minor code-quality regression vs. 2.95

[Jeffrey A Law]

  In message < 20000413085015.A15135@cpopetz.com >you write:
  > Ok, I'll remove this from delete_computation:
  > 
  > #ifdef INSN_SCHEDULING
  >   /* ?!? The schedulers do not keep REG_DEAD notes accurate after
  >      reload has completed.  The schedulers need to be fixed.  Until
  >      they are, we must not rely on the death notes here.  */
  >   if (reload_completed && flag_schedule_insns_after_reload)
  >     {
  >       delete_insn (insn);
  >       return;
  >     }
  > #endif
  > 
  > 
  > and see if we fail regression anywhere.
I discussed this with Clint this morning, but wanted to get the
info straight for archival purposes.

the code needs to change since we now have accurate life info after
sched2, but cross jumping, reg-stack & reorg can confuse things.

jeff