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Re: [patch] Predictive commoning, updated


I just realized that I forgot to send my reply to the mailing list,
so here it is again.  Sorry ;-)

Wow!  This is an impressive cleanup.  Thanks a lot for the patch.
Just a quick remark before I'm going into more details on the patch.

On 5/9/07, Zdenek Dvorak <> wrote:
I have bootstrapped & regtested the patch on i686, x86_64, ia64 and
ppc-linux, but the test coverage of data dependence analysis is fairly
low; I will definitely also run it through a bootstrap and cpu2000 build with
-ftree-vectorize and -ftree-loop-linear.

You can also use the omega test: -fcheck-data-deps that should compute the distance vectors using two methods, but that will stress only a part of the data dependence analysis, i.e. not the extraction of the dependence test, but only its resolution. Last time I checked, it bootstrapped gcc, but I haven't tried it yet on the cpu2000.

On 5/9/07, Richard Guenther <> wrote:

Wow, I'm impressed! Thanks for this cleanup and the extensive documentation! I hope Danny or Seb will have time to look over the patch!

I'm looking at the patch.


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