[Bug bootstrap/20765] New: c4x port doesn't build

["kazu at cs dot umass dot edu" <gcc-bugzilla at gcc dot gnu dot org>]

When I try to build gcc with bintuils, I get the following error message.

In file included from /home/kazu/gnu/gcc/gcc-develop/gcc/gcc/unwind-dw2-fde.c:38:
/home/kazu/gnu/gcc/gcc-develop/gcc/gcc/unwind.h:59: error: unable to emulate
$-1òøDIòù
In file included from /home/kazu/gnu/gcc/gcc-develop/gcc/gcc/unwind-dw2-fde.c:40:
/home/kazu/gnu/gcc/gcc-develop/gcc/gcc/unwind-pe.h: In function
$-1òøread_encoded_value_with_baseòù:
/home/kazu/gnu/gcc/gcc-develop/gcc/gcc/unwind-pe.h:190: error: unable to
emulate $-1òøSIòù
/home/kazu/gnu/gcc/gcc-develop/gcc/gcc/unwind-pe.h:191: error: unable to
emulate $-1òøDIòù
/home/kazu/gnu/gcc/gcc-develop/gcc/gcc/unwind-pe.h:193: error: unable to
emulate $-1òøSIòù
/home/kazu/gnu/gcc/gcc-develop/gcc/gcc/unwind-pe.h:194: error: unable to
emulate $-1òøDIòù
In file included from /home/kazu/gnu/gcc/gcc-develop/gcc/gcc/unwind-dw2-fde.c:41:
/home/kazu/gnu/gcc/gcc-develop/gcc/gcc/unwind-dw2-fde.h: At top level:
/home/kazu/gnu/gcc/gcc-develop/gcc/gcc/unwind-dw2-fde.h:112: error: unable to
emulate $-1òøSIòù
/home/kazu/gnu/gcc/gcc-develop/gcc/gcc/unwind-dw2-fde.h:113: error: unable to
emulate $-1òøSIòù

Here is a reduced test case.

typedef unsigned _Unwind_Exception_Class __attribute__((__mode__(__DI__)));

-- 
           Summary: c4x port doesn't build
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: kazu at cs dot umass dot edu
                CC: gcc-bugs at gcc dot gnu dot org
GCC target triplet: c4x


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20765