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[Bug tree-optimization/44183] Vectorizer may generate invalid memory access
- From: "mikpe at it dot uu dot se" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 20 May 2010 11:06:04 -0000
- Subject: [Bug tree-optimization/44183] Vectorizer may generate invalid memory access
- References: <bug-44183-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from mikpe at it dot uu dot se 2010-05-20 11:05 -------
It depends on the specific values of (a) array end alignment and (b) the number
of bytes read. As long as the array end + number of bytes read can cross a page
boundary, you're potentially causing SEGV or other errors.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44183