Function core::arch::wasm32::i64x2_extmul_high_i32x4

pub fn i64x2_extmul_high_i32x4(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 i64x2_mul(i64x2_extend_high_i32x4_s(a), i64x2_extend_high_i32x4_s(b))