Module feature_detect

Helpers for runtime target feature detection that are shared across architectures.

Macros

select_once 🔒

Call init once to choose an implementation, then use it for the rest of the program.

unique_masks 🔒

Given a list of identifiers, assign each one a unique sequential single-bit mask.

Structs

Flags

Helper for working with bit flags, based on bitflags.

Functions

get_or_init_flags_cache

Load flags from an atomic value. If the flags have not yet been initialized, call init to do so.