From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 9728B395B08F; Thu, 14 May 2020 08:51:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9728B395B08F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1589446261; bh=lyvX4ZoiaTCG4UJWff+a5gvFm5iPNV77CVjgrHOdiRo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ZH45I9IEw7mEU4urxgVD3xYYKIDGnbV2NGOYuUvdBpl0phob0bgNOopvmEmRJ02NF IAOoWVYvpgcZt2vEoZTKkeisBdd9CzFvqOyv1uGL3n4h28HtkxSkIuPvKi0orIAgbp QQo7HVcDxQWbR71qrWqJQ0iczLSmsnIxleoC+qTw= From: "cvs-commit at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/95118] [10/11 Regression] gcc-10 and master -O3 -fopt-info-vec causes gcc to hang Date: Thu, 14 May 2020 08:51:01 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 10.1.0 X-Bugzilla-Keywords: compile-time-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: cvs-commit at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: rguenth 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: Thu, 14 May 2020 08:51:01 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95118 --- Comment #6 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:568c985113b29574c4e25e1a016475668fc17c28 commit r11-383-g568c985113b29574c4e25e1a016475668fc17c28 Author: Richard Biener Date: Thu May 14 08:53:03 2020 +0200 middle-end/95118 - fix printing of denormal zero This fixes printing a REAL_CST generated from value-numbering punning some bits to a real which turns out as zero with big negative exponent. This causes the loop in real_to_decimal_for_mode to never terminate. 2020-05-14 Richard Biener PR middle-end/95118 * real.c (real_to_decimal_for_mode): Make sure we handle a zero with nonzero exponent. * gcc.dg/pr95118.c: New testcase.=