tcx: TyCtxt<'_>, def_id: DefId) -> bool {