From: "Dave Korn" <dave.korn@artimi.com>
To: "'Joe Buck'" <Joe.Buck@synopsys.COM>,
"'Robert Dewar'" <dewar@adacore.com>
Cc: "'Dmitry Antipov'" <antipov@dev.rtsoft.ru>, <gcc@gcc.gnu.org>
Subject: RE: Dubious "'foo' might be used uninitialized in this function" message
Date: Wed, 15 Dec 2004 18:03:00 -0000 [thread overview]
Message-ID: <NUTMEG4euumThMeOaIX0000076d@NUTMEG.CAM.ARTIMI.COM> (raw)
In-Reply-To: <20041215092134.A25280@synopsys.com>
> -----Original Message-----
> From: gcc-owner On Behalf Of Joe Buck
> Sent: 15 December 2004 17:22
> This case and many other common cases that gcc gives false reports
> on could be solved by using a gated SSA approach (which would, as you
> suggest, determine that the two tests have the same truth value).
> However, using such an approach goes against the desire by many people
> that the warnings they get at -O0 be the same as those for
> higher levels.
Ummmm.. I thought the 'may be used uninited' warning could only occur at > O0
anyway?
cheers,
DaveK
--
Can't think of a witty .sigline today....
next prev parent reply other threads:[~2004-12-15 18:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-14 15:23 Dmitry Antipov
2004-12-14 16:40 ` E. Weddington
2004-12-14 17:00 ` Nathan Sidwell
2004-12-15 9:00 ` Dmitry Antipov
2004-12-15 10:02 ` Nathan Sidwell
2004-12-15 12:06 ` Robert Dewar
2004-12-15 17:33 ` Florian Weimer
2004-12-15 17:34 ` Robert Dewar
2004-12-15 17:52 ` Florian Weimer
2004-12-15 18:00 ` Robert Dewar
2004-12-15 17:33 ` Joe Buck
2004-12-15 18:03 ` Dave Korn [this message]
2004-12-15 18:09 ` Robert Dewar
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