Tracking Issue for AArch64 prefetch intrinsic

[Amanieu]

Feature gate: #![feature(stdarch_aarch64_prefetch)]

This is a tracking issue for the AArch64 _prefetch intrinsic.

Public API

// core::arch::aarch64

pub const _PREFETCH_READ: i32;
pub const _PREFETCH_WRITE: i32;
pub const _PREFETCH_LOCALITY0: i32;
pub const _PREFETCH_LOCALITY1: i32;
pub const _PREFETCH_LOCALITY2: i32;
pub const _PREFETCH_LOCALITY3: i32;

pub unsafe fn _prefetch<const RW: i32, const LOCALITY: i32>(p: *const i8);

Steps / History

• [ ] Implementation: #...
• [ ] Final comment period (FCP)^1
• [ ] Stabilization PR

Unresolved Questions

• None yet.

[Jules-Bertholet]

@rustbot label o-aarch64

[mert-kurttutan]

Hi @Amanieu , I want to help with the stabilization of this feature since I am working on a project that requires this (I am using inline asm for the time being). Any guidance would be appreciated.