{"ast_node_type":"other","tokens":[{"end":109,"kind":"keyword","start":0,"text":"///"}]}
    /// efficiently converted to an all ones / all zeroes mask by comparing whether each element is negative.
    /// For aarch64 and other targets there is a benefit because a mask from the sign bit can be more
    fn vector_mask_to_bitmask<'a, 'll, 'tcx>(