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Fri, 04 Jul 2025 07:21:46 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v4 031/108] target/arm: Implement SME2 Multiple Vectors SVE Destructive Date: Fri, 4 Jul 2025 08:19:54 -0600 Message-ID: <20250704142112.1018902-32-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::34; envelope-from=richard.henderson@linaro.org; helo=mail-oa1-x34.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: 1751639352274116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- 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 954da18ff0..0a6a10b63d 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -604,6 +604,37 @@ TRANS_FEAT(SRSHL_n1, aa64_sme2, do_z2z_n1, a, gen_sme2= _srshl) TRANS_FEAT(URSHL_n1, aa64_sme2, do_z2z_n1, a, gen_sme2_urshl) TRANS_FEAT(SQDMULH_n1, aa64_sme2, do_z2z_n1, a, gen_gvec_sve2_sqdmulh) =20 +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 =3D a->esz; + n =3D a->n; + dn =3D a->zdn; + dm =3D a->zm; + vsz =3D streaming_vec_reg_size(s); + + for (int i =3D 0; i < n; i++) { + int dofs =3D vec_full_reg_offset(s, dn + i); + int mofs =3D vec_full_reg_offset(s, dm + i); + + fn(esz, dofs, dofs, mofs, vsz, vsz); + } + return true; +} + +TRANS_FEAT(SMAX_nn, aa64_sme2, do_z2z_nn, a, tcg_gen_gvec_smax) +TRANS_FEAT(SMIN_nn, aa64_sme2, do_z2z_nn, a, tcg_gen_gvec_smin) +TRANS_FEAT(UMAX_nn, aa64_sme2, do_z2z_nn, a, tcg_gen_gvec_umax) +TRANS_FEAT(UMIN_nn, aa64_sme2, do_z2z_nn, a, tcg_gen_gvec_umin) +TRANS_FEAT(SRSHL_nn, aa64_sme2, do_z2z_nn, a, gen_sme2_srshl) +TRANS_FEAT(URSHL_nn, aa64_sme2, do_z2z_nn, a, gen_sme2_urshl) +TRANS_FEAT(SQDMULH_nn, aa64_sme2, do_z2z_nn, a, gen_gvec_sve2_sqdmulh) + static bool do_z2z_n1_fpst(DisasContext *s, arg_z2z_en *a, gen_helper_gvec_3_ptr * const fns[4]) { @@ -641,6 +672,36 @@ static bool do_z2z_n1_fpst(DisasContext *s, arg_z2z_en= *a, return true; } =20 +static bool do_z2z_nn_fpst(DisasContext *s, arg_z2z_en *a, + gen_helper_gvec_3_ptr * const fns[4]) +{ + int esz =3D a->esz, n, dn, dm, vsz; + gen_helper_gvec_3_ptr *fn; + TCGv_ptr fpst; + + if (esz =3D=3D MO_8 && !dc_isar_feature(aa64_sme_b16b16, s)) { + return false; + } + if (!sme_sm_enabled_check(s)) { + return true; + } + + fpst =3D fpstatus_ptr(esz =3D=3D MO_16 ? FPST_A64_F16 : FPST_A64); + fn =3D fns[esz]; + n =3D a->n; + dn =3D a->zdn; + dm =3D a->zm; + vsz =3D streaming_vec_reg_size(s); + + for (int i =3D 0; i < n; i++) { + int dofs =3D vec_full_reg_offset(s, dn + i); + int mofs =3D vec_full_reg_offset(s, dm + i); + + tcg_gen_gvec_3_ptr(dofs, dofs, mofs, fpst, vsz, vsz, 0, fn); + } + return true; +} + static gen_helper_gvec_3_ptr * const f_vector_fmax[2][4] =3D { { gen_helper_gvec_fmax_b16, gen_helper_gvec_fmax_h, @@ -652,6 +713,7 @@ static gen_helper_gvec_3_ptr * const f_vector_fmax[2][4= ] =3D { gen_helper_gvec_ah_fmax_d }, }; TRANS_FEAT(FMAX_n1, aa64_sme2, do_z2z_n1_fpst, a, f_vector_fmax[s->fpcr_ah= ]) +TRANS_FEAT(FMAX_nn, aa64_sme2, do_z2z_nn_fpst, a, f_vector_fmax[s->fpcr_ah= ]) =20 static gen_helper_gvec_3_ptr * const f_vector_fmin[2][4] =3D { { gen_helper_gvec_fmin_b16, @@ -664,6 +726,7 @@ static gen_helper_gvec_3_ptr * const f_vector_fmin[2][4= ] =3D { gen_helper_gvec_ah_fmin_d }, }; TRANS_FEAT(FMIN_n1, aa64_sme2, do_z2z_n1_fpst, a, f_vector_fmin[s->fpcr_ah= ]) +TRANS_FEAT(FMIN_nn, aa64_sme2, do_z2z_nn_fpst, a, f_vector_fmin[s->fpcr_ah= ]) =20 static gen_helper_gvec_3_ptr * const f_vector_fmaxnm[4] =3D { gen_helper_gvec_fmaxnum_b16, @@ -672,6 +735,7 @@ static gen_helper_gvec_3_ptr * const f_vector_fmaxnm[4]= =3D { gen_helper_gvec_fmaxnum_d, }; TRANS_FEAT(FMAXNM_n1, aa64_sme2, do_z2z_n1_fpst, a, f_vector_fmaxnm) +TRANS_FEAT(FMAXNM_nn, aa64_sme2, do_z2z_nn_fpst, a, f_vector_fmaxnm) =20 static gen_helper_gvec_3_ptr * const f_vector_fminnm[4] =3D { gen_helper_gvec_fminnum_b16, @@ -680,3 +744,4 @@ static gen_helper_gvec_3_ptr * const f_vector_fminnm[4]= =3D { gen_helper_gvec_fminnum_d, }; TRANS_FEAT(FMINNM_n1, aa64_sme2, do_z2z_n1_fpst, a, f_vector_fminnm) +TRANS_FEAT(FMINNM_nn, aa64_sme2, do_z2z_nn_fpst, a, f_vector_fminnm) diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode index 005f87777b..470592f4c0 100644 --- a/target/arm/tcg/sme.decode +++ b/target/arm/tcg/sme.decode @@ -209,3 +209,39 @@ ADD_n1 1100000 1 .. 10 .... 1010.0 11000 .... = 0 @z2z_4x1 =20 SQDMULH_n1 1100000 1 .. 10 .... 1010.1 00000 .... 0 @z2z_2x1 SQDMULH_n1 1100000 1 .. 10 .... 1010.1 00000 .... 0 @z2z_4x1 + +### SME2 Multi-vector Multiple Vectors SVE Destructive + +%zm_ax2 17:4 !function=3Dtimes_2 +%zm_ax4 18:3 !function=3Dtimes_4 + +@z2z_2x2 ....... . esz:2 . ....0 ....0. ..... .... . \ + &z2z_en n=3D2 zdn=3D%zd_ax2 zm=3D%zm_ax2 +@z2z_4x4 ....... . esz:2 . ...00 ....1. ..... ...0 . \ + &z2z_en n=3D4 zdn=3D%zd_ax4 zm=3D%zm_ax4 + +SMAX_nn 1100000 1 .. 1 ..... 1011.0 00000 .... 0 @z2z_2x2 +SMAX_nn 1100000 1 .. 1 ..... 1011.0 00000 .... 0 @z2z_4x4 +UMAX_nn 1100000 1 .. 1 ..... 1011.0 00000 .... 1 @z2z_2x2 +UMAX_nn 1100000 1 .. 1 ..... 1011.0 00000 .... 1 @z2z_4x4 +SMIN_nn 1100000 1 .. 1 ..... 1011.0 00001 .... 0 @z2z_2x2 +SMIN_nn 1100000 1 .. 1 ..... 1011.0 00001 .... 0 @z2z_4x4 +UMIN_nn 1100000 1 .. 1 ..... 1011.0 00001 .... 1 @z2z_2x2 +UMIN_nn 1100000 1 .. 1 ..... 1011.0 00001 .... 1 @z2z_4x4 + +FMAX_nn 1100000 1 .. 1 ..... 1011.0 01000 .... 0 @z2z_2x2 +FMAX_nn 1100000 1 .. 1 ..... 1011.0 01000 .... 0 @z2z_4x4 +FMIN_nn 1100000 1 .. 1 ..... 1011.0 01000 .... 1 @z2z_2x2 +FMIN_nn 1100000 1 .. 1 ..... 1011.0 01000 .... 1 @z2z_4x4 +FMAXNM_nn 1100000 1 .. 1 ..... 1011.0 01001 .... 0 @z2z_2x2 +FMAXNM_nn 1100000 1 .. 1 ..... 1011.0 01001 .... 0 @z2z_4x4 +FMINNM_nn 1100000 1 .. 1 ..... 1011.0 01001 .... 1 @z2z_2x2 +FMINNM_nn 1100000 1 .. 1 ..... 1011.0 01001 .... 1 @z2z_4x4 + +SRSHL_nn 1100000 1 .. 1 ..... 1011.0 10001 .... 0 @z2z_2x2 +SRSHL_nn 1100000 1 .. 1 ..... 1011.0 10001 .... 0 @z2z_4x4 +URSHL_nn 1100000 1 .. 1 ..... 1011.0 10001 .... 1 @z2z_2x2 +URSHL_nn 1100000 1 .. 1 ..... 1011.0 10001 .... 1 @z2z_4x4 + +SQDMULH_nn 1100000 1 .. 1 ..... 1011.1 00000 .... 0 @z2z_2x2 +SQDMULH_nn 1100000 1 .. 1 ..... 1011.1 00000 .... 0 @z2z_4x4 --=20 2.43.0