From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12329 invoked by alias); 13 Nov 2012 07:24:15 -0000 Received: (qmail 12210 invoked by uid 55); 13 Nov 2012 07:23:57 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/54127] [4.7/4.8 Regression] ICE in maybe_record_trace_start with asm goto, --target=powerpc-unknown-linux-gnu Date: Tue, 13 Nov 2012 07:24:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: jakub at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.3 X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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 X-SW-Source: 2012-11/txt/msg01112.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54127 --- Comment #4 from Jakub Jelinek 2012-11-13 07:23:56 UTC --- Author: jakub Date: Tue Nov 13 07:23:51 2012 New Revision: 193470 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193470 Log: PR rtl-optimization/54127 * cfgrtl.c (force_nonfallthru_and_redirect): When redirecting asm goto labels from BB_HEAD (e->dest) to target bb, decrement LABEL_NUSES of BB_HEAD (e->dest) and increment LABEL_NUSES of BB_HEAD (target) appropriately and adjust JUMP_LABEL and/or REG_LABEL_TARGET and REG_LABEL_OPERAND. * gcc.dg/torture/pr54127.c: New test. Added: trunk/gcc/testsuite/gcc.dg/torture/pr54127.c Modified: trunk/gcc/ChangeLog trunk/gcc/cfgrtl.c trunk/gcc/testsuite/ChangeLog