21 releases

0.3.0 Jun 20, 2019
0.2.0 May 11, 2018
0.1.18 Feb 23, 2017
0.1.14 Jan 31, 2017

#219 in Hardware support

Download history 5122/week @ 2024-06-10 6815/week @ 2024-06-17 5762/week @ 2024-06-24 3883/week @ 2024-07-01 4210/week @ 2024-07-08 4391/week @ 2024-07-15 4622/week @ 2024-07-22 3772/week @ 2024-07-29 3738/week @ 2024-08-05 4270/week @ 2024-08-12 3849/week @ 2024-08-19 3574/week @ 2024-08-26 4579/week @ 2024-09-02 5278/week @ 2024-09-09 4870/week @ 2024-09-16 4554/week @ 2024-09-23

19,940 downloads per month
Used in 10 crates (7 directly)

MIT license

63KB
1K SLoC

Rust 1K SLoC // 0.0% comments Python 107 SLoC // 0.0% comments Assembly 53 SLoC Shell 27 SLoC // 0.2% comments

Portable Bitwise Manipulation Intrinsics

crates.io version Travis build status Coveralls.io code coverage Docs License

0b0000_0010_1001_1010

This #![no_std] library exposes safe and portable low-level bit manipulation instruction set architectures. The Minimum Supported Rust Version is 1.36.0.

For higher-level bitwise manipulations check the bitwise crate.

The intrinsics are exposed via traits named after their CPU instruction. These traits are implemented for all integer types except u128/i128.

The following ISAs are implemented:

The actual code generated depends on the integer types involved and the features supported by the target architecture.

Verified assembly

The check_asm.py script verifies the generated assembly of the intrinsics. It compiles the asm/arch_feature_*.rs for the appropriate architectures and target features and compares the assembly generated by rustc with that included in the corresponding asm/arch_feature_*.asm files.

License

Licensed under the MIT license.

Contribution

Yes please! Just note that all contributions shall be licensed as above without any additional terms or conditions.

No runtime deps