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	stdarch - Rust's standard library SIMD components
Crates
This repository contains two main crates:
- 
core_archimplementscore::arch- Rust's core library architecture-specific intrinsics, and - 
std_detectimplementsstd::detect- Rust's standard library run-time CPU feature detection. 
The std::simd component now lives in the
packed_simd_2 crate.
Synchronizing josh subtree with rustc
This repository is linked to rust-lang/rust as a josh subtree. You can use the rustc-josh-sync tool to perform synchronization.
You can find a guide on how to perform the synchronization here.