sparc-rtems5-gcc Internal Compiler Error

[Daniel Cederman]

Hi Joel,

Yes, there was a bug in one of the errata fixes. It has been fixed now, 
see https://gcc.gnu.org/ml/gcc-patches/2017-12/msg00593.html and 
https://devel.rtems.org/ticket/3242#comment:4.

Daniel C

On 2017-12-19 16:18, Joel Sherrill wrote:
> Hi
> 
> Has anyone else seen this?
> 
> sparc-rtems5-gcc --pipe -DHAVE_CONFIG_H   -I.. 
> -I../../cpukit/../../../ut700/lib/include   -mcpu=leon3 -mfix-ut700 -O2 
> -g -ffunction-sections -fdata-sections -Wall -Wmissing-prototypes 
> -Wimplicit-function-declaration -Wstrict-prototypes -Wnested-externs -MT 
> src/libscore_a-objectgetnoprotection.o -MD -MP -MF 
> src/.deps/libscore_a-objectgetnoprotection.Tpo -c -o 
> src/libscore_a-objectgetnoprotection.o `test -f 
> 'src/objectgetnoprotection.c' || echo 
> '../../../../../../rtems/c/src/../../cpukit/score/'`src/objectgetnoprotection.c
> ../../../../../../rtems/c/src/../../cpukit/score/src/objectgetnoprotection.c: 
> In function '_Objects_Get_no_protection':
> ../../../../../../rtems/c/src/../../cpukit/score/src/objectgetnoprotection.c:48:1: 
> internal compiler error: Segmentation fault
>   }
>   ^
> 0x8823cf crash_signal
>          ../../gcc-7.2.0/gcc/toplev.c:337
> 0x5d5211 active_insn_p
>          ../../gcc-7.2.0/gcc/emit-rtl.c:3525
> 0x5d5211 next_active_insn(rtx_insn*)
>          ../../gcc-7.2.0/gcc/emit-rtl.c:3538
> 0xaf6d20 sparc_do_work_around_errata
>          ../../gcc-7.2.0/gcc/config/sparc/sparc.c:1056
> 0xaf6d20 execute
>          ../../gcc-7.2.0/gcc/config/sparc/sparc.c:1482
> 
> $ sparc-rtems5-gcc --version
> sparc-rtems5-gcc (GCC) 7.2.0 20170814 (RTEMS 5, RSB 
> 7034d65872831fdc5221a01ec3c281f95b97483b, Newlib 2.5.0.20170922)
> 
> --joel
> 
> 
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