rust-lang / rust-lang/rust

Tracking Issue for ARM hint intrinsics

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C-tracking-issue O-AArch64 O-Arm T-libs
Dominant language
Rust
Stars
119k
Forks
16.1k
PR merge metrics
PR metrics pending

Description

Feature gate: #![feature(stdarch_arm_hints)]

This is a tracking issue for ARM and AArch64 hint intrinsics.

Public API
// core::arch::{arm,aarch64}


pub unsafe fn __wfi();
pub unsafe fn __wfe();
pub unsafe fn __sev();
pub unsafe fn __sevl();
pub unsafe fn __yield();
pub unsafe fn __nop();
Steps / History
  • Implementation: #...
  • Final comment period (FCP)^1
  • Stabilization PR
Unresolved Questions
  • None yet.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the feature gate stdarch_arm_hints and the core::arch::{arm,aarch64} API list in this tracking issue. Review the implementation, final comment period, and stabilization status; done means the listed intrinsics have completed implementation and the remaining feature-lifecycle steps.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
operating-systems
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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