[Bug c/50928] m32c ICE building RTEMS

corsepiu at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Mar 26 08:30:00 GMT 2013


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

Ralf Corsepius <corsepiu at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |corsepiu at gcc dot gnu.org
      Known to work|                            |4.7.2
      Known to fail|                            |4.8.0

--- Comment #4 from Ralf Corsepius <corsepiu at gcc dot gnu.org> 2013-03-26 08:30:02 UTC ---
This bug had vanished with gcc-4.7.2, but has returned with gcc-4.8.0:

/builddir/build/BUILD/rtems-4.11-m32c-rtems4.11-gcc-4.8.0/build/./gcc/xgcc
-B/builddir/build/BUILD/rtems-4.11-m32c-rtems4.11-gcc-4.8.0/build/./gcc/
-nostdinc
-B/builddir/build/BUILD/rtems-4.11-m32c-rtems4.11-gcc-4.8.0/build/m32c-rtems4.11/newlib/
-isystem
/builddir/build/BUILD/rtems-4.11-m32c-rtems4.11-gcc-4.8.0/build/m32c-rtems4.11/newlib/targ-include
-isystem
/builddir/build/BUILD/rtems-4.11-m32c-rtems4.11-gcc-4.8.0/gcc-4.8.0/newlib/libc/include
-B/opt/rtems-4.11/m32c-rtems4.11/bin/ -B/opt/rtems-4.11/m32c-rtems4.11/lib/
-isystem /opt/rtems-4.11/m32c-rtems4.11/include -isystem
/opt/rtems-4.11/m32c-rtems4.11/sys-include    -g -O2 -mcpu=m32cm -O2
-I../../../../gcc-4.8.0/libgcc/../newlib/libc/sys/rtems/include -g -O2 -DIN_GCC
-DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition 
-isystem ./include   -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector
-Dinhibit_libc  -I. -I. -I../../.././gcc -I../../../../gcc-4.8.0/libgcc
-I../../../../gcc-4.8.0/libgcc/. -I../../../../gcc-4.8.0/libgcc/../gcc
-I../../../../gcc-4.8.0/libgcc/../include  -DHAVE_CC_TLS -DUSE_EMUTLS -o
_ffsdi2.o -MT _ffsdi2.o -MD -MP -MF _ffsdi2.dep -DL_ffsdi2 -c
../../../../gcc-4.8.0/libgcc/libgcc2.c -fvisibility=hidden -DHIDE_EXPORTS
../../../../gcc-4.8.0/libgcc/libgcc2.c: In function '__ffssi2':
../../../../gcc-4.8.0/libgcc/libgcc2.c:522:1: error: unable to find a register
to spill in class 'A_REGS'
 }
 ^
../../../../gcc-4.8.0/libgcc/libgcc2.c:522:1: error: this is the insn:
(insn 58 56 59 10 (set (reg:HI 0 r0 [orig:26 D.2817 ] [26])
        (zero_extend:HI (mem/u/j:QI (plus:PSI (subreg:PSI (reg:SI 44 [ D.2818
]) 0)
                    (symbol_ref:PSI ("__clz_tab") [flags 0x40] <var_decl
0x7f55b9a14ab0 __clz_tab>)) [0 __clz_tab S1 A8])))
../../../../gcc-4.8.0/libgcc/libgcc2.c:520 115 {zero_extendqihi2}
     (expr_list:REG_DEAD (reg:SI 44 [ D.2818 ])
        (nil)))
../../../../gcc-4.8.0/libgcc/libgcc2.c:522: confused by earlier errors, bailing
out



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