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* [Bug rtl-optimization/24322] New: Segmentation fault or out of memory compiling FFMpeg snow.c at -O3 for ARM
@ 2005-10-12 1:56 flash at pobox dot com
2005-10-12 1:57 ` [Bug rtl-optimization/24322] " flash at pobox dot com
2005-10-12 13:42 ` rearnsha at gcc dot gnu dot org
0 siblings, 2 replies; 3+ messages in thread
From: flash at pobox dot com @ 2005-10-12 1:56 UTC (permalink / raw)
To: gcc-bugs
Compiling the file snow.c from the ffmpeg project
(http://ffmpeg.sourceforge.net), or a Delta-reduced pre-processed version of it
(which I'll attach) causes either a segmentation fault or out of memory
condition. This was originally noticed by Eric Moon with
arm-softfloat-linux-gnu/gcc-3.4.1-glibc-2.3.3; on his Ubuntu 5.04 machine, he
gets a segmentation fault. On my Ubuntu machine, that compiler instead runs
out of memory, killing my window manager, so I was unable to get much
information about 3.4.1. The gcc-3.4.4-glibc-2.3.5/arm-softfloat-linux-gnu
build behaves similarly; session below.
The CodeSourcery build of 3.4.3, however, does give me a a useful error
message:
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i: In function
`ff_spatial_idwt_init':
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:406: internal
compiler error: Segmentation fault
Does not happen with native x86 versions 3.4.3 with checking enabled, 4.0.1
with checking = all, 3.3.5 (Debian 1:3.3.5-8ubuntu2), or Macintosh 4.0.0 (Apple
build 4061).
This sounds like bug 19592, but that was reported against native 4.0.0, and
was supposedly irreproducible.
Here's the gcc-3.4.4-glibc-2.3.5/arm-softfloat-linux-gnu session:
113> nice
/opt/crosstool/gcc-3.4.4-glibc-2.3.5/arm-softfloat-linux-gnu/bin/arm-softfloat-linux-gnu-gcc
-v -c -O3 ../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.iReading
specs from
/home/opt/crosstool/gcc-3.4.4-glibc-2.3.5/arm-softfloat-linux-gnu/bin/../lib/gcc/arm-softfloat-linux-gnu/3.4.4/specs
Configured with:
/home/flash/projects/open-source/crosstool/main/dist/build/arm-softfloat-linux-gnu/gcc-3.4.4-glibc-2.3.5/gcc-3.4.4/configure
--target=arm-softfloat-linux-gnu --host=i686-host_pc-linux-gnu
--prefix=/opt/crosstool/gcc-3.4.4-glibc-2.3.5/arm-softfloat-linux-gnu
--with-float=soft
--with-headers=/opt/crosstool/gcc-3.4.4-glibc-2.3.5/arm-softfloat-linux-gnu/arm-softfloat-linux-gnu/include
--with-local-prefix=/opt/crosstool/gcc-3.4.4-glibc-2.3.5/arm-softfloat-linux-gnu/arm-softfloat-linux-gnu
--disable-nls --enable-threads=posix --enable-symvers=gnu --enable-__cxa_atexit
--enable-languages=c,c++ --enable-shared --enable-c99 --enable-long-long
Thread model: posix
gcc version 3.4.4
/home/opt/crosstool/gcc-3.4.4-glibc-2.3.5/arm-softfloat-linux-gnu/bin/../libexec/gcc/arm-softfloat-linux-gnu/3.4.4/cc1
-fpreprocessed ../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i
-quiet -dumpbase 110517_snow_min.i -msoft-float -auxbase 110517_snow_min -O3
-version -o /tmp/cc45i7SF.s
GNU C version 3.4.4 (arm-softfloat-linux-gnu)
compiled by GNU C version 3.3.5 (Debian 1:3.3.5-8ubuntu2).
GGC heuristics: --param ggc-min-expand=90 --param ggc-min-heapsize=113332
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:7: warning:
`__transparent_union__' attribute ignored
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:40: warning:
"struct __gconv_step_data" declared inside parameter list
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:40: warning: its
scope is only this definition or declaration, which is probably not what you
want
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:40: warning:
"struct __gconv_step" declared inside parameter list
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:42: warning:
"struct __gconv_step" declared inside parameter list
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i: In function
`predict_slice_buffered':
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:596: warning:
passing arg 6 of `add_yblock_buffered' discards qualifiers from pointer target
type
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i: In function
`dequantize_slice_buffered':
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:644: warning:
pointer/integer type mismatch in conditional expression
<killed manually just before running out of memory>
Here's the CodeSourcery 3.4.3/arm-none-linux-gnueabi 2005-q1 session:
116>
/opt/crosstool/arm-none-linux-gnueabi/gnu-csl-arm-2005Q1B/bin/arm-none-linux-gnueabi-gcc
-v -c -O3 ../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i
Reading specs from
/home/opt/crosstool/arm-none-linux-gnueabi/gnu-csl-arm-2005Q1B/bin/../lib/gcc/arm-none-linux-gnueabi/3.4.3/specs
Configured with: /scratch/paul/2005-q1b/src/gcc-csl-arm/configure
--build=i686-pc-linux-gnu --host=i686-pc-linux-gnu
--target=arm-none-linux-gnueabi --enable-languages=c,c++ --disable-checking
--enable-shared --enable-threads --disable-libmudflap --with-gnu-as
--with-gnu-ld --prefix=/opt/codesourcery --enable-symvers=gnu
--enable-__cxa_atexit
--with-sysroot=/opt/codesourcery/arm-none-linux-gnueabi/libc --enable-threads
--enable-shared
Thread model: posix
gcc version 3.4.3 (release) (CodeSourcery ARM Q1B 2005)
/home/opt/crosstool/arm-none-linux-gnueabi/gnu-csl-arm-2005Q1B/bin/../libexec/gcc/arm-none-linux-gnueabi/3.4.3/cc1
-fpreprocessed ../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i
-quiet -dumpbase 110517_snow_min.i -auxbase 110517_snow_min -O3 -version -o
/tmp/cc6Nmeji.s
GNU C version 3.4.3 (release) (CodeSourcery ARM Q1B 2005)
(arm-none-linux-gnueabi)
compiled by GNU C version 3.2 20020903 (Red Hat Linux 8.0 3.2-7).
GGC heuristics: --param ggc-min-expand=90 --param ggc-min-heapsize=113332
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:7: warning:
`__transparent_union__' attribute ignored
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:40: warning:
"struct __gconv_step_data" declared inside parameter list
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:40: warning: its
scope is only this definition or declaration, which is probably not what you
want
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:40: warning:
"struct __gconv_step" declared inside parameter list
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:42: warning:
"struct __gconv_step" declared inside parameter list
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i: In function
`predict_slice_buffered':
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:596: warning:
passing arg 6 of `add_yblock_buffered' discards qualifiers from pointer target
type
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i: In function
`dequantize_slice_buffered':
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:644: warning:
pointer/integer type mismatch in conditional expression
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i: In function
`ff_spatial_idwt_init':
../cpp/bugfiles/GCC_bugfiles/noerror/warn/110517_snow_min.i:406: internal
compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
Send email to arm-gnu@codesourcery.com for instructions.
--
Summary: Segmentation fault or out of memory compiling FFMpeg
snow.c at -O3 for ARM
Product: gcc
Version: 3.4.4
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: rtl-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: flash at pobox dot com
GCC target triplet: arm-softfloat-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24322
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug rtl-optimization/24322] Segmentation fault or out of memory compiling FFMpeg snow.c at -O3 for ARM
2005-10-12 1:56 [Bug rtl-optimization/24322] New: Segmentation fault or out of memory compiling FFMpeg snow.c at -O3 for ARM flash at pobox dot com
@ 2005-10-12 1:57 ` flash at pobox dot com
2005-10-12 13:42 ` rearnsha at gcc dot gnu dot org
1 sibling, 0 replies; 3+ messages in thread
From: flash at pobox dot com @ 2005-10-12 1:57 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from flash at pobox dot com 2005-10-12 01:57 -------
Created an attachment (id=9974)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9974&action=view)
110517_snow_min.i
PalmSource bug 110517.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24322
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug rtl-optimization/24322] Segmentation fault or out of memory compiling FFMpeg snow.c at -O3 for ARM
2005-10-12 1:56 [Bug rtl-optimization/24322] New: Segmentation fault or out of memory compiling FFMpeg snow.c at -O3 for ARM flash at pobox dot com
2005-10-12 1:57 ` [Bug rtl-optimization/24322] " flash at pobox dot com
@ 2005-10-12 13:42 ` rearnsha at gcc dot gnu dot org
1 sibling, 0 replies; 3+ messages in thread
From: rearnsha at gcc dot gnu dot org @ 2005-10-12 13:42 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from rearnsha at gcc dot gnu dot org 2005-10-12 13:42 -------
Stack backstrace suggests that this is probably a duplicate of PR23870.
*** This bug has been marked as a duplicate of 23870 ***
--
rearnsha at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |DUPLICATE
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24322
^ permalink raw reply [flat|nested] 3+ messages in thread
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2005-10-12 1:56 [Bug rtl-optimization/24322] New: Segmentation fault or out of memory compiling FFMpeg snow.c at -O3 for ARM flash at pobox dot com
2005-10-12 1:57 ` [Bug rtl-optimization/24322] " flash at pobox dot com
2005-10-12 13:42 ` rearnsha at gcc dot gnu dot org
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