[Bug c/50928] New: ICE building RTEMS

["joel at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50928

             Bug #: 50928
           Summary: ICE building RTEMS
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: joel@gcc.gnu.org


gcc (GCC) 4.7.0 20111029 (experimental)
Newlib cvs head as of same date

m32c-rtems4.11-gcc --pipe  -mcpu=m32cm --pipe -DHAVE_CONFIG_H   -I..
-I../../../lib/include -D__RTEMS_INSIDE__   -g -O2 -Wall
-Wimplicit-function-declaration -Wstrict-prototypes -Wnested-externs 
-mcpu=m32cm -MT src/libscore_a-heap.o -MD -MP -MF src/.deps/libscore_a-heap.Tpo
-c -o src/libscore_a-heap.o `test -f 'src/heap.c' || echo
'/users/joel/test-gcc/rtems/cpukit/score/'`src/heap.c
In file included from ../../../lib/include/rtems/score/basedefs.h:25:0,
                 from ../../../lib/include/rtems/score/types.h:22,
                 from ../../../lib/include/rtems/score/cpu.h:40,
                 from ../../../lib/include/rtems/score/percpu.h:22,
                 from ../../../lib/include/rtems/system.h:23,
                 from /users/joel/test-gcc/rtems/cpukit/score/src/heap.c:28:
../../../lib/include/rtems/score/cpuopts.h:56:0: warning:
"__RTEMS_SIZEOF_VOID_P__" redefined [enabled by default]
In file included from /users/joel/test-gcc/rtems/cpukit/score/src/heap.c:23:0:
../config.h:465:0: note: this is the location of the previous definition
/users/joel/test-gcc/rtems/cpukit/score/src/heap.c: In function
'_Heap_Initialize':
/users/joel/test-gcc/rtems/cpukit/score/src/heap.c:300:1: error: unable to find
a register to spill in class 'A_REGS'
/users/joel/test-gcc/rtems/cpukit/score/src/heap.c:300:1: error: this is the
insn:
(insn 119 118 120 13 (set (mem/s:SI (subreg:PSI (reg/f:SI 30 [ first_block.3 ])
0) [3 first_block.3_22->prev_size+0 S4 A8])
        (reg/v:SI 28 [ heap_area_end ]))
/users/joel/test-gcc/rtems/cpukit/score/src/heap.c:260 98 {movsi_24}
     (nil))
/users/joel/test-gcc/rtems/cpukit/score/src/heap.c:300:1: internal compiler
error: in spill_failure, at reload1.c:2118
Please submit a full bug report,