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[59.124.168.89]) by smtp.gmail.com with ESMTPSA id oj11sm17904040pjb.46.2021.11.28.19.07.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Nov 2021 19:07:54 -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 :mime-version:content-transfer-encoding; bh=FDVelnyvTrVRr2w/aSQUjI8PmccgLdv1IGhjWt6LpFs=; b=HUDYGbFEOp0k3QCzvL8CFdoLPlDG/qgTM66gkrpKuBGJTPzHnPAzkPikmJt6TOtaAA 60/i+uYMiST9Atv/vwI2M96D3BPatuO7AwT3IpB2fsQagq9MRkpwp0HStsGIltW9UPDz 82Pbpm+q/X87v/0T/jE0JYPjziaptSd8rzN4aZfjhqzevELLlPinkCCzf/9fMeGEWSH/ 8qFo1gm2c1653OuLZDvWcGtMIBcF50VeefsRf5/gq/mg9UAHzQumpjhB6Y8joRA2dNWZ WQ5HeRgKZnGkohTdoQ6I+3bb1qzmoZg6jig5JW7q7v8rDccNAQMvvUBpaPpejbizI+FV hLdQ== 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=hEfJmXUxF1+9jw7jHOhH4LqpDsNVgwm8kl32FRR/B/FSOKc5XbD4V48xPyNKWg3uYV ZWV+JBBzKRL94AeKvNFWfu1MLPgGhoMRi7VK3RqCqO4TPMC2CkJik+6yryTe9Ad6WA8O FUC07e8Jq3IYJKogsYcclKJLT72F4IT/qihkzl7+2y+4tJHlistnYR+uWVT/ytwnmmaE vRI7nZ6VDsGffsiv4pWiMoMM/gXawFW5FW2KVhohRU2o7y8vhqYQ+VB6x9ae5ZJxwJRl tRRMi6yPyuKXH5wiMdi1olOZf9ZnY7YKzzukiA2s/FRIl5K+0cMW2N3WB1IPsCFuvBm+ wWXw== X-Gm-Message-State: AOAM531a+p7fVF1jq7wO4ON3cvUnnCZj/Puzxfx6sThYpg2gS39BlLCP 1XPn28usVonHWgdgkOveToeYQCqxXav8zATr X-Google-Smtp-Source: ABdhPJyLCUN63QRetH9QAEQmqDWFUAoAe0pnta8wHydY6MSWaeucICUT+9rhE2N0QVlkE8SBxk60BA== X-Received: by 2002:a63:33cc:: with SMTP id z195mr33468712pgz.339.1638155274613; Sun, 28 Nov 2021 19:07:54 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org Subject: [PATCH v10 50/77] target/riscv: rvv-1.0: slide instructions Date: Mon, 29 Nov 2021 11:03:10 +0800 Message-Id: <20211129030340.429689-51-frank.chang@sifive.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211129030340.429689-1-frank.chang@sifive.com> References: <20211129030340.429689-1-frank.chang@sifive.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::429 (failed) 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::429; envelope-from=frank.chang@sifive.com; helo=mail-pf1-x429.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: , Cc: qemu-riscv@nongnu.org, Frank Chang , Bin Meng , Richard Henderson , Alistair Francis , Palmer Dabbelt 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: 1638157115141100001 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