From: Michael Snyder <msnyder@specifix.com>
To: "Frank Ch. Eigler" <fche@redhat.com>
Cc: Michael Snyder <msnyder@vmware.com>,
Joel Brobecker <brobecker@adacore.com>,
Robert Dewar <dewar@adacore.com>,
"jreiver@free.fr" <jreiver@free.fr>,
"gdb@sourceware.org" <gdb@sourceware.org>
Subject: Re: how to examine data with compiler optimization option set?
Date: Wed, 03 Sep 2008 04:37:00 -0000 [thread overview]
Message-ID: <1220416592.3389.4.camel@localhost.localdomain> (raw)
In-Reply-To: <y0mljyaudzb.fsf@ton.toronto.redhat.com>
On Tue, 2008-09-02 at 23:04 -0400, Frank Ch. Eigler wrote:
> Michael Snyder <msnyder@vmware.com> writes:
>
> > [...]
> > I don't think there is any possibility whatsoever of
> > somehow generating location codes for the variables in
> > the example.
> >
> > Those values are simply not kept anywhere. GCC will replace
> > them all with the constant, "3".
>
> You might be surprised. Some RH engineers are working along these
> lines. Being able to debug (<=> probe/trace) optimized code is
> becoming more and more important, and gcc is slowly getting into the
> mood to help.
I'm more than willing to be surprised...
it will be a pleasant one. ;-)
next prev parent reply other threads:[~2008-09-03 4:37 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-02 21:27 J R
2008-09-02 21:36 ` Robert Dewar
2008-09-02 21:45 ` jreiver
2008-09-02 21:50 ` Robert Dewar
2008-09-02 21:57 ` Joel Brobecker
2008-09-03 0:05 ` Michael Snyder
2008-09-03 1:53 ` Robert Dewar
2008-09-03 2:52 ` Daniel Jacobowitz
2008-09-03 14:35 ` Robert Dewar
2008-09-03 3:06 ` Frank Ch. Eigler
2008-09-03 4:37 ` Michael Snyder [this message]
2008-09-03 14:36 ` Robert Dewar
2008-09-03 18:34 ` Eli Zaretskii
2008-09-03 21:43 ` Robert Dewar
2008-09-04 8:01 ` Andreas Schwab
2008-09-04 10:53 ` Robert Dewar
2008-09-04 14:05 ` Paul Koning
2008-09-04 14:09 ` Robert Dewar
2008-09-04 14:15 ` Paul Koning
2008-09-04 14:17 ` Robert Dewar
2008-09-04 15:55 ` Eli Zaretskii
2008-09-04 18:13 ` Frank Ch. Eigler
2008-09-04 20:46 ` Ulrich Weigand
2008-09-03 0:04 ` Michael Snyder
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