From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 36526 invoked by alias); 10 Apr 2015 16:41:57 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 35083 invoked by uid 48); 10 Apr 2015 16:41:53 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/65710] [4.9/5 Regression] Thumb1 ICE caused by no register to spill Date: Fri, 10 Apr 2015 16:41:00 -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: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: REOPENED X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-04/txt/msg00880.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65710 --- Comment #17 from Jakub Jelinek --- (In reply to Stupachenko Evgeny from comment #16) > I can't attach spec2000 benchmarks sources. > The loop is in "longest_match" function in 164.gzip. > > Options to reproduce: "-Ofast -funroll-loops -flto -march=corei7 -m32 -fPIE > -pie" (-march=slm reproduce the issue as well). > > I'm checking if the issue reproduced without "-flto". But gzip is free software, so just attach preprocessed source of some free version from around the same time after checking it generates the same code for the loop?