Function vsha1su1q_u32 

pub fn vsha1su1q_u32(tw0_3: uint32x4_t, w12_15: uint32x4_t) -> uint32x4_t

Available on (AArch64 or ARM64EC) and (AArch64 or ARM64EC or target feature v7) and (ARM or AArch64 or ARM64EC) and target feature sha2 only.

SHA1 schedule update accelerator, second part. Arm’s documentation