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From: "jchthys at yahoo dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/49148] Certain expressions take an extremely long time for no apparent reason
Date: Tue, 24 May 2011 19:16:00 -0000 [thread overview]
Message-ID: <bug-49148-4-j7XuG5HdAp@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-49148-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49148
John Peyton <jchthys at yahoo dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
--- Comment #1 from John Peyton <jchthys at yahoo dot com> 2011-05-24 18:56:52 UTC ---
The following command was used to compile and execute the test case:
gcc gcc_bug.c -O3 -o gcc_bug && ./gcc_bug
Note that -O3 was used. In addition, -lm affects performance minimally if it is
used.
next prev parent reply other threads:[~2011-05-24 19:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-24 19:14 [Bug c/49148] New: " jchthys at yahoo dot com
2011-05-24 19:16 ` jchthys at yahoo dot com [this message]
2011-05-24 19:41 ` [Bug c/49148] " jchthys at yahoo dot com
2011-05-24 20:06 ` jchthys at yahoo dot com
2011-05-24 20:42 ` pinskia at gcc dot gnu.org
2011-05-24 21:47 ` [Bug rtl-optimization/49148] " jchthys at yahoo dot com
2011-05-24 21:55 ` jchthys at yahoo dot com
2011-05-25 9:56 ` rguenth at gcc dot gnu.org
2011-05-25 14:45 ` jchthys at yahoo dot com
2021-12-26 12:49 ` pinskia at gcc dot gnu.org
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