Re: [PATCH for-6.2 26/34] target/arm: Implement MVE saturating doubling multiply accumulates

[Richard Henderson]

On 7/13/21 3:37 AM, Peter Maydell wrote:
> Implement the MVE saturating doubling multiply accumulate insns
> VQDMLAH, VQRDMLAH, VQDMLASH and VQRDMLASH.  These perform a multiply,
> double, add the accumulator shifted by the element size, possibly
> round, saturate to twice the element size, then take the high half of
> the result.  The *MLAH insns do vector * scalar + vector, and the
> *MLASH insns do vector * vector + scalar.
>
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
>   target/arm/helper-mve.h    | 16 +++++++
>   target/arm/mve.decode      |  5 ++
>   target/arm/mve_helper.c    | 95 ++++++++++++++++++++++++++++++++++++++
>   target/arm/translate-mve.c |  4 ++
>   4 files changed, 120 insertions(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~