Function core::arch::wasm32::i64x2_mul

pub fn i64x2_mul(a: v128, b: v128) -> v128

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

将两个 128 位 vectors 相乘，就好像它们是两个包装的两个 64 位整数一样。