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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/53419] loop incorrectly optimized to endless loop at -O2 for table delimited by extern addresses (x86-32)
Date: Sat, 19 May 2012 22:09:00 -0000 [thread overview]
Message-ID: <bug-53419-4-vd27acmCUl@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-53419-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53419
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution| |INVALID
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-05-19 21:54:03 UTC ---
> extern func_ptr_t init_array_begin[1];
> extern func_ptr_t init_array_end[1];
The array sizes say they are size of one. If you want to be correct and not
allow GCC to optimize away the check because array overflow, use [] instead of
[1].
next prev parent reply other threads:[~2012-05-19 21:54 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-19 19:41 [Bug tree-optimization/53419] New: " gary at intrepid dot com
2012-05-19 19:43 ` [Bug tree-optimization/53419] " gary at intrepid dot com
2012-05-19 19:43 ` gary at intrepid dot com
2012-05-19 19:44 ` gary at intrepid dot com
2012-05-19 21:47 ` hjl.tools at gmail dot com
2012-05-19 22:09 ` pinskia at gcc dot gnu.org [this message]
2012-05-19 22:12 ` gary at intrepid dot com
2012-05-19 22:20 ` gary at intrepid dot com
2012-05-21 10:09 ` rguenth at gcc dot gnu.org
2012-05-21 10:41 ` jakub at gcc dot gnu.org
2012-05-21 12:45 ` rguenth at gcc dot gnu.org
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