From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6057 invoked by alias); 1 Jan 2009 13:43:51 -0000 Received: (qmail 5905 invoked by alias); 1 Jan 2009 13:42:26 -0000 Date: Thu, 01 Jan 2009 13:43:00 -0000 Message-ID: <20090101134226.5904.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/38584] [4.3/4.4 Regression] Inline heuristics run even at -O0 In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "stevenb dot gcc at gmail dot com" 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: 2009-01/txt/msg00032.txt.bz2 ------- Comment #7 from stevenb dot gcc at gmail dot com 2009-01-01 13:42 ------- Subject: Re: [4.3/4.4 Regression] Inline heuristics run even at -O0 Note that the compile time at, say, -O1 for 4.3 vs. 4.4 is also a huge difference for the test case (4.4 much slower, in part due to the expensive heuristic). Therefore, IMHO, this is still a 4.4 regression too. We should not be running such expensive algorithms just for inline heuristics. We need to figure out a cheaper heuristic. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38584