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Re: fix scheduling compile time regression
- From: law at redhat dot com
- To: Richard Henderson <rth at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 29 Jan 2002 15:27:51 -0700
- Subject: Re: fix scheduling compile time regression
- Reply-to: law at redhat dot com
In message <20020129141953.A8147@redhat.com>, Richard Henderson writes:
> Irritatingly, my test case isn't particularly generic. The badness
> happens because of a curiousity in the way alpha function calls are
> built. I'm certain that the problem could arise on other targets,
> but I'd have to work harder to make it happen.
What's the underlying issue?
PA64 certainly has had some problems with sched2 taking far too long.
WHen I last looked at it, I speculated that the problem was related
to dependencies at call sites during sched2.
jeff