Function svtbl2_s8 

pub fn svtbl2_s8(data: svint8x2_t, indices: svuint8_t) -> svint8_t

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

Available on (AArch64 or ARM64EC) and target feature sve and target feature sve2 only.

Table lookup in two-vector table Arm’s documentation