This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: [lto] Reverted patch for PR 39010

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: Diego Novillo <dnovillo at google dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Sat, 31 Jan 2009 11:23:21 -0800
Subject: Re: [lto] Reverted patch for PR 39010
References: <20090131185852.GA22222@google.com> <6dc9ffc80901311110m156ff743ra32dbaafebc696f0@mail.gmail.com>

On Sat, Jan 31, 2009 at 11:10:37AM -0800, H.J. Lu wrote:
> On Sat, Jan 31, 2009 at 10:58 AM, Diego Novillo <dnovillo@google.com> wrote:
> > HJ,
> >
> > I had to revert the patch you committed for PR 39010.  It had
> > caused 478 regressions on x86_64 and 625 on i686.  Presumably,
> > there are other places where we are off by one.
> >
> >
> 
> I noticed that also. However, I believe my patch just exposed some
> latent LTO bugs.
> 
> 

Maybe LTO expects hash value in certain and incorrect way.


H.J.

References:
- [lto] Reverted patch for PR 39010
  - From: Diego Novillo
- Re: [lto] Reverted patch for PR 39010
  - From: H.J. Lu

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]