From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2227 invoked by alias); 5 Nov 2007 15:42:46 -0000 Received: (qmail 1986 invoked by alias); 5 Nov 2007 15:42:39 -0000 Date: Mon, 05 Nov 2007 15:42:00 -0000 Message-ID: <20071105154239.1985.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/32540] [4.3 Regression] Exponential time behavior in PRE In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "spop 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/msg00391.txt.bz2 ------- Comment #16 from spop at gcc dot gnu dot org 2007-11-05 15:42 ------- Subject: Bug 32540 Author: spop Date: Mon Nov 5 15:42:30 2007 New Revision: 129901 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129901 Log: 2007-11-05 Nick Clifton Sebastian Pop PR tree-optimization/32540 PR tree-optimization/33922 * doc/invoke.texi: Document PARAM_MAX_PARTIAL_ANTIC_LENGTH. * tree-ssa-pre.c: Include params.h. (compute_partial_antic_aux): Use PARAM_MAX_PARTIAL_ANTIC_LENGTH to limit the maximum length of the PA set for a given block. * Makefile.in: Add a dependency upon params.h for tree-ssa-pre.c * params.def (PARAM_MAX_PARTIAL_ANTIC_LENGTH): New parameter. * gcc.dg/tree-ssa/pr32540-1.c: New. * gcc.dg/tree-ssa/pr32540-2.c: New. * gcc.dg/tree-ssa/pr33922.c: New. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/pr32540-1.c trunk/gcc/testsuite/gcc.dg/tree-ssa/pr32540-2.c trunk/gcc/testsuite/gcc.dg/tree-ssa/pr33922.c Modified: trunk/gcc/ChangeLog trunk/gcc/Makefile.in trunk/gcc/doc/invoke.texi trunk/gcc/params.def trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-pre.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32540