Function svprfh_gather_u64base_index 

pub unsafe fn svprfh_gather_u64base_index<const OP: svprfop>(
    pg: svbool_t,
    bases: svuint64_t,
    index: i64,
)

🔬This is a nightly-only experimental API. (stdarch_aarch64_sve #145052)

Available on (AArch64 or ARM64EC) and target feature sve only.

Prefetch halfwords Arm’s documentation

Safety

• pointer::offset safety constraints must be met for the address calculation for each active element (governed by pg).
• Addresses passed in bases lack provenance, so this is similar to using a usize as ptr cast (or core::ptr::with_exposed_provenance) on each lane before using it.