From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9513EC433E0 for ; Thu, 30 Jul 2020 14:51:52 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 620712070B for ; Thu, 30 Jul 2020 14:51:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="VfP8HJCx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 620712070B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:39678 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k19uR-0001H2-LP for qemu-devel@archiver.kernel.org; Thu, 30 Jul 2020 10:51:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35188) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k19tQ-0008Rn-25 for qemu-devel@nongnu.org; Thu, 30 Jul 2020 10:50:48 -0400 Received: from mail-pj1-x102d.google.com ([2607:f8b0:4864:20::102d]:55128) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k19tN-0001Q0-5i for qemu-devel@nongnu.org; Thu, 30 Jul 2020 10:50:47 -0400 Received: by mail-pj1-x102d.google.com with SMTP id mt12so4402075pjb.4 for ; Thu, 30 Jul 2020 07:50:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=HY/RzSHyQvwyWF/W//ebYNIPd1zGtRDEdOWAmCIIwkA=; b=VfP8HJCx1/chqGqr0rbiMbsIEQxWoZl61U5rUSUFjxWsK6x8wZfvU9fqciBqIdaNVe miVsjTTI7Y6azZFNG60/v5O0T8t4eFJ2E9pzcBr+5QdVGXE5Lh7IJtY77B+PjP0w8XfV f1z8vMtJCxMgtLq/Xzv0Swd/BhxVvWVf2r9nfZBq6wEkIxeG2nxUnoaKNwsL315iZDMB cjG97NM+C2Jj5H5BO48PyKdYPNDeIonoCUSzGSxcvhyQHLfBqo+E29uSmKxx1NDKu6uk ufkgdaDZEoa64KystAX4yTUgBb4pnSzn/tY2FafFGFbE58UgO6xaohT8XSPkAZUYfvCy tTVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=HY/RzSHyQvwyWF/W//ebYNIPd1zGtRDEdOWAmCIIwkA=; b=B6+Hw7KuPk/KSxawjFZ0NSjk465XEtYKfN9IZmTf+pHTMHsS4wN4Vh+0GGMsBnuJvP LVaQgtdARgp4XgwrnSwckxMbwx25tBMHo6aDe7B2DttLjgFEIZ7EBHc7JKpdEZPkvYml qdMjWys1E5g034h2In9H1eNzgmoBCpOuCT54xo3ZoN/KMcI2QX3zb2I4jth9nKBz1Ooe odztfe5aI0wzdKE6hibCr3itMcfyvjbF267JPgbHlaqdxrPpdKyv4FtDfeGCZmRDWV18 yp68gFI0mbrjEDLQOuD+q/hRav3zEjw2h8dO+fpAJIBWniGLXnUMUYnJItiiFVPzBmUn YGSA== X-Gm-Message-State: AOAM530t5IgXajsepux/+bnSEu1kew5hK5xjRNBgsOBy2ldJN0xiHXB5 ferNZN7k8NvZDhk33J9x6SYH8w== X-Google-Smtp-Source: ABdhPJyZ778w6ILenejAQbdbsDkIfO45nlA2lLrWnPREXNnSOiSEJ6xjj5TP+9k433IF6Qf/J4kZwQ== X-Received: by 2002:aa7:9357:: with SMTP id 23mr3688671pfn.278.1596120643525; Thu, 30 Jul 2020 07:50:43 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id r1sm3102696pgi.28.2020.07.30.07.50.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 30 Jul 2020 07:50:42 -0700 (PDT) Subject: Re: [RFC v2 39/76] target/riscv: rvv-0.9: integer scalar move instructions To: frank.chang@sifive.com, qemu-devel@nongnu.org, qemu-riscv@nongnu.org References: <20200722091641.8834-1-frank.chang@sifive.com> <20200722091641.8834-40-frank.chang@sifive.com> From: Richard Henderson Message-ID: Date: Thu, 30 Jul 2020 07:50:40 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200722091641.8834-40-frank.chang@sifive.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::102d; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102d.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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: Alistair Francis , Palmer Dabbelt , LIU Zhiwei , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 7/22/20 2:16 AM, frank.chang@sifive.com wrote: > +/* vmv.x.s rd, vs2 # x[rd] = vs2[0] */ > +static bool trans_vmv_x_s(DisasContext *s, arg_vmv_x_s *a) > +{ > + if (require_rvv(s) && > + vext_check_isa_ill(s)) { > + TCGv_i64 t1; > + TCGv dest; > + > + t1 = tcg_temp_new_i64(); > + dest = tcg_temp_new(); > + /* > + * load vreg and sign-extend to 64 bits, > + * then truncate to XLEN bits before storing to gpr. > + */ > + vec_element_loadi(s, t1, a->rs2, 0, true); > + tcg_gen_trunc_i64_tl(dest, t1); > + gen_set_gpr(a->rd, dest); > + tcg_temp_free_i64(t1); > + tcg_temp_free(dest); > + mark_vs_dirty(s); No need to mark the vector set dirty, since we're modifying general regs. Otherwise, Reviewed-by: Richard Henderson r~