From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19923 invoked by alias); 9 Jun 2010 19:11:17 -0000 Received: (qmail 19318 invoked by uid 48); 9 Jun 2010 19:11:01 -0000 Date: Wed, 09 Jun 2010 19:11:00 -0000 Message-ID: <20100609191101.19317.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/44483] [4.6 regression] gcc consumes all available memory when optimizing In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "falk at debian 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: 2010-06/txt/msg01071.txt.bz2 ------- Comment #2 from falk at debian dot org 2010-06-09 19:11 ------- Confirmed, seems to be in if-conv. Here's a smaller test case: int ffesum (void) { int ch[4], ii, jj, kk; char asc[32]; for (ii = 0; ii < 4; ii++) { for (jj = 0; jj < 4; jj++) ch[jj] = ii; for (kk = 0; kk < 13; kk++) for (jj = 0; jj < 4; jj += 2) if ((unsigned char) ch[jj] || (unsigned char) ch[jj + 1]) ch[jj]++; for (jj = 0; jj < 4; jj++) asc[4 * jj + ii] = ch[jj]; } return asc[0]; } -- falk at debian dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Component|c |tree-optimization Ever Confirmed|0 |1 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44483