From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi1-x235.google.com (mail-oi1-x235.google.com [IPv6:2607:f8b0:4864:20::235]) by sourceware.org (Postfix) with ESMTPS id BDDA83858D1E for ; Tue, 31 Oct 2023 23:45:04 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org BDDA83858D1E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=rivosinc.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=rivosinc.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org BDDA83858D1E Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2607:f8b0:4864:20::235 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1698795906; cv=none; b=HDdWxWZNjou7xV9RAhjiBJOb+Wh47/ZYUVoQfwBPOJhZRTLDc1cpH806ayqwsfqZDWq9Zu87tlWpejQo/LFyV881hVHaXBFqnJuxVKSWGIrsrhp+ZVm0eTMzLMPC+0QqzEFu1441qh+mzT8kK/GTlSGt/f3L/hNg0YMMSP3Z5wg= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1698795906; c=relaxed/simple; bh=2LAamNp7UAZ4TwM05FqT1MaHcHnMqEMMhmzRPrYDcao=; h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:From:To; b=Vgtb4pu+eush6D1zxFYGkWq6V3GI9K1vCmgUknxUMA1vA8hQB1gyxsBVxdsP/2bmeYbbbu8c7MjCI55VUjTsqzhnlj5bNzephblUPUzS4tyyaGVTbctnDZGbzOCFqyTJc+pZOQVbMNm9+iJAhGI/AJOs9bVTZ6RaT2u1qOGNLAc= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-oi1-x235.google.com with SMTP id 5614622812f47-3b2e07e5f3aso185321b6e.0 for ; Tue, 31 Oct 2023 16:45:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1698795904; x=1699400704; darn=gcc.gnu.org; h=content-transfer-encoding:in-reply-to:references:cc:to:from :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=Ko4gIJmbODx15vtZRZdvQB5vxhQtqaxlTt1KKw+OzqE=; b=UTrQrLkiDY2OxFzhcwOO0dD7DawYdYIf20KVUMJ34I+IZ2pRJZIJ1F/F9AIV00vpI2 8aj/NoUcvp+imyUV3NHl0jMx6a4LyFoeja4YLTTIqZCy922gLmqrYxGYLJfnyEQWGdVd Tkoxl23LeE7TjTmpV3JbjMaM92Iz4k3Nd6B3xFz5FhAMOW236nin/j2fsH5h6opm/IQV TFPSY73+XZIZZ/U6VCIWz+OITC8uMJCLUo7JQwSG0NMJ7ZBSWZ2DhvuTvZwvYalnde5S NNrGsqiGbs0paqj6CbjOlvJB5u06aAkmE2AHjeVEn7FQu1NNxpvVeqWmfdZNzkg73jpZ v5gA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698795904; x=1699400704; h=content-transfer-encoding:in-reply-to:references:cc:to:from :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Ko4gIJmbODx15vtZRZdvQB5vxhQtqaxlTt1KKw+OzqE=; b=dwzbmBQ1mcWaj84zF9WodwismiYT0WVDr/S0ePgYNqfI34QFZ1pSMkRvu8VxRxiCb1 r1q3CjTCH8ALOc3qP4LXwdoZgVoPpCVwL8kx1x8L1tuY0PM8bd7JgrU44abBuFnddTCl U6Tk/wmr4nB+/uF8o88PUWiz0ybMCWUPFkjUvtxQC1iby5XrSm6tW/cOL3wdmqo47g+R nFGKI/mYeFmUvt4HcozoHInOKlsoYzxgKrfGDFAoPxcDrEK/bArgDSXwQjVvJ6o2xlSi bMnOUuZPGR3ZTZCw5mtCEo9BZJICcz58cXmeuOT0/l9Qb9cE22wMQ5hYfSg9SvJxzFsk M+3g== X-Gm-Message-State: AOJu0Yw/4WYAmxus+ivwmMnEN2Jm6+PofQj6AXXVjqICxALuscmgiFVQ DVpG6EyCZIcuTS846r7h/S98uQ== X-Google-Smtp-Source: AGHT+IFtcndAMsNesYaGILbdRf7stODcQo4x5xYVup3okWkU1vq+QZNIKFGCXFzqgf2I0ee13FWAfA== X-Received: by 2002:a05:6808:4c9:b0:3b2:f500:6ee0 with SMTP id a9-20020a05680804c900b003b2f5006ee0mr460465oie.28.1698795904039; Tue, 31 Oct 2023 16:45:04 -0700 (PDT) Received: from [10.0.16.165] ([12.44.203.122]) by smtp.gmail.com with ESMTPSA id 22-20020aca2116000000b003af642cf646sm58821oiz.37.2023.10.31.16.45.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 31 Oct 2023 16:45:03 -0700 (PDT) Message-ID: <60196cce-dd51-4377-b739-e9df169f0741@rivosinc.com> Date: Tue, 31 Oct 2023 16:45:02 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] RISC-V: elide unnecessary sign extend when expanding cmp_and_jump Content-Language: en-US From: Vineet Gupta To: Jeff Law , gcc-patches@gcc.gnu.org Cc: gnu-toolchain@rivosinc.com, Robin Dapp References: <20231030032122.757369-1-vineetg@rivosinc.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-5.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 10/30/23 16:21, Vineet Gupta wrote: >> I don't guess you have data on how this impacts dynamic instruction >> counts on anything significant do you? > > No, haven't run it yet. I can fire one though. I doubt if this is as > significant as the prev one, even if this is the right thing to do. Very very small improvement overall 49,318,030,233,258 (w/o patch) 49,318,000,693,233 (W/ patch)