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Fri, 04 Jul 2025 07:21:53 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v4 038/108] target/arm: Implement SME2 BFDOT Date: Fri, 4 Jul 2025 08:20:01 -0600 Message-ID: <20250704142112.1018902-39-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::2a; envelope-from=richard.henderson@linaro.org; helo=mail-oa1-x2a.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: 1751639299526116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/translate-sme.c | 17 +++++++++++++++++ target/arm/tcg/sme.decode | 9 +++++++++ 2 files changed, 26 insertions(+) diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c index 761584c90b..965a49465e 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -921,3 +921,20 @@ static bool do_fdot_nx(DisasContext *s, arg_azx_n *a) } =20 TRANS_FEAT(FDOT_nx, aa64_sme2, do_fdot_nx, a) + +static bool do_bfdot(DisasContext *s, arg_azz_n *a, bool multi) +{ + return do_azz_acc_fp(s, a->n, 1, a->rv, a->off, a->zn, a->zm, 0, 0, + multi, FPST_ENV, gen_helper_gvec_bfdot); +} + +TRANS_FEAT(BFDOT_n1, aa64_sme2, do_bfdot, a, false) +TRANS_FEAT(BFDOT_nn, aa64_sme2, do_bfdot, a, true) + +static bool do_bfdot_nx(DisasContext *s, arg_azx_n *a) +{ + return do_azz_acc_fp(s, a->n, 1, a->rv, a->off, a->zn, a->zm, a->idx, = 0, + false, FPST_ENV, gen_helper_gvec_bfdot_idx); +} + +TRANS_FEAT(BFDOT_nx, aa64_sme2, do_bfdot_nx, a) diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode index a2b93519c4..18e625605f 100644 --- a/target/arm/tcg/sme.decode +++ b/target/arm/tcg/sme.decode @@ -288,6 +288,9 @@ BFMLSL_n1 11000001 001 1 .... 0 .. 010 ..... 110 = .. @azz_nx1_o2x2 n=3D4 FDOT_n1 11000001 001 0 .... 0 .. 100 ..... 00 ... @azz_nx1_o3 n= =3D2 FDOT_n1 11000001 001 1 .... 0 .. 100 ..... 00 ... @azz_nx1_o3 n= =3D4 =20 +BFDOT_n1 11000001 001 0 .... 0 .. 100 ..... 10 ... @azz_nx1_o3 n= =3D2 +BFDOT_n1 11000001 001 1 .... 0 .. 100 ..... 10 ... @azz_nx1_o3 n= =3D4 + ### SME2 Multi-vector Multiple Array Vectors =20 %zn_ax2 6:4 !function=3Dtimes_2 @@ -328,6 +331,9 @@ BFMLSL_nn 11000001 101 ...01 0 .. 010 ...00 110 .= . @azz_4x4_o2x2 FDOT_nn 11000001 101 ....0 0 .. 100 ....0 00 ... @azz_2x2_o3 FDOT_nn 11000001 101 ...01 0 .. 100 ...00 00 ... @azz_4x4_o3 =20 +BFDOT_nn 11000001 101 ....0 0 .. 100 ....0 10 ... @azz_2x2_o3 +BFDOT_nn 11000001 101 ...01 0 .. 100 ...00 10 ... @azz_4x4_o3 + ### SME2 Multi-vector Indexed =20 &azx_n n off rv zn zm idx @@ -365,3 +371,6 @@ BFMLSL_nx 11000001 1001 .... 1 .. 1 .. ...00 11 .= .. @azx_4x1_o2x2 =20 FDOT_nx 11000001 0101 .... 0 .. 1 .. ....0 01 ... @azx_2x1_i2_o3 FDOT_nx 11000001 0101 .... 1 .. 1 .. ...00 01 ... @azx_4x1_i2_o3 + +BFDOT_nx 11000001 0101 .... 0 .. 1 .. ....0 11 ... @azx_2x1_i2_o3 +BFDOT_nx 11000001 0101 .... 1 .. 1 .. ...00 11 ... @azx_4x1_i2_o3 --=20 2.43.0