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Wed, 02 Jul 2025 05:38:51 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org Subject: [PATCH v3 77/97] target/arm: Implement DUPQ for SME2p1/SVE2p1 Date: Wed, 2 Jul 2025 06:33:50 -0600 Message-ID: <20250702123410.761208-78-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250702123410.761208-1-richard.henderson@linaro.org> References: <20250702123410.761208-1-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::234; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x234.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: 1751461512571116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/tcg/translate-sve.c | 21 +++++++++++++++++++++ target/arm/tcg/sve.decode | 6 ++++++ 2 files changed, 27 insertions(+) diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index 53db8851bf..e33b2eb2a4 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -2249,6 +2249,27 @@ static bool trans_DUP_x(DisasContext *s, arg_DUP_x *= a) return true; } =20 +static bool trans_DUPQ(DisasContext *s, arg_DUPQ *a) +{ + unsigned vl, dofs, nofs; + + if (!dc_isar_feature(aa64_sme2p1_or_sve2p1, s)) { + return false; + } + if (!sve_access_check(s)) { + return true; + } + + vl =3D vec_full_reg_size(s); + dofs =3D vec_full_reg_offset(s, a->rd); + nofs =3D vec_reg_offset(s, a->rn, a->imm, a->esz); + + for (unsigned i =3D 0; i < vl; i +=3D 16) { + tcg_gen_gvec_dup_mem(a->esz, dofs + i, nofs + i, 16, 16); + } + return true; +} + static void do_insr_i64(DisasContext *s, arg_rrr_esz *a, TCGv_i64 val) { typedef void gen_insr(TCGv_ptr, TCGv_ptr, TCGv_i64, TCGv_i32); diff --git a/target/arm/tcg/sve.decode b/target/arm/tcg/sve.decode index db16849731..2650e00f80 100644 --- a/target/arm/tcg/sve.decode +++ b/target/arm/tcg/sve.decode @@ -577,6 +577,12 @@ DUP_s 00000101 .. 1 00000 001110 ..... .....= @rd_rn DUP_x 00000101 .. 1 ..... 001000 rn:5 rd:5 \ &rri imm=3D%imm7_22_16 =20 +# SVE Permute Vector - one source quadwords +DUPQ 00000101 001 imm:4 1 001001 rn:5 rd:5 &rri_esz e= sz=3D0 +DUPQ 00000101 001 imm:3 10 001001 rn:5 rd:5 &rri_esz e= sz=3D1 +DUPQ 00000101 001 imm:2 100 001001 rn:5 rd:5 &rri_esz e= sz=3D2 +DUPQ 00000101 001 imm:1 1000 001001 rn:5 rd:5 &rri_esz e= sz=3D3 + # SVE insert SIMD&FP scalar register INSR_f 00000101 .. 1 10100 001110 ..... ..... @rdn_rm =20 --=20 2.43.0