From: Greg Schafer <gschafer@zip.com.au>
To: Richard Henderson <rth@redhat.com>
Cc: gcc@gcc.gnu.org
Subject: Re: GCC silently miscompiling code on x86
Date: Thu, 29 Aug 2002 15:03:00 -0000 [thread overview]
Message-ID: <20020830080307.A15467@tigers-lfs.nsw.bigpond.net.au> (raw)
In-Reply-To: <20020829190443.GA549@redhat.com>
On Thu, Aug 29, 2002 at 12:04:43PM -0700, Richard Henderson wrote:
> On Fri, Aug 23, 2002 at 08:54:00AM +1000, Greg Schafer wrote:
> > This is very bad for i686. Many continue to get hit by this. H J Lu has
> > proposed some patches but they remain unreviewed. Could somebody kindly
> > take a look at these and get this sorted?
>
> As far as I can tell, HJ's patch doesn't work. Certainly
> it didn't change the output for the given test case at all.
That was not my experience at all. HJ's patch here:-
http://gcc.gnu.org/ml/gcc-patches/2002-08/msg01401.html
fixed 20020412-1.c for me. And this one:-
http://gcc.gnu.org/ml/gcc-patches/2002-08/msg01170.html
fixes the test case in GNATS PR 7591.
I am compiling everything at -march=i686
> I have a different patch that I started some time ago before I
> left on vacation that fixes this bug, as well as the variable
> sized structure copy bug as seen in execute/20020412-1.c.
Ok, cool, I would love to test it out. Is it ready for consumption?
Greg
next prev parent reply other threads:[~2002-08-29 15:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-22 15:53 Greg Schafer
2002-08-22 19:38 ` H. J. Lu
2002-08-29 12:04 ` Richard Henderson
2002-08-29 15:03 ` Greg Schafer [this message]
2002-08-29 16:26 ` Richard Henderson
2002-08-30 21:25 ` H. J. Lu
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