From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28212 invoked by alias); 11 May 2010 18:18:38 -0000 Received: (qmail 28089 invoked by alias); 11 May 2010 18:18:09 -0000 Date: Tue, 11 May 2010 18:18:00 -0000 Message-ID: <20100511181809.28088.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/44071] ICE with asm goto and __builtin_unreachable() In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "jakub 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: 2010-05/txt/msg01176.txt.bz2 ------- Comment #11 from jakub at gcc dot gnu dot org 2010-05-11 18:18 ------- Subject: Bug 44071 Author: jakub Date: Tue May 11 18:17:43 2010 New Revision: 159288 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=159288 Log: PR middle-end/44071 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have no fallthru edge. * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode optimizing away empty bb with no successors, move over its footer chain to fallthru predecessor. * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND. (rtl_split_edge): For asm goto call patch_jump_insn even if splitting fallthru edge. * c-c++-common/asmgoto-4.c: New test. * gcc.target/i386/pr44071.c: New test. Added: trunk/gcc/testsuite/c-c++-common/asmgoto-4.c trunk/gcc/testsuite/gcc.target/i386/pr44071.c Modified: trunk/gcc/ChangeLog trunk/gcc/cfgcleanup.c trunk/gcc/cfglayout.c trunk/gcc/cfgrtl.c trunk/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44071