From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12291 invoked by alias); 1 Nov 2007 15:05:31 -0000 Received: (qmail 12159 invoked by uid 48); 1 Nov 2007 15:05:15 -0000 Date: Thu, 01 Nov 2007 15:05:00 -0000 Message-ID: <20071101150515.12158.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/32575] [4.2/4.3 regression] With -ftree-vrp miscompiles a single line of code in SQLite In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth at gcc dot gnu dot org" 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: 2007-11/txt/msg00036.txt.bz2 ------- Comment #15 from rguenth at gcc dot gnu dot org 2007-11-01 15:05 ------- Indeed it does. But while this is a workaround that works, the problem is in excessive phi translation which we could stop here (untested! just a wild guess!): static bool compute_partial_antic_aux (basic_block block, bool block_has_abnormal_pred_edge) { ... if (phi_nodes (bprime)) { and limit the # of PHI args seen here instead? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32575