Function core::arch::wasm32::i32x4_extadd_pairwise_i16x8

pub fn i32x4_extadd_pairwise_i16x8(a: v128) -> v128

This is supported on WebAssembly and target feature simd128 only.

逐行整数扩展成对加法产生扩展结果 (结果比输入宽两倍)。