(fake_f_rep): Clear all of u, initially.

(fake_f_rep): Clear all of u, initially.
Make the ints in u unsigned.
(f_define): Use ordinary constants for long double
if it's same width as double.
Make __convert_long_double_i unsigned.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@3589 138bc75d-0d04-0410-961f-82ee72b054a4