On Wed, 2 Jul 2025 at 13:42, Richard Henderson
<richard.hender...@linaro.org> wrote:
>
> Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
> ---
> diff --git a/target/arm/tcg/vec_internal.h b/target/arm/tcg/vec_internal.h
> index 236927c640..ad3bfabc34 100644
> --- a/target/arm/tcg/vec_internal.h
> +++ b/target/arm/tcg/vec_internal.h
> @@ -337,6 +337,22 @@ bfloat16 helper_sme2_ah_fmin_b16(bfloat16 a, bfloat16 b,
> float_status *fpst);
> float32 sve_f16_to_f32(float16 f, float_status *fpst);
> float16 sve_f32_to_f16(float32 f, float_status *fpst);
>
> +/* Extract @len bits from an array of uint64_t at offset @pos bits. */
> +static inline uint64_t extractn(uint64_t *p, unsigned pos, unsigned len)
> +{
> + uint64_t x;
> +
> + p += pos / 64;
> + pos = pos % 64;
> +
> + x = p[0];
> + if (pos + len > 64) {
> + x = (x >> pos) | (p[1] << (-pos & 63));
> + pos = 0;
> + }
> + return extract64(x, pos, len);
> +}
We added this in patch 79, I think, so we could put it in
vec_internal.h from the start (with the comment).
Otherwise
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
thanks
-- PMM
