ICE in compiling complex/cacos.c for arm/thumb

[Jeff Johnston]

On 11/03/2010 09:08 PM, Ralf Corsepius wrote:
> On 10/09/2010 10:35 AM, Ralf Corsepius wrote:
>> Hi,
>>
>> when bootstrapping GCC/newlib for arm/thumb using gcc-4.5.1 or
>> gcc-4_5-branch, I am facing a GCC ICE:
>>
>> ...
>> /builddir/build/BUILD/rtems-4.11-arm-rtems4.11-gcc-4.5.1/build/./gcc/xgcc
>> -B/builddir/build/BUILD/rtems-4.11-arm-rtems4.11-gcc-4.5.1/build/./gcc/
>> -nostdinc
>> -B/builddir/build/BUILD/rtems-4.11-arm-rtems4.11-gcc-4.5.1/build/arm-rtems4.11/thumb/newlib/
>>
>> -isystem
>> /builddir/build/BUILD/rtems-4.11-arm-rtems4.11-gcc-4.5.1/build/arm-rtems4.11/thumb/newlib/targ-include
>>
>> -isystem
>> /builddir/build/BUILD/rtems-4.11-arm-rtems4.11-gcc-4.5.1/gcc-4.5.1/newlib/libc/include
>>
>> -B/opt/rtems-4.11/arm-rtems4.11/bin/
>> -B/opt/rtems-4.11/arm-rtems4.11/lib/ -isystem
>> /opt/rtems-4.11/arm-rtems4.11/include -isystem
>> /opt/rtems-4.11/arm-rtems4.11/sys-include -mthumb
>> -DPACKAGE_NAME=\"newlib\" -DPACKAGE_TARNAME=\"newlib\"
>> -DPACKAGE_VERSION=\"1.18.0\" -DPACKAGE_STRING=\"newlib\ 1.18.0\"
>> -DPACKAGE_BUGREPORT=\"\" -I.
>> -I../../../../../../gcc-4.5.1/newlib/libm/complex
>> -I../../../../../../gcc-4.5.1/newlib/libm/complex/../common
>> -I../../../../../../gcc-4.5.1/newlib/libm/complex/ -D_COMPILING_NEWLIB
>> -DMALLOC_PROVIDED -DEXIT_PROVIDED -DSIGNAL_PROVIDED
>> -DREENTRANT_SYSCALLS_PROVIDED -DHAVE_NANOSLEEP -DHAVE_BLKSIZE
>> -DHAVE_FCNTL -DHAVE_ASSERT_FUNC -D_NO_GETLOGIN -D_NO_GETPWENT
>> -D_NO_GETUT -D_NO_GETPASS -D_NO_SIGSET -D_NO_WORDEXP -D_NO_POPEN
>> -fno-builtin -g -O2 -mthumb -c -o lib_a-cacos.o `test -f 'cacos.c' ||
>> echo '../../../../../../gcc-4.5.1/newlib/libm/complex/'`cacos.c
>> ../../../../../../gcc-4.5.1/newlib/libm/complex/cacos.c: In function
>> 'cacos':
>> ../../../../../../gcc-4.5.1/newlib/libm/complex/cacos.c:46:1: internal
>> compiler error: in find_valid_class, at reload.c:704
>> Please submit a full bug report,
>> with preprocessed source if appropriate.
>> See <http://gcc.gnu.org/bugs.html> for instructions.
>> make[8]: *** [lib_a-cacos.o] Error 1
>>
>>
>> Though this definitely is a compiler bug, I found reordering the code in
>> complex/cacos.c lets building succeed.
>>
>> I am going to add this patch to RTEMS newlib patches and would
>> appreciate if it was considered for inclusion in newlib.
>>
>> TIA,
>>
>> Ralf
>
> Ping!
>
> Ralf
>

Patch checked in.

-- Jeff J.