* reload.c (find_reloads): Mark new USE insns with QImode.

* reload.c (find_reloads): Mark new USE insns with QImode.
(find_reloads_toplev, find_reloads_address, subst_reg_equivs,
find_reloads_subreg_address): Likewise.
* regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
encountered.
* reload1.c (reload_combine_note_use): Likewise, inside USEs and
CLOBBERs.
(reload): Make sure there are no USEs with mode other than
VOIDmode.  At the end, remove those marked with QImode.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45889 138bc75d-0d04-0410-961f-82ee72b054a4