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,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 D4616C433E7 for ; Thu, 15 Oct 2020 17:25:05 +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 19CF422210 for ; Thu, 15 Oct 2020 17:25:05 +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="aVOgFiyf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 19CF422210 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]:51874 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kT6zw-0000uN-22 for qemu-devel@archiver.kernel.org; Thu, 15 Oct 2020 13:25:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52596) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kT6yF-00083P-Fp for qemu-devel@nongnu.org; Thu, 15 Oct 2020 13:23:19 -0400 Received: from mail-pl1-x641.google.com ([2607:f8b0:4864:20::641]:38545) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kT6yD-0005ew-7x for qemu-devel@nongnu.org; Thu, 15 Oct 2020 13:23:18 -0400 Received: by mail-pl1-x641.google.com with SMTP id p11so1979959pld.5 for ; Thu, 15 Oct 2020 10:23:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:from:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=rvV8nPTH0XUu4R56Xw963w+XbAEG2bIZP3GDo9KDS4Y=; b=aVOgFiyfCVjKfMBGoCeEGKP2x5RdS/nfZxHUuh3m59rtylOLnFtth4G+A8wvtxID2Y LCxCKai1CCjOdT7moplXQQ68hTPBLMr5n4trneS2liJW04DUSJDZwfSgGN7x8A6P4+rN WYO85ROFXwd4e3xKCXi0aplQq2ay1KRugQPgpL8z7GxYNpYsoo9JFKitePaHenX6ayZs vAN8JJV9TbnnHAizheJjdzVGMaEVa3ZOyWJstGu+7KJGHfDcSCZ+KWSfZXaoYQ3n/+l9 fOytnaMZLZetJoxn3KLTAU9/gGa+nfqPPAMUFVTuUy96LbLlPHKbbeW3MHW12dVZgmRC 4ngA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=rvV8nPTH0XUu4R56Xw963w+XbAEG2bIZP3GDo9KDS4Y=; b=XlG4Nr7HnpRoT1LVstUn2eclFlehIBmbtbaApKPcKra+v1niGajIZdu6St/c7L8L6V r5QSa8D3akf1nsT6odohilFUZSbyLtL7piObhEMzJwwtF9JVZA2qQ+qSD8n/u7nPJ8/j 8YNqofzHyUHGviiiUiy5Lp28HKHSsriBS/xp/4DFra5BQwU6TYPpQDrO+fy+dGGBEwRj 1DTJX60NtPpV6hrUDi9uBK2y/Fgy61BRNJ1aHF97e/mfwFsMADCI0tkrkd421ePju3n8 sgz7L1KRa+9JOX6Wgrfyr7ziY6wk+jNgC+Tz6NwDVR08AKj9pkLNbQZIeo/kMcl7EegY n4Zg== X-Gm-Message-State: AOAM530bMaGr72fIxiT0hW7sywrXO6QdDAkTAzIU3FvxJxUPQtZVFdic UEfX61TCgTjIvG60xj2wJg9mAA== X-Google-Smtp-Source: ABdhPJwFwviTyiXuJPHCyru6EuM19YEQI4tR7w4mkZ9kKoUhQhzCkWwKXy//xi7bzonf9NIzwvGdhA== X-Received: by 2002:a17:90a:67cb:: with SMTP id g11mr5552656pjm.226.1602782595590; Thu, 15 Oct 2020 10:23:15 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id u25sm3833190pgl.31.2020.10.15.10.23.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 Oct 2020 10:23:14 -0700 (PDT) Subject: Re: [PATCH v2 00/10] softfloat: Implement float128_muladd From: Richard Henderson To: qemu-devel@nongnu.org References: <20200925152047.709901-1-richard.henderson@linaro.org> Message-ID: <32f5366f-ec30-a41d-1be8-c23eb9c1dd57@linaro.org> Date: Thu, 15 Oct 2020 10:23:12 -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: <20200925152047.709901-1-richard.henderson@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::641; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x641.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: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 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, NICE_REPLY_A=-1.019, 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: bharata@linux.ibm.com, alex.bennee@linaro.org, david@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Ping. On 9/25/20 8:20 AM, Richard Henderson wrote: > Plus assorted cleanups, passes tests/fp/fp-test. > > Changes in v2: > * Add UInt256 type (david) > * Rewrite and inline shift256RightJamming. This keeps the whole > UInt256 in registers, avoiding long sequences of loads and stores. > * Add x86_64 assembly for double shifts. I don't know why the > compiler can't recognize this pattern, but swapping values in > and out of %cl (the only register in the base isa that can > hold a variable shift) is really ugly. > * Add ppc64 assembly. > > > r~ > > > Richard Henderson (10): > softfloat: Use mulu64 for mul64To128 > softfloat: Use int128.h for some operations > softfloat: Tidy a * b + inf return > softfloat: Add float_cmask and constants > softfloat: Inline pick_nan_muladd into its caller > softfloat: Implement float128_muladd > softfloat: Use x86_64 assembly for {add,sub}{192,256} > softfloat: Use x86_64 assembly for sh[rl]_double > softfloat: Use aarch64 assembly for {add,sub}{192,256} > softfloat: Use ppc64 assembly for {add,sub}{192,256} > > include/fpu/softfloat-macros.h | 109 +++--- > include/fpu/softfloat.h | 2 + > fpu/softfloat.c | 620 ++++++++++++++++++++++++++++++--- > tests/fp/fp-test.c | 2 +- > tests/fp/wrap.c.inc | 12 + > 5 files changed, 652 insertions(+), 93 deletions(-) >