Merged with libbbid branch at revision 126349.

gcc/testsuite/ChangeLog

gcc/testsuite/gcc.dg/dfp/dfp-round.h

libgcc/ChangeLog

libgcc/Makefile.in

libgcc/config/libbid/ChangeLog

libgcc/config/libbid/_addsub_dd.c

libgcc/config/libbid/_addsub_sd.c

libgcc/config/libbid/_addsub_td.c

libgcc/config/libbid/_dd_to_df.c

libgcc/config/libbid/_dd_to_di.c

libgcc/config/libbid/_dd_to_sd.c

libgcc/config/libbid/_dd_to_sf.c

libgcc/config/libbid/_dd_to_si.c

libgcc/config/libbid/_dd_to_td.c

libgcc/config/libbid/_dd_to_tf.c

libgcc/config/libbid/_dd_to_udi.c

libgcc/config/libbid/_dd_to_usi.c

libgcc/config/libbid/_dd_to_xf.c

libgcc/config/libbid/_df_to_dd.c

libgcc/config/libbid/_df_to_sd.c