From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-x535.google.com (mail-pg1-x535.google.com [IPv6:2607:f8b0:4864:20::535]) by sourceware.org (Postfix) with ESMTPS id 303CB382EF0A for ; Fri, 9 Dec 2022 12:00:58 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 303CB382EF0A 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-pg1-x535.google.com with SMTP id q71so3383243pgq.8 for ; Fri, 09 Dec 2022 04:00:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=NHj+h7ydgwKlP2llnzREzV4QLYEV0qiWiNnakwCQSk8=; b=TZtbulV8kYOTKsuaZMVD2M5Z9G9c8E4SY6B5NWVHoqbhpRm9Aw/2L3WKjv61jNPmSs JHeCBDeTdTkAVqjd0C8u/i5/uh7uyYZhFXT3n1k5w+lbmHqezQVF223UaxW/nPvXSrbG 0q2La4W5QuThz2BYSx4Pc2rkUWBPvmPIwqAh+6vqEujLZI+enxPl8r7htl0yuAPMiGad RPbHsAu4vZpIECdAhDW50J/rmdCCukQyRE4PCQ0eJ2uziwpG76rgeCjj9c3D2nPKjSx2 YOsTmYvw/S6xEy1B2Sphve7DhqQqytrqCxQ10qnS0aBV+T7BJKPMmuS5naaaDecBbeBe 5g4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=NHj+h7ydgwKlP2llnzREzV4QLYEV0qiWiNnakwCQSk8=; b=y7MQE6+9A38FHTTPjy1o3uTfOFdIFcwqIIDwm0vVxD2qJCSCfSIKPDVHS3+zdwQAD7 hh8SNdX7pePEqRMNuokc9L2wXaB7scxmiSkw9q6DtyXYCyCaYxdEivz/D4jkgPhRvH5+ pUjabGL6LsJY1xxTxE+zofjDf22jHCg3Xs0yJLaLZqEuL7DmNxcOO6h1pMtpwNIs/k4l DQvOSlxOPtgn3MyoNcdbjy0EsTDFd5QmI0T/E1JJoP4GYeiEpXOdE+7sKjuEaimNqkRH mrG9IGTBEP+bzNdeh7SR8wvwTirD25iqCG/yv1hxjUnpR/85i0i+UsIve65FNY9BbFrn KTzA== X-Gm-Message-State: ANoB5pnuY2mEdw0xeQnqH8lAvxRFgeLh7ADKV0wIdpfMlRILUhwLKtJk F2q4LovqFJU5NCfklWP41ZPG4ZjrbxetsFDdZxlhtnK7hxEUjIiO X-Google-Smtp-Source: AA0mqf6YV1GN6PCGaaE7UInXo4CPkwM9+1yGMwboZ7780zryXwwyEMP99uddbX+5a14aTYceOlLO2yg4E37EeQL2IiQ= X-Received: by 2002:a63:e341:0:b0:46f:13b0:8dab with SMTP id o1-20020a63e341000000b0046f13b08dabmr68587456pgj.497.1670587256923; Fri, 09 Dec 2022 04:00:56 -0800 (PST) MIME-Version: 1.0 From: hongjie wu Date: Fri, 9 Dec 2022 20:00:45 +0800 Message-ID: Subject: The method of determining the specific assignment of gcc optimization options To: gcc@gcc.gnu.org Content-Type: multipart/alternative; boundary="00000000000003eba905ef63e81e" X-Spam-Status: No, score=3.2 required=5.0 tests=BAYES_20,DEAR_SOMETHING,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: *** X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: --00000000000003eba905ef63e81e Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear Sir or Madam=EF=BC=8C I want to know how to obtain optimal level of the value of the specific compiler options, for example - fexcess - precision =3D [fast | standard] [default], including the default represent=EF=BC=9FOr how to dete= rmine? I am looking forward to your favorable replay. --00000000000003eba905ef63e81e--