Function bit_lowest_set_mask_u32
pub fn bit_lowest_set_mask_u32(a: u32) -> u32 ⓘAvailable on crate feature
dep_safe_arch only.Expand description
Gets the mask of all bits up to and including the lowest set bit in a u32.
If the input is 0, you get u32::MAX
-
Formula:
(a - 1) ^ a -
Intrinsic:
_blsmsk_u32 -
Assembly:
blsmsk r32, r32