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Re: Add machine_dependent_reorg2
- From: Richard Henderson <rth at redhat dot com>
- To: Richard Sandiford <rsandifo at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 24 Jun 2003 15:52:04 -0700
- Subject: Re: Add machine_dependent_reorg2
- References: <wvn1xxm9n5n.fsf@talisman.cambridge.redhat.com>
On Sun, Jun 22, 2003 at 03:56:04PM +0100, Richard Sandiford wrote:
> This patch adds a version of machine_dependent_reorg that runs after
> delayed-branch scheduling. It's used by a patch I'm about to post.
I'm not sure what I think about this. I've had other occasion
to want a md-reorg pass that runs before sched2. And three such
passes seems excessive, and a clear sign of mis-design.
The alternative is to hijack dbr, much like ia64 hijacks sched2.
r~