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Re: [autovect] Add -fcheck-data-deps

From: Sebastian Pop <sebastian dot pop at cri dot ensmp dot fr>
To: Daniel Berlin <dberlin at dberlin dot org>
Cc: gcc-patches at gcc dot gnu dot org
Date: Mon, 1 Aug 2005 20:21:48 +0200
Subject: Re: [autovect] Add -fcheck-data-deps
References: <20050801165007.GA28843@napoca.cri.ensmp.fr> <1122919216.7576.10.camel@dyn9002218241>

Daniel Berlin wrote:
> 
> ltrans-8 is a pointer dependence case.
> 
> We are currently getting it right on mainline, AFAIK :)
> 

Yup, I was playing with mainline this morning, and even had some
problems on making ltrans-8 work again with my patch, so I think it is
a good testcase ;-)

By the way, I have found the patch that introduced the recomputations:

[autovect] [patch] Identify unknown evolution and skip invariant phis
http://gcc.gnu.org/ml/gcc-patches/2005-07/msg00252.html

Sorry for not having reviewed it yet, I was on vacation then I got too
many things to do, and forgot about this patch.  I think that
recomputing all this stuff from scratch is not the last solution...
I'll put some more thought into this see if I can do better...

Sebastian

References:
- [autovect] Add -fcheck-data-deps
  - From: Sebastian Pop
- Re: [autovect] Add -fcheck-data-deps
  - From: Daniel Berlin

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