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[Bug tree-optimization/43529] G++ doesn't optimize away empty loop when index is a double
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Jun 2010 10:40:13 -0000
- Subject: [Bug tree-optimization/43529] G++ doesn't optimize away empty loop when index is a double
- References: <bug-43529-18958@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from rguenth at gcc dot gnu dot org 2010-06-05 10:40 -------
(In reply to comment #4)
> >Interesting! What's the difference between 17 and 18?
>
> Exact representation.
Complete unrolling.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43529