From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22944 invoked by alias); 20 Sep 2010 02:30:34 -0000 Received: (qmail 22757 invoked by uid 48); 20 Sep 2010 02:30:21 -0000 Date: Mon, 20 Sep 2010 02:30:00 -0000 Message-ID: <20100920023021.22756.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug target/43088] [avr] Suspect optimizer missed code in gcc 4.4.3.. In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "eric dot weddington at atmel dot com" 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: 2010-09/txt/msg02174.txt.bz2 ------- Comment #2 from eric dot weddington at atmel dot com 2010-09-20 02:30 ------- (In reply to comment #1) > This bug is confirmed. andhi3/andsi3 causing this problem. conditional checks > in andhi3 and andsi3 need to compare with zero instead of 0xff [etc]. > i.e. in andhi3 we need to replace > (mask & 0x00ff) != 0xff by (mask & 0x00ff) != 0. > > Similarly other checks in andhi3 and andsi3 need to be replaced. > Abnikant, Is this bug confirmed for the reported version (4.4.3), or for trunk/4.6? -- eric dot weddington at atmel dot com changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2010-09-20 02:30:21 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43088