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Auto merge of #121516 - RalfJung:platform-intrinsics-begone, r=oli-obk

remove platform-intrinsics ABI; make SIMD intrinsics be regular intrinsics

`@Amanieu` `@workingjubilee` I don't think there is any reason these need to be "special"? The [original RFC](https://rust-lang.github.io/rfcs/1199-simd-infrastructure.html) indicated eventually making them stable, but I think that is no longer the plan, so seems to me like we can clean this up a bit.

Blocked on https://github.com/rust-lang/stdarch/pull/1538, https://github.com/rust-lang/rust/pull/121542.
This commit is contained in:
bors 2024-02-26 22:24:16 +00:00
commit 5c786a7fe3
114 changed files with 416 additions and 448 deletions

View file

@ -1244,7 +1244,6 @@ pub fn fn_can_unwind(tcx: TyCtxt<'_>, fn_def_id: Option<DefId>, abi: SpecAbi) ->
| RiscvInterruptS
| CCmseNonSecureCall
| Wasm
| PlatformIntrinsic
| Unadjusted => false,
Rust | RustCall | RustCold | RustIntrinsic => {
tcx.sess.panic_strategy() == PanicStrategy::Unwind

View file

@ -1643,7 +1643,7 @@ pub fn is_doc_notable_trait(tcx: TyCtxt<'_>, def_id: DefId) -> bool {
/// Determines whether an item is an intrinsic by Abi. or by whether it has a `rustc_intrinsic` attribute
pub fn intrinsic(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Option<Symbol> {
if matches!(tcx.fn_sig(def_id).skip_binder().abi(), Abi::RustIntrinsic | Abi::PlatformIntrinsic)
if matches!(tcx.fn_sig(def_id).skip_binder().abi(), Abi::RustIntrinsic)
|| tcx.has_attr(def_id, sym::rustc_intrinsic)
{
Some(tcx.item_name(def_id.into()))