From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18248 invoked by alias); 19 Jan 2008 00:40:08 -0000 Received: (qmail 18016 invoked by alias); 19 Jan 2008 00:39:24 -0000 Date: Sat, 19 Jan 2008 00:51:00 -0000 Message-ID: <20080119003924.18015.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/26854] Inordinate compile times on large routines In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "zadeck 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: 2008-01/txt/msg02039.txt.bz2 ------- Comment #58 from zadeck at gcc dot gnu dot org 2008-01-19 00:39 ------- Subject: Bug 26854 Author: zadeck Date: Sat Jan 19 00:38:34 2008 New Revision: 131649 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=131649 Log: 2008-01-18 Kenneth Zadeck Steven Bosscher PR rtl-optimization/26854 PR rtl-optimization/34400 * df-problems.c (df_live_scratch): New scratch bitmap. (df_live_alloc): Allocate df_live_scratch when doing df_live. (df_live_reset): Clear the proper bitmaps. (df_live_bb_local_compute): Only process the artificial defs once since the order is not important. (df_live_init): Init the df_live sets only with the variables found live by df_lr. (df_live_transfer_function): Use the df_lr sets to prune the df_live sets as they are being computed. (df_live_free): Free df_live_scratch. Modified: trunk/gcc/ChangeLog trunk/gcc/df-problems.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26854