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Re: [tree-ssa] More CFG improvements [patch]
On Tue, 04 Feb 2003, Jeff Law wrote:
> Cool. Thanks. 20001226-1.c now compiles to completion with -O2 in just
> under 4 minutes (non-profiled) on my little 1Ghz machine:
>
You're using the wrong hardware. It takes 1:46 minutes on my P4 ;)
> I'm going to revisit the aliasing code and try my idea of reducing
> the iteration space by tracking loads and stores separately. In theory
> if it works we should get our may alias information in a few seconds
> (and it should help other code as well).
>
OK. I'll be doing a couple of tests with the alias sets idea.
If it works, I'll post a detailed summary.
> Once that's done I'll pop back to the dominance code and revisit
> get_dominated_by vs your sparse bitmap.
>
Sounds good.
Diego.