From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16773 invoked by alias); 27 Oct 2008 18:55:51 -0000 Received: (qmail 15580 invoked by uid 48); 27 Oct 2008 18:54:29 -0000 Date: Mon, 27 Oct 2008 18:55:00 -0000 Message-ID: <20081027185429.15579.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug c/37924] [4.2/4.3/4.4 Regression] ice in smallest_mode_for_size, at stor-layout.c:219 In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "pinskia 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: 2008-10/txt/msg01773.txt.bz2 ------- Comment #4 from pinskia at gcc dot gnu dot org 2008-10-27 18:54 ------- As an asside, I wonder why we don't optimize: D.1576_3 = (int) a.0_2; D.1577_4 = ~D.1576_3; D.1578_5 = (unsigned int) D.1577_4; Into just: D_1 = ~a.0_2; D_2 = (unsigned int)D_1; Like it is done for the case were we manually replace b with -1. Maybe this is a tree combiner issue again ... -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37924