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Re: arm/thumb broken on head


On 11/11/2014 9:27 AM, Ramana Radhakrishnan wrote:
> On Tue, Nov 11, 2014 at 3:16 PM, Joel Sherrill
> <joel.sherrill@oarcorp.com> wrote:
>>> Fix is committed to trunk at
>>> https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=217341.
>>>
>>> BR,
>>> Terry
>>>
>> That got past libgcc2 but now it fails building newlib for arm-eabi.
>> This is just a build of gcc with newlib and libgloss symlinked into
>> the source. You should be able to duplicate this. But if you need a
>> preprocessed file, I will send one.
>>
>> /users/joel/test-gcc/b-arm-eabi-gcc/./gcc/xgcc
>> -B/users/joel/test-gcc/b-arm-eabi-gcc/./gcc/ -nostdinc
>> -B/users/joel/test-gcc/b-arm-eabi-gcc/arm-eabi/thumb/newlib/ -isystem
>> /users/joel/test-gcc/b-arm-eabi-gcc/arm-eabi/thumb/newlib/targ-include
>> -isystem /users/joel/test-gcc/gcc/newlib/libc/include
>> -B/users/joel/test-gcc/b-arm-eabi-gcc/arm-eabi/thumb/libgloss/arm
>> -L/users/joel/test-gcc/b-arm-eabi-gcc/arm-eabi/thumb/libgloss/libnosys
>> -L/users/joel/test-gcc/gcc/libgloss/arm
>> -B/users/joel/test-gcc/install-head/arm-eabi/bin/
>> -B/users/joel/test-gcc/install-head/arm-eabi/lib/ -isystem
>> /users/joel/test-gcc/install-head/arm-eabi/include -isystem
>> /users/joel/test-gcc/install-head/arm-eabi/sys-include  -mthumb
>> -DPACKAGE_NAME=\"newlib\" -DPACKAGE_TARNAME=\"newlib\"
>> -DPACKAGE_VERSION=\"2.1.0\" -DPACKAGE_STRING=\"newlib\ 2.1.0\"
>> -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -I.
>> -I../../../../../../gcc/newlib/libc/stdlib -DARM_RDI_MONITOR
>> -fno-builtin      -g -O2  -mthumb -c -o lib_a-ecvtbuf.o `test -f
>> 'ecvtbuf.c' || echo '../../../../../../gcc/newlib/libc/stdlib/'`ecvtbuf.c
>> In file included from
>> ../../../../../../gcc/newlib/libc/stdlib/ecvtbuf.c:70:0:
>> /users/joel/test-gcc/gcc/newlib/libc/include/stdlib.h: In function
>> 'fcvtbuf':
>> /users/joel/test-gcc/gcc/newlib/libc/include/stdlib.h:175:8: error:
>> non-trivial conversion at assignment
>>  char * _EXFUN(fcvtbuf,(double, int, int*, int*, char *));
>>         ^
>> sizetype
>> int
>> _64 = _37;
>> /users/joel/test-gcc/gcc/newlib/libc/include/stdlib.h:175:8: internal
>> compiler error: verify_gimple failed
>> 0x9602d1 verify_gimple_in_cfg(function*, bool)
>>     ../../gcc/gcc/tree-cfg.c:5039
>> 0x86fd06 execute_function_todo
>>     ../../gcc/gcc/passes.c:1868
>> 0x870733 execute_todo
>>     ../../gcc/gcc/passes.c:1925
>> Please submit a full bug report,
>> with preprocessed source if appropriate.
> That certainly looks like a different issue to the one with Terry's
> patch. It does look like something else is broken in one of the tree
> passes, maybe worth a bugzilla with pre-processed source and configury
> options.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63817

I think that has enough detail. If not, just ask.
>
> Ramana
>
>> --
>> Joel Sherrill, Ph.D.             Director of Research & Development
>> joel.sherrill@OARcorp.com        On-Line Applications Research
>> Ask me about RTEMS: a free RTOS  Huntsville AL 35805
>> Support Available                (256) 722-9985
>>

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill@OARcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
Support Available                (256) 722-9985


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