From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by sourceware.org (Postfix) with ESMTPS id 6260C3858D20 for ; Fri, 2 Dec 2022 07:49:34 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 6260C3858D20 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-pj1-x1029.google.com with SMTP id cm20so4188548pjb.1 for ; Thu, 01 Dec 2022 23:49:34 -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=Y9OwHNuYX104gX9Rc8/0xtlkZXPgRYDGAvIO6ZHepOc=; b=HYCIYKjRiERErC6aM90XraJz47dZt11espa7bxmNE3c+ws2FxyFSDlh8D+ZQehH1ie Fj9ZILRbFzJS8FZW0JXxfrYt3WjRCULzbhu260hgeAwziy7b24YsNYujqwVUKWcVloTz LQen3ENM0pb71RaFruqYU3Kmp1OCibpItoODb7LwhKzBIM9p1pPp32nL7riY4sNUkas1 50bHAql/H05n28NNR8PvHujvXli+IXyWK4apKXyn7RzooGI4qqUQMNtk7nqD2d0mO1Gi JjkyAUXRXidna8jhsKL8QzU4n+szFao6Ns8wvDwOf0jAyJQuoIPfqvF8iNacGkjIggpX RDYA== 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=Y9OwHNuYX104gX9Rc8/0xtlkZXPgRYDGAvIO6ZHepOc=; b=WSr44c7ocPXCBYghn2AMC05Iq1HVZjCUXEeYsD+oUnkNFLr6Lw3CXgDrInWaMuNx5A 7Pey+e0yPEBLaLnEX4SPr7Yf8/p9iG5z7epF2FR2tNhdQlgMVXC/OHX18Uq/jZk8KAUY 1Uf9BQvo5S6Zzf8RBdL3nMiAZ8622r/NVohRfRVFovNn9FdOYppSIcA83lRUbwDguG5O L2HCC+NnT3kggyzAHRyXnriRd6iiVxonP6rgfLz/jxFVLGpQfVtsGbGOcZAXWt6B2W4u EVTJW3Y4LF+V4CdLiQ4OzYql8CJ9HIOfXxQs2I4rh35BRkU+7OyOfGItnTvRY3e6rgqD Gi9w== X-Gm-Message-State: ANoB5pkxwJhSK/6MaCUsc23Eua2BJuhF7QA6zVfAITrmbvXueuJO271k B/aSuR5zITnF/n7TtAUyDI3uqFUe4QH0dqfMXJg5dBvY2a4= X-Google-Smtp-Source: AA0mqf6VBi48Kz9yPL24gzWEYxBAH4EXMTajQOD2tVitbKVvW4ysuArtgMHzhVIqzrODnXljsSneWaVner1ecy4lSCA= X-Received: by 2002:a17:90a:8402:b0:218:7744:5e9 with SMTP id j2-20020a17090a840200b00218774405e9mr75933243pjn.44.1669967373137; Thu, 01 Dec 2022 23:49:33 -0800 (PST) MIME-Version: 1.0 From: hongjie wu Date: Fri, 2 Dec 2022 15:49:21 +0800 Message-ID: Subject: gcc optimization option value To: gcc-help@gcc.gnu.org Content-Type: multipart/alternative; boundary="0000000000000ffee505eed394ed" X-Spam-Status: No, score=-0.3 required=5.0 tests=BAYES_00,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=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: --0000000000000ffee505eed394ed Content-Type: text/plain; charset="UTF-8" Among the optimization options given by gcc, the same optimization option may have different values in different optimization levels. Is there any information about this? thanks --0000000000000ffee505eed394ed--