From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22780 invoked by alias); 3 May 2009 19:40:57 -0000 Received: (qmail 22755 invoked by alias); 3 May 2009 19:40:47 -0000 Date: Sun, 03 May 2009 19:40:00 -0000 Message-ID: <20090503194047.22754.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/39914] [4.4 Regression] 96% performance regression in floating point code; part of the problem started 2009/03/12-13 In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "uros 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: 2009-05/txt/msg00172.txt.bz2 ------- Comment #15 from uros at gcc dot gnu dot org 2009-05-03 19:40 ------- Subject: Bug 39914 Author: uros Date: Sun May 3 19:40:35 2009 New Revision: 147081 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147081 Log: Backport from mainline: 2009-04-28 Uros Bizjak PR rtl-optimization/39914 * ira-conflicts.c (ira_build_conflicts): Prohibit call used registers for allocnos created from user-defined variables only when not optimizing. Modified: branches/gcc-4_4-branch/gcc/ChangeLog branches/gcc-4_4-branch/gcc/ira-conflicts.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39914