Function core::arch::wasm64::i32x4_extmul_low_i16x8

pub fn i32x4_extmul_low_i16x8(a: v128, b: v128) -> v128

This is supported on WebAssembly and target feature simd128 only.

Lane-wise integer extended multiplication producing twice wider result than the inputs.

Equivalent of i32x4_mul(i32x4_extend_low_i16x8_s(a), i32x4_extend_low_i16x8_s(b))