fde-glibc.c (find_fde_for_dso): Do a binary search on the unwind region section.

        * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
        search on the unwind region section.

        * config/ia64/ia64.md (movbi): Add r/r alternative.
        (cmovdi_internal_astep): Describe all combinations of register
        classes for sources & destinations; remove matching constraints.
        (cmovdi_internal): Likewise.

From-SVN: r37309