Function core::arch::wasm32::i16x8_extend_high_i8x16

pub unsafe fn i16x8_extend_high_i8x16(a: v128) -> v128

🔬 This is a nightly-only experimental API. (wasm_simd #74372)

This is supported on WebAssembly and target feature simd128 only.

Converts high half of the smaller lane vector to a larger lane vector, sign extended.