Re: [PATCH 19/55] target/arm: Implement MVE VNEG

[Richard Henderson]

On 6/7/21 9:57 AM, Peter Maydell wrote:
> +#define DO_NEG(N)    (-(N))
> +#define DO_FNEG(N)    ((N) ^ ~((__typeof(N))-1 >> 1))
> +
> +DO_1OP(vnegb, 1, int8_t, H1, DO_NEG)
> +DO_1OP(vnegh, 2, int16_t, H2, DO_NEG)
> +DO_1OP(vnegw, 4, int32_t, H4, DO_NEG)
> +
> +DO_1OP(vfnegh, 2, uint16_t, H2, DO_FNEG)
> +DO_1OP(vfnegs, 4, uint32_t, H4, DO_FNEG)

Similar comments to abs.  Otherwise,
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


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