[PATCH][dbgcnt] New debug counter global_alloc_at_func, global_alloc_at_reg, and make sched_insn work

["Seongbae Park (박성배, 朴成培)" <seongbae dot park at gmail dot com>]

It has already bootstrapped on ia64.
I'm running the bootstrap & regtest on x86-64.
This is for debugging  and should not affect the code correctness
unless enabled.
Ok if all tests pass ?

2007-06-18  Seongbea Park  <seongbae.park@gmail.com>
           Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>

       * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
       New counters.
       * haifa-sched.c (queue_to_ready): Pick the next insn if
       dbgcnt(sched_insn) reaches the limit.
       (choose_ready): New parameter INSN_PTR and new return value.
       (schedule_block): Handle dbgcnt(sched_insn). Handle
       the new return value from choose_ready.
       * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
       (rest_of_handle_global_alloc): New global_alloc_at_func.


--
#pragma ident "Seongbae Park, compiler, http://seongbae.blogspot.com";

Attachment: dbgcnt-sched-insn-global-alloc.diff.txt
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