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Re: Fix rtl sharing in ifcvt try 2
- From: Richard Henderson <rth at redhat dot com>
- To: Jan Hubicka <jh at suse dot cz>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 1 Jul 2003 13:11:15 -0700
- Subject: Re: Fix rtl sharing in ifcvt try 2
- References: <20030627195134.GF1455@kam.mff.cuni.cz> <20030630170111.GB23670@redhat.com> <20030630170720.GC8100@kam.mff.cuni.cz> <20030630195051.GA23718@redhat.com> <20030701175521.GK10884@kam.mff.cuni.cz>
On Tue, Jul 01, 2003 at 07:55:21PM +0200, Jan Hubicka wrote:
> I also had to do checking not before reload, but before insn splitting
> as insn splitting introduces plenty of sharing.
That would be a bug.
> Should I care unsharing in try_split?
Possibly.
I'd also like to see this pass run before regrename_optimize,
where this sharing problem has also caused problems in the past.
The patch is ok.
r~