From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20225 invoked by alias); 28 Aug 2007 19:07:40 -0000 Received: (qmail 18104 invoked by uid 48); 28 Aug 2007 19:07:21 -0000 Date: Tue, 28 Aug 2007 19:07:00 -0000 Message-ID: <20070828190721.18103.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/10837] noreturn attribute causes no sibling calling optimization In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "kauer at os dot inf dot tu-dresden dot de" 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: 2007-08/txt/msg02078.txt.bz2 ------- Comment #4 from kauer at os dot inf dot tu-dresden dot de 2007-08-28 19:07 ------- Some comments from the outside: (1) It should be possible to exchange the emmited call into a jmp, without adding the function epilog. (2) A proper backtrace is not generated on optimized sibling functions. (3) http://gcc.gnu.org/ml/gcc-patches/2000-10/msg00180.html explains, that it is hard to implement -- kauer at os dot inf dot tu-dresden dot de changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kauer at os dot inf dot tu- | |dresden dot de http://gcc.gnu.org/bugzilla/show_bug.cgi?id=10837