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Re: PATCH to remove unnecessary NOTE_INSN_DELETED




  In message <Pine.LNX.4.10.9911041808370.6182-100000@biriani.cygnus.co.uk>you 
write:
  > Just FYI, I started to look into this.  I've hit one stumbling block so far
  > (expressions of the form uid_luid[REGNO_FIRST_UID (xxx)], but I guess that
  > can be worked around somehow.
Instead of recording the UID record the actual insn perhaps.

Or if we relax the "luids are for within a pass only" decree slightly we
could go ahead and record the first/last luid in regscan.


jeff


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