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Fri, 04 Jul 2025 09:25:37 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 038/119] target/arm: Implement SME2 MOVA to/from array, multiple registers Date: Fri, 4 Jul 2025 17:23:38 +0100 Message-ID: <20250704162501.249138-39-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250704162501.249138-1-peter.maydell@linaro.org> References: <20250704162501.249138-1-peter.maydell@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=2a00:1450:4864:20::32e; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32e.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: 1751647074974116600 Content-Type: text/plain; charset="utf-8" From: Richard Henderson Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Message-id: 20250704142112.1018902-27-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/tcg/translate.h | 5 +++++ target/arm/tcg/sme.decode | 12 ++++++++++++ target/arm/tcg/translate-sme.c | 30 ++++++++++++++++++++++++++++++ 3 files changed, 47 insertions(+) diff --git a/target/arm/tcg/translate.h b/target/arm/tcg/translate.h index 7336b7db721..a18d07540e6 100644 --- a/target/arm/tcg/translate.h +++ b/target/arm/tcg/translate.h @@ -210,6 +210,11 @@ static inline int plus_2(DisasContext *s, int x) return x + 2; } =20 +static inline int plus_8(DisasContext *s, int x) +{ + return x + 8; +} + static inline int plus_12(DisasContext *s, int x) { return x + 12; diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode index 5eca5f4acff..37bd0c6198d 100644 --- a/target/arm/tcg/sme.decode +++ b/target/arm/tcg/sme.decode @@ -27,6 +27,8 @@ ZERO_zt0 11000000 01 001 00000000000 00000001 ### SME Move into/from Array =20 %mova_rs 13:2 !function=3Dplus_12 +%mova_rv 13:2 !function=3Dplus_8 +&mova_a rv zr off &mova_p esz rs pg zr za off v:bool &mova_t esz rs zr za off v:bool =20 @@ -88,6 +90,16 @@ MOVA_zt4 11000000 10 00011 0 v:1 .. 001 000 za:2 = zr:3 00 \ MOVA_zt4 11000000 11 00011 0 v:1 .. 001 00 za:3 zr:3 00 \ &mova_t rs=3D%mova_rs esz=3D3 off=3D0 =20 +MOVA_az2 11000000 00 00010 00 .. 010 zr:4 000 off:3 \ + &mova_a rv=3D%mova_rv +MOVA_az4 11000000 00 00010 00 .. 011 zr:3 0000 off:3 \ + &mova_a rv=3D%mova_rv + +MOVA_za2 11000000 00 00011 00 .. 010 00 off:3 zr:4 0 \ + &mova_a rv=3D%mova_rv +MOVA_za4 11000000 00 00011 00 .. 011 00 off:3 zr:3 00 \ + &mova_a rv=3D%mova_rv + ### SME Move into/from ZT0 =20 MOVT_rzt 1100 0000 0100 1100 0 off:3 00 11111 rt:5 diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c index 7d4c7d7e855..7b275dd2b84 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -298,6 +298,36 @@ TRANS_FEAT(MOVA_tz4, aa64_sme2, do_mova_tile_n, a, 4, = false) TRANS_FEAT(MOVA_zt2, aa64_sme2, do_mova_tile_n, a, 2, true) TRANS_FEAT(MOVA_zt4, aa64_sme2, do_mova_tile_n, a, 4, true) =20 +static bool do_mova_array_n(DisasContext *s, arg_mova_a *a, int n, bool to= _vec) +{ + TCGv_ptr t_za; + int svl; + + if (!sme_smza_enabled_check(s)) { + return true; + } + + svl =3D streaming_vec_reg_size(s); + t_za =3D get_zarray(s, a->rv, a->off, n, 0); + + for (int i =3D 0; i < n; ++i) { + int o_za =3D (svl / n * sizeof(ARMVectorReg)) * i; + int o_zr =3D vec_full_reg_offset(s, a->zr * n + i); + + if (to_vec) { + tcg_gen_gvec_mov_var(MO_8, tcg_env, o_zr, t_za, o_za, svl, svl= ); + } else { + tcg_gen_gvec_mov_var(MO_8, t_za, o_za, tcg_env, o_zr, svl, svl= ); + } + } + return true; +} + +TRANS_FEAT(MOVA_az2, aa64_sme2, do_mova_array_n, a, 2, false) +TRANS_FEAT(MOVA_az4, aa64_sme2, do_mova_array_n, a, 4, false) +TRANS_FEAT(MOVA_za2, aa64_sme2, do_mova_array_n, a, 2, true) +TRANS_FEAT(MOVA_za4, aa64_sme2, do_mova_array_n, a, 4, true) + static bool do_movt(DisasContext *s, arg_MOVT_rzt *a, void (*func)(TCGv_i64, TCGv_ptr, tcg_target_long)) { --=20 2.43.0