Bootstrap broken on x86-64

[Diego Novillo <dnovillo at redhat dot com>]

Is anybody else seeing this?


./xgcc -B./ 
-B/home/cygnus/dnovillo/gcc/native.x86-64/x86_64-unknown-linux-gnu/bin/ 
-isystem 
/home/cygnus/dnovillo/gcc/native.x86-64/x86_64-unknown-linux-gnu/include 
-isystem 
/home/cygnus/dnovillo/gcc/native.x86-64/x86_64-unknown-linux-gnu/sys-include 
-L/home/cygnus/dnovillo/gcc/native.x86-64/bld.torquemada/gcc/../ld -O2 
-DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes 
-Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC 
-g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -I. -I. 
-I/home/cygnus/dnovillo/gcc/src.x86-64/gcc 
-I/home/cygnus/dnovillo/gcc/src.x86-64/gcc/. 
-I/home/cygnus/dnovillo/gcc/src.x86-64/gcc/../include 
-I/home/cygnus/dnovillo/gcc/src.x86-64/gcc/../libcpp/include 
-I/home/cygnus/dnovillo/x86_64/include  -DL_fixdfdi -fvisibility=hidden 
-DHIDE_EXPORTS -c /home/cygnus/dnovillo/gcc/src.x86-64/gcc/libgcc2.c -o 
libgcc/./_fixdfdi.o
/home/cygnus/dnovillo/gcc/src.x86-64/gcc/libgcc2.c: In function '__fixdfti':
/home/cygnus/dnovillo/gcc/src.x86-64/gcc/libgcc2.c:1267: error: 
unrecognizable insn:
(insn:HI 21 20 22 2 
/home/cygnus/dnovillo/gcc/src.x86-64/gcc/libgcc2.c:1265 (parallel [
            (set (reg:DF 63)
                (neg:DF (reg/v:DF 61 [ a ])))
            (use (const_int 0 [0x0]))
            (clobber (reg:CC 17 flags))
        ]) -1 (nil)
    (expr_list:REG_DEAD (reg/v:DF 61 [ a ])
        (expr_list:REG_UNUSED (reg:CC 17 flags)
            (nil))))
/home/cygnus/dnovillo/gcc/src.x86-64/gcc/libgcc2.c:1267: internal 
compiler error: in extract_insn, at recog.c:2020
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [libgcc/./_fixdfdi.o] Error 1