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From: Marek Vasut <marek.vasut@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 7/7] GCC4.6: Squash warning in cmd_mem.c
Date: Mon, 26 Sep 2011 19:31:23 +0200	[thread overview]
Message-ID: <201109261931.24045.marek.vasut@gmail.com> (raw)
In-Reply-To: <201109261210.38017.vapier@gentoo.org>

On Monday, September 26, 2011 06:10:37 PM Mike Frysinger wrote:
> On Monday, September 26, 2011 05:03:46 Marek Vasut wrote:
> > On Monday, September 26, 2011 09:25:36 AM Wolfgang Denk wrote:
> > > Mike Frysinger wrote:
> > > > > The assigned variable can be removed because the pointers are
> > > > > volatile so accesses to their addresses are always generated.
> > > > 
> > > > i think the stores to a var were added to avoid a gcc warning, but if
> > > > newer versions don't warn anymore, should be fine.
> > > 
> > > Obviously we have to check if older tools still accept this.
> > 
> > Hi,
> > 
> > as I was never completely sure about this file from the begining, I'm all
> > for it.
> > 
> > Btw. who's supposed to merge the rest of the series anyway ?
> > 
> > > Marek, which tool chains did you use for testing?
> > 
> > Hand-built gcc4.6.0+debian patches and gcc4.4.6+debian patches:
> > 
> > arm-linux-gnueabi-gcc-4.4 (Debian 4.4.6-7) 4.4.6
> > arm-linux-gnueabi-gcc-4.6 (Debian 4.6.0-14) 4.6.1 20110616 (prerelease)
> > 
> > There was someone on the irc who (unsuccessfully) tried to compile uboot
> > with gcc 2.xx recently. Maybe we should impose some lower bound for
> > compiler version, though I guess 4.4 is too high. Suggestions ?
> 
> i think gcc-3.x has been broken for a while but no one has noticed

I guess we should go the kernel way -- make it 4.2 and be done with it.

> -mike

  reply	other threads:[~2011-09-26 17:31 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-26  0:26 [U-Boot] [PATCH 1/7 V2] GCC4.6: Convert various empty macros to inline functions Marek Vasut
2011-09-26  0:26 ` [U-Boot] [PATCH 2/7 RESEND] GCC4.6: Remove unused "port" variable in cmd_usb.c Marek Vasut
2011-09-26  3:40   ` Mike Frysinger
2011-09-26  0:26 ` [U-Boot] [PATCH 3/7] GCC4.6: Squash warning in cmd_flash.c Marek Vasut
2011-10-01 21:25   ` Wolfgang Denk
2011-09-26  0:26 ` [U-Boot] [PATCH 4/7] GCC4.6: Squash warning in cmd_nvedit.c Marek Vasut
2011-09-26  3:39   ` Mike Frysinger
2011-09-26  3:40   ` Mike Frysinger
2011-09-26 18:15   ` Simon Glass
2011-10-01 21:26   ` Wolfgang Denk
2011-09-26  0:26 ` [U-Boot] [PATCH 5/7] GCC4.6: Squash warnings in lcd.c Marek Vasut
2011-10-01 21:26   ` Wolfgang Denk
2011-09-26  0:26 ` [U-Boot] [PATCH 6/7] GCC4.6: Squash warnings in ipu_disp.c Marek Vasut
2011-10-01 21:27   ` Wolfgang Denk
2011-09-26  0:26 ` [U-Boot] [PATCH 7/7] GCC4.6: Squash warning in cmd_mem.c Marek Vasut
2011-09-26  3:41   ` Mike Frysinger
2011-09-26  7:25     ` Wolfgang Denk
2011-09-26  9:03       ` Marek Vasut
2011-09-26 16:10         ` Mike Frysinger
2011-09-26 17:31           ` Marek Vasut [this message]
2011-09-26 18:03             ` Wolfgang Denk
2011-09-26 18:29               ` Marek Vasut
2011-09-26 18:49                 ` Wolfgang Denk
2011-09-26 19:52                 ` Mike Frysinger
2011-09-26 18:05   ` Simon Glass
2011-09-26 18:24     ` Marek Vasut
2011-09-26 18:29       ` Simon Glass
2011-09-26 18:34         ` Marek Vasut
2011-09-26 19:01           ` Simon Glass
2011-09-26 19:10             ` Marek Vasut
2011-09-26 19:13               ` Simon Glass
2011-10-01 21:27   ` Wolfgang Denk
2011-09-26  2:39 ` [U-Boot] [PATCH 1/7 V2] GCC4.6: Convert various empty macros to inline functions Fabio Estevam
2011-09-26  9:04   ` Marek Vasut
2011-09-26 11:28     ` Wolfgang Denk
2011-09-26  3:41 ` Mike Frysinger
2011-09-26 17:36 ` [U-Boot] [PATCH 1/7 V3] " Marek Vasut
2011-10-01 21:20   ` Wolfgang Denk
2011-10-02 18:36     ` Wolfgang Denk
2011-10-02 19:08       ` Marek Vasut
2011-10-02 22:50         ` Marek Vasut
2011-10-03 18:32 ` [U-Boot] [PATCH 1/7 V2] " Marek Vasut
2011-10-03 18:36   ` Wolfgang Denk
2011-10-03 18:42     ` Marek Vasut
2011-10-03 22:58       ` Marek Vasut
2011-10-04 12:18     ` Marek Vasut
2011-10-04 19:06       ` Marek Vasut
2011-10-04 19:23         ` Wolfgang Denk
2011-10-04 19:46         ` Mike Frysinger
2011-10-04 20:44           ` Wolfgang Denk
2011-10-04 20:58             ` Marek Vasut

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