From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31542 invoked by alias); 15 Feb 2008 15:25:54 -0000 Received: (qmail 29689 invoked by alias); 15 Feb 2008 15:25:08 -0000 Date: Fri, 15 Feb 2008 15:25:00 -0000 Message-ID: <20080215152508.29688.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/35164] [4.3 regression] Unable to coalesce ab SSA_NAMEs 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: 2008-02/txt/msg01702.txt.bz2 ------- Comment #11 from rguenth at gcc dot gnu dot org 2008-02-15 15:25 ------- Subject: Bug 35164 Author: rguenth Date: Fri Feb 15 15:24:19 2008 New Revision: 132345 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132345 Log: 2008-02-15 Richard Guenther Zdenek Dvorak PR tree-optimization/35164 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare. * tree-dfa.c (stmt_references_abnormal_ssa_name): New function. * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars): Only propagate addresses which do not have abnormal SSA_NAMEs in their operands. * g++.dg/torture/pr35164-1.C: New testcase. * g++.dg/torture/pr35164-2.C: Likewise. Added: trunk/gcc/testsuite/g++.dg/torture/pr35164-1.C trunk/gcc/testsuite/g++.dg/torture/pr35164-2.C Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-dfa.c trunk/gcc/tree-flow.h trunk/gcc/tree-ssa-forwprop.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35164