From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20439 invoked by alias); 27 Aug 2008 17:51:50 -0000 Received: (qmail 19072 invoked by alias); 27 Aug 2008 17:50:30 -0000 Date: Wed, 27 Aug 2008 17:51:00 -0000 Message-ID: <20080827175030.19071.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/37242] missed FRE opportunity because of signedness of addition In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "bonzini at 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: 2008-08/txt/msg02082.txt.bz2 ------- Comment #8 from bonzini at gnu dot org 2008-08-27 17:50 ------- Subject: Re: missed FRE opportunity because of signedness of addition Maybe we can lookup the non-GIMPLE operands in simplify_unary_expression and replace them with existing SSA_NAMES if they have been value numbered. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37242