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Fri, 04 Jul 2025 07:21:48 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v4 033/108] target/arm: Implement SME2 ADD/SUB (array results, multiple vectors) Date: Fri, 4 Jul 2025 08:19:56 -0600 Message-ID: <20250704142112.1018902-34-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250704142112.1018902-1-richard.henderson@linaro.org> References: <20250704142112.1018902-1-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=2001:4860:4864:20::29; envelope-from=richard.henderson@linaro.org; helo=mail-oa1-x29.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=unavailable 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: 1751639133542116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/translate-sme.c | 30 ++++++++++++++++++++++++++++++ target/arm/tcg/sme.decode | 20 ++++++++++++++++++++ 2 files changed, 50 insertions(+) diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c index 4bb880d9ef..aabdb96675 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -775,3 +775,33 @@ TRANS_FEAT(ADD_azz_n1_s, aa64_sme2, do_azz_n1, a, MO_3= 2, tcg_gen_gvec_add_var) TRANS_FEAT(SUB_azz_n1_s, aa64_sme2, do_azz_n1, a, MO_32, tcg_gen_gvec_sub_= var) TRANS_FEAT(ADD_azz_n1_d, aa64_sme2_i16i64, do_azz_n1, a, MO_64, tcg_gen_gv= ec_add_var) TRANS_FEAT(SUB_azz_n1_d, aa64_sme2_i16i64, do_azz_n1, a, MO_64, tcg_gen_gv= ec_sub_var) + +/* Add/Sub each vector Z[m*N] to each Z[n*N] with result in ZA[d*N]. */ +static bool do_azz_nn(DisasContext *s, arg_azz_n *a, int esz, + GVecGen3FnVar *fn) +{ + TCGv_ptr t_za; + int svl, n; + + if (!sme_smza_enabled_check(s)) { + return true; + } + + n =3D a->n; + t_za =3D get_zarray(s, a->rv, a->off, n, 1); + svl =3D streaming_vec_reg_size(s); + + for (int i =3D 0; i < n; ++i) { + int o_za =3D (svl / n * sizeof(ARMVectorReg)) * i; + int o_zn =3D vec_full_reg_offset(s, a->zn + i); + int o_zm =3D vec_full_reg_offset(s, a->zm + i); + + fn(esz, t_za, o_za, tcg_env, o_zn, tcg_env, o_zm, svl, svl); + } + return true; +} + +TRANS_FEAT(ADD_azz_nn_s, aa64_sme2, do_azz_nn, a, MO_32, tcg_gen_gvec_add_= var) +TRANS_FEAT(SUB_azz_nn_s, aa64_sme2, do_azz_nn, a, MO_32, tcg_gen_gvec_sub_= var) +TRANS_FEAT(ADD_azz_nn_d, aa64_sme2_i16i64, do_azz_nn, a, MO_64, tcg_gen_gv= ec_add_var) +TRANS_FEAT(SUB_azz_nn_d, aa64_sme2_i16i64, do_azz_nn, a, MO_64, tcg_gen_gv= ec_sub_var) diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode index 8b81c0a0ce..a6dee08661 100644 --- a/target/arm/tcg/sme.decode +++ b/target/arm/tcg/sme.decode @@ -260,3 +260,23 @@ SUB_azz_n1_s 11000001 0010 .... 0 .. 110 ..... 11 .= .. @azz_nx1_o3 n=3D2 SUB_azz_n1_s 11000001 0011 .... 0 .. 110 ..... 11 ... @azz_nx1_o3 n= =3D4 SUB_azz_n1_d 11000001 0110 .... 0 .. 110 ..... 11 ... @azz_nx1_o3 n= =3D2 SUB_azz_n1_d 11000001 0111 .... 0 .. 110 ..... 11 ... @azz_nx1_o3 n= =3D4 + +### SME2 Multi-vector Multiple Array Vectors + +%zn_ax2 6:4 !function=3Dtimes_2 +%zn_ax4 7:3 !function=3Dtimes_4 + +@azz_2x2_o3 ........ ... ..... . .. ... ..... .. off:3 \ + &azz_n n=3D2 rv=3D%mova_rv zn=3D%zn_ax2 zm=3D%zm_ax2 +@azz_4x4_o3 ........ ... ..... . .. ... ..... .. off:3 \ + &azz_n n=3D4 rv=3D%mova_rv zn=3D%zn_ax4 zm=3D%zm_ax4 + +ADD_azz_nn_s 11000001 101 ....0 0 .. 110 ....0 10 ... @azz_2x2_o3 +ADD_azz_nn_s 11000001 101 ...01 0 .. 110 ...00 10 ... @azz_4x4_o3 +ADD_azz_nn_d 11000001 111 ....0 0 .. 110 ....0 10 ... @azz_2x2_o3 +ADD_azz_nn_d 11000001 111 ...01 0 .. 110 ...00 10 ... @azz_4x4_o3 + +SUB_azz_nn_s 11000001 101 ....0 0 .. 110 ....0 11 ... @azz_2x2_o3 +SUB_azz_nn_s 11000001 101 ...01 0 .. 110 ...00 11 ... @azz_4x4_o3 +SUB_azz_nn_d 11000001 111 ....0 0 .. 110 ....0 11 ... @azz_2x2_o3 +SUB_azz_nn_d 11000001 111 ...01 0 .. 110 ...00 11 ... @azz_4x4_o3 --=20 2.43.0