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simd_scatter: mention left-to-right order

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Ralf Jung 2023-12-29 00:09:11 +01:00
parent 5219af6ae0
commit aa64c73f14
1 changed files with 3 additions and 0 deletions
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library/core/src/intrinsics/simd.rs
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@ -245,6 +245,9 @@ extern "platform-intrinsic" {
/// corresponding value in `val` to the pointer.
/// Otherwise if the corresponding value in `mask` is `0`, do nothing.
///
/// The stores happen in left-to-right order.
/// (This is relevant in case two of the stores overlap.)
///
/// # Safety
/// Unmasked values in `T` must be writeable as if by `<ptr>::write` (e.g. aligned to the element
/// type).