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Re: PATCH to remove unnecessary NOTE_INSN_DELETED
- To: Bernd Schmidt <bernds at cygnus dot co dot uk>
- Subject: Re: PATCH to remove unnecessary NOTE_INSN_DELETED
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Thu, 04 Nov 1999 11:21:27 -0700
- cc: Mark Mitchell <mark at codesourcery dot com>, kenner at vlsi1 dot ultra dot nyu dot edu, gcc-patches at gcc dot gnu dot org
- Reply-To: law at cygnus dot com
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