nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2025-02-19 18:34:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

Small performance tweaks

Browse Source
This commit is contained in:
Deadbeef 2021-12-08 21:08:44 +08:00
parent 17b53b9645
commit 83587e8d30
No known key found for this signature in database
GPG Key ID: 6D017A96D8E6C2F9
3 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
compiler/rustc_data_structures/src/tagged_ptr/copy.rs
View File

@ -94,9 +94,11 @@ where
// SAFETY: pointer_raw returns the original pointer // SAFETY: pointer_raw returns the original pointer
unsafe { std::mem::transmute_copy(&self.pointer_raw()) } unsafe { std::mem::transmute_copy(&self.pointer_raw()) }
} }
#[inline]
pub fn tag(&self) -> T { pub fn tag(&self) -> T {
unsafe { T::from_usize(self.packed.get() >> Self::TAG_BIT_SHIFT) } unsafe { T::from_usize(self.packed.get() >> Self::TAG_BIT_SHIFT) }
} }
#[inline]
pub fn set_tag(&mut self, tag: T) { pub fn set_tag(&mut self, tag: T) {
let mut packed = self.packed.get(); let mut packed = self.packed.get();
let new_tag = T::into_usize(tag) << Self::TAG_BIT_SHIFT; let new_tag = T::into_usize(tag) << Self::TAG_BIT_SHIFT;

4
compiler/rustc_middle/src/ty/mod.rs
View File

@ -1339,21 +1339,25 @@ impl<'tcx> ParamEnv<'tcx> {
self self
} }
#[inline]
pub fn with_constness(mut self, constness: hir::Constness) -> Self { pub fn with_constness(mut self, constness: hir::Constness) -> Self {
self.packed.set_tag(ParamTag { constness, ..self.packed.tag() }); self.packed.set_tag(ParamTag { constness, ..self.packed.tag() });
self self
} }
#[inline]
pub fn with_const(mut self) -> Self { pub fn with_const(mut self) -> Self {
self.packed.set_tag(ParamTag { constness: hir::Constness::Const, ..self.packed.tag() }); self.packed.set_tag(ParamTag { constness: hir::Constness::Const, ..self.packed.tag() });
self self
} }
#[inline]
pub fn without_const(mut self) -> Self { pub fn without_const(mut self) -> Self {
self.packed.set_tag(ParamTag { constness: hir::Constness::NotConst, ..self.packed.tag() }); self.packed.set_tag(ParamTag { constness: hir::Constness::NotConst, ..self.packed.tag() });
self self
} }
#[inline]
pub fn remap_constness_with(&mut self, mut constness: ty::BoundConstness) { pub fn remap_constness_with(&mut self, mut constness: ty::BoundConstness) {
*self = self.with_constness(constness.and(self.constness())) *self = self.with_constness(constness.and(self.constness()))
} }

12
compiler/rustc_typeck/src/check/check.rs
View File

@ -1506,17 +1506,11 @@ pub(super) fn check_mod_item_types(tcx: TyCtxt<'_>, module_def_id: LocalDefId) {
tcx.hir().visit_item_likes_in_module(module_def_id, &mut CheckItemTypesVisitor { tcx }); tcx.hir().visit_item_likes_in_module(module_def_id, &mut CheckItemTypesVisitor { tcx });
} }
pub(super) fn check_item_well_formed(tcx: TyCtxt<'_>, def_id: LocalDefId) { pub(super) use wfcheck::check_item_well_formed;
wfcheck::check_item_well_formed(tcx, def_id);
}
pub(super) fn check_trait_item_well_formed(tcx: TyCtxt<'_>, def_id: LocalDefId) { pub(super) use wfcheck::check_trait_item as check_trait_item_well_formed;
wfcheck::check_trait_item(tcx, def_id);
}
pub(super) fn check_impl_item_well_formed(tcx: TyCtxt<'_>, def_id: LocalDefId) { pub(super) use wfcheck::check_impl_item as check_impl_item_well_formed;
wfcheck::check_impl_item(tcx, def_id);
}
fn async_opaque_type_cycle_error(tcx: TyCtxt<'tcx>, span: Span) { fn async_opaque_type_cycle_error(tcx: TyCtxt<'tcx>, span: Span) {
struct_span_err!(tcx.sess, span, E0733, "recursion in an `async fn` requires boxing") struct_span_err!(tcx.sess, span, E0733, "recursion in an `async fn` requires boxing")