From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 7E9DC386F468; Mon, 11 May 2020 14:09:25 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7E9DC386F468 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1589206165; bh=QfvlwYy9jfboaE9I28+Q8sDn4J2HbO1eRBMI9TjULxY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=fKxcGptexrkOr3PIO+hncxoIcD2luLOd2Jw056qQ1dzfP+SgTyDsiK/VvJucfbphl UkUSbBwEXsNOHJ+tLEifoSy5e8NWZUfAgmdBGiDJKrtqBwYduNxjJK/ZanIDW/h+54 S9Hj5kWBTMW1Qkv5CiDH60v4N9NdwtB+J6jQONik= From: "guojiufu at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/95018] [10/11 Regression] Excessive unrolling for Fortran library array handling Date: Mon, 11 May 2020 14:09:25 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 10.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: guojiufu 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: 10.2 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: Mon, 11 May 2020 14:09:25 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95018 --- Comment #15 from Jiu Fu Guo --- Hi Thomas, Are you using a test case to check the performance? If you have, would you please share it, then we can use it to tune a heuristic improvement for cunroll. Thanks.=