[Bug bootstrap/16865] False alarm about use of uninitialized variable breaks bootstrap at -O3

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From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/16865] False alarm about use of uninitialized variable breaks bootstrap at -O3
Date: Mon, 18 Oct 2004 00:26:00 -0000	[thread overview]
Message-ID: <20041018002650.31784.qmail@sourceware.org> (raw)
In-Reply-To: <20040803203120.16865.v.haisman@sh.cvut.cz>


------- 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

next prev parent reply	other threads:[~2004-10-18  0:26 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-08-03 20:31 [Bug bootstrap/16865] New: " v dot haisman at sh dot cvut dot cz
2004-08-03 20:44 ` [Bug bootstrap/16865] " pinskia at gcc dot gnu dot org
2004-08-03 21:13 ` cvs-commit at gcc dot gnu dot org
2004-08-03 21:13 ` pinskia at gcc dot gnu dot org
2004-08-03 21:49 ` v dot haisman at sh dot cvut dot cz
2004-08-03 22:00 ` pinskia at gcc dot gnu dot org
2004-08-19  9:03 ` v dot haisman at sh dot cvut dot cz
2004-10-18  0:26 ` pinskia at gcc dot gnu dot org [this message]
2005-01-23 13:33 ` steven at gcc dot gnu dot org
2005-01-23 15:26 ` pinskia at gcc dot gnu dot org
2005-04-21  5:05 ` mmitchel at gcc dot gnu dot org
2005-07-08  1:45 ` mmitchel at gcc dot gnu dot org
2005-09-27 18:21 ` pinskia at gcc dot gnu dot org
     [not found] <bug-16865-629@http.gcc.gnu.org/bugzilla/>
2006-03-11  3:18 ` mmitchel at gcc dot gnu dot org
2007-01-18  3:00 ` gdr at gcc dot gnu dot org
2007-06-09  8:33 ` v dot haisman at sh dot cvut dot cz

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