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[Bug tree-optimization/32375] not vectorized: can't determine dependence (array sections)
- From: "spop at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Oct 2007 17:36:56 -0000
- Subject: [Bug tree-optimization/32375] not vectorized: can't determine dependence (array sections)
- References: <bug-32375-33@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from spop at gcc dot gnu dot org 2007-10-30 17:36 -------
Subject: Re: not vectorized: can't determine dependence (array sections)
> The testcase gets vectorized even with the failed dependence test.
>
This is okay. The test for non-dependence is added to the run-time
condition with which we version the code. We call the function
vect_mark_for_runtime_alias_test instead of failing because of the
undetermined dependence test.
Sebastian
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32375