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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id p11sm7083709pjb.31.2021.02.25.19.23.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Feb 2021 19:23:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=lz/W3BW+1lR1i74Oi5nMJEIOHCSiAJcSkdzoESnLrJo=; b=d+wHXA+xMDBjutKtkLXhNR9GhuHX0OLL1fiXvOdRVDW0e3xJdjBZr4BUy893nTxfLl wFEYLSmCSPs5Jmv4fSU+HULYlah2O7oAxHGsosBZC6tuhXCHODalIh8bcNR0t7pVZRco A+plmX0yXaFI2Yc04WFC50n6ePSoULArv5wS0MKWxkd/4gsvU8s8My8aEvVgI0MvFb2P E99mXsJxKmd9mk/+hajPIp+wpMqtCNUdr+kk21YWED7g0il6mqmpoZGo/EN7aFPvs5Sj hr8p0h1+1qa9mzpjsCYn5fmxuOJ/Q3cXgKA8vdL+Sg8fkn3wxRnzGKOuYGWhH1DmERGv 5TUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=lz/W3BW+1lR1i74Oi5nMJEIOHCSiAJcSkdzoESnLrJo=; b=i6UM3MjpDUF3EFFq1Yp2KJsrx2ch3NH39oeOFLomDwK1wRhgSWlJk4X7XyApwCrb6P /k+WR3+xqlHAQlRa8ekwfV1Ypse6ymJNLETLIF028aLk4Sh2GdEAE1zL+7jj9gtvqUyc /fzhHG4sgs/Fz5Pojf7rbeKrSTSKLX3ZhtpzLo2Lqbk68dfGOetjgVMGHvB63FCu85qH K5POYQPXlaVb+hi8Mtgf5lz3kZskbF0V2Tm50/Zq/cyhJtfOGd+lCE18Zq4kBaOMXYLQ 7OXs92+t80vacSL9vb9UB/M7dxNEAXRsRVdL3KDF5iXIqeFrBLmInvsFYKPgg5d6KC9L M+AA== X-Gm-Message-State: AOAM531rjioiyT4WpwFATkNdeRa7Vj0MHyw5qf3rJSqUlE632JrVDFrR 1PyLfzhCOnkaIEJzP3dKRnAZya1UJCkrcA== X-Google-Smtp-Source: ABdhPJx/0MXa6HdNP57iswzJisu91MmxNVoOVkH4iCrifqZqoeHLzB7lfVpVJG/Y7K4mCNi/L8sybw== X-Received: by 2002:a17:902:7286:b029:e3:cec5:f0cb with SMTP id d6-20020a1709027286b02900e3cec5f0cbmr1213840pll.70.1614309840092; Thu, 25 Feb 2021 19:24:00 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v7 49/75] target/riscv: rvv-1.0: slide instructions Date: Fri, 26 Feb 2021 11:18:33 +0800 Message-Id: <20210226031902.23656-50-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210226031902.23656-1-frank.chang@sifive.com> References: <20210226031902.23656-1-frank.chang@sifive.com> 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::1033; envelope-from=frank.chang@sifive.com; helo=mail-pj1-x1033.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Frank Chang , Alistair Francis , Palmer Dabbelt , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Frank Chang * Remove clear function from helper functions as the tail elements are unchanged in RVV 1.0. Signed-off-by: Frank Chang Reviewed-by: Richard Henderson --- target/riscv/vector_helper.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index a2ef6b708c8..fac387353fb 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4639,17 +4639,22 @@ GEN_VEXT_VSLIDEUP_VX(vslideup_vx_d, uint64_t, H8) void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2, \ CPURISCVState *env, uint32_t desc) \ { \ - uint32_t vlmax =3D env_archcpu(env)->cfg.vlen; = \ + uint32_t vlmax =3D vext_max_elems(desc, ctzl(sizeof(ETYPE))); = \ uint32_t vm =3D vext_vm(desc); = \ uint32_t vl =3D env->vl; = \ - target_ulong offset =3D s1, i; = \ + target_ulong i_max, i; \ \ - for (i =3D 0; i < vl; ++i) { = \ - target_ulong j =3D i + offset; = \ - if (!vm && !vext_elem_mask(v0, i)) { \ - continue; \ + i_max =3D MIN(s1 < vlmax ? vlmax - s1 : 0, vl); = \ + for (i =3D 0; i < i_max; ++i) { = \ + if (vm || vext_elem_mask(v0, i)) { \ + *((ETYPE *)vd + H(i)) =3D *((ETYPE *)vs2 + H(i + s1)); = \ + } \ + } \ + \ + for (i =3D i_max; i < vl; ++i) { = \ + if (vm || vext_elem_mask(v0, i)) { \ + *((ETYPE *)vd + H(i)) =3D 0; = \ } \ - *((ETYPE *)vd + H(i)) =3D j >=3D vlmax ? 0 : *((ETYPE *)vs2 + H(j)= ); \ } \ } =20 --=20 2.17.1