From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by sourceware.org (Postfix) with ESMTPS id 16BAD3858D3C for ; Tue, 12 Sep 2023 09:18:01 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 16BAD3858D3C Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ed1-x530.google.com with SMTP id 4fb4d7f45d1cf-52a49a42353so6944131a12.2 for ; Tue, 12 Sep 2023 02:18:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1694510279; x=1695115079; darn=gcc.gnu.org; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:cc:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=mLZey8m3uFEmJMd5f7N9h7yqW8UtNVY4ChP4eFmLZ6k=; b=EcpijmaPyc1cQNLpX68r4j6ehyvSOxPSwl/cxc2MyaWvxn+Lv9pON1pMEFChl1xPwX PgpHy985uKRO4vHwDaHT89tRPhJZSDLs73pcLGb5R4qaIJLh+lFIjbH29xgRlGBhEeI5 XzA2X3yx2tCHQxsb9d91XMPxhQwM3FiU0NHnhi0NeETLI+U22f1Nt5vK33RD6+IOdsQF /X8q8kU6/64I+L0TiPlwEd2vgFcxMS9F6bksbvGxhKDz3fqW2/y8N7+D5QK7xkzIlQZ6 XfBNlT8+8xpiyOmJ2E/MMS00Ros3ruvUcoJh3R+V10td24s2it7J4B5z8xrpai/RjI2y Biig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694510279; x=1695115079; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:cc:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=mLZey8m3uFEmJMd5f7N9h7yqW8UtNVY4ChP4eFmLZ6k=; b=Du+seGnJgtggIaXOwYK6EtqsPjXpeuKJJixTeMEgGDGv1IVb1crvUSjXrCaqxhUU6K rGpMr2xBOIMQ8wHIbmsk2Rj3cffDhhpNa9xiCLvqrZkFYhIKOnBmMZ4FjVxkRB4FQIYP jST2UnGShpElYB4FihP0wVOaSrI/BG/lZxytP3pfNP0LcciNYDlRnAQ0TKxkq2yqzqOB ajwIDLjR22F869ez0ufVMyIl1el/eUueOAgccn+Bo+0XktLxrlRha0CAOSr/gKHMPFOn JOHFhI7bhOYT+vwJAv/kqG2JgiayWVUTsguacP3J5i5CwnkMMrbE2MUCMOJA9hePK/sE tBJQ== X-Gm-Message-State: AOJu0Yyl6VbXRoNJ99ZZMPRKBqWlLEAZJpQ1pCnumqBz0nfAfHW0kovm uA1H3K6wSCkqu+0IbUeQUhE= X-Google-Smtp-Source: AGHT+IEt0QL/DlYMWomXwCwDHCmGlAnwlmGn3PnFYd9lXWWqkzY5vm81CvRANsYXuYqYmx9mJerPCg== X-Received: by 2002:aa7:d753:0:b0:523:2811:5531 with SMTP id a19-20020aa7d753000000b0052328115531mr9642541eds.4.1694510279378; Tue, 12 Sep 2023 02:17:59 -0700 (PDT) Received: from [192.168.1.23] (ip-046-005-130-086.um12.pools.vodafone-ip.de. [46.5.130.86]) by smtp.gmail.com with ESMTPSA id c10-20020a056402120a00b005256ae8494asm5600550edw.17.2023.09.12.02.17.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Sep 2023 02:17:59 -0700 (PDT) Message-ID: Date: Tue, 12 Sep 2023 11:17:58 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Cc: rdapp.gcc@gmail.com, kito.cheng@gmail.com, kito.cheng@sifive.com, jeffreyalaw@gmail.com Subject: Re: [PATCH V4] RISC-V: Support Dynamic LMUL Cost model Content-Language: en-US To: Juzhe-Zhong , gcc-patches@gcc.gnu.org References: <20230912064932.647337-1-juzhe.zhong@rivai.ai> From: Robin Dapp In-Reply-To: <20230912064932.647337-1-juzhe.zhong@rivai.ai> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.0 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP 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: I did some benchmarks and, at least for calculix the differences are miniscule. I'd say we can stick with the current approach and improve as needed. However, I noticed ICEs here: + gcc_assert (biggest_size >= mode_size); and here: + mode = TYPE_MODE (TREE_TYPE (lhs)); when compiling calculix. Regards Robin