From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18934 invoked by alias); 10 Jan 2008 17:06:42 -0000 Received: (qmail 18816 invoked by uid 48); 10 Jan 2008 17:05:59 -0000 Date: Thu, 10 Jan 2008 18:08:00 -0000 Message-ID: <20080110170559.18815.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/34683] SSA rewriting in the loop unroller causes quadratic behavior In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth 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/msg00941.txt.bz2 ------- Comment #43 from rguenth at gcc dot gnu dot org 2008-01-10 17:05 ------- Actually this is not a regression against a released compiler, as both the 4.1 and the 4.2 branches ICE for this testcase: gfortran-4.2 -S -o /dev/null t.f90 -O -fstrict-aliasing t.f90: In function 'ampli': t.f90:83: internal compiler error: in gfc_trans_array_constructor, at fortran/trans-array.c:1466 Please submit a full bug report, with preprocessed source if appropriate. See for instructions. so, can we declare this as fixed (the huge number of VOPs we have special PRs for)? -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[4.3 Regression] SSA |SSA rewriting in the loop |rewriting in the loop |unroller causes quadratic |unroller causes quadratic |behavior |behavior | Target Milestone|4.3.0 |--- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34683