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=-8.9 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 D3DE8C433E6 for ; Sat, 29 Aug 2020 17:52:42 +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 9820B204FD for ; Sat, 29 Aug 2020 17:52:42 +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="feo4+IRw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9820B204FD 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]:42328 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kC51t-0002uz-OK for qemu-devel@archiver.kernel.org; Sat, 29 Aug 2020 13:52:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42000) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kC51G-0002Jz-7Q for qemu-devel@nongnu.org; Sat, 29 Aug 2020 13:52:02 -0400 Received: from mail-pj1-x102e.google.com ([2607:f8b0:4864:20::102e]:38694) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kC51E-0007pL-MZ for qemu-devel@nongnu.org; Sat, 29 Aug 2020 13:52:01 -0400 Received: by mail-pj1-x102e.google.com with SMTP id ls14so978686pjb.3 for ; Sat, 29 Aug 2020 10:52:00 -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=BQk2gspOzA7zjipUzoc5tLshVhifeIx1yplsJ98tnb4=; b=feo4+IRwwkxhSabEuF1ZeVCtxBz/LRZp2n4HowitJ29Pcmxk+TNkItoKBAO7kmjxm+ GOk1YDB5yH+2leSCJCkdCWFQo2qjm8fUu4nF0Dxd3/mGpjXvK9XB6+czyeBNGrKQ6lR+ d2SQvXDx7s8Nn5ypCKKM4QjO6OutMAIAv75hQUoemVstQKBest6sKiaSKZUSNIuOnqJe DyUMsPCLxnlHBJXlu0OpXqFL0WuWbn+BW2LceCE/4TU9pGGC9649k1en/xR6FYDDBuxB tOyQc7XIbJiVMWexTWAnaMnI5NtNZoKgq0/tVeGxPy/QhO+zmEaVshLq1URrlASQHA8I 2zrw== 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=BQk2gspOzA7zjipUzoc5tLshVhifeIx1yplsJ98tnb4=; b=h0CoumITnQmAMaXJQgCtNooDHwsOG0+AtOzDJCiCqQgYjDrJJqYd760rh3w2Jf14zd 3bKNqGZB+j7gGauv893JImXl/mbaDsA3WtqlhVCEHXKMHm+TlRb1W97NYq/GTG5KaZy4 nkHjkKWTBlhlbxSrarR/5iDWXZJeuonJkvLW378hhpzc9CJVJ2muRdH1oS1x3cOPVXOR 6PensTujB/8aBSmpE0leYqcUamXdrF2UMGwSVaNe/CaN5tcoV/nWqbG65TOgvSpD1XIT yX486aRI5xzqxIZpUSXuRJcz3DFQhNGSG0GKO3DFnwEPm0/CdOwK5RyMr4VLze/Sft+L Abfw== X-Gm-Message-State: AOAM532eNyQ6hYKubuADvw3AVoDDAgJQWKW+jwAcOsVocGUkWnhKUnwO KffbFZiPEBFCKYr/5hws8742EQ== X-Google-Smtp-Source: ABdhPJyKI4PwDXtrMksjus4Peg1tsemT9r5tZG8cJY2XHuKmRbccYAB43zzGcl5nRDU0dHfr4XusYA== X-Received: by 2002:a17:90a:4541:: with SMTP id r1mr3835691pjm.88.1598723519165; Sat, 29 Aug 2020 10:51:59 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id kb3sm2453767pjb.41.2020.08.29.10.51.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 29 Aug 2020 10:51:58 -0700 (PDT) Subject: Re: [RFC v4 15/70] target/riscv: introduce more imm value modes in translator functions To: frank.chang@sifive.com, qemu-devel@nongnu.org, qemu-riscv@nongnu.org References: <20200817084955.28793-1-frank.chang@sifive.com> <20200817084955.28793-16-frank.chang@sifive.com> From: Richard Henderson Message-ID: <073f361b-c58c-c938-183d-eba5cbd3d259@linaro.org> Date: Sat, 29 Aug 2020 10:51:56 -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: <20200817084955.28793-16-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::102e; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102e.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: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 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, NICE_REPLY_A=-0.809, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: Palmer Dabbelt , Alistair Francis , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 8/17/20 1:49 AM, frank.chang@sifive.com wrote: > From: Frank Chang > > Immediate value in translator function is extended not only > zero-extended and sign-extended but with more modes to be applicable > with multiple formats of vector instructions. > > * IMM_ZX: Zero-extended > * IMM_SX: Sign-extended > * IMM_TRUNC_SEW: Truncate to log(SEW) bit > * IMM_TRUNC_2SEW: Truncate to log(2*SEW) bit > > Signed-off-by: Frank Chang > --- > target/riscv/insn_trans/trans_rvv.inc.c | 115 ++++++++++++++---------- > 1 file changed, 66 insertions(+), 49 deletions(-) Reviewed-by: Richard Henderson r~