Tracking Issue for PowerPC arch intrinsics

[Amanieu]

Feature gate: #![feature(stdarch_powerpc)]

This is a tracking issue for the PowerPC intrinsics in core::arch::{powerpc,powerpc64}.

Public API

Everything in core::arch::{powerpc,powerpc64}}.

Steps / History

• Final comment period (FCP)¹
• Stabilization PR

Unresolved Questions

• Unsoundness due to subnormal flushing PowerPC altivec intrinsics are unsound due to subnormal flushing #129886

Footnotes

1. https://std-dev-guide.rust-lang.org/feature-lifecycle/stabilization.html ↩

[Jules-Bertholet]

@rustbot label O-PowerPC

[beetrees]

When the vsx feature is not enabled the floating-point intrinsics currently handle subnormals unsoundly: #129886

[jieyouxu]

What's the relationship between this and #[feature(powerpc_target_feature)]? This is for libs side while powerpc_target_feature is compiler side?