* config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.c (call_multiple_values_operation): Remove.
        (ia64_expand_call): New.
        (ia64_expand_prologue): Emit an alloc if we need extra input
        registers.
        (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
        instruction if true.
        (struct reg_flags): Add is_sibcall.
        (rtx_needs_barrier): A sibcall does not use CFM et al.  Ignore USEs.
        (emit_insn_group_barriers): Set flags.is_sibcall.  Remove hacks
        for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
        * config/ia64/ia64.h (PREDICATE_CODES): Update.
        * config/ia64/ia64.md (call): Use ia64_expand_call.
        (call_value): Likewise.
        (sibcall, sibcall_value): New.
        (call patterns): Remove extra expanders; tidy.
        (sibcall_epilogue): New.
        (set_bsp): Remove the extra USE.  Put the operand inside the UNSPEC.

From-SVN: r36597