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Sat, 21 Jun 2025 16:54:22 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 068/101] target/arm: Implement SME2 SEL Date: Sat, 21 Jun 2025 16:50:04 -0700 Message-ID: <20250621235037.74091-69-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250621235037.74091-1-richard.henderson@linaro.org> References: <20250621235037.74091-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::429; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x429.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1750550280407116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- target/arm/tcg/translate-sme.c | 25 +++++++++++++++++++++++++ target/arm/tcg/sme.decode | 9 +++++++++ 2 files changed, 34 insertions(+) diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c index f4af2dd98d..186d46ecbf 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -1541,3 +1541,28 @@ static gen_helper_gvec_3 * const uclamp_fns[] =3D { gen_helper_sme2_uclamp_d, }; TRANS(UCLAMP, do_clamp, a, uclamp_fns) + +static bool trans_SEL(DisasContext *s, arg_SEL *a) +{ + static gen_helper_gvec_4 * const fns[4] =3D { + gen_helper_sve_sel_zpzz_b, gen_helper_sve_sel_zpzz_h, + gen_helper_sve_sel_zpzz_s, gen_helper_sve_sel_zpzz_d + }; + + if (!dc_isar_feature(aa64_sme2, s)) { + return false; + } + if (sme_sm_enabled_check(s)) { + int svl =3D streaming_vec_reg_size(s); + gen_helper_gvec_4 *f =3D fns[a->esz]; + + for (int i =3D 0; i < a->n; ++i) { + tcg_gen_gvec_4_ool(vec_full_reg_offset(s, a->zd + i), + vec_full_reg_offset(s, a->zn + i), + vec_full_reg_offset(s, a->zm + i), + pred_full_reg_offset(s, a->pg), + svl, svl, 0, f); + } + } + return true; +} diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode index ca73a58a68..80fe02190c 100644 --- a/target/arm/tcg/sme.decode +++ b/target/arm/tcg/sme.decode @@ -876,3 +876,12 @@ UCLAMP 11000001 esz:2 1 zm:5 110001 zn:5 ....= 1 \ &zzz_en zd=3D%zd_ax2 n=3D2 UCLAMP 11000001 esz:2 1 zm:5 110011 zn:5 ...0 1 \ &zzz_en zd=3D%zd_ax4 n=3D4 + +### SME2 Multi-vector SVE Select + +%sel_pg 10:3 !function=3Dplus_8 + +SEL 11000001 esz:2 1 ....0 100 ... ....0 ....0 \ + n=3D2 zd=3D%zd_ax2 zn=3D%zn_ax2 zm=3D%zm_ax2 pg=3D%sel_pg +SEL 11000001 esz:2 1 ...01 100 ... ...00 ...00 \ + n=3D4 zd=3D%zd_ax4 zn=3D%zn_ax4 zm=3D%zm_ax4 pg=3D%sel_pg --=20 2.43.0