* elf64-ia64.c (ia64_howto_table): Add PCREL60B, PCREL21BI,

    * elf64-ia64.c (ia64_howto_table): Add PCREL60B, PCREL21BI,
        PCREL22, PCREL64I.  Zero size of special relocs.
        (elf64_ia64_reloc_type_lookup): Likewise.
        (USE_BRL, oor_brl, oor_ip): New.
        (elf64_ia64_relax_section): New.
        (elf64_ia64_check_relocs): Handle PCREL60B, PCREL22, PCREL64I.
        (elf64_ia64_install_value): Likewise, plus PCREL21BI.
        (elf64_ia64_relocate_section): Likewise.
        (bfd_elf64_bfd_relax_section): New.
        * reloc.c (BFD_RELOC_IA64_PCREL21BI): New.
        (BFD_RELOC_IA64_{PCREL22,PCREL60B,PCREL64I}): New.
        * bfd-in2.h, libbfd.h: Regenerate.