From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 879673851C04; Tue, 28 Apr 2020 08:41:27 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 879673851C04 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1588063287; bh=mC8lJlrALCQXTMPTU7UY9AbBIF7hjgkSQm4XWWyLTQE=; h=From:To:Subject:Date:In-Reply-To:References:From; b=WOVcAZ219nC0Cf+ORmvnnp6cC5WLci8/mhErrXJbCTrmJrAHk6CX7YOznTFD6UeC4 Hl6XGGTCVnZddNzXrK1buqbHSFpNcuLNF+HZny31FsxYQpnkU7pDpKpvcxVZ/HCWJz pujmJ8ctjzbOnohSZYA9b5N2J35ny4Xqa4F7Pkys= From: "edlinger at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/94472] 400.perlbench is slower when compiled at -O2 with both PGO and LTO on AMD Zen CPUs Date: Tue, 28 Apr 2020 08:41:27 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: ipa X-Bugzilla-Version: 10.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: edlinger at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Apr 2020 08:41:27 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94472 --- Comment #6 from Bernd Edlinger --- (In reply to Jakub Jelinek from comment #5) > No, we can't block GCC 10 release indefinitely, we are already behind the > usual schedule. We need to resolve the C++ ABI issues and get the release > out. Sorry, have you heard of the Corona pandemic out there? This is not like olympic games 2020, which has been cancelled? I just say I would delay gcc 10 right now, before it is too late, this performance regression will make the damage worse.=