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Re: cache misses in gcc 3.3
- From: law at redhat dot com
- To: Andi Kleen <ak at muc dot de>
- Cc: Robert Dewar <dewar at gnat dot com>, gcc at gcc dot gnu dot org, mszick at goquest dot com
- Date: Mon, 10 Feb 2003 09:27:14 -0700
- Subject: Re: cache misses in gcc 3.3
- Reply-to: law at redhat dot com
In message <20030210161232.GA6500@averell>, Andi Kleen writes:
>As far as I can see Neil is doing a good thing by attacking the C parser.
>Hopefully CSE can be fixed too - I assume tree-ssa will do that eventually?
The plan is for tree-ssa (namely dominator based optimizations within tree
ssa) to largely replace the functionality of the existing cse implementation
(specifically all the path following which cse.c does so amazingly
inefficiently).
jeff