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Re: RFC: kill od flow_delete_insns
- To: Jan Hubicka <jh at suse dot cz>
- Subject: Re: RFC: kill od flow_delete_insns
- From: Richard Henderson <rth at redhat dot com>
- Date: Wed, 12 Sep 2001 12:59:39 -0700
- Cc: gcc-patches at gcc dot gnu dot org, patches at x86-64 dot org
- References: <20010912174118.Q19257@atrey.karlin.mff.cuni.cz>
On Wed, Sep 12, 2001 at 05:41:18PM +0200, Jan Hubicka wrote:
> I am attempting to amn flow_delete_insn and use delete_insn everywhere.
> To do it, I need to kill the aggresive code removal it have (and keep it
> for the cfg_cleanup, that IMO makes more sense too).
Why that way instead of removing delete_insn in preference to
flow_delete_insn?
> What I am affraid of is reorg pass and machine depdendent reorg. Will
> they stay happy with this change?
They can live with not deleting dependant expressions. What we
do have to be careful about is that we may have an invalid CFG
at this point.
r~