Hi Wolfgang,
On Thu, Jan 5, 2012 at 10:48 PM, Wolfgang Denk <w...@denx.de> wrote:
> Dear Simon Glass,
>
> In message <1325822097-15227-3-git-send-email-...@chromium.org> you 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:
$ (for b in $(cd ~/cosarm/buildall/logs.master.9a42098 && grep -l 1493
*ERR |sed 's/.ERR//'); do grep $b boards.cfg; done ) |awk '{print $2,
$1}'
avr32 atngw100
avr32 atstk1002
avr32 atstk1003
avr32 atstk1004
avr32 atstk1006
mips dbau1000
mips dbau1100
mips dbau1500
mips dbau1550
mips dbau1550_el
avr32 favr-32-ezkit
avr32 grasshopper
mips gth2
avr32 hammerhead
mips incaip
mips incaip_100MHz
mips incaip_133MHz
mips incaip_150MHz
m68k M54451EVB
m68k M54451EVB_stmicro
m68k M54451EVB_stmicro
m68k M54455EVB_a66
m68k M54455EVB
m68k M54455EVB_a66
m68k M54455EVB_i66
m68k M54455EVB_intel
m68k M54455EVB_stm33
m68k M54455EVB_i66
m68k M54455EVB_intel
m68k M54455EVB_stm33
m68k M5475AFE
m68k M5475BFE
m68k M5475CFE
m68k M5475DFE
m68k M5475EFE
m68k M5475FFE
m68k M5475GFE
m68k M5485AFE
m68k M5485BFE
m68k M5485CFE
m68k M5485DFE
m68k M5485EFE
m68k M5485FFE
m68k M5485GFE
m68k M5485HFE
avr32 mimc200
mips qemu_mips
mips vct_platinumavc
mips vct_platinumavc_onenand
mips vct_platinumavc_onenand_small
mips vct_platinumavc_small
mips vct_platinumavc_onenand
mips vct_platinumavc_onenand_small
mips vct_platinumavc_onenand_small
mips vct_platinumavc_small
mips vct_platinum
mips vct_platinumavc
mips vct_platinumavc_onenand
mips vct_platinumavc_onenand_small
mips vct_platinumavc_small
mips vct_platinum_onenand
mips vct_platinum_onenand_small
mips vct_platinum_small
mips vct_platinum_onenand
mips vct_platinum_onenand_small
mips vct_platinum_onenand_small
mips vct_platinum_small
mips vct_premium
mips vct_premium_onenand
mips vct_premium_onenand_small
mips vct_premium_small
mips vct_premium_onenand
mips vct_premium_onenand_small
mips vct_premium_onenand_small
mips vct_premium_small
Using built-in specs.
Target: mips-linux
Configured with: /home/tony/buildall/src/gcc/configure
--target=mips-linux --enable-targets=all
--prefix=/opt/cross/gcc-4.4.4-nolibc/mips-linux/ --enable-languages=c
--with-newlib --without-headers --enable-sjlj-exceptions
--with-system-libunwind --disable-nls --disable-threads
--disable-shared --disable-libmudflap --disable-libssp
--disable-libgomp --disable-decimal-float --enable-checking=release
--with-mpfr=/home/tony/buildall/src/sys
--with-gmp=/home/tony/buildall/src/sys
Thread model: single
gcc version 4.4.4 (GCC)
Using built-in specs.
Target: m68k-linux
Configured with: /home/tony/buildall/src/gcc/configure
--target=m68k-linux --enable-targets=all
--prefix=/opt/cross/gcc-4.4.4-nolibc/m68k-linux/ --enable-languages=c
--with-newlib --without-headers --enable-sjlj-exceptions
--with-system-libunwind --disable-nls --disable-threads
--disable-shared --disable-libmudflap --disable-libssp
--disable-libgomp --disable-decimal-float --enable-checking=release
--with-mpfr=/home/tony/buildall/src/sys
--with-gmp=/home/tony/buildall/src/sys
Thread model: single
gcc version 4.4.4 (GCC)
Using built-in specs.
Target: powerpc-linux
Configured with: /home/tony/buildall/src/gcc/configure
--target=powerpc-linux --enable-targets=all
--prefix=/opt/cross/gcc-4.4.4-nolibc/powerpc-linux/
--enable-languages=c --with-newlib --without-headers
--enable-sjlj-exceptions --with-system-libunwind --disable-nls
--disable-threads --disable-shared --disable-libmudflap
--disable-libssp --disable-libgomp --disable-decimal-float
--enable-checking=release --with-mpfr=/home/tony/buildall/src/sys
--with-gmp=/home/tony/buildall/src/sys
Thread model: single
gcc version 4.4.4 (GCC)
>From here:
http://dev.gentoo.org/~vapier/u-boot/
>
> Also, at least one for the "mpc5xxx: Fix strict-aliasing warnings in
> usb_ohci.c" and "ppc4xx: Fix strict-aliasing warnings in usb_ohci.c"
> patches?
powerpc BC3450
powerpc cm5200
powerpc EVAL5200
powerpc galaxy5200
powerpc galaxy5200_LOWBOOT
powerpc galaxy5200_LOWBOOT
powerpc inka4x0
powerpc mcc200_COM12
powerpc mcc200_COM12_highboot
powerpc mcc200_COM12_highboot_SDRAM
powerpc mcc200_COM12_SDRAM
powerpc mcc200_COM12_highboot
powerpc mcc200_COM12_highboot_SDRAM
powerpc mcc200_COM12_highboot_SDRAM
powerpc mcc200_COM12_SDRAM
powerpc mcc200
powerpc mcc200_COM12
powerpc mcc200_COM12_highboot
powerpc mcc200_COM12_highboot_SDRAM
powerpc mcc200_COM12_SDRAM
powerpc mcc200_highboot
powerpc mcc200_highboot_SDRAM
powerpc mcc200_SDRAM
powerpc prs200
powerpc prs200_DDR
powerpc prs200_highboot
powerpc prs200_highboot_DDR
powerpc mcc200_highboot
powerpc mcc200_highboot_SDRAM
powerpc mcc200_highboot_SDRAM
powerpc mcc200_SDRAM
powerpc PM520_DDR
powerpc PM520
powerpc PM520_DDR
powerpc PM520_ROMBOOT
powerpc PM520_ROMBOOT_DDR
powerpc PM520_ROMBOOT_DDR
powerpc PM520_ROMBOOT
powerpc PM520_ROMBOOT_DDR
powerpc prs200_DDR
powerpc prs200
powerpc prs200_DDR
powerpc prs200_highboot
powerpc prs200_highboot_DDR
powerpc prs200_highboot_DDR
powerpc prs200_highboot
powerpc prs200_highboot_DDR
powerpc TB5200_B
powerpc TB5200
powerpc TB5200_B
powerpc Total5200
powerpc Total5200_lowboot
powerpc Total5200_Rev2
powerpc Total5200_Rev2_lowboot
powerpc Total5200_lowboot
powerpc Total5200_Rev2
powerpc Total5200_Rev2_lowboot
powerpc Total5200_Rev2_lowboot
powerpc v38b
and
powerpc acadia
powerpc acadia_nand
powerpc acadia_nand
powerpc bamboo
powerpc bamboo_nand
powerpc bamboo_nand
powerpc korat
powerpc korat_perm
powerpc korat_perm
powerpc pcs440ep
>
> I wonder why I don't see any such warnings. Which exact commit ID are
> you building?
I was building with this :
commit 9a420986cccc9bd2c37affd931d627b3c3e72952
Author: Rob Herring <rob.herr...@calxeda.com>
Date: Thu Dec 15 11:15:50 2011 +0000
ARM: highbank: enable networking and pxe
(so before all the common.h problems).
Regards,
Simon
>
> Thanks.
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
> Make it right before you make it faster.
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