Function core::arch::wasm64::i32x4_extmul_low_u16x8

pub fn i32x4_extmul_low_u16x8(a: v128, b: v128) -> v128

Available on target_family="wasm" and target feature simd128 and WebAssembly only.

lane-wise 整数扩展乘法产生两倍于输入的结果。

相当于 i32x4_mul(i32x4_extend_low_u16x8(a), i32x4_extend_low_u16x8(b))