rust-lang / rust-lang/rust

Tracking Issue for NEON I8MM intrinsics

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A-SIMD 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_neon_i8mm)]

This is a tracking issue for NEON intrinsics under the i8mm feature.

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

fn vsudot*(..);
fn vusdot*(..);
fn vmmlaq*(..);
fn vusmmlaq*(..)
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 stdarch_neon_i8mm feature gate and the public API listed under core::arch::{arm,aarch64}. Review the four proposed intrinsic groups and track the implementation, final comment period, and stabilization steps; done means those checklist items are completed and the feature is ready for stabilization.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
compilers
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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