From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt1-x835.google.com (mail-qt1-x835.google.com [IPv6:2607:f8b0:4864:20::835]) by sourceware.org (Postfix) with ESMTPS id 95729387088C for ; Thu, 27 Aug 2020 14:33:12 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 95729387088C Received: by mail-qt1-x835.google.com with SMTP id d27so4655955qtg.4 for ; Thu, 27 Aug 2020 07:33:12 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=R/qN/QOCajXAr9KosHHtmwIVDE4u8/TBOKDbS4v2b/E=; b=HzUMuzclwHe34TnWIK/shkwps0MB/NQz0sJ4MP1B4TiCoz/fmWRBFdgGSccjfYPyR7 iaAmrm0fOIshSEZiawvxu4ttPgbfOBeWykn9TgpPxLEhQN+obb8vFwoFrifhZJMi24Go brhPm6Cu5/VJ6iyB6bo5Xu+YjEJh6ZZPdNBVppUMjceSLPRAQdvcVZUE9a2ATxV2M/hI Dp8e3WzpFf9weL0GziLq7cbiv9sbDHrv3U9xjUwSUqqPcuQAe02inWdxYSXKGlMU1gFi G5HYyV9pylXjsZjH+OlpaC2LxwGVq3JwXKpMtg0eim6uT+TNlzZCkfWttq9x3/ABk/n5 ZUVw== X-Gm-Message-State: AOAM531lvueaAd8NkF0MhU3zb8nyZxE3/l3bXiZh7PaAd5wykculKx0g EIZB6mycwJ/NhqwzQOc8DgXhnT6On0xhYx5i/BJFpg+ui78= X-Google-Smtp-Source: ABdhPJxujWyEhYVQPmdZNYrFYVQFQkrADcdI2JL/bAhvjANDMiNNT9tMPqYojQXuEcXiPWlxhRFlnnLb6ji3KKLO3TY= X-Received: by 2002:ac8:71cb:: with SMTP id i11mr5658872qtp.108.1598538792019; Thu, 27 Aug 2020 07:33:12 -0700 (PDT) MIME-Version: 1.0 From: Sunil Pandey Date: Thu, 27 Aug 2020 07:33:01 -0700 Message-ID: Subject: x86_64 regression analysis To: gcc@gcc.gnu.org Cc: skpgkp2@gmail.com, Hongjiu Lu X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, HK_RANDOM_ENVFROM, HK_RANDOM_FROM, HTML_MESSAGE, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=no 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@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Aug 2020 14:33:14 -0000 Hello, We will start analyzing x86_64 regressions reported at https://gcc.gnu.org/pipermail/gcc-regression/ to identify commits which caused each regression. For each regression, We will send an email to the committer, gcc-regression and gcc-patches mailing lists in following format. From: sunil.k.pandey Date: Wed, Aug 26, 2020 at 11:06 PM Subject: [r11-2683 Regression] FAIL: gcc.target/i386/avx512bw-pr96246-1.c scan-assembler-times vblendmp[sd][\t ] 2 on Linux/x86_64 To: , , On Linux/x86_64, 7123217afb33d4a2860f552ad778a819cc8dea5e is the first bad commit commit 7123217afb33d4a2860f552ad778a819cc8dea5e Author: author Date: Tue Jul 21 15:25:20 2020 +0800 Merge two define_insn: _blendm, _load_mask. caused FAIL: gcc.target/i386/avx512bw-pr96246-1.c scan-assembler-times vblendmp[sd][\t ] 2 with GCC configured with ../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-2683/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap To reproduce: $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512bw-pr96246-1.c --target_board='unix{-m64}'" (Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)