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[Bug tree-optimization/32377] can't determine dependence (source/destination overlap without more than size)
- From: "sebpop at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Jul 2007 14:19:29 -0000
- Subject: [Bug tree-optimization/32377] can't determine dependence (source/destination overlap without more than size)
- References: <bug-32377-33@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #15 from sebpop at gmail dot com 2007-07-09 14:19 -------
Subject: Re: can't determine dependence (source/destination overlap without
more than size)
> I was going to submit the attached patch, but now the analysis fails with
> "affine-affine test failed: missing iteration counts" and distance vector is
> not built (so the loop in this PR cannot be vectorized even with the addition
> of DDR_REVERSED_P). This was caused by your patch to PR 32457
> http://gcc.gnu.org/viewcvs?view=rev&revision=126305. Is there any way to
> restore the previous behaviour for this case?
>
I'll try to fix this.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32377