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Add documentation for the volatile_read and volatile_write intrinsics

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Part of #34338
This commit is contained in:
Wesley Wiser 2016-11-05 19:30:56 -04:00
parent bc4fc6567c
commit a3f75fb072
1 changed files with 4 additions and 0 deletions
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4
src/libcore/intrinsics.rs
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@ -1027,8 +1027,12 @@ extern "rust-intrinsic" {
pub fn volatile_set_memory<T>(dst: *mut T, val: u8, count: usize);
/// Perform a volatile load from the `src` pointer.
/// The stabilized version of this intrinsic is
/// [`std::ptr::read_volatile`](../../std/ptr/fn.read_volatile.html).
pub fn volatile_load<T>(src: *const T) -> T;
/// Perform a volatile store to the `dst` pointer.
/// The stabilized version of this intrinsic is
/// [`std::ptr::write_volatile`](../../std/ptr/fn.write_volatile.html).
pub fn volatile_store<T>(dst: *mut T, val: T);
/// Returns the square root of an `f32`