[Bug target/19949] New: [4.0 Regression] error: unable to emulate 'DC'

[corsepiu at gcc dot gnu dot org]

Bootstrapping h8300-rtems* (GCC-4.0 - 20050214) fails with:

/users/rtems/src/rpms/BUILD/rtems-4.7-h8300-rtems4.7-gcc-newlib-gcc4.0.0newlib1.13.0/build/gcc/xgcc
-B/users/rtems/src/rpms/BUILD/rtems-4.7-h8300-rtems4.7-gcc-newlib-gcc4.0.0newlib1.13.0/build/gcc/
-nostdinc
-B/users/rtems/src/rpms/BUILD/rtems-4.7-h8300-rtems4.7-gcc-newlib-gcc4.0.0newlib1.13.0/build/h8300-rtems4.7/newlib/
-isystem
/users/rtems/src/rpms/BUILD/rtems-4.7-h8300-rtems4.7-gcc-newlib-gcc4.0.0newlib1.13.0/build/h8300-rtems4.7/newlib/targ-include
-isystem
/users/rtems/src/rpms/BUILD/rtems-4.7-h8300-rtems4.7-gcc-newlib-gcc4.0.0newlib1.13.0/gcc-4.0.0/newlib/libc/include
-B/opt/rtems-4.7/h8300-rtems4.7/bin/ -B/opt/rtems-4.7/h8300-rtems4.7/lib/
-isystem /opt/rtems-4.7/h8300-rtems4.7/include -isystem
/opt/rtems-4.7/h8300-rtems4.7/sys-include -O2
-I../../gcc-4.0.0/gcc/../newlib/libc/sys/rtems/include -DIN_GCC -DCROSS_COMPILE
  -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition  -isystem ./include  -DDF=SF -g -DHAVE_GTHR_DEFAULT
-DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I.
-I../../gcc-4.0.0/gcc -I../../gcc-4.0.0/gcc/. -I../../gcc-4.0.0/gcc/../include
-I../../gcc-4.0.0/gcc/../libcpp/include  -DL_muldi3 -c
../../gcc-4.0.0/gcc/libgcc2.c -o libgcc/./_muldi3.o
In file included from ../../gcc-4.0.0/gcc/libgcc2.c:56:
../../gcc-4.0.0/gcc/libgcc2.h:96: error: unable to emulate 'DC'
make[2]: *** [libgcc/./_muldi3.o] Error 1
make[2]: Leaving directory
`/users/rtems/src/rpms/BUILD/rtems-4.7-h8300-rtems4.7-gcc-newlib-gcc4.0.0newlib1.13.0/build/gcc'
make[1]: *** [stmp-multilib] Error 2
make[1]: Leaving directory
`/users/rtems/src/rpms/BUILD/rtems-4.7-h8300-rtems4.7-gcc-newlib-gcc4.0.0newlib1.13.0/build/gcc'
make: *** [all-gcc] Error 2

AFAIS, this breakdown is strongly related to PR 19920.

-- 
           Summary: [4.0 Regression] error: unable to emulate 'DC'
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: corsepiu at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org,joel at oarcorp dot com
GCC target triplet: h8300-rtems*


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19949