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[123.193.74.252]) by smtp.gmail.com with ESMTPSA id z13sm4271680pfq.130.2021.10.15.00.49.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Oct 2021 00:49:50 -0700 (PDT) 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 :mime-version:content-transfer-encoding; bh=FDVelnyvTrVRr2w/aSQUjI8PmccgLdv1IGhjWt6LpFs=; b=JUM2EixDonSk3KZjMxm8PJhqCaMUa/ruAq7F3BIchqFAgnxnH4JcgOFuUyI66pYD1X mIhek/JYfTwKTROyC6401wSc/bCo/wAhnziuNbkZepclMyH9Af76P+fYtS/JFjNkz8wF bM2mLrkwb6KTWDCDEbLX2dlYw15WVZiDqSROh7ww49HwfeRb2riYOXz3ULtW9zgn1CPq N6M4GCr449nNW03tFS5L2iGPGHbYUDbvBdqoc9fp1HbP411JXTK/2TrSHOFmTMGdQGWt Ha7j2radnhSeI1uEJsrOD6hC3XtHbxgv0PsgGfmm1NKB6yjLF+RfCCRw7XMdoEF5hKEu dksA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=FDVelnyvTrVRr2w/aSQUjI8PmccgLdv1IGhjWt6LpFs=; b=UaKOa9a7noWSjr5LFPIR7+uP2lnDF7Tvhxn/RqoEmAo2mPP7OZ44Piz2IBC/xVtbMY MJyma3p3U1q0uFedxxmPBks+GuP3lJvFXu/LCYc2sqXxsB0lMsZ5LSZaE2krsAkBIz7t J8d+T3beLYfNxMuzLefYT7JRUahrErQsgOa08YCpvFISboMMqPYa19UKX0hQUTlzlDyg 7OOMjTy+p4LtQPBuwSt+iBigiaqjpPYlpTBw/b08DSHmCodndOlestOnS8FisjwIuEUA ZXBIe5qUndgFzMdb+5+Iy4kpsubLF7ClPZSLbsqwe7ChqN0r9RQtD0+G/7iQ4i86uF/N kp9Q== X-Gm-Message-State: AOAM531q7m4sb6wcKYubbTNqIHFB165IpUX5juJickSclI12K24YErgv cS7o5dTp5U97hceuJ8i8KhKX1mmbtz1quA== X-Google-Smtp-Source: ABdhPJzwcW64PUN5Ic8xCwn2n1R07Vc2rz76Ztd/XR+jIBrIhK6ZuYaEzH0f/0l83mThZCP1BN4EsQ== X-Received: by 2002:a17:902:e884:b0:13f:19bf:fc16 with SMTP id w4-20020a170902e88400b0013f19bffc16mr9626247plg.67.1634284190413; Fri, 15 Oct 2021 00:49:50 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v8 50/78] target/riscv: rvv-1.0: slide instructions Date: Fri, 15 Oct 2021 15:45:58 +0800 Message-Id: <20211015074627.3957162-58-frank.chang@sifive.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211015074627.3957162-1-frank.chang@sifive.com> References: <20211015074627.3957162-1-frank.chang@sifive.com> 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::102b; envelope-from=frank.chang@sifive.com; helo=mail-pj1-x102b.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 , Palmer Dabbelt , Alistair Francis , Bin Meng , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1634287164400100001 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 f883fdf4749..d79f59e443e 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4430,17 +4430,22 @@ 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 2.25.1