From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by sourceware.org (Postfix) with ESMTPS id 2D25B3854809; Fri, 18 Dec 2020 21:38:14 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 2D25B3854809 Received: by mail-pj1-x102a.google.com with SMTP id lb18so2006933pjb.5; Fri, 18 Dec 2020 13:38:14 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=QLGX0vDZgG2sYviYKrJeebT6PDB8uNYSs3qP+yTklKI=; b=dXsLSQx4YssniNuvfQLSWD46x9+yAP1/Mc4QL0cKLh6CLfI728mpDh1NmMCsBrQCu4 4pfRMIEG6E0Wc9hukArsDL2Nqc6NDt0O74eDzhnYg7L9eZ8RsGeoFvM1285GRXz2nqkJ WBFG8GQxfe45nla6tpB8quAH8hYTbAjuJXW0JDge9LgObf981G2nu9uJi1kBBT4EUegw A7xyqgOzcIJPUPeOGvY6k+WJX2Pfs9kte2Ehn5HgUxUIGuuqMeuh7kMSyiTK/JwAuF+/ 3dEiuNHmziGcFgwhr/wuO4Uah9FK+4z6QPIGH2nPHVAXLXu55nQDfaD6ChO0ziMkWlCC ZZpA== X-Gm-Message-State: AOAM530Tj+LyNlT5sioajAM/6FFPa6Pw13Abbobpx4AXAclCgg6zS2YW 5LAwv4uXJhxvVH4El3freLHKxjy+LDdz+BmKncM= X-Google-Smtp-Source: ABdhPJwr6Eoxb7gVxi/ZpdU7DPpUiBQq7bXSTN5Dvwseizbk7VsIOAnNOUWwFEMMNggZXlOF5A2DLobCRRU7YT/og8o= X-Received: by 2002:a17:90b:298:: with SMTP id az24mr6231563pjb.128.1608327493219; Fri, 18 Dec 2020 13:38:13 -0800 (PST) MIME-Version: 1.0 References: <5FD662CF.3080701@gjlay.de> <87a6ucu8g0.fsf@gcc.gnu.org> <20201217112107.GO2672@gate.crashing.org> <681759BA-E38E-4E29-AF8F-2175342818C1@comcast.net> <20201218091351.GP2672@gate.crashing.org> <5FDCE332.50607@gcc.gnu.org> <20201218182850.GS2672@gate.crashing.org> In-Reply-To: <20201218182850.GS2672@gate.crashing.org> From: abebeos Date: Fri, 18 Dec 2020 23:38:02 +0200 Message-ID: Subject: Re: [PATCH] avr: cc0 to mode_cc conversion To: Segher Boessenkool , Senthil Kumar Selvaraj Cc: Georg-Johann Lay , Paul Koning , Senthil Kumar Selvaraj , Denis Chertykov , GCC Patches X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, HTML_MESSAGE, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Dec 2020 21:38:15 -0000 On Fri, 18 Dec 2020 at 20:31, Segher Boessenkool wrote: > On Fri, Dec 18, 2020 at 06:13:22PM +0100, Georg-Johann Lay wrote: > > Segher Boessenkool schrieb: > > >On Thu, Dec 17, 2020 at 10:07:22AM -0500, Paul Koning wrote: > > >>>On Dec 17, 2020, at 6:21 AM, Segher Boessenkool > > >>> wrote: > > >>>On Thu, Dec 17, 2020 at 02:15:51PM +0530, Senthil Kumar Selvaraj via > > >>>Gcc-patches wrote: > > >>>>The work on my github branch was not complete - I'd blindly followed > > >>>>whatever the CC0 Transition wiki mentioned (the first three steps of > > >>>>case #2), and fixed any regression fallout (for ATmega128). > [...] @Senthil Kumar Selvaraj Remember that a full polish of the avr-backend is beyond the scope of the task/bounty: avr-cc0 ---[eliminate cc0]---> avr-non-cc0 with similar (or even worse) quality. Possibly this one is relevant as for "effort": https://gcc.gnu.org/pipermail/gcc/2020-April/000455.html as mentioned here: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92729#c9