On Sun, 22 Jun 2025 at 00:58, Richard Henderson
<richard.hender...@linaro.org> wrote:
>
> Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
> ---
> target/arm/tcg/translate-sme.c | 65 ++++++++++++++++++++++++++++++++++
> target/arm/tcg/sme.decode | 36 +++++++++++++++++++
> 2 files changed, 101 insertions(+)
>
> diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c
> index 0e05153924..617621d663 100644
> --- a/target/arm/tcg/translate-sme.c
> +++ b/target/arm/tcg/translate-sme.c
> @@ -550,6 +550,37 @@ TRANS_FEAT(SRSHL_n1, aa64_sme2, do_z2z_n1, a,
> gen_gvec_srshl)
> TRANS_FEAT(URSHL_n1, aa64_sme2, do_z2z_n1, a, gen_gvec_urshl)
> TRANS_FEAT(SQDMULH_n1, aa64_sme2, do_z2z_n1, a, gen_gvec_sve2_sqdmulh)
>
> +static bool do_z2z_nn(DisasContext *s, arg_z2z_en *a, GVecGen3Fn *fn)
> +{
> + int esz, dn, dm, vsz, n;
> +
> + if (!sme_sm_enabled_check(s)) {
> + return true;
> + }
> +
> + esz = a->esz;
> + n = a->n;
> + dn = a->zdn;
> + dm = a->zm;
> + vsz = streaming_vec_reg_size(s);
> +
> + for (int i = 0; i < n; i++) {
> + int dofs = vec_full_reg_offset(s, dn + i);
> + int mofs = vec_full_reg_offset(s, dm + i);
> +
> + fn(esz, dofs, dofs, mofs, vsz, vsz);
> + }
> + return true;
> +}
Don't we need to handle Dn and Dm overlapping here, the way
we did in the previous patch ?
-- PMM
