* haifa-sched.c (sched_emit_insn): New.
        (schedule_block): Use last_scheduled_insn to track last insn.
        * sched-int.h (sched_emit_insn): Prototype.
        * config/ia64/ia64.c (last_issued): Remove.
        (ia64_variable_issue): Don't set it.
        (nop_cycles_until): Use sched_emit_insn.

From-SVN: r50153