Function core::arch::wasm64::i16x8_extmul_high_i8x16

pub fn i16x8_extmul_high_i8x16(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 i16x8_mul(i16x8_extend_high_i8x16(a), i16x8_extend_high_i8x16(b))