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Enable LSX feature for LoongArch Linux targets #132140

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merged 1 commit into from
Oct 26, 2024
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heiher
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@heiher heiher commented Oct 25, 2024

Enable 128-bit vector (LSX) feature for loongarch64-unknown-linux-{gnu, musl} targets.

try-job: dist-loongarch64-linux
try-job: dist-loongarch64-musl

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rustbot commented Oct 25, 2024

r? @estebank

rustbot has assigned @estebank.
They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

Use r? to explicitly pick a reviewer

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Oct 25, 2024
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rustbot commented Oct 25, 2024

These commits modify compiler targets.
(See the Target Tier Policy.)

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Urgau commented Oct 25, 2024

Some questions:

  • What is the availability of the lsx target feature in LLVM?
    • Is it available with all of our LLVM supported versions?
  • Does this target feature impacts ABI?
  • Do we want to "announce" the change in the relnotes?

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heiher commented Oct 26, 2024

Some questions:

* What is the availability of the `lsx` target feature in LLVM?

The lsx target feature is fully available in LLVM, and Clang has it enabled by default.

  * Is it available with all of our LLVM supported versions?

Yes, it is available in all supported versions of LLVM. It was first supported in LLVM 16, which is the version that introduced support for LoongArch.

* Does this target feature impacts ABI?

No, it does not impact the ABI. (Argument passing for SIMD types does not rely on the lsx registers.)

* Do we want to "announce" the change in the relnotes?

Yes.

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Urgau commented Oct 26, 2024

Thanks for those answers.

Looks go to me, in particular since Clang does indeed enable it by default, I see no reason not to do the same.

r? @Urgau
@rustbot label +relnotes

@rustbot rustbot assigned Urgau and unassigned estebank Oct 26, 2024
@rustbot rustbot added the relnotes Marks issues that should be documented in the release notes of the next release. label Oct 26, 2024
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Urgau commented Oct 26, 2024

Let's do a try build of the LoongArch builder, in case some of the assembly/codegen changes.
r=me when CI/try is green

@bors try
@bors delegate+

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bors commented Oct 26, 2024

✌️ @heiher, you can now approve this pull request!

If @Urgau told you to "r=me" after making some further change, please make that change, then do @bors r=@Urgau

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bors commented Oct 26, 2024

⌛ Trying commit baa3b6d with merge 37fc544...

bors added a commit to rust-lang-ci/rust that referenced this pull request Oct 26, 2024
Enable LSX feature for LoongArch Linux targets

Enable 128-bit vector (LSX) feature for `loongarch64-unknown-linux-{gnu, musl}` targets.

try-job: dist-loongarch64-linux
try-job: dist-loongarch64-musl
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bors commented Oct 26, 2024

☀️ Try build successful - checks-actions
Build commit: 37fc544 (37fc544de7d0e5ea686cc38150fcc95755c880f3)

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Urgau commented Oct 26, 2024

@bors r+ rollup

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bors commented Oct 26, 2024

📌 Commit baa3b6d has been approved by Urgau

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Oct 26, 2024
bors added a commit to rust-lang-ci/rust that referenced this pull request Oct 26, 2024
Rollup of 5 pull requests

Successful merges:

 - rust-lang#132124 (coverage: Consolidate creation of covmap/covfun records)
 - rust-lang#132140 (Enable LSX feature for LoongArch Linux targets)
 - rust-lang#132169 (Deny calls to non-`#[const_trait]` methods in MIR constck)
 - rust-lang#132174 (x86 target features: make pclmulqdq imply sse2)
 - rust-lang#132180 (Print unsafety of attribute in AST pretty print)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 7981aca into rust-lang:master Oct 26, 2024
7 checks passed
@rustbot rustbot added this to the 1.84.0 milestone Oct 26, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Oct 26, 2024
Rollup merge of rust-lang#132140 - heiher:loong-lsx, r=Urgau

Enable LSX feature for LoongArch Linux targets

Enable 128-bit vector (LSX) feature for `loongarch64-unknown-linux-{gnu, musl}` targets.

try-job: dist-loongarch64-linux
try-job: dist-loongarch64-musl
@heiher heiher deleted the loong-lsx branch October 27, 2024 04:34
tmeijn pushed a commit to tmeijn/dotfiles that referenced this pull request Jan 22, 2025
This MR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [rust](https://github.com/rust-lang/rust) | minor | `1.83.0` -> `1.84.0` |

MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot).

**Proposed changes to behavior should be submitted there as MRs.**

---

### Release Notes

<details>
<summary>rust-lang/rust (rust)</summary>

### [`v1.84.0`](https://github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1840-2025-01-09)

[Compare Source](rust-lang/rust@1.83.0...1.84.0)

\==========================

<a id="
Language"></a>

## Language

-   [Allow `#[deny]` inside `#[forbid]` as a no-op](rust-lang/rust#121560)
-   [Show a warning when `-Ctarget-feature` is used to toggle features that can lead to unsoundness due to ABI mismatches](rust-lang/rust#129884)
-   [Use the next-generation trait solver in coherence](rust-lang/rust#130654)
-   [Allow coercions to drop the principal of trait objects](rust-lang/rust#131857)
-   [Support `/` as the path separator for `include!()` in all cases on Windows](rust-lang/rust#125205)
-   [Taking a raw ref (`raw (const|mut)`) of a deref of a pointer (`*ptr`) is now safe](rust-lang/rust#129248)
-   [Stabilize s390x inline assembly](rust-lang/rust#131258)
-   [Stabilize Arm64EC inline assembly](rust-lang/rust#131781)
-   [Lint against creating pointers to immediately dropped temporaries](rust-lang/rust#128985)
-   [Execute drop glue when unwinding in an `extern "C"` function](rust-lang/rust#129582)

<a id="1.84.0-Compiler"></a>

## Compiler

-   [Add `--print host-tuple` flag to print the host target tuple and affirm the "target tuple" terminology over "target triple"](rust-lang/rust#125579)
-   [Declaring functions with a calling convention not supported on the current target now triggers a hard error](rust-lang/rust#129935)
-   [Set up indirect access to external data for `loongarch64-unknown-linux-{musl,ohos}`](rust-lang/rust#131583)
-   [Enable XRay instrumentation for LoongArch Linux targets](rust-lang/rust#131818)
-   [Extend the `unexpected_cfgs` lint to also warn in external macros](rust-lang/rust#132577)
-   [Stabilize WebAssembly `multivalue`, `reference-types`, and `tail-call` target features](rust-lang/rust#131080)
-   [Added Tier 2 support for the `wasm32v1-none` target](rust-lang/rust#131487)

<a id="1.84.0-Libraries"></a>

## Libraries

-   [Implement `From<&mut {slice}>` for `Box/Rc/Arc<{slice}>`](rust-lang/rust#129329)
-   [Move `<float>::copysign`, `<float>::abs`, `<float>::signum` to `core`](rust-lang/rust#131304)
-   [Add `LowerExp` and `UpperExp` implementations to `NonZero`](rust-lang/rust#131377)
-   [Implement `FromStr` for `CString` and `TryFrom<CString>` for `String`](rust-lang/rust#130608)
-   [`std::os::darwin` has been made public](rust-lang/rust#123723)

<a id="1.84.0-Stabilized-APIs"></a>

## Stabilized APIs

-   [`Ipv6Addr::is_unique_local`](https://doc.rust-lang.org/stable/core/net/struct.Ipv6Addr.html#method.is_unique_local)
-   [`Ipv6Addr::is_unicast_link_local`](https://doc.rust-lang.org/stable/core/net/struct.Ipv6Addr.html#method.is_unicast_link_local)
-   [`core::ptr::with_exposed_provenance`](https://doc.rust-lang.org/stable/core/ptr/fn.with_exposed_provenance.html)
-   [`core::ptr::with_exposed_provenance_mut`](https://doc.rust-lang.org/stable/core/ptr/fn.with_exposed_provenance_mut.html)
-   [`<ptr>::addr`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.addr)
-   [`<ptr>::expose_provenance`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.expose_provenance)
-   [`<ptr>::with_addr`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.with_addr)
-   [`<ptr>::map_addr`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.map_addr)
-   [`<int>::isqrt`](https://doc.rust-lang.org/stable/core/primitive.i32.html#method.isqrt)
-   [`<int>::checked_isqrt`](https://doc.rust-lang.org/stable/core/primitive.i32.html#method.checked_isqrt)
-   [`<uint>::isqrt`](https://doc.rust-lang.org/stable/core/primitive.u32.html#method.isqrt)
-   [`NonZero::isqrt`](https://doc.rust-lang.org/stable/core/num/struct.NonZero.html#impl-NonZero%3Cu128%3E/method.isqrt)
-   [`core::ptr::without_provenance`](https://doc.rust-lang.org/stable/core/ptr/fn.without_provenance.html)
-   [`core::ptr::without_provenance_mut`](https://doc.rust-lang.org/stable/core/ptr/fn.without_provenance_mut.html)
-   [`core::ptr::dangling`](https://doc.rust-lang.org/stable/core/ptr/fn.dangling.html)
-   [`core::ptr::dangling_mut`](https://doc.rust-lang.org/stable/core/ptr/fn.dangling_mut.html)
-   [`Pin::as_deref_mut`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.as_deref_mut)

These APIs are now stable in const contexts

-   [`AtomicBool::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicBool.html#method.from_ptr)
-   [`AtomicPtr::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicPtr.html#method.from_ptr)
-   [`AtomicU8::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicU8.html#method.from_ptr)
-   [`AtomicU16::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicU16.html#method.from_ptr)
-   [`AtomicU32::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicU32.html#method.from_ptr)
-   [`AtomicU64::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicU64.html#method.from_ptr)
-   [`AtomicUsize::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicUsize.html#method.from_ptr)
-   [`AtomicI8::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicI8.html#method.from_ptr)
-   [`AtomicI16::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicI16.html#method.from_ptr)
-   [`AtomicI32::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicI32.html#method.from_ptr)
-   [`AtomicI64::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicI64.html#method.from_ptr)
-   [`AtomicIsize::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicIsize.html#method.from_ptr)
-   [`<ptr>::is_null`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_null-1)
-   [`<ptr>::as_ref`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.as_ref-1)
-   [`<ptr>::as_mut`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.as_mut)
-   [`Pin::new`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.new)
-   [`Pin::new_unchecked`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.new_unchecked)
-   [`Pin::get_ref`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.get_ref)
-   [`Pin::into_ref`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.into_ref)
-   [`Pin::get_mut`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.get_mut)
-   [`Pin::get_unchecked_mut`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.get_unchecked_mut)
-   [`Pin::static_ref`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.static_ref)
-   [`Pin::static_mut`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.static_mut)

<a id="1.84.0-Cargo"></a>

## Cargo

-   [Stabilize MSRV-aware resolver config](rust-lang/cargo#14639)
-   [Stabilize resolver v3](rust-lang/cargo#14754)

<a id="1.84-Rustdoc"></a>

## Rustdoc

-   [rustdoc-search: improve type-driven search](rust-lang/rust#127589)

<a id="1.84.0-Compatibility-Notes"></a>

## Compatibility Notes

-   [Enable by default the `LSX` target feature for LoongArch Linux targets](rust-lang/rust#132140)
-   [The unstable `-Zprofile` flag (“gcov-style” coverage instrumentation) has been removed.](rust-lang/rust#131829) This does not affect the stable flags for coverage instrumentation (`-Cinstrument-coverage`) and profile-guided optimization (`-Cprofile-generate`, `-Cprofile-use`), which are unrelated and remain available.
-   Support for the target named `wasm32-wasi` has been removed as the target is now named `wasm32-wasip1`. This completes the [transition](rust-lang/compiler-team#607) [plan](rust-lang/compiler-team#695) for this target following [the introduction of `wasm32-wasip1`](rust-lang/rust#120468) in Rust 1.78. Compiler warnings on [use of `wasm32-wasi`](rust-lang/rust#126662) introduced in Rust 1.81 are now gone as well as the target is removed.
-   [The syntax `&pin (mut|const) T` is now parsed as a type which in theory could affect macro expansion results in some edge cases](rust-lang/rust#130635 (comment))
-   [Legacy syntax for calling `std::arch` functions is no longer permitted to declare items or bodies (such as closures, inline consts, or async blocks).](rust-lang/rust#130443 (comment))
-   [Declaring functions with a calling convention not supported on the current target now triggers a hard error](rust-lang/rust#129935)
-   [The next-generation trait solver is now enabled for coherence, fixing multiple soundness issues](rust-lang/rust#130654)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this MR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this MR, check this box

---

This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS45Ny4wIiwidXBkYXRlZEluVmVyIjoiMzkuMTAwLjEiLCJ0YXJnZXRCcmFuY2giOiJtYWluIiwibGFiZWxzIjpbIlJlbm92YXRlIEJvdCJdfQ==-->
wip-sync pushed a commit to NetBSD/pkgsrc-wip that referenced this pull request Feb 2, 2025
Pkgsrc changes:
 * Adapt patches, one of the patched files were restructured upstream.
 * Checksum changes.

Upstream changes:

Version 1.84.1 (2025-01-30)
==========================

- [Fix ICE 132920 in duplicate-crate diagnostics.]
  (rust-lang/rust#133304)
- [Fix errors for overlapping impls in incremental rebuilds.]
  (rust-lang/rust#133828)
- [Fix slow compilation related to the next-generation trait solver.]
  (rust-lang/rust#135618)
- [Fix debuginfo when LLVM's location discriminator value limit is exceeded.]
  (rust-lang/rust#135643)
- Fixes for building Rust from source:
  - [Only try to distribute `llvm-objcopy` if llvm tools are enabled.]
    (rust-lang/rust#134240)
  - [Add Profile Override for Non-Git Sources.]
    (rust-lang/rust#135433)
  - [Resolve symlinks of LLVM tool binaries before copying them.]
    (rust-lang/rust#135585)
  - [Make it possible to use ci-rustc on tarball sources.]
    (rust-lang/rust#135722)

Version 1.84.0 (2025-01-09)
==========================

Language
--------
- [Allow `#[deny]` inside `#[forbid]` as a no-op]
  (rust-lang/rust#121560)
- [Show a warning when `-Ctarget-feature` is used to toggle features
  that can lead to unsoundness due to ABI mismatches]
  (rust-lang/rust#129884)
- [Use the next-generation trait solver in coherence]
  (rust-lang/rust#130654)
- [Allow coercions to drop the principal of trait objects]
  (rust-lang/rust#131857)
- [Support `/` as the path separator for `include!()` in all cases on Windows]
  (rust-lang/rust#125205)
- [Taking a raw ref (`raw (const|mut)`) of a deref of a pointer
  (`*ptr`) is now safe]
  (rust-lang/rust#129248)
- [Stabilize s390x inline assembly]
  (rust-lang/rust#131258)
- [Stabilize Arm64EC inline assembly]
  (rust-lang/rust#131781)
- [Lint against creating pointers to immediately dropped temporaries]
  (rust-lang/rust#128985)
- [Execute drop glue when unwinding in an `extern "C"` function]
  (rust-lang/rust#129582)

Compiler
--------
- [Add `--print host-tuple` flag to print the host target tuple
  and affirm the "target tuple" terminology over "target triple"]
  (rust-lang/rust#125579)
- [Declaring functions with a calling convention not supported on
  the current target now triggers a hard error]
  (rust-lang/rust#129935)
- [Set up indirect access to external data for
  `loongarch64-unknown-linux-{musl,ohos}`]
  (rust-lang/rust#131583)
- [Enable XRay instrumentation for LoongArch Linux targets]
  (rust-lang/rust#131818)
- [Extend the `unexpected_cfgs` lint to also warn in external macros]
  (rust-lang/rust#132577)
- [Stabilize WebAssembly `multivalue`, `reference-types`, and
  `tail-call` target features]
  (rust-lang/rust#131080)
- [Added Tier 2 support for the `wasm32v1-none` target]
  (rust-lang/rust#131487)

Libraries
---------
- [Implement `From<&mut {slice}>` for `Box/Rc/Arc<{slice}>`]
  (rust-lang/rust#129329)
- [Move `<float>::copysign`, `<float>::abs`, `<float>::signum` to `core`]
  (rust-lang/rust#131304)
- [Add `LowerExp` and `UpperExp` implementations to `NonZero`]
  (rust-lang/rust#131377)
- [Implement `FromStr` for `CString` and `TryFrom<CString>` for `String`]
  (rust-lang/rust#130608)
- [`std::os::darwin` has been made public]
  (rust-lang/rust#130635)

Stabilized APIs
---------------

- [`Ipv6Addr::is_unique_local`]
  (https://doc.rust-lang.org/stable/core/net/struct.Ipv6Addr.html#method.is_unique_local)
- [`Ipv6Addr::is_unicast_link_local`]
  (https://doc.rust-lang.org/stable/core/net/struct.Ipv6Addr.html#method.is_unicast_link_local)
- [`core::ptr::with_exposed_provenance`]
  (https://doc.rust-lang.org/stable/core/ptr/fn.with_exposed_provenance.html)
- [`core::ptr::with_exposed_provenance_mut`]
  (https://doc.rust-lang.org/stable/core/ptr/fn.with_exposed_provenance_mut.html)
- [`<ptr>::addr`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.addr)
- [`<ptr>::expose_provenance`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.expose_provenance)
- [`<ptr>::with_addr`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.with_addr)
- [`<ptr>::map_addr`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.map_addr)
- [`<int>::isqrt`]
  (https://doc.rust-lang.org/stable/core/primitive.i32.html#method.isqrt)
- [`<int>::checked_isqrt`]
  (https://doc.rust-lang.org/stable/core/primitive.i32.html#method.checked_isqrt)
- [`<uint>::isqrt`]
  (https://doc.rust-lang.org/stable/core/primitive.u32.html#method.isqrt)
- [`NonZero::isqrt`]
  (https://doc.rust-lang.org/stable/core/num/struct.NonZero.html#impl-NonZero%3Cu128%3E/method.isqrt)
- [`core::ptr::without_provenance`]
  (https://doc.rust-lang.org/stable/core/ptr/fn.without_provenance.html)
- [`core::ptr::without_provenance_mut`]
  (https://doc.rust-lang.org/stable/core/ptr/fn.without_provenance_mut.html)
- [`core::ptr::dangling`]
  (https://doc.rust-lang.org/stable/core/ptr/fn.dangling.html)
- [`core::ptr::dangling_mut`]
  (https://doc.rust-lang.org/stable/core/ptr/fn.dangling_mut.html)

These APIs are now stable in const contexts

- [`AtomicBool::from_ptr`]
  (https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicBool.html#method.from_ptr)
- [`AtomicPtr::from_ptr`]
  (https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicPtr.html#method.from_ptr)
- [`AtomicU8::from_ptr`]
  (https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicU8.html#method.from_ptr)
- [`AtomicU16::from_ptr`]
  (https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicU16.html#method.from_ptr)
- [`AtomicU32::from_ptr`]
  (https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicU32.html#method.from_ptr)
- [`AtomicU64::from_ptr`]
  (https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicU64.html#method.from_ptr)
- [`AtomicUsize::from_ptr`]
  (https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicUsize.html#method.from_ptr)
- [`AtomicI8::from_ptr`]
  (https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicI8.html#method.from_ptr)
- [`AtomicI16::from_ptr`]
  (https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicI16.html#method.from_ptr)
- [`AtomicI32::from_ptr`]
  (https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicI32.html#method.from_ptr)
- [`AtomicI64::from_ptr`]
  (https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicI64.html#method.from_ptr)
- [`AtomicIsize::from_ptr`]
  (https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicIsize.html#method.from_ptr)
- [`<ptr>::is_null`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_null-1)
- [`<ptr>::as_ref`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.as_ref-1)
- [`<ptr>::as_mut`]
  (https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.as_mut)
- [`Pin::new`]
  (https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.new)
- [`Pin::new_unchecked`]
  (https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.new_unchecked)
- [`Pin::get_ref`]
  (https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.get_ref)
- [`Pin::into_ref`]
  (https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.into_ref)
- [`Pin::get_mut`]
  (https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.get_mut)
- [`Pin::get_unchecked_mut`]
  (https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.get_unchecked_mut)
- [`Pin::static_ref`]
  (https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.static_ref)
- [`Pin::static_mut`]
  (https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.static_mut)

Cargo
-----
- [Stabilize MSRV-aware resolver config]
  (rust-lang/cargo#14639)
- [Stabilize resolver v3]
  (rust-lang/cargo#14754)

Rustdoc
-------
- [rustdoc-search: improve type-driven search]
  (rust-lang/rust#127589)

Compatibility Notes
-------------------
- [Enable by default the `LSX` target feature for LoongArch Linux targets]
  (rust-lang/rust#132140)
- [The unstable `-Zprofile` flag ("gcov-style" coverage instrumentation)
  has been removed.](rust-lang/rust#131829)
  This does not affect the stable flags for coverage instrumentation
  (`-Cinstrument-coverage`) and profile-guided optimization
  (`-Cprofile-generate`, `-Cprofile-use`), which are unrelated and
  remain available.
- Support for the target named `wasm32-wasi` has been removed as
  the target is now named `wasm32-wasip1`. This completes the [transition]
  (rust-lang/compiler-team#607)
  [plan](rust-lang/compiler-team#695) for
  this target following [the introduction of `wasm32-wasip1`]
  (rust-lang/rust#120468) in Rust 1.78.
  Compiler warnings on [use of `wasm32-wasi`]
  (rust-lang/rust#126662)
  introduced in Rust 1.81 are now gone as well as the target is
  removed.
- [The syntax `&pin (mut|const) T` is now parsed as a type which
  in theory could affect macro expansion results in some edge cases]
  (rust-lang/rust#130635 (comment))
- [Legacy syntax for calling `std::arch` functions is no longer
  permitted to declare items or bodies (such as closures, inline
  consts, or async blocks).]
  (rust-lang/rust#130443 (comment))
- The `wasm32-unknown-emscripten` target's binary release of the
  standard library is now [built with the latest emsdk 3.1.68]
  (rust-lang/rust#131533), which fixes an
  ABI-incompatibility with Emscripten >= 3.1.42. If you are locally
  using a version of emsdk with an incompatible ABI (e.g. before
  3.1.42 or a future one), you should build your code with `-Zbuild-std`
  to ensure that `std` uses the correct ABI.
- [Declaring functions with a calling convention not supported on
  the current target now triggers a hard error]
  (rust-lang/rust#129935)
- [The next-generation trait solver is now enabled for coherence,
  fixing multiple soundness issues]
  (rust-lang/rust#130654)
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