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Mon, 14 Apr 2025 14:30:18 -0700 (PDT) From: Anton Blanchard To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: Anton Blanchard , Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei Subject: [PATCH] target/riscv: Fix vslidedown with rvv_ta_all_1s Date: Mon, 14 Apr 2025 21:30:06 +0000 Message-Id: <20250414213006.3509058-1-antonb@tenstorrent.com> X-Mailer: git-send-email 2.34.1 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::329; envelope-from=antonb@tenstorrent.com; helo=mail-ot1-x329.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 @tenstorrent.com) X-ZM-MESSAGEID: 1744666272084019100 Content-Type: text/plain; charset="utf-8" vslidedown always zeroes elements past vl, where it should use the tail policy. Signed-off-by: Anton Blanchard Reviewed-by: Alistair Francis --- target/riscv/vector_helper.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 67b3bafebb..1012d38c8a 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -5113,9 +5113,11 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s= 1, void *vs2, \ } \ \ for (i =3D i_max; i < vl; ++i) { = \ - if (vm || vext_elem_mask(v0, i)) { \ - *((ETYPE *)vd + H(i)) =3D 0; = \ + if (!vm && !vext_elem_mask(v0, i)) { \ + vext_set_elems_1s(vd, vma, i * esz, (i + 1) * esz); \ + continue; \ } \ + *((ETYPE *)vd + H(i)) =3D 0; = \ } \ \ env->vstart =3D 0; = \ --=20 2.34.1