From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-il1-x129.google.com (mail-il1-x129.google.com [IPv6:2607:f8b0:4864:20::129]) by sourceware.org (Postfix) with ESMTPS id 366F63858C53 for ; Sun, 19 Mar 2023 16:55:56 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 366F63858C53 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-il1-x129.google.com with SMTP id 4so5421821ilz.6 for ; Sun, 19 Mar 2023 09:55:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1679244955; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=8tNGSae8C0JRP9a/wQGl9u3+jrsiFmQdSoK4IUPZzmQ=; b=OFCZgpQ43Wt9ZHg7t8PkWEkhiRG6HDYZJMkQiVbXtJsDRWbo948vUY2zX8Slsjo+fg WG6mi9OKYUiczwDcdiE21XesCltijOLHV+Kl7KZidHDSWj6VNUHg/LSp7SIXJKUBz5FJ 4A9UJDvu+oeG2ZFp8cAgDzlkmzlygaRfkSG72V+iP6yE/ETnhVpH1Js9TkfBItOO7DQ4 SV2WyyXaT62l/bbd4O/YaMsjF49Z/ZnEC71p4s8lNwVDcuNhKVWNpIndTcSQDI/Pa59g /55+bMrf8Z2TLz0F7wozm4cpkDbsUFKprLhlJdqHnKMB5Y3fXVXUtFYdG+rOXZFFV4Iq n+uQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679244955; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=8tNGSae8C0JRP9a/wQGl9u3+jrsiFmQdSoK4IUPZzmQ=; b=oD6qPcLUK9ScluZ77XNhfexHZKf0b1zprdRW+XXDN2R9vdCLmu7hY5YuthhRQOeKT8 7fBdiBqXQMMl3mPTic20YlTjQ8BN2OtN2gUnBI+53HnVvnR6TX6s8lNTnw69uwChV5nl cwzu7A8rfbzqK6pMwbEpX3yhONSFVfGDK7VQytr5OKdE2MWQeNJN8jdjv0fGM0ueQZ7w KEsqwZPoy+Zyu5dRQ6F8Pt7TWzOUYSoStRM245J3bhRZ0J3nb06IVjFGAz+puu+3tDpJ pAsoywKAYuYImM28g3yCCJVf/Rt4w5iMCksuifhGvJIHb4SnO1WXwvmOqHw8uRMq0kOQ +ULQ== X-Gm-Message-State: AO0yUKXGIaA8wrnEPxYEf3Qb/brAMxg2pC9yxhexmXw+swQUxuF++eIg J6sDbKQG33f2mg2BYOq6SUg= X-Google-Smtp-Source: AK7set+m97jFAhwm37oL4VwiwQSIGx5Fmb6Wu/9oPxCWXKo6N6lwVydRiRj6vB3u2cxsn9+r0Jdk+g== X-Received: by 2002:a92:c14d:0:b0:315:352e:d5d0 with SMTP id b13-20020a92c14d000000b00315352ed5d0mr3536464ilh.32.1679244955315; Sun, 19 Mar 2023 09:55:55 -0700 (PDT) Received: from ?IPV6:2601:681:8600:13d0::f0a? ([2601:681:8600:13d0::f0a]) by smtp.gmail.com with ESMTPSA id c13-20020a928e0d000000b003157b2c504bsm2207982ild.24.2023.03.19.09.55.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 19 Mar 2023 09:55:54 -0700 (PDT) Message-ID: <22dd21a2-f1d8-6826-b0ba-69104c1d7d83@gmail.com> Date: Sun, 19 Mar 2023 10:55:53 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH] RISC-V: Fine tune gather load RA constraint Content-Language: en-US To: "juzhe.zhong@rivai.ai" , gcc-patches Cc: "kito.cheng" References: <20230313082855.248118-1-juzhe.zhong@rivai.ai> <5a5f3656-ecbe-48f7-94eb-74cdc875071b@gmail.com> <0E3068CC4AC8D7D0+20230315145235218196120@rivai.ai> From: Jeff Law In-Reply-To: <0E3068CC4AC8D7D0+20230315145235218196120@rivai.ai> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.4 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: On 3/15/23 00:52, juzhe.zhong@rivai.ai wrote: > Hi, Jeff. I really hope the current "refine tune RA constraint" patches > can be merged into GCC-13. > These patches are just making RA constraint to be consistent with RVV > ISA after I double checked RVV ISA. > These RA constraints changing is very safe.They may be very safe, but we're *way* past the point where we should be making this kind of change. When I agreed to not object to including the RVV builtins in gcc-13, I never imagined we'd still be making changes to that code in March. My bad for not getting clarification on how much work remained to be done. Jeff