public inbox for u-boot@lists.denx.de
 help / color / mirror / Atom feed
From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/9] Fix strict-aliasing warning in dlmalloc
Date: Sun, 8 Jan 2012 04:27:33 -0500	[thread overview]
Message-ID: <201201080427.34098.vapier@gentoo.org> (raw)
In-Reply-To: <CAPnjgZ1OxJJsSEodSM-fqTN791mW-UezqWjFLQBAS-4RbFHJkQ@mail.gmail.com>

On Friday 06 January 2012 15:39:08 Simon Glass wrote:
> On Thu, Jan 5, 2012 at 10:48 PM, Wolfgang Denk wrote:
> > Simon Glass wrote:
> >> This fixes the following warnings in dlmalloc seen with my gcc 4.6.
> > 
> > Which exact version is this?
> > 
> >> dlmalloc.c: In function 'malloc_bin_reloc':
> >> dlmalloc.c:1493: warning: dereferencing pointer 'p' does break
> >> strict-aliasing rules dlmalloc.c:1493: warning: dereferencing pointer
> >> 'p' does break strict-aliasing rules dlmalloc.c:1490: note: initialized
> >> from here
> >> dlmalloc.c:1493: note: initialized from here
> > 
> > Can you please tell me at least one board configuration that throws
> > this error (preferrably ppc, arm or mips) ?
> 
> I can't see one with those architectures. It does happen for others though:

yes, there have been reports and patches posted in the past iirc.  first by 
Kumar i think.
-mike
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 836 bytes
Desc: This is a digitally signed message part.
URL: <http://lists.denx.de/pipermail/u-boot/attachments/20120108/82c155ff/attachment.pgp>

  parent reply	other threads:[~2012-01-08  9:27 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-06  3:54 [U-Boot] [PATCH 0/9] Fix a few warnings that bug me Simon Glass
2012-01-06  3:54 ` [U-Boot] [PATCH 1/9] usb: Fix strict-aliasing warning in host/ohci-hcd.c Simon Glass
2012-01-08  9:32   ` Mike Frysinger
2012-01-08 18:02     ` Simon Glass
2012-01-06  3:54 ` [U-Boot] [PATCH 2/9] Fix strict-aliasing warning in dlmalloc Simon Glass
2012-01-06  6:48   ` Wolfgang Denk
2012-01-06 20:39     ` Simon Glass
2012-01-06 23:37       ` Wolfgang Denk
2012-01-08  0:57         ` Simon Glass
2012-01-08  9:27       ` Mike Frysinger [this message]
2012-08-13 15:25   ` Andreas Bießmann
2012-09-04 21:25     ` Andreas Bießmann
2012-01-06  3:54 ` [U-Boot] [PATCH 3/9] mpc5xxx: Fix strict-aliasing warnings in usb_ohci.c Simon Glass
2012-01-06  3:54 ` [U-Boot] [PATCH 4/9] ppc4xx: " Simon Glass
2012-10-16  6:28   ` Marek Vasut
2012-10-16 13:35     ` Simon Glass
2012-01-06  3:54 ` [U-Boot] [PATCH 5/9] sandbox: sort header files in os.c Simon Glass
2012-01-08  8:49   ` Mike Frysinger
2012-01-09 22:17     ` Simon Glass
2012-01-06  3:54 ` [U-Boot] [PATCH 6/9] sandbox: Add required header to os.c Simon Glass
2012-01-08  8:49   ` Mike Frysinger
2012-01-09 22:18     ` Simon Glass
2012-01-06  3:54 ` [U-Boot] [PATCH 7/9] Remove CONFIG_SYS_EXTBDINFO from snapper9260.h Simon Glass
2012-02-22 11:07   ` Stefano Babic
2012-03-27 16:58   ` Anatolij Gustschin
2012-01-06  3:54 ` [U-Boot] [PATCH 8/9] m68k: Change memsz to a signed char to avoid warning Simon Glass
2012-01-08  9:29   ` Mike Frysinger
2012-02-22 12:01   ` Stefano Babic
2012-01-06  3:54 ` [U-Boot] [PATCH 9/9] ppc: Change memsz variable to signed char Simon Glass
2012-01-08  9:29   ` Mike Frysinger
2012-02-22 12:00   ` Stefano Babic
2012-01-06  6:20 ` [U-Boot] [PATCH 0/9] Fix a few warnings that bug me Wolfgang Denk
2012-01-06  6:28   ` Simon Glass
2012-02-20 18:49     ` Simon Glass
2012-02-21 10:20       ` Stefano Babic
2012-02-21 13:49         ` Stefano Babic
2012-02-21 17:06         ` Mike Frysinger
2012-02-21 17:15           ` Stefano Babic
2012-02-21 18:40             ` Simon Glass
2012-02-22  5:35               ` Mike Frysinger
2012-02-22 11:06               ` Stefano Babic
2012-03-03 14:31               ` Wolfgang Denk
2012-03-05 18:22 ` Marek Vasut
2012-03-05 18:33   ` Simon Glass
2012-03-05 18:42     ` Andy Pont
2012-03-05 19:17       ` Wolfgang Denk
2012-03-05 18:46     ` Marek Vasut

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=201201080427.34098.vapier@gentoo.org \
    --to=vapier@gentoo.org \
    --cc=u-boot@lists.denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox