For MUL, we can rely on generic support. For SMULH and UMULH,
create some trivial helpers. For PMUL, back in a21bb78e5817,
we organized helper_gvec_pmul_b in preparation for this use.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
5dad1ba52f