user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

[bmi] add module-level docs to bmi and bmi2 modules

Browse source
This commit is contained in:
gnzlbg 2017-09-19 18:27:00 +02:00 • committed by Andrew Gallant
parent 778d55a0bc
commit c66003d259
2 changed files with 18 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

9
library/stdarch/src/x86/bmi.rs
View file

@ -1,3 +1,12 @@
//! Bit Manipulation Instruction (BMI) Set 1.0.
//!
//! The reference is [Intel 64 and IA-32 Architectures Software Developer's
//! Manual Volume 2: Instruction Set Reference,
//! A-Z](http://www.intel.de/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-instruction-set-reference-manual-325383.pdf).
//!
//! [Wikipedia](https://en.wikipedia.org/wiki/Bit_Manipulation_Instruction_Sets#BMI1_.28Bit_Manipulation_Instruction_Set_1.29)
//! provides a quick overview of the available instructions.
#[allow(dead_code)]
extern "platform-intrinsic" {
fn x86_bmi_bextr_32(x: u32, y: u32) -> u32;

9
library/stdarch/src/x86/bmi2.rs
View file

@ -1,3 +1,12 @@
//! Bit Manipulation Instruction (BMI) Set 2.0.
//!
//! The reference is [Intel 64 and IA-32 Architectures Software Developer's
//! Manual Volume 2: Instruction Set Reference,
//! A-Z](http://www.intel.de/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-instruction-set-reference-manual-325383.pdf).
//!
//! [Wikipedia](https://en.wikipedia.org/wiki/Bit_Manipulation_Instruction_Sets#BMI2_.28Bit_Manipulation_Instruction_Set_2.29)
//! provides a quick overview of the available instructions.
/// Unsigned multiply without affecting flags.
///
/// Unsigned multiplication of `a` with `b` returning a pair `(lo, hi)` with