pub unsafe fn lsx_vstelm_d(
    a: v2i64,
    mem_addr: *mut i8,
    const IMM_S8: i32,
    const IMM1: u32,
)🔬This is a nightly-only experimental API. (
stdarch_loongarch #117427)Available on LoongArch LA64 and target feature 
lsx only.