Function core::arch::wasm32::i16x8_extadd_pairwise_i8x16

pub fn i16x8_extadd_pairwise_i8x16(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)。