From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31794 invoked by alias); 18 Oct 2004 00:26:52 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 31785 invoked by uid 48); 18 Oct 2004 00:26:50 -0000 Date: Mon, 18 Oct 2004 00:26:00 -0000 Message-ID: <20041018002650.31784.qmail@sourceware.org> From: "pinskia at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20040803203120.16865.v.haisman@sh.cvut.cz> References: <20040803203120.16865.v.haisman@sh.cvut.cz> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug bootstrap/16865] False alarm about use of uninitialized variable breaks bootstrap at -O3 X-Bugzilla-Reason: CC X-SW-Source: 2004-10/txt/msg02360.txt.bz2 List-Id: ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-10-18 00:26 ------- Here is some more with --enable-intermodule which means a huge amount more inlining: /Users/pinskia/src/local/gcc/gcc/cfgbuild.c: In function 'make_edges': /Users/pinskia/src/local/gcc/gcc/cfgbuild.c:289: warning: 'tmp' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/jump.c: In function 'delete_related_insns': /Users/pinskia/src/local/gcc/gcc/jump.c:1390: warning: 'lab_next' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgrtl.c: In function 'cfg_layout_delete_block': /Users/pinskia/src/local/gcc/gcc/cfgrtl.c:369: warning: 'tmp' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgrtl.c: In function 'rtl_delete_block': /Users/pinskia/src/local/gcc/gcc/cfgrtl.c:369: warning: 'tmp' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/tree-ssa-dom.c: In function 'simplify_cond_and_lookup_avail_expr': /Users/pinskia/src/local/gcc/gcc/tree-ssa-dom.c:1912: warning: 'cond_inverted' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/tree-ssa-dom.c:1911: warning: 'cond_low' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/tree-ssa-dom.c:1911: warning: 'cond_high' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/tree-ssa-dom.c:2015: warning: 'tmp_low' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/tree-ssa-dom.c:2015: warning: 'tmp_high' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/tree-ssa-loop-ivopts.c: In function 'get_computation_at': /Users/pinskia/src/local/gcc/gcc/tree-ssa-loop-ivopts.c:2158: warning: 'ratioi' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/var-tracking.c: In function 'vt_initialize': /Users/pinskia/src/local/gcc/gcc/var-tracking.c:2500: warning: 'decl' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/var-tracking.c:2501: warning: 'offset' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgcleanup.c: In function 'try_crossjump_to_edge': /Users/pinskia/src/local/gcc/gcc/cfgcleanup.c:1358: warning: 'table1' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgcleanup.c:1357: warning: 'label1' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgcleanup.c:1358: warning: 'table2' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgcleanup.c:1357: warning: 'label2' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgcleanup.c:1572: warning: 'label1' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgcleanup.c:1572: warning: 'label2' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgrtl.c: In function 'redirect_branch_edge': /Users/pinskia/src/local/gcc/gcc/cfgrtl.c:871: warning: 'tmp' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgrtl.c: In function 'force_nonfallthru_and_redirect': /Users/pinskia/src/local/gcc/gcc/cfgrtl.c:993: warning: 'note' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgrtl.c: In function 'try_redirect_by_replacing_jump': /Users/pinskia/src/local/gcc/gcc/cfgrtl.c:772: warning: 'table' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgrtl.c:772: warning: 'label' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgcleanup.c: In function 'try_optimize_cfg': /Users/pinskia/src/local/gcc/gcc/cfgcleanup.c:729: warning: 'table' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cfgcleanup.c:729: warning: 'label' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/cse.c: In function 'fold_rtx': /Users/pinskia/src/local/gcc/gcc/cse.c:3224: warning: 'next' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/tree-ssa-loop-ivopts.c: In function 'get_computation_cost_at': /Users/pinskia/src/local/gcc/gcc/tree-ssa-loop-ivopts.c:2802: warning: 'ratio' may be used uninitialized in this function /Users/pinskia/src/local/gcc/gcc/value-prof.c: In function 'rtl_value_profile_transformations': /Users/pinskia/src/local/gcc/gcc/value-prof.c:929: warning: 'write' may be used uninitialized in this function Most of these come from inlining tablejump_p. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16865