From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23846 invoked by alias); 4 Apr 2008 21:22:47 -0000 Received: (qmail 23714 invoked by uid 48); 4 Apr 2008 21:22:03 -0000 Date: Fri, 04 Apr 2008 21:22:00 -0000 Message-ID: <20080404212203.23713.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/33512] Simple bitwise simplification missed 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: 2008-04/txt/msg00381.txt.bz2 ------- Comment #5 from pinskia at gcc dot gnu dot org 2008-04-04 21:22 ------- (In reply to comment #4) > Test gcc.dg/and-1.c, added as a fix for this PR, fails on powerpc64-linux. The > code generated for "-m64 -O2" is: The issue is we see (and X (ior Y (not X) ) ), I will add this extra check later this weekend. In GCC 4.1.1, we saw what I had expected but for some reasons GCC 4.3.0 has a different order of arguments. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33512